public void Execute_WhenCommandIsExecuted_PreviousPageWillBeShown() { var display = Substitute.For<Display>(); var browsable = Substitute.For<Browsable>(); var sut = new PreviousPageCommand(display, browsable); sut.Execute(); browsable.Received(1).PreviousPage(); display.Received(1).Show(Arg.Any<Page>()); }
public void IsNotExitCommand_GivenCommand_ReturnsTrue() { var sut = new PreviousPageCommand(null, null); Assert.IsTrue(sut.IsNotExitCommand(), "is exit command"); }