예제 #1
0
        public void WhenNavigatedToCallsDisposeWhenNavigationStackIsReset()
        {
            var count = 0;

            var screen = new TestScreen();
            var vm1    = new RoutableViewModel(screen);
            var vm2    = new RoutableViewModel(screen);

            vm1.WhenNavigatedTo(() =>
            {
                return(Disposable.Create(() => count++));
            });

            screen.Router.Navigate.Execute(vm1);

            Assert.Equal(0, count);

            screen.Router.NavigateAndReset.Execute(vm2);

            Assert.Equal(1, count);
        }
        public void WhenNavigatedToCallsOnNavigatedToWhenViewModelReturnsToTopOfStack()
        {
            var count = 0;

            var screen = new TestScreen();
            var vm = new RoutableViewModel(screen);
            var vm2 = new RoutableViewModel(screen);

            vm.WhenNavigatedTo(() =>
            {
                count++;

                return Disposable.Empty;
            });

            screen.Router.Navigate.Execute(vm);
            screen.Router.Navigate.Execute(vm2);
            screen.Router.Navigate.Execute(vm);

            Assert.Equal(2, count);
        }
예제 #3
0
        public void CurrentViewModelObservableIsAccurateViaWhenAnyObservable()
        {
            var fixture = new TestScreen();

            fixture.WhenAnyObservable(x => x.Router !.CurrentViewModel).ToObservableChangeSet(ImmediateScheduler.Instance).Bind(out var output).Subscribe();
            fixture.Router = new RoutingState();

            Assert.Equal(1, output.Count);

            fixture.Router.Navigate.Execute(new TestViewModel {
                SomeProp = "A"
            });
            Assert.Equal(2, output.Count);

            fixture.Router.Navigate.Execute(new TestViewModel {
                SomeProp = "B"
            });
            Assert.Equal(3, output.Count);
            Assert.Equal("B", ((TestViewModel)output.Last()).SomeProp);

            fixture.Router.NavigateBack.Execute();
            Assert.Equal(4, output.Count);
            Assert.Equal("A", ((TestViewModel)output.Last()).SomeProp);
        }