padding-line-between-statements.test.ts

/* eslint-disable eslint-comments/no-use */
// this rule tests new lines which prettier tries to fix, breaking the tests
/* eslint "@typescript-eslint/internal/plugin-test-formatting": ["error", { formatWithPrettier: false }] */
/* eslint-enable eslint-comments/no-use */

import rule from '../../src/rules/padding-line-between-statements';
import { RuleTester } from '../RuleTester';

//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------

const ruleTester = new RuleTester({
  parser: '@typescript-eslint/parser',
});

ruleTester.run('padding-line-between-statements', rule, {
  valid: [
    // do nothing if no options.
    "'use strict'; foo(); if (a) { bar(); }",

    // do nothing for single statement.
    {
      code: 'foo()',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
    },
    {
      code: 'foo()',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
    },

    //----------------------------------------------------------------------
    // wildcard
    //----------------------------------------------------------------------

    {
      code: 'foo();bar();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\nbar();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\n//comment\nbar();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\n/*comment*/\nbar();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\n\nbar();',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\n\n//comment\nbar();',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\n//comment\n\nbar();',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
    },
    {
      code: 'foo();\n//comment\n\n//comment\nbar();',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
    },
    {
      code: 'if(a){}\n\n;[].map(b)',
      options: [
        { blankLine: 'always', prev: 'if', next: '*' },
        { blankLine: 'never', prev: 'empty', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // block-like
    //----------------------------------------------------------------------

    {
      code: 'foo();\n\n{ foo() }\n\nfoo();',
      options: [
        { blankLine: 'always', prev: '*', next: '*' },
        { blankLine: 'never', prev: 'block-like', next: 'block-like' },
      ],
    },
    {
      code: '{ foo() } { foo() }',
      options: [
        { blankLine: 'always', prev: '*', next: '*' },
        { blankLine: 'never', prev: 'block-like', next: 'block-like' },
      ],
    },
    {
      code: '{ foo() }\n{ foo() }',
      options: [
        { blankLine: 'always', prev: '*', next: '*' },
        { blankLine: 'never', prev: 'block-like', next: 'block-like' },
      ],
    },
    {
      code: '{ foo() }\n\n{ foo() }',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: 'block-like' },
      ],
    },
    {
      code: '{ foo() }\n\n//comment\n{ foo() }',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: 'block-like' },
      ],
    },
    {
      code: 'if(a);\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: 'do;while(a);\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: 'do{}while(a);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: 'a={}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: 'let a={}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: 'foo(function(){})\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: '(function(){})()\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },
    {
      code: '!function(){}()\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block-like', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // exports
    //----------------------------------------------------------------------

    {
      code: 'module.exports=1',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'exports', next: '*' },
      ],
    },
    {
      code: 'module.exports=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'exports', next: '*' },
      ],
    },
    {
      code: 'module.exports.foo=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'exports', next: '*' },
      ],
    },
    {
      code: 'exports.foo=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'exports', next: '*' },
      ],
    },
    {
      code: 'm.exports=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'exports', next: '*' },
      ],
    },
    {
      code: 'module.foo=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'exports', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // require
    //----------------------------------------------------------------------

    {
      code: 'foo=require("foo")\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'require', next: '*' },
      ],
    },
    {
      code: 'const foo=a.require("foo")\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'require', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // directive
    //----------------------------------------------------------------------

    {
      code: '"use strict"\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: 'function foo(){"use strict"\n\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: '(function foo(){"use strict"\n\nfoo()})',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: '(()=>{"use strict"\n\nfoo()})',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: "'use strict'\n\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: 'foo("use strict")\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: '`use strict`\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: '("use strict")\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: "'use '+'strict'\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: 'foo()\n"use strict"\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },
    {
      code: '{"use strict"\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'directive', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // multiline-block-like
    //----------------------------------------------------------------------

    {
      code: '{}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'if(a){}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'while(a){}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: '{\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'if(a){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'while(a){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'do{\n}while(a)\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'for(;;){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'for(a in b){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'for(a of b){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'switch(a){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'function foo(a){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'var a=function foo(a){\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // block
    //----------------------------------------------------------------------

    {
      code: '{}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block', next: '*' },
      ],
    },
    {
      code: '{\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block', next: '*' },
      ],
    },
    {
      code: '{\nfoo()\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block', next: '*' },
      ],
    },
    {
      code: 'if(a){}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block', next: '*' },
      ],
    },
    {
      code: 'a={}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'block', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // empty
    //----------------------------------------------------------------------

    {
      code: ';\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'empty', next: '*' },
      ],
    },
    {
      code: '1;\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'empty', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // expression
    //----------------------------------------------------------------------

    {
      code: 'foo()\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'expression', next: '*' },
      ],
    },
    {
      code: 'a=b+c\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'expression', next: '*' },
      ],
    },
    {
      code: 'var a=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'expression', next: '*' },
      ],
    },
    {
      code: "'use strict'\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'expression', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // multiline-expression
    //----------------------------------------------------------------------

    {
      code: 'foo()\n\nfoo(\n\tx,\n\ty\n)',
      options: [
        { blankLine: 'always', prev: '*', next: 'multiline-expression' },
      ],
    },
    {
      code: 'foo()\nfoo()',
      options: [
        { blankLine: 'always', prev: '*', next: 'multiline-expression' },
      ],
    },
    {
      code: '() => {\n\tsomeArray.forEach(x => doSomething(x));\n\treturn theThing;\n}',
      options: [
        { blankLine: 'always', prev: 'multiline-expression', next: 'return' },
      ],
    },
    {
      code: '() => {\n\tsomeArray.forEach(\n\t\tx => doSomething(x)\n\t);\n\n\treturn theThing;\n}',
      options: [
        { blankLine: 'always', prev: 'multiline-expression', next: 'return' },
      ],
    },

    //----------------------------------------------------------------------
    // break
    //----------------------------------------------------------------------

    {
      code: 'A:{break A\n\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'break', next: '*' },
      ],
    },
    {
      code: 'while(a){break\n\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'break', next: '*' },
      ],
    },
    {
      code: 'switch(a){case 0:break\n\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'break', next: '*' },
      ],
    },
    {
      code: 'switch(a){case 0:break\ncase 1:break}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'break', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // case
    //----------------------------------------------------------------------

    {
      code: 'switch(a){case 0:\nfoo()\n\ncase 1:\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'case', next: '*' },
      ],
    },
    {
      code: 'switch(a){case 0:\nfoo()\n\ndefault:\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'case', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // class
    //----------------------------------------------------------------------

    {
      code: 'class A{}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'class', next: '*' },
      ],
    },
    {
      code: 'var A = class{}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'class', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // const
    //----------------------------------------------------------------------

    {
      code: 'const a=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'const', next: '*' },
      ],
    },
    {
      code: 'let a=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'const', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // type
    //----------------------------------------------------------------------

    {
      code: 'type a=number\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'type', next: '*' },
      ],
    },
    {
      code: 'let a=number\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'type', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // interface
    //----------------------------------------------------------------------

    {
      code: 'interface Test{\na:number;\n}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'interface', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // continue
    //----------------------------------------------------------------------

    {
      code: 'while(a){continue\n\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'continue', next: '*' },
      ],
    },
    {
      code: 'while(a){break\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'continue', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // debugger
    //----------------------------------------------------------------------

    {
      code: 'debugger\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'debugger', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // default
    //----------------------------------------------------------------------

    {
      code: 'switch(a){default:\nfoo()\n\ncase 0:\nfoo()\ncase 1:}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'default', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // do
    //----------------------------------------------------------------------

    {
      code: 'do;while(a)\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'do', next: '*' },
      ],
    },
    {
      code: 'while(a);\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'do', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // export
    //----------------------------------------------------------------------

    {
      code: 'export default 1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'export', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export let a=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'export', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'var a = 0; export {a}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'export', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'exports.foo=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'export', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'module.exports={}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'export', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },

    //----------------------------------------------------------------------
    // for
    //----------------------------------------------------------------------

    {
      code: 'for(;;);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'for', next: '*' },
      ],
    },
    {
      code: 'for(a in b);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'for', next: '*' },
      ],
    },
    {
      code: 'for(a of b);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'for', next: '*' },
      ],
    },
    {
      code: 'while(a);\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'for', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // function
    //----------------------------------------------------------------------

