/
InputHandler.test.ts
2377 lines (2303 loc) · 112 KB
/
InputHandler.test.ts
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/**
* Copyright (c) 2017 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { assert } from 'chai';
import { InputHandler } from 'common/InputHandler';
import { IBufferLine, IAttributeData, IColorEvent, ColorIndex, ColorRequestType, SpecialColorIndex } from 'common/Types';
import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
import { CellData } from 'common/buffer/CellData';
import { Attributes, BgFlags, UnderlineStyle } from 'common/buffer/Constants';
import { AttributeData, ExtendedAttrs } from 'common/buffer/AttributeData';
import { Params } from 'common/parser/Params';
import { MockCoreService, MockBufferService, MockOptionsService, MockLogService, MockCoreMouseService, MockCharsetService, MockUnicodeService, MockOscLinkService } from 'common/TestUtils.test';
import { IBufferService, ICoreService, type IOscLinkService } from 'common/services/Services';
import { DEFAULT_OPTIONS } from 'common/services/OptionsService';
import { clone } from 'common/Clone';
import { BufferService } from 'common/services/BufferService';
import { CoreService } from 'common/services/CoreService';
import { OscLinkService } from 'common/services/OscLinkService';
function getCursor(bufferService: IBufferService): number[] {
return [
bufferService.buffer.x,
bufferService.buffer.y
];
}
function getLines(bufferService: IBufferService, limit: number = bufferService.rows): string[] {
const res: string[] = [];
for (let i = 0; i < limit; ++i) {
const line = bufferService.buffer.lines.get(i);
if (line) {
res.push(line.translateToString(true));
}
}
return res;
}
class TestInputHandler extends InputHandler {
public get curAttrData(): IAttributeData { return (this as any)._curAttrData; }
public get windowTitleStack(): string[] { return this._windowTitleStack; }
public get iconNameStack(): string[] { return this._iconNameStack; }
/**
* Promise based parse call to await the full resolve of given input data.
* This is useful to test async handlers in inputhandler directly.
*/
public async parseP(data: string | Uint8Array): Promise<void> {
let result: Promise<boolean> | void;
let prev: boolean | undefined;
while (result = this.parse(data, prev)) {
prev = await result;
}
}
}
describe('InputHandler', () => {
let bufferService: IBufferService;
let coreService: ICoreService;
let optionsService: MockOptionsService;
let oscLinkService: IOscLinkService;
let inputHandler: TestInputHandler;
beforeEach(() => {
optionsService = new MockOptionsService();
bufferService = new BufferService(optionsService);
bufferService.resize(80, 30);
coreService = new CoreService(bufferService, new MockLogService(), optionsService);
oscLinkService = new OscLinkService(bufferService);
inputHandler = new TestInputHandler(bufferService, new MockCharsetService(), coreService, new MockLogService(), optionsService, oscLinkService, new MockCoreMouseService(), new MockUnicodeService());
});
describe('SL/SR/DECIC/DECDC', () => {
beforeEach(() => {
bufferService.resize(5, 5);
optionsService.options.scrollback = 1;
bufferService.reset();
});
it('SL (scrollLeft)', async () => {
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[ @');
assert.deepEqual(getLines(bufferService, 6), ['12345', '2345', '2345', '2345', '2345', '2345']);
await inputHandler.parseP('\x1b[0 @');
assert.deepEqual(getLines(bufferService, 6), ['12345', '345', '345', '345', '345', '345']);
await inputHandler.parseP('\x1b[2 @');
assert.deepEqual(getLines(bufferService, 6), ['12345', '5', '5', '5', '5', '5']);
});
it('SR (scrollRight)', async () => {
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[ A');
assert.deepEqual(getLines(bufferService, 6), ['12345', ' 1234', ' 1234', ' 1234', ' 1234', ' 1234']);
await inputHandler.parseP('\x1b[0 A');
assert.deepEqual(getLines(bufferService, 6), ['12345', ' 123', ' 123', ' 123', ' 123', ' 123']);
await inputHandler.parseP('\x1b[2 A');
assert.deepEqual(getLines(bufferService, 6), ['12345', ' 1', ' 1', ' 1', ' 1', ' 1']);
});
it('insertColumns (DECIC)', async () => {
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[3;3H');
await inputHandler.parseP('\x1b[\'}');
assert.deepEqual(getLines(bufferService, 6), ['12345', '12 34', '12 34', '12 34', '12 34', '12 34']);
bufferService.reset();
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[3;3H');
await inputHandler.parseP('\x1b[1\'}');
assert.deepEqual(getLines(bufferService, 6), ['12345', '12 34', '12 34', '12 34', '12 34', '12 34']);
bufferService.reset();
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[3;3H');
await inputHandler.parseP('\x1b[2\'}');
assert.deepEqual(getLines(bufferService, 6), ['12345', '12 3', '12 3', '12 3', '12 3', '12 3']);
