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osu-lazer/osu.Game.Tests/Editing/EditorChangeHandlerTest.cs

75 lines
2.2 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using NUnit.Framework;
using osu.Game.Beatmaps;
using osu.Game.Screens.Edit;
namespace osu.Game.Tests.Editing
{
[TestFixture]
public class EditorChangeHandlerTest
{
[Test]
public void TestSaveRestoreState()
{
var handler = new EditorChangeHandler(new EditorBeatmap(new Beatmap()));
Assert.That(handler.CanUndo.Value, Is.False);
Assert.That(handler.CanRedo.Value, Is.False);
handler.SaveState();
Assert.That(handler.CanUndo.Value, Is.True);
Assert.That(handler.CanRedo.Value, Is.False);
handler.RestoreState(-1);
Assert.That(handler.CanUndo.Value, Is.False);
Assert.That(handler.CanRedo.Value, Is.True);
}
[Test]
public void TestMaxStatesSaved()
{
var handler = new EditorChangeHandler(new EditorBeatmap(new Beatmap()));
Assert.That(handler.CanUndo.Value, Is.False);
for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES; i++)
handler.SaveState();
Assert.That(handler.CanUndo.Value, Is.True);
for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES; i++)
{
Assert.That(handler.CanUndo.Value, Is.True);
handler.RestoreState(-1);
}
Assert.That(handler.CanUndo.Value, Is.False);
}
[Test]
public void TestMaxStatesExceeded()
{
var handler = new EditorChangeHandler(new EditorBeatmap(new Beatmap()));
Assert.That(handler.CanUndo.Value, Is.False);
for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES * 2; i++)
handler.SaveState();
Assert.That(handler.CanUndo.Value, Is.True);
for (int i = 0; i < EditorChangeHandler.MAX_SAVED_STATES; i++)
{
Assert.That(handler.CanUndo.Value, Is.True);
handler.RestoreState(-1);
}
Assert.That(handler.CanUndo.Value, Is.False);
}
}
}