public void TestRaisePropertyChangingNoMagicStringNonPropertyExpression()
{
var instance = new TestViewModelNoMagicString();
instance.PropertyChanging += InstancePropertyChanging;
try
{
instance.RaisePropertyChangingPublic(() => DummyStringMethod());
Assert.Fail("ArgumentException was expected");
}
catch (ArgumentException)
{
}
}
public void TestRaisePropertyChangingNoMagicStringNullExpression()
{
var instance = new TestViewModelNoMagicString();
instance.PropertyChanging += InstancePropertyChanging;
try
{
instance.RaisePropertyChangingPublic<string>(null);
Assert.Fail("ArgumentNullException was expected");
}
catch (ArgumentNullException)
{
}
}
public void TestRaisePropertyChangedNoMagicStringNonPropertyExpressionWithBroadcast()
{
var instance = new TestViewModelNoMagicString();
instance.PropertyChanged += InstancePropertyChanged;
try
{
instance.RaisePropertyChangedPublic(() => DummyStringMethod(), "12", "34", true);
Assert.Fail("ArgumentException was expected");
}
catch (ArgumentException)
{
}
}
public void TestPropertyChangedNoBroadcastNoMagicString()
{
Messenger.Reset();
var receivedDateTimeLocalChanged = DateTime.MinValue;
var receivedDateTimeLocalChanging = DateTime.MinValue;
var receivedDateTimeMessenger = DateTime.MinValue;
Messenger.Default.Register<PropertyChangedMessage<DateTime>>(this, m =>
{
if (m.PropertyName == "LastChanged2")
{
receivedDateTimeMessenger = m.NewValue;
}
});
var vm = new TestViewModelNoMagicString();
vm.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "LastChanged2")
{
receivedDateTimeLocalChanged = vm.LastChanged2;
}
};
#if !WP71
vm.PropertyChanging += (s, e) =>
{
if (e.PropertyName == "LastChanged2")
{
receivedDateTimeLocalChanging = vm.LastChanged2;
}
};
#endif
var now = DateTime.Now;
vm.LastChanged2 = now;
Assert.AreEqual(now, vm.LastChanged2);
Assert.AreEqual(now, receivedDateTimeLocalChanged);
#if !WP71
Assert.AreEqual(DateTime.MaxValue, receivedDateTimeLocalChanging);
#endif
Assert.AreEqual(DateTime.MinValue, receivedDateTimeMessenger);
}
public void TestPropertyChangedSendWithCustomMessengerNoMagicString()
{
var receivedDateTime1 = DateTime.MinValue;
var receivedDateTime2 = DateTime.MinValue;
var messenger = new Messenger();
messenger.Register<PropertyChangedMessage<DateTime>>(this, m => receivedDateTime1 = m.NewValue);
Messenger.Default.Register<PropertyChangedMessage<DateTime>>(this, m => receivedDateTime2 = m.NewValue);
var vm = new TestViewModelNoMagicString(messenger);
var now = DateTime.Now;
vm.LastChanged1 = now;
Assert.AreEqual(now, vm.LastChanged1);
Assert.AreEqual(now, receivedDateTime1);
Assert.AreEqual(DateTime.MinValue, receivedDateTime2);
}
public void TestPropertyChangedSendNoMagicString()
{
Messenger.Reset();
var receivedDateTimeMessengerOld = DateTime.MaxValue;
var receivedDateTimeMessengerNew = DateTime.MinValue;
var receivedDateTimeLocal = DateTime.MinValue;
Messenger.Default.Register<PropertyChangedMessage<DateTime>>(this, m =>
{
if (m.PropertyName == "LastChanged1")
{
receivedDateTimeMessengerOld = m.OldValue;
receivedDateTimeMessengerNew = m.NewValue;
}
});
var vm = new TestViewModelNoMagicString();
vm.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "LastChanged1")
{
receivedDateTimeLocal = vm.LastChanged1;
}
};
var now = DateTime.Now;
vm.LastChanged1 = now;
Assert.AreEqual(now, vm.LastChanged1);
Assert.AreEqual(DateTime.MinValue, receivedDateTimeMessengerOld);
Assert.AreEqual(now, receivedDateTimeMessengerNew);
Assert.AreEqual(now, receivedDateTimeLocal);
}