});
it('deleteColumns (DECDC)', async () => {
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[3;3H');
await inputHandler.parseP('\x1b[\'~');
assert.deepEqual(getLines(bufferService, 6), ['12345', '1245', '1245', '1245', '1245', '1245']);
bufferService.reset();
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[3;3H');
await inputHandler.parseP('\x1b[1\'~');
assert.deepEqual(getLines(bufferService, 6), ['12345', '1245', '1245', '1245', '1245', '1245']);
bufferService.reset();
await inputHandler.parseP('12345'.repeat(6));
await inputHandler.parseP('\x1b[3;3H');
await inputHandler.parseP('\x1b[2\'~');
assert.deepEqual(getLines(bufferService, 6), ['12345', '125', '125', '125', '125', '125']);
});
});
describe('BS with reverseWraparound set/unset', () => {
const ttyBS = '\x08 \x08'; // tty ICANON sends <BS SP BS> on pressing BS
beforeEach(() => {
bufferService.resize(5, 5);
optionsService.options.scrollback = 1;
bufferService.reset();
});
describe('reverseWraparound set', () => {
it('should not reverse outside of scroll margins', async () => {
// prepare buffer content
await inputHandler.parseP('#####abcdefghijklmnopqrstuvwxy');
assert.deepEqual(getLines(bufferService, 6), ['#####', 'abcde', 'fghij', 'klmno', 'pqrst', 'uvwxy']);
assert.equal(bufferService.buffers.active.ydisp, 1);
assert.equal(bufferService.buffers.active.x, 5);
assert.equal(bufferService.buffers.active.y, 4);
await inputHandler.parseP(ttyBS.repeat(100));
assert.deepEqual(getLines(bufferService, 6), ['#####', 'abcde', 'fghij', 'klmno', 'pqrst', ' y']);
await inputHandler.parseP('\x1b[?45h');
await inputHandler.parseP('uvwxy');
// set top/bottom to 1/3 (0-based)
await inputHandler.parseP('\x1b[2;4r');
// place cursor below scroll bottom
bufferService.buffers.active.x = 5;
bufferService.buffers.active.y = 4;
await inputHandler.parseP(ttyBS.repeat(100));
assert.deepEqual(getLines(bufferService, 6), ['#####', 'abcde', 'fghij', 'klmno', 'pqrst', ' ']);
await inputHandler.parseP('uvwxy');
// place cursor within scroll margins
bufferService.buffers.active.x = 5;
bufferService.buffers.active.y = 3;
await inputHandler.parseP(ttyBS.repeat(100));
assert.deepEqual(getLines(bufferService, 6), ['#####', 'abcde', ' ', ' ', ' ', 'uvwxy']);
assert.equal(bufferService.buffers.active.x, 0);
assert.equal(bufferService.buffers.active.y, bufferService.buffers.active.scrollTop); // stops at 0, scrollTop
await inputHandler.parseP('fghijklmnopqrst');
// place cursor above scroll top
bufferService.buffers.active.x = 5;
bufferService.buffers.active.y = 0;
await inputHandler.parseP(ttyBS.repeat(100));
assert.deepEqual(getLines(bufferService, 6), ['#####', ' ', 'fghij', 'klmno', 'pqrst', 'uvwxy']);
});
});
});
it('save and restore cursor', () => {
bufferService.buffer.x = 1;
bufferService.buffer.y = 2;
bufferService.buffer.ybase = 0;
inputHandler.curAttrData.fg = 3;
// Save cursor position
inputHandler.saveCursor();
assert.equal(bufferService.buffer.x, 1);
assert.equal(bufferService.buffer.y, 2);
assert.equal(inputHandler.curAttrData.fg, 3);
// Change cursor position
bufferService.buffer.x = 10;
bufferService.buffer.y = 20;
inputHandler.curAttrData.fg = 30;
// Restore cursor position
inputHandler.restoreCursor();
assert.equal(bufferService.buffer.x, 1);
assert.equal(bufferService.buffer.y, 2);
assert.equal(inputHandler.curAttrData.fg, 3);
});
describe('setCursorStyle', () => {
it('should call Terminal.setOption with correct params', () => {
inputHandler.setCursorStyle(Params.fromArray([0]));
assert.equal(optionsService.options['cursorStyle'], 'block');
assert.equal(optionsService.options['cursorBlink'], true);
optionsService.options = clone(DEFAULT_OPTIONS);
inputHandler.setCursorStyle(Params.fromArray([1]));
assert.equal(optionsService.options['cursorStyle'], 'block');
assert.equal(optionsService.options['cursorBlink'], true);
optionsService.options = clone(DEFAULT_OPTIONS);
inputHandler.setCursorStyle(Params.fromArray([2]));
assert.equal(optionsService.options['cursorStyle'], 'block');
assert.equal(optionsService.options['cursorBlink'], false);
optionsService.options = clone(DEFAULT_OPTIONS);
inputHandler.setCursorStyle(Params.fromArray([3]));
assert.equal(optionsService.options['cursorStyle'], 'underline');
assert.equal(optionsService.options['cursorBlink'], true);
optionsService.options = clone(DEFAULT_OPTIONS);
inputHandler.setCursorStyle(Params.fromArray([4]));
assert.equal(optionsService.options['cursorStyle'], 'underline');
assert.equal(optionsService.options['cursorBlink'], false);
optionsService.options = clone(DEFAULT_OPTIONS);
inputHandler.setCursorStyle(Params.fromArray([5]));
assert.equal(optionsService.options['cursorStyle'], 'bar');
assert.equal(optionsService.options['cursorBlink'], true);
