public void AddVertexCommandTest()
{
Shapes.Models.UndoRedoManager manager = new Shapes.Models.UndoRedoManager();
Shapes.Models.Canvas testCanvas = new Shapes.Models.Canvas();
Shapes.Models.Vertex first = new Shapes.Models.Vertex();
Shapes.Models.Vertex second = new Shapes.Models.Vertex();
Assert.AreEqual(0, testCanvas.Count);
Shapes.Commands.Vertex.AddVertex testCommand =
new Shapes.Commands.Vertex.AddVertex(testCanvas, first, manager);
manager.Execute(testCommand);
Assert.AreEqual(1, testCanvas.Count);
manager.Undo();
Assert.AreEqual(0, testCanvas.Count);
manager.Redo();
Assert.AreEqual(1, testCanvas.Count);
manager.Execute(
new Shapes.Commands.Vertex.AddVertex(testCanvas, second, manager));
Assert.AreEqual(2, testCanvas.Count);
manager.Undo();
manager.Undo();
Assert.AreEqual(0, testCanvas.Count);
manager.Redo();
Assert.AreEqual(1, testCanvas.Count);
Configuration.UndoAll(manager);
}
public void ClearTest()
{
UndoRedoManager manager = new UndoRedoManager();
Canvas testCanvas = new Canvas();
Vertex first = new Vertex();
Shapes.Commands.Vertex.AddVertex testCommand =
new Shapes.Commands.Vertex.AddVertex(testCanvas, first, manager);
Assert.AreEqual(0, manager.UndoItems.Count());
Assert.AreEqual(0, manager.RedoItems.Count());
manager.Execute(testCommand);
manager.Execute(testCommand);
manager.Execute(testCommand);
manager.Undo();
Assert.AreEqual(2, manager.UndoItems.Count());
Assert.AreEqual(1, manager.RedoItems.Count());
manager.Clear();
Assert.AreEqual(0, manager.UndoItems.Count());
Assert.AreEqual(0, manager.RedoItems.Count());
}
public void ExecuteTest()
{
UndoRedoManager manager = new UndoRedoManager();
Canvas testCanvas = new Canvas();
Vertex first = new Vertex();
Shapes.Commands.Vertex.AddVertex testCommand =
new Shapes.Commands.Vertex.AddVertex(testCanvas, first, manager);
manager.Execute(testCommand);
Assert.AreEqual(1, testCanvas.Count);
Configuration.UndoAll(manager);
}
public void CanRedoTest()
{
UndoRedoManager urm = new UndoRedoManager();
Assert.IsFalse(urm.CanRedo);
Canvas testCanvas = new Canvas();
Vertex first = new Vertex();
Shapes.Commands.Vertex.AddVertex testCommand =
new Shapes.Commands.Vertex.AddVertex(testCanvas, first, urm);
urm.Execute(testCommand);
Assert.IsFalse(urm.CanRedo);
urm.Undo();
Assert.IsTrue(urm.CanRedo);
urm.Redo();
Assert.IsFalse(urm.CanRedo);
}
