Skip to content

Commit

Permalink
Add edge-case parser/generator tests for for (async of
Browse files Browse the repository at this point in the history
  • Loading branch information
@Zalathar
Zalathar committed May 1, 2021
1 parent f36cf22 commit cc7e470
Show file tree
Hide file tree
Showing 16 changed files with 297 additions and 0 deletions.
2 changes: 2 additions & 0 deletions packages/babel-generator/test/fixtures/edgecase/for-async-of/input.js
View file
Expand Up @@ -4,4 +4,6 @@ for ((async) of async) async;

for (\u0061sync of []);

for (async.x of []);

for (async in []);
2 changes: 2 additions & 0 deletions packages/babel-generator/test/fixtures/edgecase/for-async-of/output.js
View file
Expand Up @@ -4,4 +4,6 @@ for ((async) of async) async;

for ((async) of []);

for (async.x of []);

for (async in []);
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/dot/input.js
View file
@@ -0,0 +1 @@
for (async.x of y);
42 changes: 42 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/dot/output.json
View file
@@ -0,0 +1,42 @@
{
"type": "File",
"start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
"program": {
"type": "Program",
"start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ForOfStatement",
"start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
"await": false,
"left": {
"type": "MemberExpression",
"start":5,"end":12,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":12}},
"object": {
"type": "Identifier",
"start":5,"end":10,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":10},"identifierName":"async"},
"name": "async"
},
"computed": false,
"property": {
"type": "Identifier",
"start":11,"end":12,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":12},"identifierName":"x"},
"name": "x"
}
},
"right": {
"type": "Identifier",
"start":16,"end":17,"loc":{"start":{"line":1,"column":16},"end":{"line":1,"column":17},"identifierName":"y"},
"name": "y"
},
"body": {
"type": "EmptyStatement",
"start":18,"end":19,"loc":{"start":{"line":1,"column":18},"end":{"line":1,"column":19}}
}
}
],
"directives": []
}
}
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/escaped/input.js
View file
@@ -0,0 +1 @@
for (\u0061sync of x);
32 changes: 32 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/escaped/output.json
View file
@@ -0,0 +1,32 @@
{
"type": "File",
"start":0,"end":22,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":22}},
"program": {
"type": "Program",
"start":0,"end":22,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":22}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ForOfStatement",
"start":0,"end":22,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":22}},
"await": false,
"left": {
"type": "Identifier",
"start":5,"end":15,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":15},"identifierName":"async"},
"name": "async"
},
"right": {
"type": "Identifier",
"start":19,"end":20,"loc":{"start":{"line":1,"column":19},"end":{"line":1,"column":20},"identifierName":"x"},
"name": "x"
},
"body": {
"type": "EmptyStatement",
"start":21,"end":22,"loc":{"start":{"line":1,"column":21},"end":{"line":1,"column":22}}
}
}
],
"directives": []
}
}
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/for-statement/input.js
View file
@@ -0,0 +1 @@
for (async of => {};;);
43 changes: 43 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/for-statement/output.json
View file
@@ -0,0 +1,43 @@
{
"type": "File",
"start":0,"end":23,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":23}},
"program": {
"type": "Program",
"start":0,"end":23,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":23}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ForStatement",
"start":0,"end":23,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":23}},
"init": {
"type": "ArrowFunctionExpression",
"start":5,"end":19,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":19}},
"id": null,
"generator": false,
"async": true,
"params": [
{
"type": "Identifier",
"start":11,"end":13,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":13},"identifierName":"of"},
"name": "of"
}
],
"body": {
"type": "BlockStatement",
"start":17,"end":19,"loc":{"start":{"line":1,"column":17},"end":{"line":1,"column":19}},
"body": [],
"directives": []
}
},
"test": null,
"update": null,
"body": {
"type": "EmptyStatement",
"start":22,"end":23,"loc":{"start":{"line":1,"column":22},"end":{"line":1,"column":23}}
}
}
],
"directives": []
}
}
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/forbidden-arrow-function/input.js
View file
@@ -0,0 +1 @@
for (async of => {} of x);
50 changes: 50 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/forbidden-arrow-function/output.json
View file
@@ -0,0 +1,50 @@
{
"type": "File",
"start":0,"end":26,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":26}},
"errors": [
"SyntaxError: Invalid left-hand side in for-of statement. (1:5)"
],
"program": {
"type": "Program",
"start":0,"end":26,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":26}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ForOfStatement",
"start":0,"end":26,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":26}},
"await": false,
"left": {
"type": "ArrowFunctionExpression",
"start":5,"end":19,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":19}},
"id": null,
"generator": false,
"async": true,
"params": [
{
"type": "Identifier",
"start":11,"end":13,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":13},"identifierName":"of"},
"name": "of"
}
],
"body": {
"type": "BlockStatement",
"start":17,"end":19,"loc":{"start":{"line":1,"column":17},"end":{"line":1,"column":19}},
"body": [],
"directives": []
}
},
"right": {
"type": "Identifier",
"start":23,"end":24,"loc":{"start":{"line":1,"column":23},"end":{"line":1,"column":24},"identifierName":"x"},
"name": "x"
},
"body": {
"type": "EmptyStatement",
"start":25,"end":26,"loc":{"start":{"line":1,"column":25},"end":{"line":1,"column":26}}
}
}
],
"directives": []
}
}
3 changes: 3 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/forbidden-equals/input.js
View file
@@ -0,0 +1,3 @@
// Check what happens when the async-unary-arrow-function parser looks ahead
// and finds "=" instead of "=>".
for (async of = x);
3 changes: 3 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/forbidden-equals/options.json
View file
@@ -0,0 +1,3 @@
{
"throws": "Unexpected token, expected \"=>\" (3:14)"
}
5 changes: 5 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/forbidden/input.js
View file
@@ -0,0 +1,5 @@
for (async of x);

