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osu-lazer/osu.Game.Tests/Visual/Editing/TestSceneEditorChangeStates.cs

169 lines
5.6 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 System.Linq;
using NUnit.Framework;
using osu.Framework.Testing;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Osu;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Screens.Edit;
namespace osu.Game.Tests.Visual.Editing
{
public class TestSceneEditorChangeStates : EditorTestScene
{
public TestSceneEditorChangeStates()
: base(new OsuRuleset())
{
}
private EditorBeatmap editorBeatmap;
public override void SetUpSteps()
{
base.SetUpSteps();
AddStep("get beatmap", () => editorBeatmap = Editor.ChildrenOfType<EditorBeatmap>().Single());
}
[Test]
public void TestUndoFromInitialState()
{
int hitObjectCount = 0;
AddStep("get initial state", () => hitObjectCount = editorBeatmap.HitObjects.Count);
addUndoSteps();
AddAssert("no change occurred", () => hitObjectCount == editorBeatmap.HitObjects.Count);
}
[Test]
public void TestRedoFromInitialState()
{
int hitObjectCount = 0;
AddStep("get initial state", () => hitObjectCount = editorBeatmap.HitObjects.Count);
addRedoSteps();
AddAssert("no change occurred", () => hitObjectCount == editorBeatmap.HitObjects.Count);
}
[Test]
public void TestAddObjectAndUndo()
{
HitObject addedObject = null;
HitObject removedObject = null;
HitObject expectedObject = null;
AddStep("bind removal", () =>
{
editorBeatmap.HitObjectAdded += h => addedObject = h;
editorBeatmap.HitObjectRemoved += h => removedObject = h;
});
AddStep("add hitobject", () => editorBeatmap.Add(expectedObject = new HitCircle { StartTime = 1000 }));
AddAssert("hitobject added", () => addedObject == expectedObject);
addUndoSteps();
AddAssert("hitobject removed", () => removedObject == expectedObject);
}
[Test]
public void TestAddObjectThenUndoThenRedo()
{
HitObject addedObject = null;
HitObject removedObject = null;
HitObject expectedObject = null;
AddStep("bind removal", () =>
{
editorBeatmap.HitObjectAdded += h => addedObject = h;
editorBeatmap.HitObjectRemoved += h => removedObject = h;
});
AddStep("add hitobject", () => editorBeatmap.Add(expectedObject = new HitCircle { StartTime = 1000 }));
addUndoSteps();
AddStep("reset variables", () =>
{
addedObject = null;
removedObject = null;
});
addRedoSteps();
AddAssert("hitobject added", () => addedObject.StartTime == expectedObject.StartTime); // Can't compare via equality (new hitobject instance)
AddAssert("no hitobject removed", () => removedObject == null);
}
[Test]
public void TestRemoveObjectThenUndo()
{
HitObject addedObject = null;
HitObject removedObject = null;
HitObject expectedObject = null;
AddStep("bind removal", () =>
{
editorBeatmap.HitObjectAdded += h => addedObject = h;
editorBeatmap.HitObjectRemoved += h => removedObject = h;
});
AddStep("add hitobject", () => editorBeatmap.Add(expectedObject = new HitCircle { StartTime = 1000 }));
AddStep("remove object", () => editorBeatmap.Remove(expectedObject));
AddStep("reset variables", () =>
{
addedObject = null;
removedObject = null;
});
addUndoSteps();
AddAssert("hitobject added", () => addedObject.StartTime == expectedObject.StartTime); // Can't compare via equality (new hitobject instance)
AddAssert("no hitobject removed", () => removedObject == null);
}
[Test]
public void TestRemoveObjectThenUndoThenRedo()
{
HitObject addedObject = null;
HitObject removedObject = null;
HitObject expectedObject = null;
AddStep("bind removal", () =>
{
editorBeatmap.HitObjectAdded += h => addedObject = h;
editorBeatmap.HitObjectRemoved += h => removedObject = h;
});
AddStep("add hitobject", () => editorBeatmap.Add(expectedObject = new HitCircle { StartTime = 1000 }));
AddStep("remove object", () => editorBeatmap.Remove(expectedObject));
addUndoSteps();
AddStep("reset variables", () =>
{
addedObject = null;
removedObject = null;
});
addRedoSteps();
AddAssert("hitobject removed", () => removedObject.StartTime == expectedObject.StartTime); // Can't compare via equality (new hitobject instance after undo)
AddAssert("no hitobject added", () => addedObject == null);
}
private void addUndoSteps() => AddStep("undo", () => ((TestEditor)Editor).Undo());
private void addRedoSteps() => AddStep("redo", () => ((TestEditor)Editor).Redo());
protected override Editor CreateEditor() => new TestEditor();
private class TestEditor : Editor
{
public new void Undo() => base.Undo();
public new void Redo() => base.Redo();
}
}
}