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49 lines
2.2 KiB
C#
49 lines
2.2 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using NUnit.Framework;
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using osu.Framework.Graphics;
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using osu.Framework.Utils;
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namespace osu.Game.Tests.Visual.Editing
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{
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public class TestSceneTimelineZoom : TimelineTestScene
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{
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public override Drawable CreateTestComponent() => Empty();
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[Test]
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public void TestVisibleRangeUpdatesOnZoomChange()
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{
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double initialVisibleRange = 0;
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AddStep("reset zoom", () => TimelineArea.Timeline.Zoom = 100);
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AddStep("get initial range", () => initialVisibleRange = TimelineArea.Timeline.VisibleRange);
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AddStep("scale zoom", () => TimelineArea.Timeline.Zoom = 200);
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AddAssert("range halved", () => Precision.AlmostEquals(TimelineArea.Timeline.VisibleRange, initialVisibleRange / 2, 1));
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AddStep("descale zoom", () => TimelineArea.Timeline.Zoom = 50);
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AddAssert("range doubled", () => Precision.AlmostEquals(TimelineArea.Timeline.VisibleRange, initialVisibleRange * 2, 1));
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AddStep("restore zoom", () => TimelineArea.Timeline.Zoom = 100);
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AddAssert("range restored", () => Precision.AlmostEquals(TimelineArea.Timeline.VisibleRange, initialVisibleRange, 1));
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}
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[Test]
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public void TestVisibleRangeConstantOnSizeChange()
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{
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double initialVisibleRange = 0;
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AddStep("reset timeline size", () => TimelineArea.Timeline.Width = 1);
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AddStep("get initial range", () => initialVisibleRange = TimelineArea.Timeline.VisibleRange);
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AddStep("scale timeline size", () => TimelineArea.Timeline.Width = 2);
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AddAssert("same range", () => TimelineArea.Timeline.VisibleRange == initialVisibleRange);
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AddStep("descale timeline size", () => TimelineArea.Timeline.Width = 0.5f);
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AddAssert("same range", () => TimelineArea.Timeline.VisibleRange == initialVisibleRange);
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AddStep("restore timeline size", () => TimelineArea.Timeline.Width = 1);
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AddAssert("same range", () => TimelineArea.Timeline.VisibleRange == initialVisibleRange);
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}
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}
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}
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