    {
      code: 'function foo(){}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'function', next: '*' },
      ],
    },
    {
      code: 'var foo=function(){}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'function', next: '*' },
      ],
    },
    {
      code: 'async function foo(){}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'function', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // if
    //----------------------------------------------------------------------

    {
      code: 'if(a);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'if', next: '*' },
      ],
    },
    {
      code: 'if(a);else;\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'if', next: '*' },
      ],
    },
    {
      code: 'if(a);else if(b);else;\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'if', next: '*' },
      ],
    },
    {
      code: 'for(;;);\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'if', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // iife
    //----------------------------------------------------------------------

    {
      code: '(function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
    },
    {
      code: '+(function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
    },
    {
      code: '(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'iife', next: '*' }],
    },
    {
      code: '+(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'iife', next: '*' }],
    },
    {
      code: '(1, 2, 3, function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
    },

    //----------------------------------------------------------------------
    // import
    //----------------------------------------------------------------------

    {
      code: "import 'a'\n\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'import', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: "import a from 'a'\n\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'import', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: "import * as a from 'a'\n\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'import', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: "import {a} from 'a'\n\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'import', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: "const a=require('a')\nfoo()",
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'import', next: '*' },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },

    //----------------------------------------------------------------------
    // let
    //----------------------------------------------------------------------

    {
      code: 'let a=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'let', next: '*' },
      ],
    },
    {
      code: 'var a=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'let', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // return
    //----------------------------------------------------------------------

    {
      code: 'function foo(){return\n\nfoo()}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'return', next: '*' },
      ],
    },
    {
      code: 'throw a\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'return', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // switch
    //----------------------------------------------------------------------

    {
      code: 'switch(a){}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'switch', next: '*' },
      ],
    },
    {
      code: 'if(a){}\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'switch', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // throw
    //----------------------------------------------------------------------

    {
      code: 'throw a\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'throw', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // try
    //----------------------------------------------------------------------

    {
      code: 'try{}catch(e){}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'try', next: '*' },
      ],
    },
    {
      code: 'try{}finally{}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'try', next: '*' },
      ],
    },
    {
      code: 'try{}catch(e){}finally{}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'try', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // var
    //----------------------------------------------------------------------

    {
      code: 'var a=1\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'var', next: '*' },
      ],
    },
    {
      code: 'const a=1\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'var', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // while
    //----------------------------------------------------------------------

    {
      code: 'while(a);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'while', next: '*' },
      ],
    },
    {
      code: 'do;while(a)\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'while', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // with
    //----------------------------------------------------------------------

    {
      code: 'with(a);\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'with', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // multiline-const
    //----------------------------------------------------------------------

    {
      code: 'const a={\nb:1,\nc:2\n}\n\nconst d=3',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-const', next: '*' },
      ],
    },
    {
      code: 'const a=1\n\nconst b={\nc:2,\nd:3\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'multiline-const' },
      ],
    },
    {
      code: 'const a=1\nconst b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-const', next: '*' },
      ],
    },
    {
      code: 'const a=1\nconst b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'multiline-const' },
      ],
    },

    //----------------------------------------------------------------------
    // multiline-let
    //----------------------------------------------------------------------

    {
      code: 'let a={\nb:1,\nc:2\n}\n\nlet d=3',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-let', next: '*' },
      ],
    },
    {
      code: 'let a=1\n\nlet b={\nc:2,\nd:3\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'multiline-let' },
      ],
    },
    {
      code: 'let a=1\nlet b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-let', next: '*' },
      ],
    },
    {
      code: 'let a=1\nlet b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'multiline-let' },
      ],
    },

    //----------------------------------------------------------------------
    // multiline-var
    //----------------------------------------------------------------------

    {
      code: 'var a={\nb:1,\nc:2\n}\n\nvar d=3',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-var', next: '*' },
      ],
    },
    {
      code: 'var a=1\n\nvar b={\nc:2,\nd:3\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'multiline-var' },
      ],
    },
    {
      code: 'var a=1\nvar b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'multiline-var', next: '*' },
      ],
    },
    {
      code: 'var a=1\nvar b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'multiline-var' },
      ],
    },

    //----------------------------------------------------------------------
    // single line const
    //----------------------------------------------------------------------

    {
      code: 'const a=1\n\nconst b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'singleline-const', next: '*' },
      ],
    },
    {
      code: 'const a=1\n\nconst b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'singleline-const' },
      ],
    },
    {
      code: 'const a={\nb:1,\nc:2\n}\nconst d={\ne:3,\nf:4\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'singleline-const', next: '*' },
      ],
    },
    {
      code: 'const a={\nb:1,\nc:2\n}\nconst d={\ne:3,\nf:4\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'singleline-const' },
      ],
    },

    //----------------------------------------------------------------------
    // single line let
    //----------------------------------------------------------------------

    {
      code: 'let a=1\n\nlet b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'singleline-let', next: '*' },
      ],
    },
    {
      code: 'let a=1\n\nlet b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'singleline-let' },
      ],
    },
    {
      code: 'let a={\nb:1,\nc:2\n}\nlet d={\ne:3,\nf:4\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'singleline-let', next: '*' },
      ],
    },
    {
      code: 'let a={\nb:1,\nc:2\n}\nlet d={\ne:3,\nf:4\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'singleline-let' },
      ],
    },

    //----------------------------------------------------------------------
    // single line var
    //----------------------------------------------------------------------

    {
      code: 'var a=1\n\nvar b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'singleline-var', next: '*' },
      ],
    },
    {
      code: 'var a=1\n\nvar b=2',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'singleline-var' },
      ],
    },
    {
      code: 'var a={\nb:1,\nc:2\n}\nvar d={\ne:3,\nf:4\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'singleline-var', next: '*' },
      ],
    },
    {
      code: 'var a={\nb:1,\nc:2\n}\nvar d={\ne:3,\nf:4\n}',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: '*', next: 'singleline-var' },
      ],
    },

    //----------------------------------------------------------------------
    // Tests from newline-after-var
    //----------------------------------------------------------------------

    // should skip rule entirely
    {
      code: 'console.log(greet);',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'console.log(greet);',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should ignore a `var` with no following token
    {
      code: "var greet = 'hello';",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow no line break in "never" mode
    {
      code: "var greet = 'hello';console.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow no blank line in "never" mode
    {
      code: "var greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow one blank line in "always" mode
    {
      code: "var greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow two or more blank lines in "always" mode
    {
      code: "var greet = 'hello';\n\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n\n\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow trailing whitespace after the `var`
    {
      code: "var greet = 'hello';    \n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';    \nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow inline comments after the `var`
    {
      code: "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello'; // inline comment\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow a comment on the next line in "never" mode
    {
      code: "var greet = 'hello';\n// next-line comment\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n/* block comment\nblock comment */\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow comments on the next line followed by a blank in "always" mode
    {
      code: "var greet = 'hello';\n// next-line comment\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n/* block comment\nblock comment */\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n// next-line comment\n// second-line comment\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow comments on the next line followed by no blank in "never" mode
    {
      code: "var greet = 'hello';\n// next-line comment\n// second-line comment\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow another `var` statement to follow without blank line
    {
      code: "var greet = 'hello';var name = 'world';console.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should allow a comment directly between `var` statements
    {
      code: "var greet = 'hello';\n// inline comment\nvar name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n/* block comment\nblock comment */\nvar name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n// inline comment\nvar name = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello';\n/* block comment\nblock comment */\nvar name = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle single `var` statement with multiple declarations
    {
      code: "var greet = 'hello', name = 'world';console.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle single `var` statement with multi-line declaration
    {
      code: "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\n// next-line comment\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\n/* block comment\nblock comment */\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle ES6 `let` block binding
    {
      code: "let greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "let greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle ES6 `const` block binding
    {
      code: "const greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "const greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle a mix of `var`, `let`, or `const`
    {
      code: "let greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "const greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "let greet = 'hello';\nconst name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle a mix of `var` or `let` inside for variations
    {
      code: 'for(let a = 1; a < 1; a++){\n break;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(var a = 1; a < 1; a++){\n break;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(let a = 1; a < 1; a++){\n break;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(var a = 1; a < 1; a++){\n break;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(let a in obj){\n break;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(var a in obj){\n break;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(let a in obj){\n break;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'for(var a in obj){\n break;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle export specifiers
    {
      code: 'export let a = 1;\nexport let b = 2;',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export let a = 1;\nexport let b = 2;',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export var a = 1;\nexport var b = 2;',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export var a = 1;\nexport var b = 2;',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export const a = 1;\nexport const b = 2;',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export const a = 1;\nexport const b = 2;',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },

