public void DirtyStateEventIsRaised()
{
object eventSender = null;
DirtyStateChangedEventHandlerArgs dirtyStateChangedEventHandlerArgs = null;
var nbCalls = 0;
_modelDirtyDetector.DirtyStateChanged += (sender, args) =>
{
eventSender = sender;
dirtyStateChangedEventHandlerArgs = args;
nbCalls++;
};
_modelDirtyDetector.Start(_testingClassA);
Assert.AreEqual(nbCalls, 0);
Assert.IsNull(eventSender);
Assert.IsNull(dirtyStateChangedEventHandlerArgs);
_testingClassA.Bool = !_testingClassA.Bool;
Assert.AreEqual(nbCalls, 1);
Assert.AreSame(_modelDirtyDetector, eventSender);
Assert.IsNotNull(dirtyStateChangedEventHandlerArgs);
Assert.IsTrue(dirtyStateChangedEventHandlerArgs.IsDirty);
Assert.AreSame(dirtyStateChangedEventHandlerArgs.ObservedModel, _testingClassA);
_testingClassA.Bool = !_testingClassA.Bool;
Assert.AreEqual(nbCalls, 2);
Assert.AreSame(_modelDirtyDetector, eventSender);
Assert.IsNotNull(dirtyStateChangedEventHandlerArgs);
Assert.AreSame(dirtyStateChangedEventHandlerArgs.ObservedModel, _testingClassA);
Assert.IsFalse(dirtyStateChangedEventHandlerArgs.IsDirty);
}
private void NotifyDirtyStateChanged(DirtyStateChangedEventHandlerArgs args)
{
var handler = DirtyStateChanged;
if (handler != null)
{
handler(this, args);
}
}