optionsService.options = clone(DEFAULT_OPTIONS);
inputHandler.setCursorStyle(Params.fromArray([6]));
assert.equal(optionsService.options['cursorStyle'], 'bar');
assert.equal(optionsService.options['cursorBlink'], false);
});
});
describe('setMode', () => {
it('should toggle bracketedPasteMode', () => {
const coreService = new MockCoreService();
const inputHandler = new TestInputHandler(new MockBufferService(80, 30), new MockCharsetService(), coreService, new MockLogService(), new MockOptionsService(), new MockOscLinkService(), new MockCoreMouseService(), new MockUnicodeService());
// Set bracketed paste mode
inputHandler.setModePrivate(Params.fromArray([2004]));
assert.equal(coreService.decPrivateModes.bracketedPasteMode, true);
// Reset bracketed paste mode
inputHandler.resetModePrivate(Params.fromArray([2004]));
assert.equal(coreService.decPrivateModes.bracketedPasteMode, false);
});
});
describe('regression tests', function (): void {
function termContent(bufferService: IBufferService, trim: boolean): string[] {
const result = [];
for (let i = 0; i < bufferService.rows; ++i) result.push(bufferService.buffer.lines.get(i)!.translateToString(trim));
return result;
}
it('insertChars', async () => {
const bufferService = new MockBufferService(80, 30);
const inputHandler = new TestInputHandler(
bufferService,
new MockCharsetService(),
new MockCoreService(),
new MockLogService(),
new MockOptionsService(),
new MockOscLinkService(),
new MockCoreMouseService(),
new MockUnicodeService()
);
// insert some data in first and second line
await inputHandler.parseP(Array(bufferService.cols - 9).join('a'));
await inputHandler.parseP('1234567890');
await inputHandler.parseP(Array(bufferService.cols - 9).join('a'));
await inputHandler.parseP('1234567890');
const line1: IBufferLine = bufferService.buffer.lines.get(0)!;
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + '1234567890');
// insert one char from params = [0]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.insertChars(Params.fromArray([0]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + ' 123456789');
// insert one char from params = [1]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.insertChars(Params.fromArray([1]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + ' 12345678');
// insert two chars from params = [2]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.insertChars(Params.fromArray([2]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + ' 123456');
// insert 10 chars from params = [10]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.insertChars(Params.fromArray([10]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + ' ');
assert.equal(line1.translateToString(true), Array(bufferService.cols - 9).join('a'));
});
it('deleteChars', async () => {
const bufferService = new MockBufferService(80, 30);
const inputHandler = new TestInputHandler(
bufferService,
new MockCharsetService(),
new MockCoreService(),
new MockLogService(),
new MockOptionsService(),
new MockOscLinkService(),
new MockCoreMouseService(),
new MockUnicodeService()
);
// insert some data in first and second line
await inputHandler.parseP(Array(bufferService.cols - 9).join('a'));
await inputHandler.parseP('1234567890');
await inputHandler.parseP(Array(bufferService.cols - 9).join('a'));
await inputHandler.parseP('1234567890');
const line1: IBufferLine = bufferService.buffer.lines.get(0)!;
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + '1234567890');
// delete one char from params = [0]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.deleteChars(Params.fromArray([0]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + '234567890 ');
assert.equal(line1.translateToString(true), Array(bufferService.cols - 9).join('a') + '234567890');
// insert one char from params = [1]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.deleteChars(Params.fromArray([1]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + '34567890 ');
assert.equal(line1.translateToString(true), Array(bufferService.cols - 9).join('a') + '34567890');
// insert two chars from params = [2]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.deleteChars(Params.fromArray([2]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + '567890 ');
assert.equal(line1.translateToString(true), Array(bufferService.cols - 9).join('a') + '567890');
// insert 10 chars from params = [10]
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.deleteChars(Params.fromArray([10]));
assert.equal(line1.translateToString(false), Array(bufferService.cols - 9).join('a') + ' ');
assert.equal(line1.translateToString(true), Array(bufferService.cols - 9).join('a'));
});
it('eraseInLine', async () => {
const bufferService = new MockBufferService(80, 30);
const inputHandler = new TestInputHandler(
