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xterm.js/src/SelectionManager.test.ts
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Daniel Imms 338558d86c Make Terminal API properties readonly 
Fixes #1867
2018-12-31 20:09:48 -08:00

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/**
* Copyright (c) 2017 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { assert } from 'chai';
import { CharMeasure } from './ui/CharMeasure';
import { SelectionManager, SelectionMode } from './SelectionManager';
import { SelectionModel } from './SelectionModel';
import { BufferSet } from './BufferSet';
import { ITerminal, IBuffer, IBufferLine } from './Types';
import { MockTerminal } from './ui/TestUtils.test';
import { BufferLine } from './BufferLine';
class TestMockTerminal extends MockTerminal {
emit(event: string, data: any): void {}
}
class TestSelectionManager extends SelectionManager {
constructor(
terminal: ITerminal,
charMeasure: CharMeasure
) {
super(terminal, charMeasure);
}
public get model(): SelectionModel { return this._model; }
public set selectionMode(mode: SelectionMode) { this._activeSelectionMode = mode; }
public selectLineAt(line: number): void { this._selectLineAt(line); }
public selectWordAt(coords: [number, number]): void { this._selectWordAt(coords, true); }
public areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean { return this._areCoordsInSelection(coords, start, end); }
// Disable DOM interaction
public enable(): void {}
public disable(): void {}
public refresh(): void {}
}
describe('SelectionManager', () => {
let terminal: ITerminal;
let buffer: IBuffer;
let selectionManager: TestSelectionManager;
beforeEach(() => {
terminal = new TestMockTerminal();
(terminal as any).cols = 80;
(terminal as any).rows = 2;
terminal.options.scrollback = 100;
terminal.buffers = new BufferSet(terminal);
terminal.buffer = terminal.buffers.active;
buffer = terminal.buffer;
selectionManager = new TestSelectionManager(terminal, null);
});
function stringToRow(text: string): IBufferLine {
const result = new BufferLine(text.length);
for (let i = 0; i < text.length; i++) {
result.set(i, [0, text.charAt(i), 1, text.charCodeAt(i)]);
}
return result;
}
function stringArrayToRow(chars: string[]): IBufferLine {
const line = new BufferLine(chars.length);
chars.map((c, idx) => line.set(idx, [0, c, 1, c.charCodeAt(0)]));
return line;
}
describe('_selectWordAt', () => {
it('should expand selection for normal width chars', () => {
buffer.lines.set(0, stringToRow('foo bar'));
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, 'bar');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'bar');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'bar');
});
it('should expand selection for whitespace', () => {
buffer.lines.set(0, stringToRow('a b'));
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, 'a');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, 'b');
});
it('should expand selection for wide characters', () => {
// Wide characters use a special format
const data: [number, string, number, number][] = [
[null, '中', 2, '中'.charCodeAt(0)],
[null, '', 0, null],
[null, '文', 2, '文'.charCodeAt(0)],
[null, '', 0, null],
[null, ' ', 1, ' '.charCodeAt(0)],
[null, 'a', 1, 'a'.charCodeAt(0)],
[null, '中', 2, '中'.charCodeAt(0)],
[null, '', 0, null],
[null, '文', 2, '文'.charCodeAt(0)],
[null, '', 0, ''.charCodeAt(0)],
[null, 'b', 1, 'b'.charCodeAt(0)],
[null, ' ', 1, ' '.charCodeAt(0)],
[null, 'f', 1, 'f'.charCodeAt(0)],
[null, 'o', 1, 'o'.charCodeAt(0)],
[null, 'o', 1, 'o'.charCodeAt(0)]
];
const line = new BufferLine(data.length);
for (let i = 0; i < data.length; ++i) line.set(i, data[i]);
buffer.lines.set(0, line);
// Ensure wide characters take up 2 columns
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, ' ');
// Ensure wide characters work when wrapped in normal width characters
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([7, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([8, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([9, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([10, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([11, 0]);
assert.equal(selectionManager.selectionText, ' ');
// Ensure normal width characters work fine in a line containing wide characters
selectionManager.selectWordAt([12, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([13, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([14, 0]);
