mirror of https://github.com/ppy/osu
75 lines
2.2 KiB
C#
75 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.Game.Beatmaps;
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using osu.Game.Screens.Edit;
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namespace osu.Game.Tests.Editor
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{
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[TestFixture]
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public class EditorChangeHandlerTest
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{
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[Test]
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public void TestSaveRestoreState()
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{
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var handler = new EditorChangeHandler(new EditorBeatmap(new Beatmap()));
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Assert.That(handler.CanUndo.Value, Is.False);
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Assert.That(handler.CanRedo.Value, Is.False);
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handler.SaveState();
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Assert.That(handler.CanUndo.Value, Is.True);
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Assert.That(handler.CanRedo.Value, Is.False);
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handler.RestoreState(-1);
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Assert.That(handler.CanUndo.Value, Is.False);
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Assert.That(handler.CanRedo.Value, Is.True);
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}
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[Test]
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public void TestMaxStatesSaved()
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{
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var handler = new EditorChangeHandler(new EditorBeatmap(new Beatmap()));
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Assert.That(handler.CanUndo.Value, Is.False);
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for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES; i++)
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handler.SaveState();
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Assert.That(handler.CanUndo.Value, Is.True);
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for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES; i++)
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{
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Assert.That(handler.CanUndo.Value, Is.True);
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handler.RestoreState(-1);
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}
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Assert.That(handler.CanUndo.Value, Is.False);
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}
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[Test]
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public void TestMaxStatesExceeded()
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{
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var handler = new EditorChangeHandler(new EditorBeatmap(new Beatmap()));
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Assert.That(handler.CanUndo.Value, Is.False);
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for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES * 2; i++)
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handler.SaveState();
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Assert.That(handler.CanUndo.Value, Is.True);
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for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES; i++)
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{
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Assert.That(handler.CanUndo.Value, Is.True);
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handler.RestoreState(-1);
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}
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Assert.That(handler.CanUndo.Value, Is.False);
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}
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}
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}
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