public void TestExecuteAndUndo()
{
var testClass = new TestClass();
var command = new SerializableReversibleCommand <TestClass>(testClass, t => t.IncreaseNumber(), t => t.DecreaseNumber());
command.Execute();
command.UndoExecute();
Assert.AreEqual(0, testClass.number);
}
public void TestExecuteAndUndoAdvanced()
{
var testClass = new TestClass();
testClass.number = 10;
// Please note that we copy the old number, otherwise if we would set the undo action as following:
// t => t.SetNumber(t.number) will actually call SetNumber with a reference to the t class!
int oldNumber = testClass.number;
var command = new SerializableReversibleCommand <TestClass>(testClass, t => t.SetNumber(77), t => t.SetNumber(oldNumber));
Assert.AreEqual(10, testClass.number);
command.Execute();
Assert.AreEqual(77, testClass.number);
command.UndoExecute();
Assert.AreEqual(10, testClass.number);
}