bufferService,
new MockCharsetService(),
new MockCoreService(),
new MockLogService(),
new MockOptionsService(),
new MockOscLinkService(),
new MockCoreMouseService(),
new MockUnicodeService()
);
// fill 6 lines to test 3 different states
await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// params[0] - right erase
bufferService.buffer.y = 0;
bufferService.buffer.x = 70;
inputHandler.eraseInLine(Params.fromArray([0]));
assert.equal(bufferService.buffer.lines.get(0)!.translateToString(false), Array(71).join('a') + ' ');
// params[1] - left erase
bufferService.buffer.y = 1;
bufferService.buffer.x = 70;
inputHandler.eraseInLine(Params.fromArray([1]));
assert.equal(bufferService.buffer.lines.get(1)!.translateToString(false), Array(71).join(' ') + ' aaaaaaaaa');
// params[1] - left erase
bufferService.buffer.y = 2;
bufferService.buffer.x = 70;
inputHandler.eraseInLine(Params.fromArray([2]));
assert.equal(bufferService.buffer.lines.get(2)!.translateToString(false), Array(bufferService.cols + 1).join(' '));
});
it('eraseInLine reflow', async () => {
const bufferService = new MockBufferService(80, 30);
const inputHandler = new TestInputHandler(
bufferService,
new MockCharsetService(),
new MockCoreService(),
new MockLogService(),
new MockOptionsService(),
new MockOscLinkService(),
new MockCoreMouseService(),
new MockUnicodeService()
);
const resetToBaseState = async (): Promise<void> => {
// reset and add a wrapped line
bufferService.buffer.y = 0;
bufferService.buffer.x = 0;
await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // line 0
await inputHandler.parseP(Array(bufferService.cols + 10).join('a')); // line 1 and 2
for (let i = 3; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// confirm precondition that line 2 is wrapped
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, true);
};
// params[0] - erase from the cursor through the end of the row.
await resetToBaseState();
bufferService.buffer.y = 2;
bufferService.buffer.x = 40;
inputHandler.eraseInLine(Params.fromArray([0]));
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, true);
bufferService.buffer.y = 2;
bufferService.buffer.x = 0;
inputHandler.eraseInLine(Params.fromArray([0]));
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, false);
// params[1] - erase from the beginning of the line through the cursor
await resetToBaseState();
bufferService.buffer.y = 2;
bufferService.buffer.x = 40;
inputHandler.eraseInLine(Params.fromArray([1]));
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, true);
// params[2] - erase complete line
await resetToBaseState();
bufferService.buffer.y = 2;
bufferService.buffer.x = 40;
inputHandler.eraseInLine(Params.fromArray([2]));
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, false);
});
it('eraseInDisplay', async () => {
const bufferService = new MockBufferService(80, 7);
const inputHandler = new TestInputHandler(
bufferService,
new MockCharsetService(),
new MockCoreService(),
new MockLogService(),
new MockOptionsService(),
new MockOscLinkService(),
new MockCoreMouseService(),
new MockUnicodeService()
);
// fill display with a's
for (let i = 0; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// params [0] - right and below erase
bufferService.buffer.y = 5;
bufferService.buffer.x = 40;
inputHandler.eraseInDisplay(Params.fromArray([0]));
assert.deepEqual(termContent(bufferService, false), [
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(40 + 1).join('a') + Array(bufferService.cols - 40 + 1).join(' '),
Array(bufferService.cols + 1).join(' ')
]);
assert.deepEqual(termContent(bufferService, true), [
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(bufferService.cols + 1).join('a'),
Array(40 + 1).join('a'),
''
]);
// reset
bufferService.buffer.y = 0;
bufferService.buffer.x = 0;
for (let i = 0; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// params [1] - left and above
bufferService.buffer.y = 5;
bufferService.buffer.x = 40;
inputHandler.eraseInDisplay(Params.fromArray([1]));
assert.deepEqual(termContent(bufferService, false), [
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(41 + 1).join(' ') + Array(bufferService.cols - 41 + 1).join('a'),
Array(bufferService.cols + 1).join('a')
]);
assert.deepEqual(termContent(bufferService, true), [
'',
'',
'',
'',
'',
Array(41 + 1).join(' ') + Array(bufferService.cols - 41 + 1).join('a'),
Array(bufferService.cols + 1).join('a')
]);
// reset
bufferService.buffer.y = 0;
bufferService.buffer.x = 0;
for (let i = 0; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// params [2] - whole screen
bufferService.buffer.y = 5;
bufferService.buffer.x = 40;
inputHandler.eraseInDisplay(Params.fromArray([2]));
assert.deepEqual(termContent(bufferService, false), [
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' '),