    // should allow no blank line at end of block
    {
      code: "function example() {\nvar greet = 'hello'\n}",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "function example() {\nvar greet = 'hello'\n}",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "function example() {\nvar greet = 'hello';\nconsole.log(greet);\n}",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var f = function() {\nvar greet = 'hello'\n};",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var f = function() {\nvar greet = 'hello'\n};",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "var f = function() {\nvar greet = 'hello';\nconsole.log(greet);\n};",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "() => {\nvar greet = 'hello';\n}",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "() => {\nvar greet = 'hello';\n}",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: "() => {\nvar greet = 'hello';\nconsole.log(greet);\n}",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: '{\nvar foo;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: '{\nvar foo;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'if(true) {\nvar foo;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'if(true) {\nvar foo;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'switch(a) {\ncase 0:\nvar foo;\n}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'switch(a) {\ncase 0:\nvar foo;\n}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // should handle one/no blank before case.
    {
      code: 'switch(a) {\ncase 0:\nvar foo;\n\ncase 1:}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'switch(a) {\ncase 0:\nvar foo;\ncase 1:}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    // https://github.com/eslint/eslint/issues/6834
    {
      code: `
var a = 1

;(b || c).doSomething()
      `,
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: `
var a = 1
;(b || c).doSomething()
      `,
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: `
var a = 1
;
(b || c).doSomething();
      `,
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    {
      code: 'switch(a) {\ncase 0:\nvar foo;\n\ncase 1:}',
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: 'switch(a) {\ncase 0:\nvar foo;\ncase 1:}',
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },
    {
      code: `
var a = 1

;
(b || c).doSomething();
      `,
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
    },

    //----------------------------------------------------------------------
    // Tests from newline-before-return
    //----------------------------------------------------------------------

    {
      code: 'function a() {\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nvar b;\n\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) { return; }\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\nreturn;\n}\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\n\nreturn;\n}\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (!b) {\nreturn;\n} else {\nreturn b;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (!b) {\nreturn;\n} else {\n\nreturn b;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n} else {\nreturn d;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) {\nreturn b;\n} else if (c) {\nreturn c;\n} else {\nreturn d;\n}\n\nreturn a;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) return b;\nelse if (c) return c;\nelse return d;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\nreturn d;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\nreturn d;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nwhile (b) return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n while (b) \nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n while (b) { return; }\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n while (b) {\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n while (b) {\nc();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\ndo return;\nwhile (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\ndo \nreturn;\nwhile (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\ndo { return; } while (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\ndo { return; }\nwhile (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\ndo {\nreturn;\n} while (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\ndo {\nc();\n\nreturn;\n} while (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++) return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++)\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++) {\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++) {\nc();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b in c)\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b in c) { return; }\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b in c) {\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b in c) {\nd();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b of c) return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b of c)\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b of c) {\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nfor (b of c) {\nd();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: "function a() {\nswitch (b) {\ncase 'b': return;\n}\n}",
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: "function a() {\nswitch (b) {\ncase 'b':\nreturn;\n}\n}",
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: "function a() {\nswitch (b) {\ncase 'b': {\nreturn;\n}\n}\n}",
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n//comment\nreturn b;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n{\n//comment\n}\n\nreturn\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nvar b = {\n//comment\n};\n\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {/*multi-line\ncomment*/return b;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n/*comment\ncomment*/\n//comment\nreturn b;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n/*comment\ncomment*/\n//comment\nif (b) return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\n/*comment\ncomment*/\n//comment\nif (b) {\nc();\n\nreturn b;\n} else {\n//comment\nreturn d;\n}\n\n/*multi-line\ncomment*/\nreturn e;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) { //comment\nreturn;\n}\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) { return; } //comment\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'function a() {\nif (b) { return; }\n\n/*multi-line\ncomment*/ return c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
    },
    {
      code: 'return;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
    },
    {
      code: 'var a;\n\nreturn;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
    },
    {
      code: '// comment\nreturn;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
    },
    {
      code: '/* comment */\nreturn;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
    },
    {
      code: '/* multi-line\ncomment */\nreturn;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
    },

    //----------------------------------------------------------------------
    // From JSCS disallowPaddingNewLinesAfterBlocks
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-after-blocks.js
    //----------------------------------------------------------------------

    {
      code: 'if(true){}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){}\n',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){}\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){\nif(true) {}\n}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'var a = {\nfoo: function() {\n},\nbar: function() {\n}}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: '(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true) {\n}\nelse\n{\n}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true) {\n} else {\n var a = 2; }',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true) {\n}\nelse if(true)\n{\n}\nelse {\n}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'do{\n}\nwhile(true)',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'try{\n}\ncatch(e) {}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'try{\n}\nfinally {}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: 'try{\n}\ncatch(e) {\n}\nfinally {\n}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },
    {
      code: '[].map(function() {})\n.filter(function(){})',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
    },

    //----------------------------------------------------------------------
    // From JSCS disallowPaddingNewLinesBeforeExport
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-before-export.js
    //----------------------------------------------------------------------

    {
      code: 'var a = 2;\nmodule.exports = a;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
    },
    {
      code: 'module.exports = 2;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
    },
    {
      code: 'var a = 2;\n// foo\nmodule.exports = a;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
    },

    /*
     * TODO: May it need an option to ignore blank lines followed by comments?
     * {
     *     code: "var a = 2;\n\n// foo\nmodule.exports = a;",
     *     options: [
     *         { blankLine: "never", prev: "*", next: "exports" }
     *     ]
     * },
     */
    {
      code: 'var a = 2;\n\nfoo.exports = a;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
    },
    {
      code: 'var a = 2;\n\nmodule.foo = a;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
    },
    {
      code: 'var a = 2;\n\nfoo = a;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
    },

    //----------------------------------------------------------------------
    // From JSCS requirePaddingNewLinesAfterBlocks
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-after-blocks.js
    //----------------------------------------------------------------------

    {
      code: '{}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){}\n',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){}\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){}\n\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true){\nif(true) {}\n}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'var a = {\nfoo: function() {\n},\n\nbar: function() {\n}}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: '(function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true) {\n}\nelse\n{\n}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true) {\n} else {\n var a = 2; }',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'if(true) {\n}\nelse if(true)\n{\n}\nelse {\n}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'do{\n}\nwhile(true)',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'try{\n}\ncatch(e) {}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'try{\n}\nfinally {}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'try{\n}\ncatch(e) {\n}\nfinally {\n}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: '[].map(function() {})\n.filter(function(){})',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'func(\n2,\n3,\nfunction() {\n}\n)',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: '[\n2,\n3,\nfunction() {\n}\n]',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'a(res => {\n})\n.b();',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
    },
    {
      code: 'var foo = (\n<div\nref={function() {\n}}\n>\nfoo\n</div>\n);',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      parserOptions: { ecmaFeatures: { jsx: true } },
    },
    {
      code: 'var i = 0;\nwhile (i < 100) {\nif(i % 2 === 0) {continue;}\n++i;\n}',
      options: [
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },
    {
      code: 'var i = 0;\nwhile (i < 100) {\nif(i % 2 === 0) {if(i === 4) {continue;}}\n++i;\n}',
      options: [
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
    },

    //----------------------------------------------------------------------
    // From JSCS requirePaddingNewLinesBeforeExport
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-export.js
    //----------------------------------------------------------------------