assert.equal(selectionManager.selectionText, 'foo');
});
it('should select up to non-path characters that are commonly adjacent to paths', () => {
buffer.lines.set(0, stringToRow('(cd)[ef]{gh}\'ij"'));
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, '(cd');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, 'cd');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, 'cd');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, 'cd)');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, '[ef');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'ef');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'ef');
selectionManager.selectWordAt([7, 0]);
assert.equal(selectionManager.selectionText, 'ef]');
selectionManager.selectWordAt([8, 0]);
assert.equal(selectionManager.selectionText, '{gh');
selectionManager.selectWordAt([9, 0]);
assert.equal(selectionManager.selectionText, 'gh');
selectionManager.selectWordAt([10, 0]);
assert.equal(selectionManager.selectionText, 'gh');
selectionManager.selectWordAt([11, 0]);
assert.equal(selectionManager.selectionText, 'gh}');
selectionManager.selectWordAt([12, 0]);
assert.equal(selectionManager.selectionText, '\'ij');
selectionManager.selectWordAt([13, 0]);
assert.equal(selectionManager.selectionText, 'ij');
selectionManager.selectWordAt([14, 0]);
assert.equal(selectionManager.selectionText, 'ij');
selectionManager.selectWordAt([15, 0]);
assert.equal(selectionManager.selectionText, 'ij"');
});
it('should expand upwards or downards for wrapped lines', () => {
buffer.lines.set(0, stringToRow(' foo'));
buffer.lines.set(1, stringToRow('bar '));
buffer.lines.get(1).isWrapped = true;
selectionManager.selectWordAt([1, 1]);
assert.equal(selectionManager.selectionText, 'foobar');
selectionManager.model.clearSelection();
selectionManager.selectWordAt([78, 0]);
assert.equal(selectionManager.selectionText, 'foobar');
});
it('should expand both upwards and downwards for word wrapped over many lines', () => {
const expectedText = 'fooaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccbar';
buffer.lines.set(0, stringToRow(' foo'));
buffer.lines.set(1, stringToRow('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'));
buffer.lines.set(2, stringToRow('bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb'));
buffer.lines.set(3, stringToRow('cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc'));
buffer.lines.set(4, stringToRow('bar '));
buffer.lines.get(1).isWrapped = true;
buffer.lines.get(2).isWrapped = true;
buffer.lines.get(3).isWrapped = true;
buffer.lines.get(4).isWrapped = true;
selectionManager.selectWordAt([78, 0]);
assert.equal(selectionManager.selectionText, expectedText);
selectionManager.model.clearSelection();
selectionManager.selectWordAt([40, 1]);
assert.equal(selectionManager.selectionText, expectedText);
selectionManager.model.clearSelection();
selectionManager.selectWordAt([40, 2]);
assert.equal(selectionManager.selectionText, expectedText);
selectionManager.model.clearSelection();
selectionManager.selectWordAt([40, 3]);
assert.equal(selectionManager.selectionText, expectedText);
selectionManager.model.clearSelection();
selectionManager.selectWordAt([1, 4]);
assert.equal(selectionManager.selectionText, expectedText);
});
describe('emoji', () => {
it('should treat a single emoji as a word when wrapped in spaces', () => {
buffer.lines.set(0, stringToRow(' ⚽ a')); // The a is here to prevent the space being trimmed in selectionText
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '⚽');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, ' ');
});
it('should treat multiple emojis as a word when wrapped in spaces', () => {
buffer.lines.set(0, stringToRow(' ⚽⚽ a')); // The a is here to prevent the space being trimmed in selectionText
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '⚽⚽');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, '⚽⚽');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, ' ');
});
it('should treat emojis using the zero-width-joiner as a single word', () => {
// Note that the first 3 emojis include the invisible ZWJ char
buffer.lines.set(0, stringArrayToRow([
' ', '👨‍', '👩‍', '👧‍', '👦', ' ', 'a'
])); // The a is here to prevent the space being trimmed in selectionText
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, ' ');
// ZWJ emojis do not combine in the terminal so the family emoji used here consumed 4 cells
