public void TestThatRaisePropertyChangedCallEventHandler()
{
var fixture = new Fixture();
var sender = fixture.CreateAnonymous <object>();
var propertyName = fixture.CreateAnonymous <string>();
var domainObject = new MyDomainObject();
Assert.That(domainObject, Is.Not.Null);
var eventHandlerCalled = false;
domainObject.PropertyChanged += ((s, e) =>
{
Assert.That(s, Is.Not.Null);
Assert.That(s, Is.EqualTo(sender));
Assert.That(e, Is.Not.Null);
Assert.That(e.PropertyName, Is.Not.Null);
Assert.That(e.PropertyName, Is.Not.Empty);
Assert.That(e.PropertyName, Is.EqualTo(propertyName));
eventHandlerCalled = true;
});
domainObject.RaisePropertyChanged(sender, propertyName);
Assert.That(eventHandlerCalled, Is.True);
}
public void TestThatRaisePropertyChangedThrowsAnArgumentNullExceptionIfPropertyNameIsEmpty()
{
var fixture = new Fixture();
var domainObject = new MyDomainObject();
Assert.That(domainObject, Is.Not.Null);
Assert.Throws <ArgumentNullException>(() => domainObject.RaisePropertyChanged(fixture.CreateAnonymous <object>(), string.Empty));
}
public void TestThatRaisePropertyChangedThrowsAnArgumentNullExceptionIfSenderIsNull()
{
var fixture = new Fixture();
var domainObject = new MyDomainObject();
Assert.That(domainObject, Is.Not.Null);
Assert.Throws <ArgumentNullException>(() => domainObject.RaisePropertyChanged(null, fixture.CreateAnonymous <string>()));
}
public void TestThatRaisePropertyChangedReturnsIfEventHandlerNotSet()
{
var fixture = new Fixture();
var sender = fixture.CreateAnonymous <object>();
var propertyName = fixture.CreateAnonymous <string>();
var domainObject = new MyDomainObject();
Assert.That(domainObject, Is.Not.Null);
domainObject.RaisePropertyChanged(sender, propertyName);
}