    {
      code: 'module.exports = 2;',
      options: [{ blankLine: 'always', prev: '*', next: 'exports' }],
    },
    {
      code: 'var a = 2;\n\nmodule.exports = a;',
      options: [{ blankLine: 'always', prev: '*', next: 'exports' }],
    },
    {
      code: 'var a = 2;\nfoo.exports = a;',
      options: [{ blankLine: 'always', prev: '*', next: 'exports' }],
    },
    {
      code: 'var a = 2;\nmodule.foo = a;',
      options: [{ blankLine: 'always', prev: '*', next: 'exports' }],
    },
    {
      code: 'if (true) {\nmodule.exports = a;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'exports' }],
    },

    //----------------------------------------------------------------------
    // From JSCS requirePaddingNewlinesBeforeKeywords
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-keywords.js
    //----------------------------------------------------------------------

    {
      code: 'function x() { return; }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
    },
    {
      code: 'if (true) {} else if (false) {}',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
    },
    {
      code: 'function x() { var a = true; do { a = !a; } while (a); }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
    },
    {
      code: 'function x() { if (true) return; }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
    },
    {
      code: 'function test() {};',
      options: [
        { blankLine: 'always', prev: 'block-like', next: 'block-like' },
      ],
    },
  ],
  invalid: [
    //----------------------------------------------------------------------
    // wildcard
    //----------------------------------------------------------------------

    {
      code: 'foo();\n\nfoo();',
      output: 'foo();\nfoo();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'foo();\n\n//comment\nfoo();',
      output: 'foo();\n//comment\nfoo();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '    foo();\n    \n    //comment\n    foo();',
      output: '    foo();\n    //comment\n    foo();',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'if (a) {}\n\nfor (;;) {}',
      output: 'if (a) {}\nfor (;;) {}',
      options: [{ blankLine: 'never', prev: '*', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'foo();\nfoo();',
      output: 'foo();\n\nfoo();',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: '    function a() {}\n    do {} while (a)',
      output: '    function a() {}\n\n    do {} while (a)',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'foo();//trailing-comment\n//comment\n//comment\nfoo();',
      output: 'foo();//trailing-comment\n\n//comment\n//comment\nfoo();',
      options: [{ blankLine: 'always', prev: '*', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // block-like
    //----------------------------------------------------------------------

    {
      code: '{}\n\nfoo()',
      output: '{}\nfoo()',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '{}\nfoo()',
      output: '{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){}\nfoo()',
      output: 'if(a){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){}else{}\nfoo()',
      output: 'if(a){}else{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){}else if(b){}\nfoo()',
      output: 'if(a){}else if(b){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){}else if(b){}else{}\nfoo()',
      output: 'if(a){}else if(b){}else{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'switch(a){}\nfoo()',
      output: 'switch(a){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'switch(a){case 0:}\nfoo()',
      output: 'switch(a){case 0:}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{}catch(e){}\nfoo()',
      output: 'try{}catch(e){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{}finally{}\nfoo()',
      output: 'try{}finally{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{}catch(e){}finally{}\nfoo()',
      output: 'try{}catch(e){}finally{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'while(a){}\nfoo()',
      output: 'while(a){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'do{}while(a)\nfoo()',
      output: 'do{}while(a)\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(;;){}\nfoo()',
      output: 'for(;;){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(a in b){}\nfoo()',
      output: 'for(a in b){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(a of b){}\nfoo()',
      output: 'for(a of b){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'a=function(){}\nfoo()',
      output: 'a=function(){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'a=()=>{}\nfoo()',
      output: 'a=()=>{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a(){}\nfoo()',
      output: 'function a(){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'let a=function(){}\nfoo()',
      output: 'let a=function(){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // exports
    //----------------------------------------------------------------------

    {
      code: 'module.exports=1\n\nfoo()',
      output: 'module.exports=1\nfoo()',
      options: [{ blankLine: 'never', prev: 'exports', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'module.exports=1\nfoo()',
      output: 'module.exports=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'exports', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'module.exports.foo=1\nfoo()',
      output: 'module.exports.foo=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'exports', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'module.exports[foo]=1\nfoo()',
      output: 'module.exports[foo]=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'exports', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'exports.foo=1\nfoo()',
      output: 'exports.foo=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'exports', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'exports[foo]=1\nfoo()',
      output: 'exports[foo]=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'exports', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // require
    //----------------------------------------------------------------------

    {
      code: 'const foo=require("foo")\n\nfoo()',
      output: 'const foo=require("foo")\nfoo()',
      options: [{ blankLine: 'never', prev: 'require', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'const foo=require("foo")\nfoo()',
      output: 'const foo=require("foo")\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'require', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'const foo=require("foo").Foo\nfoo()',
      output: 'const foo=require("foo").Foo\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'require', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'const foo=require("foo")[a]\nfoo()',
      output: 'const foo=require("foo")[a]\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'require', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // directive
    //----------------------------------------------------------------------

    {
      code: '"use strict"\n\nfoo()',
      output: '"use strict"\nfoo()',
      options: [{ blankLine: 'never', prev: 'directive', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '"use strict"\nfoo()',
      output: '"use strict"\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'directive', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "'use strict'\nfoo()",
      output: "'use strict'\n\nfoo()",
      options: [{ blankLine: 'always', prev: 'directive', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "'use asm'\nfoo()",
      output: "'use asm'\n\nfoo()",
      options: [{ blankLine: 'always', prev: 'directive', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // multiline-block-like
    //----------------------------------------------------------------------

    {
      code: '{\n}\n\nfoo()',
      output: '{\n}\nfoo()',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '{\n}\nfoo()',
      output: '{\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){\n}\nfoo()',
      output: 'if(a){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){\n}else{\n}\nfoo()',
      output: 'if(a){\n}else{\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){\n}else if(b){\n}\nfoo()',
      output: 'if(a){\n}else if(b){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a){\n}else if(b){\n}else{\n}\nfoo()',
      output: 'if(a){\n}else if(b){\n}else{\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'switch(a){\n}\nfoo()',
      output: 'switch(a){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{\n}catch(e){\n}\nfoo()',
      output: 'try{\n}catch(e){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{\n}finally{\n}\nfoo()',
      output: 'try{\n}finally{\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{\n}catch(e){\n}finally{\n}\nfoo()',
      output: 'try{\n}catch(e){\n}finally{\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'while(a){\n}\nfoo()',
      output: 'while(a){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'do{\n}while(a)\nfoo()',
      output: 'do{\n}while(a)\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(;;){\n}\nfoo()',
      output: 'for(;;){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(a in b){\n}\nfoo()',
      output: 'for(a in b){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(a of b){\n}\nfoo()',
      output: 'for(a of b){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'a=function(){\n}\nfoo()',
      output: 'a=function(){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'a=()=>{\n}\nfoo()',
      output: 'a=()=>{\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a(){\n}\nfoo()',
      output: 'function a(){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'let a=function(){\n}\nfoo()',
      output: 'let a=function(){\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // block
    //----------------------------------------------------------------------

    {
      code: '{}\n\nfoo()',
      output: '{}\nfoo()',
      options: [{ blankLine: 'never', prev: 'block', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '{}\nfoo()',
      output: '{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'block', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // empty
    //----------------------------------------------------------------------

    {
      code: ';\n\nfoo()',
      output: ';\nfoo()',
      options: [{ blankLine: 'never', prev: 'empty', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: ';\nfoo()',
      output: ';\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'empty', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // expression
    //----------------------------------------------------------------------

    {
      code: 'foo()\n\nfoo()',
      output: 'foo()\nfoo()',
      options: [{ blankLine: 'never', prev: 'expression', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'foo()\nfoo()',
      output: 'foo()\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'expression', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // multiline-expression
    //----------------------------------------------------------------------

    {
      code: 'foo()\n\nfoo(\n\tx,\n\ty\n)',
      output: 'foo()\nfoo(\n\tx,\n\ty\n)',
      options: [
        { blankLine: 'never', prev: '*', next: 'multiline-expression' },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'foo()\nfoo(\n\tx,\n\ty\n)',
      output: 'foo()\n\nfoo(\n\tx,\n\ty\n)',
      options: [
        { blankLine: 'always', prev: '*', next: 'multiline-expression' },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: '() => {\n\tsomeArray.forEach(\n\t\tx => doSomething(x)\n\t);\n\treturn theThing;\n}',
      output:
        '() => {\n\tsomeArray.forEach(\n\t\tx => doSomething(x)\n\t);\n\n\treturn theThing;\n}',
      options: [
        { blankLine: 'always', prev: 'multiline-expression', next: 'return' },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // break
    //----------------------------------------------------------------------

