public void InitialValue()
{
var stored = new StoredProperty <int>(1);
var passthrough = new PassthroughProperty <int>(stored);
passthrough.Value.Should().Be(1);
}
private void passthroughPropertySynchronizationContext()
{
var backing = new StoredProperty <double>(3.0);
var passthrough = new PassthroughProperty <double>(backing)
{
EventSynchronizationContext = SynchronizationContext.Current
};
}
private void passthroughProperty()
{
var backing = new StoredProperty <double>(3.0);
var passthrough = new PassthroughProperty <double>(backing);
Console.WriteLine($"{passthrough.Value} liters"); // 3 liters
backing.Value = 5.0;
Console.WriteLine($"{passthrough.Value} liters"); // 5 liters
}
public void ValueIsUpdated()
{
var stored = new StoredProperty <int>(1);
var passthrough = new PassthroughProperty <int>(stored);
stored.Value.Should().Be(1);
stored.Value = 2;
passthrough.Value.Should().Be(2);
}
public void UsesSynchronizationContextIfConfigured()
{
var stored = new StoredProperty <int>(1);
var passthrough = new PassthroughProperty <int>(stored);
int eventsTriggeredCount = 0;
var synchronizationContext = new MySyncContext();
passthrough.EventSynchronizationContext = synchronizationContext;
passthrough.PropertyChanged += (sender, args) => { eventsTriggeredCount++; };
synchronizationContext.PostCount.Should().Be(0);
synchronizationContext.SendCount.Should().Be(0);
stored.Value = 2;
eventsTriggeredCount.Should().Be(1);
synchronizationContext.SendCount.Should().Be(1);
synchronizationContext.PostCount.Should().Be(0);
passthrough.EventSynchronizationContext.Should().BeSameAs(synchronizationContext);
}
public void EventsAreTriggered()
{
var stored = new StoredProperty <int>(1);
var passthrough = new PassthroughProperty <int>(stored);
stored.Value.Should().Be(1);
int eventsTriggeredCount = 0;
passthrough.PropertyChanged += (sender, args) => {
eventsTriggeredCount++;
passthrough.Value.Should().Be(2);
};
passthrough.PropertyChanged += OnPropertyChanged;
stored.Value = 2;
eventsTriggeredCount.Should().Be(1);
onPropertyChangedCallCount.Should().Be(1);
passthrough.PropertyChanged -= OnPropertyChanged;
}
