editStack.test.ts

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import assert from 'assert';
import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js';
import { Selection } from '../../../common/core/selection.js';
import { TextChange } from '../../../common/core/textChange.js';
import { EndOfLineSequence } from '../../../common/model.js';
import { SingleModelEditStackData } from '../../../common/model/editStack.js';

suite('EditStack', () => {

	ensureNoDisposablesAreLeakedInTestSuite();

	test('issue #118041: unicode character undo bug', () => {
		const stackData = new SingleModelEditStackData(
			1,
			2,
			EndOfLineSequence.LF,
			EndOfLineSequence.LF,
			[new Selection(10, 2, 10, 2)],
			[new Selection(10, 1, 10, 1)],
			[new TextChange(428, '', 428, '')]
		);

		const buff = stackData.serialize();
		const actual = SingleModelEditStackData.deserialize(buff);

		assert.deepStrictEqual(actual, stackData);
	});

});