    {
      code: 'while(a){break\n\nfoo()}',
      output: 'while(a){break\nfoo()}',
      options: [{ blankLine: 'never', prev: 'break', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'switch(a){case 0:break\n\nfoo()}',
      output: 'switch(a){case 0:break\nfoo()}',
      options: [{ blankLine: 'never', prev: 'break', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'while(a){break\nfoo()}',
      output: 'while(a){break\n\nfoo()}',
      options: [{ blankLine: 'always', prev: 'break', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'switch(a){case 0:break\nfoo()}',
      output: 'switch(a){case 0:break\n\nfoo()}',
      options: [{ blankLine: 'always', prev: 'break', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // case
    //----------------------------------------------------------------------

    {
      code: 'switch(a){case 0:\nfoo()\n\ndefault:}',
      output: 'switch(a){case 0:\nfoo()\ndefault:}',
      options: [{ blankLine: 'never', prev: 'case', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'switch(a){case 0:\nfoo()\ndefault:}',
      output: 'switch(a){case 0:\nfoo()\n\ndefault:}',
      options: [{ blankLine: 'always', prev: 'case', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // class
    //----------------------------------------------------------------------

    {
      code: 'class A{}\n\nfoo()',
      output: 'class A{}\nfoo()',
      options: [{ blankLine: 'never', prev: 'class', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'class A{}\nfoo()',
      output: 'class A{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'class', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // const
    //----------------------------------------------------------------------

    {
      code: 'const a=1\n\nfoo()',
      output: 'const a=1\nfoo()',
      options: [{ blankLine: 'never', prev: 'const', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'const a=1\nfoo()',
      output: 'const a=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'const', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // type
    //----------------------------------------------------------------------

    {
      code: 'type a=number\n\nfoo()',
      output: 'type a=number\nfoo()',
      options: [{ blankLine: 'never', prev: 'type', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'type a=number\nfoo()',
      output: 'type a=number\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'type', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // interface
    //----------------------------------------------------------------------

    {
      code: 'interface Test{\na:number;\n}\nfoo()',
      output: 'interface Test{\na:number;\n}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'interface', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // continue
    //----------------------------------------------------------------------

    {
      code: 'while(a){continue\n\nfoo()}',
      output: 'while(a){continue\nfoo()}',
      options: [{ blankLine: 'never', prev: 'continue', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'while(a){continue\nfoo()}',
      output: 'while(a){continue\n\nfoo()}',
      options: [{ blankLine: 'always', prev: 'continue', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // debugger
    //----------------------------------------------------------------------

    {
      code: 'debugger\n\nfoo()',
      output: 'debugger\nfoo()',
      options: [{ blankLine: 'never', prev: 'debugger', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'debugger\nfoo()',
      output: 'debugger\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'debugger', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // default
    //----------------------------------------------------------------------

    {
      code: 'switch(a){default:\nfoo()\n\ncase 0:}',
      output: 'switch(a){default:\nfoo()\ncase 0:}',
      options: [{ blankLine: 'never', prev: 'default', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'switch(a){default:\nfoo()\ncase 0:}',
      output: 'switch(a){default:\nfoo()\n\ncase 0:}',
      options: [{ blankLine: 'always', prev: 'default', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // do
    //----------------------------------------------------------------------

    {
      code: 'do;while(a)\n\nfoo()',
      output: 'do;while(a)\nfoo()',
      options: [{ blankLine: 'never', prev: 'do', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'do;while(a)\nfoo()',
      output: 'do;while(a)\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'do', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // export
    //----------------------------------------------------------------------

    {
      code: 'export default 1\n\nfoo()',
      output: 'export default 1\nfoo()',
      options: [{ blankLine: 'never', prev: 'export', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'export let a=1\n\nfoo()',
      output: 'export let a=1\nfoo()',
      options: [{ blankLine: 'never', prev: 'export', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a = 0;export {a}\n\nfoo()',
      output: 'var a = 0;export {a}\nfoo()',
      options: [{ blankLine: 'never', prev: 'export', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'export default 1\nfoo()',
      output: 'export default 1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'export', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'export let a=1\nfoo()',
      output: 'export let a=1\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'export', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a = 0;export {a}\nfoo()',
      output: 'var a = 0;export {a}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'export', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // for
    //----------------------------------------------------------------------

    {
      code: 'for(;;);\n\nfoo()',
      output: 'for(;;);\nfoo()',
      options: [{ blankLine: 'never', prev: 'for', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'for(a in b);\n\nfoo()',
      output: 'for(a in b);\nfoo()',
      options: [{ blankLine: 'never', prev: 'for', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'for(a of b);\n\nfoo()',
      output: 'for(a of b);\nfoo()',
      options: [{ blankLine: 'never', prev: 'for', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'for(;;);\nfoo()',
      output: 'for(;;);\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'for', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(a in b);\nfoo()',
      output: 'for(a in b);\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'for', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'for(a of b);\nfoo()',
      output: 'for(a of b);\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'for', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // function
    //----------------------------------------------------------------------

    {
      code: 'function foo(){}\n\nfoo()',
      output: 'function foo(){}\nfoo()',
      options: [{ blankLine: 'never', prev: 'function', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'function foo(){}\nfoo()',
      output: 'function foo(){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'function', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'async function foo(){}\nfoo()',
      output: 'async function foo(){}\n\nfoo()',
      options: [
        { blankLine: 'never', prev: '*', next: '*' },
        { blankLine: 'always', prev: 'function', next: '*' },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // if
    //----------------------------------------------------------------------

    {
      code: 'if(a);\n\nfoo()',
      output: 'if(a);\nfoo()',
      options: [{ blankLine: 'never', prev: 'if', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'if(a);else;\n\nfoo()',
      output: 'if(a);else;\nfoo()',
      options: [{ blankLine: 'never', prev: 'if', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'if(a);\nfoo()',
      output: 'if(a);\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'if', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(a);else;\nfoo()',
      output: 'if(a);else;\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'if', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // iife
    //----------------------------------------------------------------------

    {
      code: '(function(){\n})()\n\nvar a = 2;',
      output: '(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'iife', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '+(function(){\n})()\n\nvar a = 2;',
      output: '+(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'iife', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '(function(){\n})()\nvar a = 2;',
      output: '(function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: '+(function(){\n})()\nvar a = 2;',
      output: '+(function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    // Optional chaining
    {
      code: '(function(){\n})?.()\nvar a = 2;',
      output: '(function(){\n})?.()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
      parserOptions: { ecmaVersion: 2020 },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'void (function(){\n})?.()\nvar a = 2;',
      output: 'void (function(){\n})?.()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
      parserOptions: { ecmaVersion: 2020 },
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    // Sequenced function
    {
      code: '(1,2,3,function(){\n})()\nvar a = 2;',
      output: '(1,2,3,function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'iife', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // import
    //----------------------------------------------------------------------

    {
      code: "import a from 'a'\n\nfoo()",
      output: "import a from 'a'\nfoo()",
      options: [{ blankLine: 'never', prev: 'import', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "import * as a from 'a'\n\nfoo()",
      output: "import * as a from 'a'\nfoo()",
      options: [{ blankLine: 'never', prev: 'import', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "import {a} from 'a'\n\nfoo()",
      output: "import {a} from 'a'\nfoo()",
      options: [{ blankLine: 'never', prev: 'import', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "import a from 'a'\nfoo()",
      output: "import a from 'a'\n\nfoo()",
      options: [{ blankLine: 'always', prev: 'import', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "import * as a from 'a'\nfoo()",
      output: "import * as a from 'a'\n\nfoo()",
      options: [{ blankLine: 'always', prev: 'import', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "import {a} from 'a'\nfoo()",
      output: "import {a} from 'a'\n\nfoo()",
      options: [{ blankLine: 'always', prev: 'import', next: '*' }],
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // let
    //----------------------------------------------------------------------

    {
      code: 'let a\n\nfoo()',
      output: 'let a\nfoo()',
      options: [{ blankLine: 'never', prev: 'let', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'let a\nfoo()',
      output: 'let a\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'let', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // return
    //----------------------------------------------------------------------