Array(bufferService.cols + 1).join(' ')
]);
assert.deepEqual(termContent(bufferService, true), [
'',
'',
'',
'',
'',
'',
''
]);
// reset and add a wrapped line
bufferService.buffer.y = 0;
bufferService.buffer.x = 0;
await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // line 0
await inputHandler.parseP(Array(bufferService.cols + 10).join('a')); // line 1 and 2
for (let i = 3; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// params[1] left and above with wrap
// confirm precondition that line 2 is wrapped
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, true);
bufferService.buffer.y = 2;
bufferService.buffer.x = 40;
inputHandler.eraseInDisplay(Params.fromArray([1]));
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, false);
// reset and add a wrapped line
bufferService.buffer.y = 0;
bufferService.buffer.x = 0;
await inputHandler.parseP(Array(bufferService.cols + 1).join('a')); // line 0
await inputHandler.parseP(Array(bufferService.cols + 10).join('a')); // line 1 and 2
for (let i = 3; i < bufferService.rows; ++i) await inputHandler.parseP(Array(bufferService.cols + 1).join('a'));
// params[1] left and above with wrap
// confirm precondition that line 2 is wrapped
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, true);
bufferService.buffer.y = 1;
bufferService.buffer.x = 90; // Cursor is beyond last column
inputHandler.eraseInDisplay(Params.fromArray([1]));
assert.equal(bufferService.buffer.lines.get(2)!.isWrapped, false);
});
});
describe('print', () => {
it('should not cause an infinite loop (regression test)', () => {
const inputHandler = new TestInputHandler(
new MockBufferService(80, 30),
new MockCharsetService(),
new MockCoreService(),
new MockLogService(),
new MockOptionsService(),
new MockOscLinkService(),
new MockCoreMouseService(),
new MockUnicodeService()
);
const container = new Uint32Array(10);
container[0] = 0x200B;
inputHandler.print(container, 0, 1);
});
it('should clear cells to the right on early wrap-around', async () => {
bufferService.resize(5, 5);
optionsService.options.scrollback = 1;
await inputHandler.parseP('12345');
bufferService.buffer.x = 0;
await inputHandler.parseP('￥￥￥');
assert.deepEqual(getLines(bufferService, 2), ['￥￥', '￥']);
});
});
describe('alt screen', () => {
let bufferService: IBufferService;
let handler: TestInputHandler;
beforeEach(() => {
bufferService = new MockBufferService(80, 30);
handler = new TestInputHandler(bufferService, new MockCharsetService(), new MockCoreService(), new MockLogService(), new MockOptionsService(), new MockOscLinkService(), new MockCoreMouseService(), new MockUnicodeService());
});
it('should handle DECSET/DECRST 47 (alt screen buffer)', async () => {
await handler.parseP('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST');
assert.equal(bufferService.buffer.translateBufferLineToString(0, true), '');
assert.equal(bufferService.buffer.translateBufferLineToString(1, true), ' TEST');
// Text color of 'TEST' should be red
assert.equal((bufferService.buffer.lines.get(1)!.loadCell(4, new CellData()).getFgColor()), 1);
});
it('should handle DECSET/DECRST 1047 (alt screen buffer)', async () => {
await handler.parseP('\x1b[?1047h\r\n\x1b[31mJUNK\x1b[?1047lTEST');
assert.equal(bufferService.buffer.translateBufferLineToString(0, true), '');
assert.equal(bufferService.buffer.translateBufferLineToString(1, true), ' TEST');
// Text color of 'TEST' should be red
assert.equal((bufferService.buffer.lines.get(1)!.loadCell(4, new CellData()).getFgColor()), 1);
});
it('should handle DECSET/DECRST 1048 (alt screen cursor)', async () => {
await handler.parseP('\x1b[?1048h\r\n\x1b[31mJUNK\x1b[?1048lTEST');
assert.equal(bufferService.buffer.translateBufferLineToString(0, true), 'TEST');
assert.equal(bufferService.buffer.translateBufferLineToString(1, true), 'JUNK');
// Text color of 'TEST' should be default
assert.equal(bufferService.buffer.lines.get(0)!.loadCell(0, new CellData()).fg, DEFAULT_ATTR_DATA.fg);
// Text color of 'JUNK' should be red
assert.equal((bufferService.buffer.lines.get(1)!.loadCell(0, new CellData()).getFgColor()), 1);
});
it('should handle DECSET/DECRST 1049 (alt screen buffer+cursor)', async () => {
await handler.parseP('\x1b[?1049h\r\n\x1b[31mJUNK\x1b[?1049lTEST');
assert.equal(bufferService.buffer.translateBufferLineToString(0, true), 'TEST');
assert.equal(bufferService.buffer.translateBufferLineToString(1, true), '');
// Text color of 'TEST' should be default
assert.equal(bufferService.buffer.lines.get(0)!.loadCell(0, new CellData()).fg, DEFAULT_ATTR_DATA.fg);
});
it('should handle DECSET/DECRST 1049 - maintains saved cursor for alt buffer', async () => {
await handler.parseP('\x1b[?1049h\r\n\x1b[31m\x1b[s\x1b[?1049lTEST');
