public void ThrowsInvalidOperationExceptionIfPropertyDoesNotExcist()
{
var test = new ObservableObjectTestClass();
_ = Assert.ThrowsException <InvalidOperationException>(() => test.InvokeOnPropertyChanged(string.Empty));
_ = Assert.ThrowsException <InvalidOperationException>(() => test.InvokeOnPropertyChanged(0, 1, string.Empty));
}
public void DoesNotThrowWhenNoPropertyChangingEventRegistered()
{
var test = new ObservableObjectTestClass();
test.InvokeOnPropertyChanged(nameof(ObservableObjectTestClass.TestField));
test.InvokeOnPropertyChanged(0, 1, nameof(ObservableObjectTestClass.TestField));
}
public void ThrowIfNameIsnull()
{
var test = new ObservableObjectTestClass();
_ = Assert.ThrowsException <ArgumentNullException>(() => test.InvokeOnPropertyChanged(null));
_ = Assert.ThrowsException <ArgumentNullException>(() => test.InvokeOnPropertyChanged(0, 1, null));
}
public void PropertyChangedEventIsInvoked()
{
var test = new ObservableObjectTestClass();
var recordedEvents = new List <PropertyChangedEventArgs>();
test.PropertyChanged += (s, e) =>
{
Assert.AreSame(test, s);
recordedEvents.Add(e);
};
test.InvokeOnPropertyChanged(nameof(ObservableObjectTestClass.TestField));
test.InvokeOnPropertyChanged(0, 1, nameof(ObservableObjectTestClass.TestField));
Assert.AreEqual(2, recordedEvents.Count);
Assert.IsInstanceOfType(recordedEvents[1], typeof(PropertyChangedEventArgs <int>));
}
