public void AddCommandPositiveTest()
{
int a = 10;
int b = 3;
Invoker invoker = new Invoker();
ReceiverCalculator receiverCalculator = new ReceiverCalculator(a, b);
AddCommand addCommand = new AddCommand(receiverCalculator);
var expected = invoker.ExecuteCommand(addCommand);
Assert.AreEqual(expected, 13);
}
public void SubstractCommandPositiveTest()
{
int a = 10;
int b = 3;
Invoker invoker = new Invoker();
ReceiverCalculator receiverCalculator = new ReceiverCalculator(a, b);
SubstractCommand substractCommand = new SubstractCommand(receiverCalculator);
var expected = invoker.ExecuteCommand(substractCommand);
Assert.AreEqual(expected, 7);
}
public AddCommand(ReceiverCalculator calculator)
{
_receiverCalculator = calculator;
}
public SubstractCommand(ReceiverCalculator calculator)
{
_calculator = calculator;
}