// The selection text should retain ZWJ chars despite not combining on the terminal
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '👨‍👩‍👧‍👦');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, '👨‍👩‍👧‍👦');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, '👨‍👩‍👧‍👦');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, '👨‍👩‍👧‍👦');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, ' ');
});
it('should treat emojis and characters joined together as a word', () => {
buffer.lines.set(0, stringToRow(' ⚽ab cd⚽ ef⚽gh')); // The a is here to prevent the space being trimmed in selectionText
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '⚽ab');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, '⚽ab');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, '⚽ab');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'cd⚽');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'cd⚽');
selectionManager.selectWordAt([7, 0]);
assert.equal(selectionManager.selectionText, 'cd⚽');
selectionManager.selectWordAt([8, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([9, 0]);
assert.equal(selectionManager.selectionText, 'ef⚽gh');
selectionManager.selectWordAt([10, 0]);
assert.equal(selectionManager.selectionText, 'ef⚽gh');
selectionManager.selectWordAt([11, 0]);
assert.equal(selectionManager.selectionText, 'ef⚽gh');
selectionManager.selectWordAt([12, 0]);
assert.equal(selectionManager.selectionText, 'ef⚽gh');
selectionManager.selectWordAt([13, 0]);
assert.equal(selectionManager.selectionText, 'ef⚽gh');
});
it('should treat complex emojis and characters joined together as a word', () => {
// This emoji is the flag for England and is made up of: 1F3F4 E0067 E0062 E0065 E006E E0067 E007F
buffer.lines.set(0, stringArrayToRow([
' ', '🏴󠁧󠁢󠁥󠁮󠁧󠁿', 'a', 'b', ' ', 'c', 'd', '🏴󠁧󠁢󠁥󠁮󠁧󠁿', ' ', 'e', 'f', '🏴󠁧󠁢󠁥󠁮󠁧󠁿', 'g', 'h', ' ', 'a'
])); // The a is here to prevent the space being trimmed in selectionText
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '🏴󠁧󠁢󠁥󠁮󠁧󠁿ab');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, '🏴󠁧󠁢󠁥󠁮󠁧󠁿ab');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, '🏴󠁧󠁢󠁥󠁮󠁧󠁿ab');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'cd🏴󠁧󠁢󠁥󠁮󠁧󠁿');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'cd🏴󠁧󠁢󠁥󠁮󠁧󠁿');
selectionManager.selectWordAt([7, 0]);
assert.equal(selectionManager.selectionText, 'cd🏴󠁧󠁢󠁥󠁮󠁧󠁿');
selectionManager.selectWordAt([8, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([9, 0]);
assert.equal(selectionManager.selectionText, 'ef🏴󠁧󠁢󠁥󠁮󠁧󠁿gh');
selectionManager.selectWordAt([10, 0]);
assert.equal(selectionManager.selectionText, 'ef🏴󠁧󠁢󠁥󠁮󠁧󠁿gh');
selectionManager.selectWordAt([11, 0]);
assert.equal(selectionManager.selectionText, 'ef🏴󠁧󠁢󠁥󠁮󠁧󠁿gh');
selectionManager.selectWordAt([12, 0]);
assert.equal(selectionManager.selectionText, 'ef🏴󠁧󠁢󠁥󠁮󠁧󠁿gh');
selectionManager.selectWordAt([13, 0]);
assert.equal(selectionManager.selectionText, 'ef🏴󠁧󠁢󠁥󠁮󠁧󠁿gh');
});
});
});
describe('_selectLineAt', () => {
it('should select the entire line', () => {
buffer.lines.set(0, stringToRow('foo bar'));
selectionManager.selectLineAt(0);
assert.equal(selectionManager.selectionText, 'foo bar', 'The selected text is correct');
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 0], 'The actual selection spans the entire column');
});
it('should select the entire wrapped line', () => {
buffer.lines.set(0, stringToRow('foo'));
const line2 = stringToRow('bar');
line2.isWrapped = true;
buffer.lines.set(1, line2);
selectionManager.selectLineAt(0);
assert.equal(selectionManager.selectionText, 'foobar', 'The selected text is correct');
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 1], 'The actual selection spans the entire column');
});
});
describe('selectAll', () => {
it('should select the entire buffer, beyond the viewport', () => {
buffer.lines.length = 5;
buffer.lines.set(0, stringToRow('1'));
buffer.lines.set(1, stringToRow('2'));
buffer.lines.set(2, stringToRow('3'));
buffer.lines.set(3, stringToRow('4'));
buffer.lines.set(4, stringToRow('5'));
selectionManager.selectAll();
terminal.buffer.ybase = buffer.lines.length - terminal.rows;
assert.equal(selectionManager.selectionText, '1\n2\n3\n4\n5');
});
});
describe('selectLines', () => {
it('should select a single line', () => {
buffer.lines.length = 3;
buffer.lines.set(0, stringToRow('1'));
buffer.lines.set(1, stringToRow('2'));
buffer.lines.set(2, stringToRow('3'));