    {
      code: 'function foo(){return\n\nfoo()}',
      output: 'function foo(){return\nfoo()}',
      options: [{ blankLine: 'never', prev: 'return', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'function foo(){return\nfoo()}',
      output: 'function foo(){return\n\nfoo()}',
      options: [{ blankLine: 'always', prev: 'return', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // switch
    //----------------------------------------------------------------------

    {
      code: 'switch(a){}\n\nfoo()',
      output: 'switch(a){}\nfoo()',
      options: [{ blankLine: 'never', prev: 'switch', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'switch(a){}\nfoo()',
      output: 'switch(a){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'switch', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // throw
    //----------------------------------------------------------------------

    {
      code: 'throw a\n\nfoo()',
      output: 'throw a\nfoo()',
      options: [{ blankLine: 'never', prev: 'throw', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'throw a\nfoo()',
      output: 'throw a\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'throw', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // try
    //----------------------------------------------------------------------

    {
      code: 'try{}catch(e){}\n\nfoo()',
      output: 'try{}catch(e){}\nfoo()',
      options: [{ blankLine: 'never', prev: 'try', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'try{}finally{}\n\nfoo()',
      output: 'try{}finally{}\nfoo()',
      options: [{ blankLine: 'never', prev: 'try', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'try{}catch(e){}finally{}\n\nfoo()',
      output: 'try{}catch(e){}finally{}\nfoo()',
      options: [{ blankLine: 'never', prev: 'try', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'try{}catch(e){}\nfoo()',
      output: 'try{}catch(e){}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'try', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{}finally{}\nfoo()',
      output: 'try{}finally{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'try', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'try{}catch(e){}finally{}\nfoo()',
      output: 'try{}catch(e){}finally{}\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'try', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // var
    //----------------------------------------------------------------------

    {
      code: 'var a\n\nfoo()',
      output: 'var a\nfoo()',
      options: [{ blankLine: 'never', prev: 'var', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a\nfoo()',
      output: 'var a\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'var', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // while
    //----------------------------------------------------------------------

    {
      code: 'while(a);\n\nfoo()',
      output: 'while(a);\nfoo()',
      options: [{ blankLine: 'never', prev: 'while', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'while(a);\nfoo()',
      output: 'while(a);\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'while', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // with
    //----------------------------------------------------------------------

    {
      code: 'with(a);\n\nfoo()',
      output: 'with(a);\nfoo()',
      options: [{ blankLine: 'never', prev: 'with', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'with(a);\nfoo()',
      output: 'with(a);\n\nfoo()',
      options: [{ blankLine: 'always', prev: 'with', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // multiline-const
    //----------------------------------------------------------------------

    {
      code: 'const a={\nb:1,\nc:2\n}\n\nconst d=3',
      output: 'const a={\nb:1,\nc:2\n}\nconst d=3',
      options: [{ blankLine: 'never', prev: 'multiline-const', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'const a={\nb:1,\nc:2\n}\nconst d=3',
      output: 'const a={\nb:1,\nc:2\n}\n\nconst d=3',
      options: [{ blankLine: 'always', prev: 'multiline-const', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'const a=1\n\nconst b={\nc:2,\nd:3\n}',
      output: 'const a=1\nconst b={\nc:2,\nd:3\n}',
      options: [{ blankLine: 'never', prev: '*', next: 'multiline-const' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'const a=1\nconst b={\nc:2,\nd:3\n}',
      output: 'const a=1\n\nconst b={\nc:2,\nd:3\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'multiline-const' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // multiline-let
    //----------------------------------------------------------------------

    {
      code: 'let a={\nb:1,\nc:2\n}\n\nlet d=3',
      output: 'let a={\nb:1,\nc:2\n}\nlet d=3',
      options: [{ blankLine: 'never', prev: 'multiline-let', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'let a={\nb:1,\nc:2\n}\nlet d=3',
      output: 'let a={\nb:1,\nc:2\n}\n\nlet d=3',
      options: [{ blankLine: 'always', prev: 'multiline-let', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'let a=1\n\nlet b={\nc:2,\nd:3\n}',
      output: 'let a=1\nlet b={\nc:2,\nd:3\n}',
      options: [{ blankLine: 'never', prev: '*', next: 'multiline-let' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'let a=1\nlet b={\nc:2,\nd:3\n}',
      output: 'let a=1\n\nlet b={\nc:2,\nd:3\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'multiline-let' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // multiline-var
    //----------------------------------------------------------------------

    {
      code: 'var a={\nb:1,\nc:2\n}\n\nvar d=3',
      output: 'var a={\nb:1,\nc:2\n}\nvar d=3',
      options: [{ blankLine: 'never', prev: 'multiline-var', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a={\nb:1,\nc:2\n}\nvar d=3',
      output: 'var a={\nb:1,\nc:2\n}\n\nvar d=3',
      options: [{ blankLine: 'always', prev: 'multiline-var', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a=1\n\nvar b={\nc:2,\nd:3\n}',
      output: 'var a=1\nvar b={\nc:2,\nd:3\n}',
      options: [{ blankLine: 'never', prev: '*', next: 'multiline-var' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a=1\nvar b={\nc:2,\nd:3\n}',
      output: 'var a=1\n\nvar b={\nc:2,\nd:3\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'multiline-var' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // single line const
    //----------------------------------------------------------------------

    {
      code: 'const a=1\n\nconst b=2',
      output: 'const a=1\nconst b=2',
      options: [{ blankLine: 'never', prev: 'singleline-const', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'const a=1\nconst b=2',
      output: 'const a=1\n\nconst b=2',
      options: [{ blankLine: 'always', prev: 'singleline-const', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'const a=1\n\nconst b=2',
      output: 'const a=1\nconst b=2',
      options: [{ blankLine: 'never', prev: '*', next: 'singleline-const' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'const a=1\nconst b=2',
      output: 'const a=1\n\nconst b=2',
      options: [{ blankLine: 'always', prev: '*', next: 'singleline-const' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // single line let
    //----------------------------------------------------------------------

    {
      code: 'let a=1\n\nlet b=2',
      output: 'let a=1\nlet b=2',
      options: [{ blankLine: 'never', prev: 'singleline-let', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'let a=1\nlet b=2',
      output: 'let a=1\n\nlet b=2',
      options: [{ blankLine: 'always', prev: 'singleline-let', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'let a=1\n\nlet b=2',
      output: 'let a=1\nlet b=2',
      options: [{ blankLine: 'never', prev: '*', next: 'singleline-let' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'let a=1\nlet b=2',
      output: 'let a=1\n\nlet b=2',
      options: [{ blankLine: 'always', prev: '*', next: 'singleline-let' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // single line var
    //----------------------------------------------------------------------

    {
      code: 'var a=1\n\nvar b=2',
      output: 'var a=1\nvar b=2',
      options: [{ blankLine: 'never', prev: 'singleline-var', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a=1\nvar b=2',
      output: 'var a=1\n\nvar b=2',
      options: [{ blankLine: 'always', prev: 'singleline-var', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a=1\n\nvar b=2',
      output: 'var a=1\nvar b=2',
      options: [{ blankLine: 'never', prev: '*', next: 'singleline-var' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a=1\nvar b=2',
      output: 'var a=1\n\nvar b=2',
      options: [{ blankLine: 'always', prev: '*', next: 'singleline-var' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // Tests from newline-after-var
    //----------------------------------------------------------------------

