public void TestGettingMessengerInstanceWhenNotSet()
{
var messenger = new Messenger();
var vm1 = new TestViewModel(messenger);
var vm2 = new TestViewModel();
Assert.AreSame(messenger, vm1.GetMessengerInstance());
Assert.AreSame(Messenger.Default, vm2.GetMessengerInstance());
}
public void TestRaiseWithEmptyStringAndBroadcast()
{
var vm = new TestViewModel();
const string value1 = "Hello";
const string value2 = "World";
var messengerValue = string.Empty;
vm.GetMessengerInstance().Register <string>(this, msg => messengerValue = msg);
try
{
vm.RaiseEmptyPropertyChangedWithBroadcast(value1, value2);
Assert.Fail("ArgumentException was expected");
}
catch (ArgumentException)
{
}
}