public void TestExecuteCommandClearsRedoStack()
{
TestIncrementCommand command = new TestIncrementCommand();
TestDecrementCommand command2 = new TestDecrementCommand();
command.Counter = counter;
command2.Counter = counter;
commandStack.ExecuteCommand(command); // counter = 1.
commandStack.UndoLastCommand(); // counter = 0.
commandStack.ExecuteCommand(command2); // counter = -1.
// Should be a no op, because we have executed since last undoing.
commandStack.RedoLastUndoneCommand(); // counter = -1.
Assert.AreEqual(-1, counter.CounterMember, "CommandStack does not clear undo stack after executing a command.");
}
public void TestExecuteCommandClearsRedoStack()
{
TestIncrementCommand command = new TestIncrementCommand();
TestDecrementCommand command2 = new TestDecrementCommand();
command.Counter = counter;
command2.Counter = counter;
commandStack.ExecuteCommand(command); // counter = 1.
commandStack.UndoLastCommand(); // counter = 0.
commandStack.ExecuteCommand(command2); // counter = -1.
// Should be a no op, because we have executed since last undoing.
commandStack.RedoLastUndoneCommand(); // counter = -1.
Assert.AreEqual(-1, counter.CounterMember, "CommandStack does not clear undo stack after executing a command.");
}