    // should disallow no line break in "always" mode
    {
      code: "var greet = 'hello';console.log(greet);",
      output: "var greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';var name = 'world';console.log(greet, name);",
      output:
        "var greet = 'hello';var name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello', name = 'world';console.log(greet, name);",
      output:
        "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    // should disallow no blank line in "always" mode
    {
      code: "var greet = 'hello';\nconsole.log(greet);",
      output: "var greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';    \nconsole.log(greet);",
      output: "var greet = 'hello';\n    \nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello'; // inline comment\nconsole.log(greet);",
      output: "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
      output:
        "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
      output:
        "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
      output:
        "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "let greet = 'hello';\nconsole.log(greet);",
      output: "let greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "const greet = 'hello';\nconsole.log(greet);",
      output: "const greet = 'hello';\n\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "function example() {\nvar greet = 'hello';\nconsole.log(greet);\n}",
      output:
        "function example() {\nvar greet = 'hello';\n\nconsole.log(greet);\n}",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var f = function() {\nvar greet = 'hello';\nconsole.log(greet);\n};",
      output:
        "var f = function() {\nvar greet = 'hello';\n\nconsole.log(greet);\n};",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "() => {\nvar greet = 'hello';\nconsole.log(greet);\n}",
      output: "() => {\nvar greet = 'hello';\n\nconsole.log(greet);\n}",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    // should disallow blank lines in "never" mode
    {
      code: "var greet = 'hello';\n\nconsole.log(greet);",
      output: "var greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\n\n\nconsole.log(greet);",
      output: "var greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\n\n\n\nconsole.log(greet);",
      output: "var greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';    \n\nconsole.log(greet);",
      output: "var greet = 'hello';    \nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello'; // inline comment\n\nconsole.log(greet);",
      output: "var greet = 'hello'; // inline comment\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\nvar name = 'world';\n\nconsole.log(greet, name);",
      output:
        "var greet = 'hello';\nvar name = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello', name = 'world';\n\nconsole.log(greet, name);",
      output: "var greet = 'hello', name = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\n\nconsole.log(greet, name);",
      output:
        "var greet = 'hello',\nname = 'world';\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\n\nconsole.log(greet, name);",
      output:
        "var greet = 'hello', // inline comment\nname = 'world'; // inline comment\nconsole.log(greet, name);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "let greet = 'hello';\n\nconsole.log(greet);",
      output: "let greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: "const greet = 'hello';\n\nconsole.log(greet);",
      output: "const greet = 'hello';\nconsole.log(greet);",
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },

    // should disallow a comment on the next line that's not in turn followed by a blank in "always" mode
    {
      code: "var greet = 'hello';\n// next-line comment\nconsole.log(greet);",
      output:
        "var greet = 'hello';\n\n// next-line comment\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\n/* block comment\nblock comment */\nconsole.log(greet);",
      output:
        "var greet = 'hello';\n\n/* block comment\nblock comment */\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\n// next-line comment\nconsole.log(greet);",
      output:
        "var greet = 'hello',\nname = 'world';\n\n// next-line comment\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello',\nname = 'world';\n/* block comment\nblock comment */\nconsole.log(greet);",
      output:
        "var greet = 'hello',\nname = 'world';\n\n/* block comment\nblock comment */\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\n// next-line comment\n// second-line comment\nconsole.log(greet);",
      output:
        "var greet = 'hello';\n\n// next-line comment\n// second-line comment\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: "var greet = 'hello';\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
      output:
        "var greet = 'hello';\n\n// next-line comment\n/* block comment\nblock comment */\nconsole.log(greet);",
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    // https://github.com/eslint/eslint/issues/6834
    {
      code: `
var a = 1
;(b || c).doSomething()
      `,
      output: `
var a = 1

;(b || c).doSomething()
      `,
      options: [
        { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: `
var a = 1

;(b || c).doSomething()
      `,
      output: `
var a = 1
;(b || c).doSomething()
      `,
      options: [
        { blankLine: 'never', prev: ['const', 'let', 'var'], next: '*' },
        {
          blankLine: 'any',
          prev: ['const', 'let', 'var'],
          next: ['const', 'let', 'var'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // Tests from newline-before-return
    //----------------------------------------------------------------------

    {
      code: 'function a() {\nvar b; return;\n}',
      output: 'function a() {\nvar b;\n\n return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b;\nreturn;\n}',
      output: 'function a() {\nvar b;\n\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\nreturn d;\n}\n}',
      output:
        'function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\nreturn d;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne(); return d;\n}\n}',
      output:
        'function a() {\nif (b) return b;\nelse if (c) return c;\nelse {\ne();\n\n return d;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\n while (b) {\nc();\nreturn;\n}\n}',
      output: 'function a() {\n while (b) {\nc();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\ndo {\nc();\nreturn;\n} while (b);\n}',
      output: 'function a() {\ndo {\nc();\n\nreturn;\n} while (b);\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++) {\nc();\nreturn;\n}\n}',
      output:
        'function a() {\nfor (var b; b < c; b++) {\nc();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nfor (b in c) {\nd();\nreturn;\n}\n}',
      output: 'function a() {\nfor (b in c) {\nd();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nfor (b of c) {\nd();\nreturn;\n}\n}',
      output: 'function a() {\nfor (b of c) {\nd();\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nif (b) {\nc();\n}\n//comment\nreturn b;\n}',
      output: 'function a() {\nif (b) {\nc();\n}\n\n//comment\nreturn b;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\n/*comment\ncomment*/\nif (b) {\nc();\nreturn b;\n} else {\n//comment\n\nreturn d;\n}\n/*multi-line\ncomment*/\nreturn e;\n}',
      output:
        'function a() {\n/*comment\ncomment*/\nif (b) {\nc();\n\nreturn b;\n} else {\n//comment\n\nreturn d;\n}\n\n/*multi-line\ncomment*/\nreturn e;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
      ],
    },
    {
      code: 'function a() {\nif (b) { return; } //comment\nreturn c;\n}',
      output: 'function a() {\nif (b) { return; } //comment\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nif (b) { return; } /*multi-line\ncomment*/\nreturn c;\n}',
      output:
        'function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nif (b) { return; }\n/*multi-line\ncomment*/ return c;\n}',
      output:
        'function a() {\nif (b) { return; }\n\n/*multi-line\ncomment*/ return c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nif (b) { return; } /*multi-line\ncomment*/ return c;\n}',
      output:
        'function a() {\nif (b) { return; } /*multi-line\ncomment*/\n\n return c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a;\nreturn;',
      output: 'var a;\n\nreturn;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a; return;',
      output: 'var a;\n\n return;',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      parserOptions: { ecmaFeatures: { globalReturn: true } },
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\n{\n//comment\n}\nreturn\n}',
      output: 'function a() {\n{\n//comment\n}\n\nreturn\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\n{\n//comment\n} return\n}',
      output: 'function a() {\n{\n//comment\n}\n\n return\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\nreturn c;\n}',
      output:
        'function a() {\nvar c;\nwhile (b) {\n c = d; //comment\n}\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\nreturn;\n}\n}',
      output:
        'function a() {\nfor (var b; b < c; b++) {\nif (d) {\nbreak; //comment\n}\n\nreturn;\n}\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b; /*multi-line\ncomment*/\nreturn c;\n}',
      output: 'function a() {\nvar b; /*multi-line\ncomment*/\n\nreturn c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b;\n/*multi-line\ncomment*/ return c;\n}',
      output: 'function a() {\nvar b;\n\n/*multi-line\ncomment*/ return c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b; /*multi-line\ncomment*/ return c;\n}',
      output: 'function a() {\nvar b; /*multi-line\ncomment*/\n\n return c;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b;\n//comment\nreturn;\n}',
      output: 'function a() {\nvar b;\n\n//comment\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b; //comment\nreturn;\n}',
      output: 'function a() {\nvar b; //comment\n\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b;\n/* comment */ return;\n}',
      output: 'function a() {\nvar b;\n\n/* comment */ return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b;\n//comment\n/* comment */ return;\n}',
      output: 'function a() {\nvar b;\n\n//comment\n/* comment */ return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b; /* comment */ return;\n}',
      output: 'function a() {\nvar b; /* comment */\n\n return;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b; /* comment */\nreturn;\n}',
      output: 'function a() {\nvar b; /* comment */\n\nreturn;\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b;\nreturn; //comment\n}',
      output: 'function a() {\nvar b;\n\nreturn; //comment\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function a() {\nvar b; return; //comment\n}',
      output: 'function a() {\nvar b;\n\n return; //comment\n}',
      options: [{ blankLine: 'always', prev: '*', next: 'return' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // From JSCS disallowPaddingNewLinesAfterBlocks
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-after-blocks.js
    //----------------------------------------------------------------------