selectionManager.selectLines(1, 1);
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 1]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 1]);
});
it('should select multiple lines', () => {
buffer.lines.length = 5;
buffer.lines.set(0, stringToRow('1'));
buffer.lines.set(1, stringToRow('2'));
buffer.lines.set(2, stringToRow('3'));
buffer.lines.set(3, stringToRow('4'));
buffer.lines.set(4, stringToRow('5'));
selectionManager.selectLines(1, 3);
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 1]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 3]);
});
it('should select the to the start when requesting a negative row', () => {
buffer.lines.length = 2;
buffer.lines.set(0, stringToRow('1'));
buffer.lines.set(1, stringToRow('2'));
selectionManager.selectLines(-1, 0);
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 0]);
});
it('should select the to the end when requesting beyond the final row', () => {
buffer.lines.length = 2;
buffer.lines.set(0, stringToRow('1'));
buffer.lines.set(1, stringToRow('2'));
selectionManager.selectLines(1, 2);
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 1]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 1]);
});
});
describe('hasSelection', () => {
it('should return whether there is a selection', () => {
selectionManager.model.selectionStart = [0, 0];
selectionManager.model.selectionStartLength = 0;
assert.equal(selectionManager.hasSelection, false);
selectionManager.model.selectionEnd = [0, 0];
assert.equal(selectionManager.hasSelection, false);
selectionManager.model.selectionEnd = [1, 0];
assert.equal(selectionManager.hasSelection, true);
selectionManager.model.selectionEnd = [0, 1];
assert.equal(selectionManager.hasSelection, true);
selectionManager.model.selectionEnd = [1, 1];
assert.equal(selectionManager.hasSelection, true);
});
});
describe('column selection', () => {
it('should select a column of text', () => {
buffer.lines.length = 3;
buffer.lines.set(0, stringToRow('abcdefghij'));
buffer.lines.set(1, stringToRow('klmnopqrst'));
buffer.lines.set(2, stringToRow('uvwxyz'));
selectionManager.selectionMode = SelectionMode.COLUMN;
selectionManager.model.selectionStart = [2, 0];
selectionManager.model.selectionEnd = [4, 2];
assert.equal(selectionManager.selectionText, 'cd\nmn\nwx');
});
it('should select a column of text without chopping up double width characters', () => {
buffer.lines.length = 3;
buffer.lines.set(0, stringToRow('a'));
buffer.lines.set(1, stringToRow('語'));
buffer.lines.set(2, stringToRow('b'));
selectionManager.selectionMode = SelectionMode.COLUMN;
selectionManager.model.selectionStart = [0, 0];
selectionManager.model.selectionEnd = [1, 2];
assert.equal(selectionManager.selectionText, 'a\n語\nb');
});
it('should select a column of text with single character emojis', () => {
buffer.lines.length = 3;
buffer.lines.set(0, stringToRow('a'));
buffer.lines.set(1, stringToRow('☃'));
buffer.lines.set(2, stringToRow('c'));
selectionManager.selectionMode = SelectionMode.COLUMN;
selectionManager.model.selectionStart = [0, 0];
selectionManager.model.selectionEnd = [1, 2];
assert.equal(selectionManager.selectionText, 'a\n☃\nc');
});
it('should select a column of text with double character emojis', () => {
// TODO the case this is testing works for me in the demo webapp,
// but doing it programmatically fails.
buffer.lines.length = 3;
buffer.lines.set(0, stringToRow('a '));
buffer.lines.set(1, stringArrayToRow(['😁', ' ']));
buffer.lines.set(2, stringToRow('c '));
selectionManager.selectionMode = SelectionMode.COLUMN;
selectionManager.model.selectionStart = [0, 0];
selectionManager.model.selectionEnd = [1, 2];
assert.equal(selectionManager.selectionText, 'a\n😁\nc');
});
});
describe('_areCoordsInSelection', () => {
it('should return whether coords are in the selection', () => {
assert.isFalse(selectionManager.areCoordsInSelection([0, 0], [2, 0], [2, 1]));
assert.isFalse(selectionManager.areCoordsInSelection([1, 0], [2, 0], [2, 1]));
assert.isTrue(selectionManager.areCoordsInSelection([2, 0], [2, 0], [2, 1]));
assert.isTrue(selectionManager.areCoordsInSelection([10, 0], [2, 0], [2, 1]));
assert.isTrue(selectionManager.areCoordsInSelection([0, 1], [2, 0], [2, 1]));
assert.isTrue(selectionManager.areCoordsInSelection([1, 1], [2, 0], [2, 1]));
assert.isFalse(selectionManager.areCoordsInSelection([2, 1], [2, 0], [2, 1]));
});
});
});
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