assert.equal(bufferService.buffer.translateBufferLineToString(0, true), 'TEST');
// Text color of 'TEST' should be default
assert.equal(bufferService.buffer.lines.get(0)!.loadCell(0, new CellData()).fg, DEFAULT_ATTR_DATA.fg);
await handler.parseP('\x1b[?1049h\x1b[uTEST');
assert.equal(bufferService.buffer.translateBufferLineToString(1, true), 'TEST');
// Text color of 'TEST' should be red
assert.equal((bufferService.buffer.lines.get(1)!.loadCell(0, new CellData()).getFgColor()), 1);
});
it('should handle DECSET/DECRST 1049 - clears alt buffer with erase attributes', async () => {
await handler.parseP('\x1b[42m\x1b[?1049h');
// Buffer should be filled with green background
assert.equal(bufferService.buffer.lines.get(20)!.loadCell(10, new CellData()).getBgColor(), 2);
});
});
describe('text attributes', () => {
it('bold', async () => {
await inputHandler.parseP('\x1b[1m');
assert.equal(!!inputHandler.curAttrData.isBold(), true);
await inputHandler.parseP('\x1b[22m');
assert.equal(!!inputHandler.curAttrData.isBold(), false);
});
it('dim', async () => {
await inputHandler.parseP('\x1b[2m');
assert.equal(!!inputHandler.curAttrData.isDim(), true);
await inputHandler.parseP('\x1b[22m');
assert.equal(!!inputHandler.curAttrData.isDim(), false);
});
it('italic', async () => {
await inputHandler.parseP('\x1b[3m');
assert.equal(!!inputHandler.curAttrData.isItalic(), true);
await inputHandler.parseP('\x1b[23m');
assert.equal(!!inputHandler.curAttrData.isItalic(), false);
});
it('underline', async () => {
await inputHandler.parseP('\x1b[4m');
assert.equal(!!inputHandler.curAttrData.isUnderline(), true);
await inputHandler.parseP('\x1b[24m');
assert.equal(!!inputHandler.curAttrData.isUnderline(), false);
});
it('blink', async () => {
await inputHandler.parseP('\x1b[5m');
assert.equal(!!inputHandler.curAttrData.isBlink(), true);
await inputHandler.parseP('\x1b[25m');
assert.equal(!!inputHandler.curAttrData.isBlink(), false);
});
it('inverse', async () => {
await inputHandler.parseP('\x1b[7m');
assert.equal(!!inputHandler.curAttrData.isInverse(), true);
await inputHandler.parseP('\x1b[27m');
assert.equal(!!inputHandler.curAttrData.isInverse(), false);
});
it('invisible', async () => {
await inputHandler.parseP('\x1b[8m');
assert.equal(!!inputHandler.curAttrData.isInvisible(), true);
await inputHandler.parseP('\x1b[28m');
assert.equal(!!inputHandler.curAttrData.isInvisible(), false);
});
it('strikethrough', async () => {
await inputHandler.parseP('\x1b[9m');
assert.equal(!!inputHandler.curAttrData.isStrikethrough(), true);
await inputHandler.parseP('\x1b[29m');
assert.equal(!!inputHandler.curAttrData.isStrikethrough(), false);
});
it('colormode palette 16', async () => {
assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); // DEFAULT
assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); // DEFAULT
// lower 8 colors
for (let i = 0; i < 8; ++i) {
await inputHandler.parseP(`\x1b[${i + 30};${i + 40}m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P16);
assert.equal(inputHandler.curAttrData.getFgColor(), i);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P16);
assert.equal(inputHandler.curAttrData.getBgColor(), i);
}
// reset to DEFAULT
await inputHandler.parseP(`\x1b[39;49m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), 0);
assert.equal(inputHandler.curAttrData.getBgColorMode(), 0);
});
it('colormode palette 256', async () => {
assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); // DEFAULT
assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); // DEFAULT
// lower 8 colors
for (let i = 0; i < 256; ++i) {
await inputHandler.parseP(`\x1b[38;5;${i};48;5;${i}m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P256);
assert.equal(inputHandler.curAttrData.getFgColor(), i);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P256);
assert.equal(inputHandler.curAttrData.getBgColor(), i);
}
// reset to DEFAULT
await inputHandler.parseP(`\x1b[39;49m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), 0);
assert.equal(inputHandler.curAttrData.getFgColor(), -1);
assert.equal(inputHandler.curAttrData.getBgColorMode(), 0);
assert.equal(inputHandler.curAttrData.getBgColor(), -1);
});
it('colormode RGB', async () => {
assert.equal(inputHandler.curAttrData.getFgColorMode(), 0); // DEFAULT
assert.equal(inputHandler.curAttrData.getBgColorMode(), 0); // DEFAULT
await inputHandler.parseP(`\x1b[38;2;1;2;3;48;2;4;5;6m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_RGB);
assert.equal(inputHandler.curAttrData.getFgColor(), 1 << 16 | 2 << 8 | 3);
assert.deepEqual(AttributeData.toColorRGB(inputHandler.curAttrData.getFgColor()), [1, 2, 3]);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_RGB);
assert.deepEqual(AttributeData.toColorRGB(inputHandler.curAttrData.getBgColor()), [4, 5, 6]);
// reset to DEFAULT
