fix #117300.
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c257135247
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2 changed files with 34 additions and 1 deletions
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@ -32,7 +32,7 @@ export class NotebookCellSelectionCollection extends Disposable {
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private _primary: ICellRange | null = null;
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private _selections: ICellRange[] = [];
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private _selections: ICellRange[] = [{ start: 0, end: 0 }];
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get selections(): ICellRange[] {
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return this._selections;
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@ -0,0 +1,33 @@
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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 * as assert from 'assert';
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import { NotebookCellSelectionCollection } from 'vs/workbench/contrib/notebook/browser/viewModel/cellSelectionCollection';
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suite('NotebookSelection', () => {
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test('selection is never empty', function () {
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const selectionCollection = new NotebookCellSelectionCollection();
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assert.deepStrictEqual(selectionCollection.selections, [{ start: 0, end: 0 }]);
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selectionCollection.setState(null, [], true);
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assert.deepStrictEqual(selectionCollection.selections, [{ start: 0, end: 0 }]);
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});
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test('selections[0] is primary selection', function () {
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const selectionCollection = new NotebookCellSelectionCollection();
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selectionCollection.setState(null, [{ start: 0, end: 1 }, { start: 3, end: 5 }], true);
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assert.deepStrictEqual(selectionCollection.selection, { start: 0, end: 1 });
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assert.deepStrictEqual(selectionCollection.selections, [{ start: 0, end: 1 }, { start: 3, end: 5 }]);
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selectionCollection.setState({ start: 0, end: 1 }, [{ start: 3, end: 5 }], true);
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assert.deepStrictEqual(selectionCollection.selection, { start: 0, end: 1 });
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assert.deepStrictEqual(selectionCollection.selections, [{ start: 0, end: 1 }, { start: 3, end: 5 }]);
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selectionCollection.setState({ start: 0, end: 1 }, [], true);
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assert.deepStrictEqual(selectionCollection.selection, { start: 0, end: 1 });
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assert.deepStrictEqual(selectionCollection.selections, [{ start: 0, end: 1 }]);
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});
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});
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