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microsoft
GitHub Repository: microsoft/vscode
 Path: blob/main/src/vs/editor/test/common/model/linesTextBuffer/linesTextBufferBuilder.test.ts
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/*---------------------------------------------------------------------------------------------

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 *  Copyright (c) Microsoft Corporation. All rights reserved.

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 *  Licensed under the MIT License. See License.txt in the project root for license information.

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 *--------------------------------------------------------------------------------------------*/

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import assert from 'assert';

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import * as strings from '../../../../../base/common/strings.js';

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import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../../base/test/common/utils.js';

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import { DefaultEndOfLine } from '../../../../common/model.js';

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import { createTextBufferFactory } from '../../../../common/model/textModel.js';

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function testTextBufferFactory(text: string, eol: string, mightContainNonBasicASCII: boolean, mightContainRTL: boolean): void {

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	const { disposable, textBuffer } = createTextBufferFactory(text).create(DefaultEndOfLine.LF);

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	assert.strictEqual(textBuffer.mightContainNonBasicASCII(), mightContainNonBasicASCII);

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	assert.strictEqual(textBuffer.mightContainRTL(), mightContainRTL);

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	assert.strictEqual(textBuffer.getEOL(), eol);

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	disposable.dispose();

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}

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suite('ModelBuilder', () => {

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	ensureNoDisposablesAreLeakedInTestSuite();

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	test('t1', () => {

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		testTextBufferFactory('', '\n', false, false);

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	});

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	test('t2', () => {

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		testTextBufferFactory('Hello world', '\n', false, false);

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	});

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	test('t3', () => {

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		testTextBufferFactory('Hello world\nHow are you?', '\n', false, false);

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	});

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	test('t4', () => {

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		testTextBufferFactory('Hello world\nHow are you?\nIs everything good today?\nDo you enjoy the weather?', '\n', false, false);

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	});

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	test('carriage return detection (1 \\r\\n 2 \\n)', () => {

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		testTextBufferFactory('Hello world\r\nHow are you?\nIs everything good today?\nDo you enjoy the weather?', '\n', false, false);

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	});

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	test('carriage return detection (2 \\r\\n 1 \\n)', () => {

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		testTextBufferFactory('Hello world\r\nHow are you?\r\nIs everything good today?\nDo you enjoy the weather?', '\r\n', false, false);

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	});

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	test('carriage return detection (3 \\r\\n 0 \\n)', () => {

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		testTextBufferFactory('Hello world\r\nHow are you?\r\nIs everything good today?\r\nDo you enjoy the weather?', '\r\n', false, false);

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	});

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	test('BOM handling', () => {

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		testTextBufferFactory(strings.UTF8_BOM_CHARACTER + 'Hello world!', '\n', false, false);

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	});

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	test('RTL handling 2', () => {

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		testTextBufferFactory('Hello world!זוהי עובדה מבוססת שדעתו', '\n', true, true);

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	});

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	test('RTL handling 3', () => {

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		testTextBufferFactory('Hello world!זוהי \nעובדה מבוססת שדעתו', '\n', true, true);

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	});

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	test('ASCII handling 1', () => {

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		testTextBufferFactory('Hello world!!\nHow do you do?', '\n', false, false);

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	});

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	test('ASCII handling 2', () => {

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		testTextBufferFactory('Hello world!!\nHow do you do?Züricha📚📚b', '\n', true, false);

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	});

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});

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