await inputHandler.parseP(`\x1b[39;49m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), 0);
assert.equal(inputHandler.curAttrData.getFgColor(), -1);
assert.equal(inputHandler.curAttrData.getBgColorMode(), 0);
assert.equal(inputHandler.curAttrData.getBgColor(), -1);
});
it('colormode transition RGB to 256', async () => {
// enter RGB for FG and BG
await inputHandler.parseP(`\x1b[38;2;1;2;3;48;2;4;5;6m`);
// enter 256 for FG and BG
await inputHandler.parseP(`\x1b[38;5;255;48;5;255m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P256);
assert.equal(inputHandler.curAttrData.getFgColor(), 255);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P256);
assert.equal(inputHandler.curAttrData.getBgColor(), 255);
});
it('colormode transition RGB to 16', async () => {
// enter RGB for FG and BG
await inputHandler.parseP(`\x1b[38;2;1;2;3;48;2;4;5;6m`);
// enter 16 for FG and BG
await inputHandler.parseP(`\x1b[37;47m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P16);
assert.equal(inputHandler.curAttrData.getFgColor(), 7);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P16);
assert.equal(inputHandler.curAttrData.getBgColor(), 7);
});
it('colormode transition 16 to 256', async () => {
// enter 16 for FG and BG
await inputHandler.parseP(`\x1b[37;47m`);
// enter 256 for FG and BG
await inputHandler.parseP(`\x1b[38;5;255;48;5;255m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P256);
assert.equal(inputHandler.curAttrData.getFgColor(), 255);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P256);
assert.equal(inputHandler.curAttrData.getBgColor(), 255);
});
it('colormode transition 256 to 16', async () => {
// enter 256 for FG and BG
await inputHandler.parseP(`\x1b[38;5;255;48;5;255m`);
// enter 16 for FG and BG
await inputHandler.parseP(`\x1b[37;47m`);
assert.equal(inputHandler.curAttrData.getFgColorMode(), Attributes.CM_P16);
assert.equal(inputHandler.curAttrData.getFgColor(), 7);
assert.equal(inputHandler.curAttrData.getBgColorMode(), Attributes.CM_P16);
assert.equal(inputHandler.curAttrData.getBgColor(), 7);
});
it('should zero missing RGB values', async () => {
await inputHandler.parseP(`\x1b[38;2;1;2;3m`);
await inputHandler.parseP(`\x1b[38;2;5m`);
assert.deepEqual(AttributeData.toColorRGB(inputHandler.curAttrData.getFgColor()), [5, 0, 0]);
});
});
describe('colon notation', () => {
let inputHandler2: TestInputHandler;
beforeEach(() => {
inputHandler2 = new TestInputHandler(bufferService, new MockCharsetService(), coreService, new MockLogService(), optionsService, new MockOscLinkService(), new MockCoreMouseService(), new MockUnicodeService());
});
describe('should equal to semicolon', () => {
it('CSI 38:2::50:100:150 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;50;100;150m');
await inputHandler.parseP('\x1b[38:2::50:100:150m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38:2::50:100: m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;50;100;m');
await inputHandler.parseP('\x1b[38:2::50:100:m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38:2::50:: m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;50;;m');
await inputHandler.parseP('\x1b[38:2::50::m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 0 << 8 | 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38:2:::: m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;;;m');
await inputHandler.parseP('\x1b[38:2::::m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0 << 16 | 0 << 8 | 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38;2::50:100:150 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;50;100;150m');
await inputHandler.parseP('\x1b[38;2::50:100:150m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38;2;50:100:150 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;50;100;150m');
await inputHandler.parseP('\x1b[38;2;50:100:150m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38;2;50;100:150 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2;50;100;150m');
await inputHandler.parseP('\x1b[38;2;50;100:150m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38:5:50 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;5;50m');
await inputHandler.parseP('\x1b[38:5:50m');
assert.equal(inputHandler2.curAttrData.fg & 0xFF, 50);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38:5: m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;5;m');
await inputHandler.parseP('\x1b[38:5:m');
assert.equal(inputHandler2.curAttrData.fg & 0xFF, 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38;5:50 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;5;50m');
await inputHandler.parseP('\x1b[38;5:50m');
assert.equal(inputHandler2.curAttrData.fg & 0xFF, 50);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
});