async () => {
for (async of x);
}
74 changes: 74 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/forbidden/output.json
View file
@@ -0,0 +1,74 @@
{
"type": "File",
"start":0,"end":54,"loc":{"start":{"line":1,"column":0},"end":{"line":5,"column":1}},
"errors": [
"SyntaxError: The left-hand side of a for-of loop may not be 'async'. (1:5)",
"SyntaxError: The left-hand side of a for-of loop may not be 'async'. (4:7)"
],
"program": {
"type": "Program",
"start":0,"end":54,"loc":{"start":{"line":1,"column":0},"end":{"line":5,"column":1}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ForOfStatement",
"start":0,"end":17,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":17}},
"await": false,
"left": {
"type": "Identifier",
"start":5,"end":10,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":10},"identifierName":"async"},
"name": "async"
},
"right": {
"type": "Identifier",
"start":14,"end":15,"loc":{"start":{"line":1,"column":14},"end":{"line":1,"column":15},"identifierName":"x"},
"name": "x"
},
"body": {
"type": "EmptyStatement",
"start":16,"end":17,"loc":{"start":{"line":1,"column":16},"end":{"line":1,"column":17}}
}
},
{
"type": "ExpressionStatement",
"start":19,"end":54,"loc":{"start":{"line":3,"column":0},"end":{"line":5,"column":1}},
"expression": {
"type": "ArrowFunctionExpression",
"start":19,"end":54,"loc":{"start":{"line":3,"column":0},"end":{"line":5,"column":1}},
"id": null,
"generator": false,
"async": true,
"params": [],
"body": {
"type": "BlockStatement",
"start":31,"end":54,"loc":{"start":{"line":3,"column":12},"end":{"line":5,"column":1}},
"body": [
{
"type": "ForOfStatement",
"start":35,"end":52,"loc":{"start":{"line":4,"column":2},"end":{"line":4,"column":19}},
"await": false,
"left": {
"type": "Identifier",
"start":40,"end":45,"loc":{"start":{"line":4,"column":7},"end":{"line":4,"column":12},"identifierName":"async"},
"name": "async"
},
"right": {
"type": "Identifier",
"start":49,"end":50,"loc":{"start":{"line":4,"column":16},"end":{"line":4,"column":17},"identifierName":"x"},
"name": "x"
},
"body": {
"type": "EmptyStatement",
"start":51,"end":52,"loc":{"start":{"line":4,"column":18},"end":{"line":4,"column":19}}
}
}
],
"directives": []
}
}
}
],
"directives": []
}
}
1 change: 1 addition & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/parens/input.js
View file
@@ -0,0 +1 @@
for ((async) of x);
36 changes: 36 additions & 0 deletions packages/babel-parser/test/fixtures/es2021/for-async-of/parens/output.json
View file
@@ -0,0 +1,36 @@
{
"type": "File",
"start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
"program": {
"type": "Program",
"start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ForOfStatement",
"start":0,"end":19,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":19}},
"await": false,
"left": {
"type": "Identifier",
"start":6,"end":11,"loc":{"start":{"line":1,"column":6},"end":{"line":1,"column":11},"identifierName":"async"},
"extra": {
"parenthesized": true,
"parenStart": 5
},
"name": "async"
},
"right": {
"type": "Identifier",
"start":16,"end":17,"loc":{"start":{"line":1,"column":16},"end":{"line":1,"column":17},"identifierName":"x"},
"name": "x"
},
"body": {
"type": "EmptyStatement",
"start":18,"end":19,"loc":{"start":{"line":1,"column":18},"end":{"line":1,"column":19}}
}
}
],
"directives": []
}
}

0 comments on commit cc7e470

Please sign in to comment.