public CountNotifierViewModel()
{
CountNotifierStatus = CountNotifier.Select(item => Enum.GetName(typeof(CountChangedStatus), item)).ToReactiveProperty().AddTo(DisposeCollection);
CountNotifierCount = CountNotifier.Select(item => CountNotifier.Count).ToReactiveProperty().AddTo(DisposeCollection);
CountNotifier
.ObserveOnUIDispatcher()
.Where(item => CountChangedStatus.Max.Equals(item))
.Where(_ => MessageBoxResult.Yes.Equals(MessageBox.Show("Maxになりましたが元に戻しますか？", "確認", MessageBoxButton.YesNo)))
.Subscribe(_ => beforeOperation.Dispose())
.AddTo(DisposeCollection);
Decrement1Command.ObserveOnUIDispatcher().Subscribe(_ => CountNotifier.Decrement(1)).AddTo(DisposeCollection);
Decrement10Command.ObserveOnUIDispatcher().Subscribe(_ => CountNotifier.Decrement(10)).AddTo(DisposeCollection);
DecrementNCommand.ObserveOnUIDispatcher().Subscribe(_ => CountNotifier.Decrement(DecrementN.Value)).AddTo(DisposeCollection);
Increment1Command.ObserveOnUIDispatcher().Subscribe(_ => beforeOperation = CountNotifier.Increment(1)).AddTo(DisposeCollection);
Increment10Command.ObserveOnUIDispatcher().Subscribe(_ => beforeOperation = CountNotifier.Increment(10)).AddTo(DisposeCollection);
IncrementNCommand.ObserveOnUIDispatcher().Subscribe(_ => beforeOperation = CountNotifier.Increment(IncrementN.Value)).AddTo(DisposeCollection);
MaxCommand.ObserveOnUIDispatcher().Subscribe(_ => beforeOperation = CountNotifier.Increment(CountNotifier.Max)).AddTo(DisposeCollection);
EmptyCommand.ObserveOnUIDispatcher().Subscribe(_ => CountNotifier.Decrement(CountNotifier.Max)).AddTo(DisposeCollection);
}
public void Test()
{
var notifier = new CountNotifier(10);
var recorder = new TestScheduler().CreateObserver <CountChangedStatus>();
notifier.Subscribe(recorder);
notifier.Max.Is(10);
notifier.Count.Is(0);
notifier.Increment(3);
notifier.Increment(3);
notifier.Increment(3);
notifier.Increment();
notifier.Decrement(5);
notifier.Decrement(5);
recorder.Messages.Is(
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Max),
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Empty));
// over max
notifier.Increment(10);
notifier.Count.Is(10);
recorder.Messages.Clear();
notifier.Increment();
notifier.Count.Is(10);
recorder.Messages.Count.Is(0);
// under zero
notifier.Decrement(10);
notifier.Count.Is(0);
recorder.Messages.Clear();
notifier.Decrement();
notifier.Count.Is(0);
recorder.Messages.Count.Is(0);
// over inc
recorder.Messages.Clear();
notifier.Increment(5);
notifier.Increment(15);
notifier.Count.Is(10);
recorder.Messages.Is(
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Max));
// over dec
recorder.Messages.Clear();
notifier.Decrement(5);
notifier.Decrement(15);
notifier.Count.Is(0);
recorder.Messages.Is(
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Empty));
AssertEx.Throws <ArgumentException>(() =>
notifier.Increment(-1));
AssertEx.Throws <ArgumentException>(() =>
notifier.Decrement(-1));
AssertEx.Throws <ArgumentException>(() =>
new CountNotifier(0));
AssertEx.DoesNotThrow(() =>
new CountNotifier(1));
}
public void Test()
{
var notifier = new CountNotifier(10);
var recorder = new TestScheduler().CreateObserver<CountChangedStatus>();
notifier.Subscribe(recorder);
notifier.Max.Is(10);
notifier.Count.Is(0);
notifier.Increment(3);
notifier.Increment(3);
notifier.Increment(3);
notifier.Increment();
notifier.Decrement(5);
notifier.Decrement(5);
recorder.Messages.Is(
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Max),
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Empty));
// over max
notifier.Increment(10);
notifier.Count.Is(10);
recorder.Messages.Clear();
notifier.Increment();
notifier.Count.Is(10);
recorder.Messages.Count.Is(0);
// under zero
notifier.Decrement(10);
notifier.Count.Is(0);
recorder.Messages.Clear();
notifier.Decrement();
notifier.Count.Is(0);
recorder.Messages.Count.Is(0);
// over inc
recorder.Messages.Clear();
notifier.Increment(5);
notifier.Increment(15);
notifier.Count.Is(10);
recorder.Messages.Is(
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Increment),
OnNext(0, CountChangedStatus.Max));
// over dec
recorder.Messages.Clear();
notifier.Decrement(5);
notifier.Decrement(15);
notifier.Count.Is(0);
recorder.Messages.Is(
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Decrement),
OnNext(0, CountChangedStatus.Empty));
AssertEx.Throws<ArgumentException>(() =>
notifier.Increment(-1));
AssertEx.Throws<ArgumentException>(() =>
notifier.Decrement(-1));
AssertEx.Throws<ArgumentException>(() =>
new CountNotifier(0));
AssertEx.DoesNotThrow(() =>
new CountNotifier(1));
}