describe('should fill early sequence end with default of 0', () => {
it('CSI 38:2 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;2m');
await inputHandler.parseP('\x1b[38:2m');
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0 << 16 | 0 << 8 | 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 38:5 m', async () => {
inputHandler.curAttrData.fg = 0xFFFFFFFF;
inputHandler2.curAttrData.fg = 0xFFFFFFFF;
await inputHandler2.parseP('\x1b[38;5m');
await inputHandler.parseP('\x1b[38:5m');
assert.equal(inputHandler2.curAttrData.fg & 0xFF, 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
});
describe('should not interfere with leading/following SGR attrs', () => {
it('CSI 1 ; 38:2::50:100:150 ; 4 m', async () => {
await inputHandler2.parseP('\x1b[1;38;2;50;100;150;4m');
await inputHandler.parseP('\x1b[1;38:2::50:100:150;4m');
assert.equal(!!inputHandler2.curAttrData.isBold(), true);
assert.equal(!!inputHandler2.curAttrData.isUnderline(), true);
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 150);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 1 ; 38:2::50:100: ; 4 m', async () => {
await inputHandler2.parseP('\x1b[1;38;2;50;100;;4m');
await inputHandler.parseP('\x1b[1;38:2::50:100:;4m');
assert.equal(!!inputHandler2.curAttrData.isBold(), true);
assert.equal(!!inputHandler2.curAttrData.isUnderline(), true);
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 1 ; 38:2::50:100 ; 4 m', async () => {
await inputHandler2.parseP('\x1b[1;38;2;50;100;;4m');
await inputHandler.parseP('\x1b[1;38:2::50:100;4m');
assert.equal(!!inputHandler2.curAttrData.isBold(), true);
assert.equal(!!inputHandler2.curAttrData.isUnderline(), true);
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 50 << 16 | 100 << 8 | 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 1 ; 38:2:: ; 4 m', async () => {
await inputHandler2.parseP('\x1b[1;38;2;;;;4m');
await inputHandler.parseP('\x1b[1;38:2::;4m');
assert.equal(!!inputHandler2.curAttrData.isBold(), true);
assert.equal(!!inputHandler2.curAttrData.isUnderline(), true);
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
it('CSI 1 ; 38;2:: ; 4 m', async () => {
await inputHandler2.parseP('\x1b[1;38;2;;;;4m');
await inputHandler.parseP('\x1b[1;38;2::;4m');
assert.equal(!!inputHandler2.curAttrData.isBold(), true);
assert.equal(!!inputHandler2.curAttrData.isUnderline(), true);
assert.equal(inputHandler2.curAttrData.fg & 0xFFFFFF, 0);
assert.equal(inputHandler.curAttrData.fg, inputHandler2.curAttrData.fg);
});
});
});
describe('cursor positioning', () => {
beforeEach(() => {
bufferService.resize(10, 10);
});
it('cursor forward (CUF)', async () => {
await inputHandler.parseP('\x1b[C');
assert.deepEqual(getCursor(bufferService), [1, 0]);
await inputHandler.parseP('\x1b[1C');
assert.deepEqual(getCursor(bufferService), [2, 0]);
await inputHandler.parseP('\x1b[4C');
assert.deepEqual(getCursor(bufferService), [6, 0]);
await inputHandler.parseP('\x1b[100C');
assert.deepEqual(getCursor(bufferService), [9, 0]);
// should not change y
bufferService.buffer.x = 8;
bufferService.buffer.y = 4;
await inputHandler.parseP('\x1b[C');
assert.deepEqual(getCursor(bufferService), [9, 4]);
});
it('cursor backward (CUB)', async () => {
await inputHandler.parseP('\x1b[D');
assert.deepEqual(getCursor(bufferService), [0, 0]);
await inputHandler.parseP('\x1b[1D');
assert.deepEqual(getCursor(bufferService), [0, 0]);
// place cursor at end of first line
await inputHandler.parseP('\x1b[100C');
await inputHandler.parseP('\x1b[D');
assert.deepEqual(getCursor(bufferService), [8, 0]);
await inputHandler.parseP('\x1b[1D');
assert.deepEqual(getCursor(bufferService), [7, 0]);
await inputHandler.parseP('\x1b[4D');
assert.deepEqual(getCursor(bufferService), [3, 0]);
await inputHandler.parseP('\x1b[100D');
assert.deepEqual(getCursor(bufferService), [0, 0]);
// should not change y
bufferService.buffer.x = 4;
bufferService.buffer.y = 4;
await inputHandler.parseP('\x1b[D');
assert.deepEqual(getCursor(bufferService), [3, 4]);
});
it('cursor down (CUD)', async () => {
await inputHandler.parseP('\x1b[B');
assert.deepEqual(getCursor(bufferService), [0, 1]);
await inputHandler.parseP('\x1b[1B');
assert.deepEqual(getCursor(bufferService), [0, 2]);
await inputHandler.parseP('\x1b[4B');
assert.deepEqual(getCursor(bufferService), [0, 6]);
await inputHandler.parseP('\x1b[100B');
assert.deepEqual(getCursor(bufferService), [0, 9]);
// should not change x
bufferService.buffer.x = 8;
bufferService.buffer.y = 0;
await inputHandler.parseP('\x1b[B');
assert.deepEqual(getCursor(bufferService), [8, 1]);
});
it('cursor up (CUU)', async () => {
await inputHandler.parseP('\x1b[A');
assert.deepEqual(getCursor(bufferService), [0, 0]);
await inputHandler.parseP('\x1b[1A');
assert.deepEqual(getCursor(bufferService), [0, 0]);