    {
      code: 'if(true){}\n\nvar a = 2;',
      output: 'if(true){}\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'if(true){\nif(true) {}\n\nvar a = 2;}',
      output: 'if(true){\nif(true) {}\nvar a = 2;}',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '(function(){\n})()\n\nvar a = 2;',
      output: '(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: '+(function(){\n})()\n\nvar a = 2;',
      output: '+(function(){\n})()\nvar a = 2;',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'var a = function() {};\n\nvar b = 2;',
      output: 'var a = function() {};\nvar b = 2;',
      options: [{ blankLine: 'never', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // From JSCS disallowPaddingNewLinesBeforeExport
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-before-export.js
    //----------------------------------------------------------------------

    {
      code: 'var a = 2;\n\nmodule.exports = a;',
      output: 'var a = 2;\nmodule.exports = a;',
      options: [{ blankLine: 'never', prev: '*', next: 'exports' }],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // From JSCS disallowPaddingNewLinesBeforeExport
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/disallow-padding-newlines-before-keywords.js
    //----------------------------------------------------------------------

    {
      code: 'function x() { var a;\n\nreturn; }',
      output: 'function x() { var a;\nreturn; }',
      options: [
        {
          blankLine: 'never',
          prev: '*',
          next: ['if', 'for', 'return', 'switch', 'case', 'break', 'throw'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'function x() { var a = true;\n\nif (a) { a = !a; }; }',
      output: 'function x() { var a = true;\nif (a) { a = !a; }; }',
      options: [
        {
          blankLine: 'never',
          prev: '*',
          next: ['if', 'for', 'return', 'switch', 'case', 'break', 'throw'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'function x() { var a = true;\n\nfor (var i = 0; i < 10; i++) { a = !a; }; }',
      output:
        'function x() { var a = true;\nfor (var i = 0; i < 10; i++) { a = !a; }; }',
      options: [
        {
          blankLine: 'never',
          prev: '*',
          next: ['if', 'for', 'return', 'switch', 'case', 'break', 'throw'],
        },
      ],
      errors: [{ messageId: 'unexpectedBlankLine' }],
    },
    {
      code: 'function x() { var y = true;\n\nswitch ("Oranges") { case "Oranges": y = !y;\n\nbreak;\n\ncase "Apples": y = !y;\n\nbreak; default: y = !y; } }',
      output:
        'function x() { var y = true;\nswitch ("Oranges") { case "Oranges": y = !y;\nbreak;\ncase "Apples": y = !y;\nbreak; default: y = !y; } }',
      options: [
        {
          blankLine: 'never',
          prev: '*',
          next: ['if', 'for', 'return', 'switch', 'case', 'break', 'throw'],
        },
      ],
      errors: [
        { messageId: 'unexpectedBlankLine' },
        { messageId: 'unexpectedBlankLine' },
        { messageId: 'unexpectedBlankLine' },
        { messageId: 'unexpectedBlankLine' },
      ],
    },
    {
      code: 'function x() {try { var a;\n\nthrow 0; } catch (e) { var b = 0;\n\nthrow e; } }',
      output:
        'function x() {try { var a;\nthrow 0; } catch (e) { var b = 0;\nthrow e; } }',
      options: [
        {
          blankLine: 'never',
          prev: '*',
          next: ['if', 'for', 'return', 'switch', 'case', 'break', 'throw'],
        },
      ],
      errors: [
        { messageId: 'unexpectedBlankLine' },
        { messageId: 'unexpectedBlankLine' },
      ],
    },
    {
      code: 'function x(a) { var b = 0;\n\nif (!a) { return false; };\n\nfor (var i = 0; i < b; i++) { if (!a[i]) return false; }\n\nreturn true; }',
      output:
        'function x(a) { var b = 0;\nif (!a) { return false; };\nfor (var i = 0; i < b; i++) { if (!a[i]) return false; }\nreturn true; }',
      options: [
        {
          blankLine: 'never',
          prev: '*',
          next: ['if', 'for', 'return', 'switch', 'case', 'break', 'throw'],
        },
      ],
      errors: [
        { messageId: 'unexpectedBlankLine' },
        { messageId: 'unexpectedBlankLine' },
        { messageId: 'unexpectedBlankLine' },
      ],
    },

    //----------------------------------------------------------------------
    // From JSCS requirePaddingNewLinesAfterBlocks
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-after-blocks.js
    //----------------------------------------------------------------------

    {
      code: 'if(true){}\nvar a = 2;',
      output: 'if(true){}\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a = function() {\n};\nvar b = 2;',
      output: 'var a = function() {\n};\n\nvar b = 2;',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'if(true){\nif(true) {}\nvar a = 2;}',
      output: 'if(true){\nif(true) {}\n\nvar a = 2;}',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: '(function(){\n})()\nvar a = 2;',
      output: '(function(){\n})()\n\nvar a = 2;',
      options: [{ blankLine: 'always', prev: 'block-like', next: '*' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'var a = function() {\n};\nvar b = 2;',
      output: 'var a = function() {\n};\n\nvar b = 2;',
      options: [
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: '(function(){\n})()\nvar a = 2;',
      output: '(function(){\n})()\n\nvar a = 2;',
      options: [
        { blankLine: 'always', prev: 'multiline-block-like', next: '*' },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // From JSCS requirePaddingNewLinesBeforeExport
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-export.js
    //----------------------------------------------------------------------

    {
      code: 'var a = 2;\nmodule.exports = a;',
      output: 'var a = 2;\n\nmodule.exports = a;',
      options: [{ blankLine: 'always', prev: '*', next: 'exports' }],
      errors: [{ messageId: 'expectedBlankLine' }],
    },

    //----------------------------------------------------------------------
    // From JSCS requirePaddingNewlinesBeforeKeywords
    // https://github.com/jscs-dev/node-jscs/blob/44f9b86eb0757fd4ca05a81a50450c5f1b25c37b/test/specs/rules/require-padding-newlines-before-keywords.js
    //----------------------------------------------------------------------

    {
      code: 'function x() { var a; return; }',
      output: 'function x() { var a;\n\n return; }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function x() { var a = true; for (var i = 0; i < 10; i++) { a = !a; }; }',
      output:
        'function x() { var a = true;\n\n for (var i = 0; i < 10; i++) { a = !a; }; }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function x() { var y = true; switch ("Oranges") { case "Oranges": y = !y; break; case "Apples": y = !y; break; default: y = !y; } }',
      output:
        'function x() { var y = true;\n\n switch ("Oranges") { case "Oranges": y = !y;\n\n break;\n\n case "Apples": y = !y;\n\n break;\n\n default: y = !y; } }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
      errors: [
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
      ],
    },
    {
      code: 'function x() { var a = true; while (!a) { a = !a; }; }',
      output: 'function x() { var a = true;\n\n while (!a) { a = !a; }; }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
      errors: [{ messageId: 'expectedBlankLine' }],
    },
    {
      code: 'function x() {try { var a; throw 0; } catch (e) { var b = 0; throw e; } }',
      output:
        'function x() {try { var a;\n\n throw 0; } catch (e) { var b = 0;\n\n throw e; } }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
      errors: [
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
      ],
    },
    {
      code: 'function x(a) { var b = 0; if (!a) { return false; }; for (var i = 0; i < b; i++) { if (!a[i]) return false; } return true; }',
      output:
        'function x(a) { var b = 0;\n\n if (!a) { return false; };\n\n for (var i = 0; i < b; i++) { if (!a[i]) return false; }\n\n return true; }',
      options: [
        {
          blankLine: 'always',
          prev: '*',
          next: [
            'if',
            'for',
            'return',
            'switch',
            'case',
            'break',
            'throw',
            'while',
            'default',
          ],
        },
      ],
      errors: [
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
      ],
    },
    {
      // https://github.com/typescript-eslint/typescript-eslint/issues/3863
      code: `
declare namespace Types {
  type Foo = string;
  type Bar = string;
  interface FooBar {
    [key: string]: string;
  }
  interface BarBaz {
    [key: string]: string;
  }
}
      `,
      output: `
declare namespace Types {
  type Foo = string;

  type Bar = string;

  interface FooBar {
    [key: string]: string;
  }

  interface BarBaz {
    [key: string]: string;
  }
}

      `,
      options: [
        { blankLine: 'always', prev: '*', next: ['interface', 'type'] },
      ],
      errors: [
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
        { messageId: 'expectedBlankLine' },
      ],
    },
  ],
});