public void ResetsCommandBackToItsOriginalZeroValue(int number, int expected)
{
// Arrange
var addCommand = new AddCommand(number);
addCommand.Do();
// Act
addCommand.Undo();
var result = addCommand.Number;
// Assert
That(result, Is.EqualTo(expected));
}
public void TestAddCommand()
{
// arrange
var originalValue = 5;
var numberToAdd = 5;
var expected = originalValue + numberToAdd;
var command = new AddCommand(originalValue, numberToAdd);
// act & assert
command.Execute();
Assert.AreEqual(expected, command.CurrentValue);
// act & assert
command.Undo();
Assert.AreEqual(originalValue, command.CurrentValue);
}
