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microsoft
GitHub Repository: microsoft/vscode
 Path: blob/main/src/vs/editor/test/common/view/overviewZoneManager.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 { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js';

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import { ColorZone, OverviewRulerZone, OverviewZoneManager } from '../../../common/viewModel/overviewZoneManager.js';

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suite('Editor View - OverviewZoneManager', () => {

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	ensureNoDisposablesAreLeakedInTestSuite();

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	test('pixel ratio 1, dom height 600', () => {

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		const LINE_COUNT = 50;

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		const LINE_HEIGHT = 20;

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		const manager = new OverviewZoneManager((lineNumber) => LINE_HEIGHT * lineNumber);

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		manager.setDOMWidth(30);

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		manager.setDOMHeight(600);

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		manager.setOuterHeight(LINE_COUNT * LINE_HEIGHT);

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		manager.setLineHeight(LINE_HEIGHT);

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		manager.setPixelRatio(1);

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		manager.setZones([

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			new OverviewRulerZone(1, 1, 0, '1'),

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			new OverviewRulerZone(10, 10, 0, '2'),

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			new OverviewRulerZone(30, 31, 0, '3'),

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			new OverviewRulerZone(50, 50, 0, '4'),

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		]);

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		// one line = 12, but cap is at 6

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		assert.deepStrictEqual(manager.resolveColorZones(), [

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			new ColorZone(12, 24, 1), //

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			new ColorZone(120, 132, 2), // 120 -> 132

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			new ColorZone(360, 384, 3), // 360 -> 372 [360 -> 384]

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			new ColorZone(588, 600, 4), // 588 -> 600

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		]);

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	});

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	test('pixel ratio 1, dom height 300', () => {

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		const LINE_COUNT = 50;

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		const LINE_HEIGHT = 20;

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		const manager = new OverviewZoneManager((lineNumber) => LINE_HEIGHT * lineNumber);

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		manager.setDOMWidth(30);

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		manager.setDOMHeight(300);

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		manager.setOuterHeight(LINE_COUNT * LINE_HEIGHT);

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		manager.setLineHeight(LINE_HEIGHT);

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		manager.setPixelRatio(1);

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		manager.setZones([

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			new OverviewRulerZone(1, 1, 0, '1'),

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			new OverviewRulerZone(10, 10, 0, '2'),

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			new OverviewRulerZone(30, 31, 0, '3'),

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			new OverviewRulerZone(50, 50, 0, '4'),

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		]);

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		// one line = 6, cap is at 6

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		assert.deepStrictEqual(manager.resolveColorZones(), [

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			new ColorZone(6, 12, 1), //

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			new ColorZone(60, 66, 2), // 60 -> 66

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			new ColorZone(180, 192, 3), // 180 -> 192

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			new ColorZone(294, 300, 4), // 294 -> 300

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		]);

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	});

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	test('pixel ratio 2, dom height 300', () => {

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		const LINE_COUNT = 50;

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		const LINE_HEIGHT = 20;

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		const manager = new OverviewZoneManager((lineNumber) => LINE_HEIGHT * lineNumber);

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		manager.setDOMWidth(30);

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		manager.setDOMHeight(300);

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		manager.setOuterHeight(LINE_COUNT * LINE_HEIGHT);

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		manager.setLineHeight(LINE_HEIGHT);

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		manager.setPixelRatio(2);

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		manager.setZones([

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			new OverviewRulerZone(1, 1, 0, '1'),

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			new OverviewRulerZone(10, 10, 0, '2'),

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			new OverviewRulerZone(30, 31, 0, '3'),

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			new OverviewRulerZone(50, 50, 0, '4'),

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		]);

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		// one line = 6, cap is at 12

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		assert.deepStrictEqual(manager.resolveColorZones(), [

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			new ColorZone(12, 24, 1), //

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			new ColorZone(120, 132, 2), // 120 -> 132

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			new ColorZone(360, 384, 3), // 360 -> 384

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			new ColorZone(588, 600, 4), // 588 -> 600

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		]);

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	});

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});

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