public void TestPropertyChangedException()
{
var x = new NotifyPropertyChangedMock();
x.PropertyChanged += (sender, args) => { throw new Exception("TEST"); };
Assert.Throws <AggregateException>(() => { x.IntPropertyA = 88; });
}
public void TestPropertyChangedNoChange()
{
var x = new NotifyPropertyChangedMock();
x.IntPropertyA = 88;
PropertyChangedEventArgs eventArgs = null;
x.PropertyChanged += (sender, args) => { eventArgs = args; };
x.IntPropertyA = 88;
Assert.Null(eventArgs);
}
public void TestPropertyChangedSuspended()
{
var x = new NotifyPropertyChangedMock();
PropertyChangedEventArgs eventArgs = null;
x.PropertyChanged += (sender, args) => { eventArgs = args; };
x.DisablePropertyChangedEvents();
x.IntPropertyA = 99;
x.EnablePropertyChangedEvents();
Assert.Null(eventArgs);
//TODO: Validate that this is per-thread.
}
public void TestPropertyChanged()
{
var x = new NotifyPropertyChangedMock();
PropertyChangedEventArgs eventArgs = null;
x.PropertyChanged += (sender, args) => { eventArgs = args; };
x.IntPropertyA = 88;
Assert.NotNull(eventArgs);
Assert.Equal(nameof(NotifyPropertyChangedMock.IntPropertyA), eventArgs.PropertyName);
Assert.True(x.LastPropertyAssignmentWasChange);
eventArgs = null;
x.IntPropertyA = 88;
Assert.Null(eventArgs);
Assert.False(x.LastPropertyAssignmentWasChange);
}
