public void MultiplyThreeAndThree()
{
// arrange
var view = new StubView();
var sut = new Presenter(view);
// act
sut.NumberButtonPressed("3");
sut.OperatorButtonClick("x");
sut.NumberButtonPressed("3");
sut.OperatorButtonClick("+ / =");
// assert
Assert.Equal("9", view.ScreenDisplay);
}
public void SumTwoAndTwo()
{
// arrange
var view = new StubView();
var sut = new Presenter(view);
// act
sut.NumberButtonPressed("2");
sut.OperatorButtonClick("+ / =");
sut.NumberButtonPressed("2");
sut.OperatorButtonClick("+ / =");
// assert
Assert.Equal("4", view.ScreenDisplay);
}