protected Screen(bool load = true, object loadContext = null)
{
_propChangeManager = PropertyChangeManagerBuilder.GetPropertyChangeManager(this);
if (load)
{
Load(loadContext);
}
}
public void WhenStaticMethodIsSubscribed_ThenNotifiesSubscriber()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
manager.SubscribeChanged((Expression <Func <Foo, object> >)(x => x.Name), (Action <Foo>)(OnStaticChanged));
Assert.Throws <InvalidOperationException>(() => manager.NotifyChanged <Foo>(x => x.Name));
}
public void WhenDisposingStaticSubscription_ThenDoesNotNotifySubscriber()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
var subscription = manager.SubscribeChanged((Expression <Func <Foo, object> >)(x => x.Name), (Action <Foo>)(OnStaticChanged));
subscription.Dispose();
manager.NotifyChanged <Foo>(x => x.Name);
}
public void WhenSubscriberIsAlive_ThenNotifiesSubscriber()
{
var notified = false;
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
manager.SubscribeChanged((Expression <Func <Foo, object> >)(x => x.Name), (Action <Foo>)(f => notified = true));
manager.NotifyChanged <Foo>(x => x.Name);
Assert.True(notified);
}
public void WhenSubscriberIsAlive_ThenNotifiesSubscriber()
{
var notified = false;
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
manager.SubscribeChanged((Expression<Func<Foo, object>>)(x => x.Name), (Action<Foo>)(f => notified = true));
manager.NotifyChanged<Foo>(x => x.Name);
Assert.True(notified);
}
public void WhenAddingPropertyChangedHandler_ThenNotifiesSubscriber()
{
var notified = false;
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
PropertyChangedEventHandler handler = (sender, args) => notified = true;
manager.AddHandler(handler);
manager.NotifyChanged <Foo>(x => x.Name);
Assert.True(notified);
}
public void WhenAddingPropertyChangedHandler_ThenNotifiesSubscriber()
{
var notified = false;
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
PropertyChangedEventHandler handler = (sender, args) => notified = true;
manager.AddHandler(handler);
manager.NotifyChanged<Foo>(x => x.Name);
Assert.True(notified);
}
public void WhenRemovingPropertyChangedHandler_ThenDoesNotNotifySubscriberAnymore()
{
var notified = false;
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
PropertyChangedEventHandler handler = (sender, args) => notified = true;
manager.AddHandler(handler);
manager.RemoveHandler(handler);
manager.NotifyChanged <Foo>(x => x.Name);
Assert.False(notified);
}
public void WhenRemovingPropertyChangedHandler_ThenDoesNotNotifySubscriberAnymore()
{
var notified = false;
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
PropertyChangedEventHandler handler = (sender, args) => notified = true;
manager.AddHandler(handler);
manager.RemoveHandler(handler);
manager.NotifyChanged<Foo>(x => x.Name);
Assert.False(notified);
}
public void WhenAddedPropertyChangedHandlerTargetIsNotAlive_ThenDoesNotNotify()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
var subscriber = new TestSubscriber("Name", 1);
manager.AddHandler(subscriber.PropertyChangedHandler);
manager.NotifyChanged <Foo>(x => x.Name);
Assert.Equal(1, subscriber.ActualCalls);
subscriber = null;
GC.Collect();
manager.NotifyChanged <Foo>(x => x.Name);
}
public void WhenSubscriberIsNotAlive_ThenDoesNotNotifySubscriber()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
var subscriber = new TestSubscriber("Name", 1);
manager.SubscribeChanged((Expression <Func <Foo, object> >)(x => x.Name), (Action <Foo>)(subscriber.SubscriptionHandler));
manager.NotifyChanged <Foo>(x => x.Name);
Assert.Equal(1, subscriber.ActualCalls);
subscriber = null;
GC.Collect();
manager.NotifyChanged <Foo>(x => x.Name);
}
public void WhenSubscriptionIsDisposed_ThenDoesNotNotifySubscriber()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
var subscriber = new TestSubscriber("Name", 1);
var subscription = manager.SubscribeChanged((Expression<Func<Foo, object>>)(x => x.Name), (Action<Foo>)(subscriber.SubscriptionHandler));
manager.NotifyChanged<Foo>(x => x.Name);
Assert.Equal(1, subscriber.ActualCalls);
subscription.Dispose();
GC.Collect();
manager.NotifyChanged<Foo>(x => x.Name);
}
public void WhenAddedPropertyChangedHandlerTargetIsNotAlive_ThenDoesNotNotify()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
var subscriber = new TestSubscriber("Name", 1);
manager.AddHandler(subscriber.PropertyChangedHandler);
manager.NotifyChanged<Foo>(x => x.Name);
Assert.Equal(1, subscriber.ActualCalls);
subscriber = null;
GC.Collect();
manager.NotifyChanged<Foo>(x => x.Name);
}
public void WhenDisposingStaticSubscription_ThenDoesNotNotifySubscriber()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
var subscription = manager.SubscribeChanged((Expression<Func<Foo, object>>)(x => x.Name), (Action<Foo>)(OnStaticChanged));
subscription.Dispose();
manager.NotifyChanged<Foo>(x => x.Name);
}
public void WhenStaticMethodIsSubscribed_ThenNotifiesSubscriber()
{
var foo = new Foo();
var manager = new PropertyChangeManager(foo);
manager.SubscribeChanged((Expression<Func<Foo, object>>)(x => x.Name), (Action<Foo>)(OnStaticChanged));
Assert.Throws<InvalidOperationException>(() => manager.NotifyChanged<Foo>(x => x.Name));
}
public DatabaseSettings()
{
UnknownItems = new Dictionary<string, string>();
this.propertyChanges = new PropertyChangeManager<DatabaseSettings>(this);
}
