public void UndoCommand_DontThrowException()
{
// Arrange
string test = string.Empty;
string expected = "test";
IExecutor <string> executor = new Executor <string>(test);
ICommand <string> append = new AppendTextCommand("test");
// Act
executor.Do(append);
executor.Undo(typeof(ToUpperCommand));
executor.Undo(typeof(ReverseCommand));
// Assert
Assert.AreEqual(expected, executor.Target);
}
public void ExecuteCommands()
{
// Arrange
string test = string.Empty;
string expected = "TSET";
IExecutor <string> executor = new Executor <string>(test);
ICommand <string> append = new AppendTextCommand("test");
ICommand <string> toUpper = new ToUpperCommand();
ICommand <string> reverse = new ReverseCommand();
// Act
executor.Do(append);
executor.Do(toUpper);
executor.Do(reverse);
// Assert
Assert.AreEqual(expected, executor.Target);
}
public void RedoCommand()
{
// Arrange
string test = string.Empty;
string expected = "tset";
IExecutor <string> executor = new Executor <string>(test);
ICommand <string> append = new AppendTextCommand("test");
ICommand <string> reverse = new ReverseCommand();
// Act
executor.Do(append);
executor.Redo(typeof(AppendTextCommand));
executor.Undo(typeof(AppendTextCommand));
executor.Undo(typeof(ReverseCommand));
executor.Undo(typeof(AppendTextCommand));
executor.Redo(typeof(AppendTextCommand));
executor.Do(reverse);
// Assert
Assert.AreEqual(expected, executor.Target);
}
