/* Syntax checks */
private void SyntaxChecks()
{
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
// Create for EventHandler type — no generic parameters
proxy.TestEvent += FilteredEventHandler.Create(TestEventHandler, new TestEventFilter());
// Create for EventHandler<TEventArgs> type — single generic parameter for EventArgs type
proxy.SampleEvent += FilteredEventHandler.Create <SampleEventArgs>(SampleEventHandler, new SampleEventFilter());
// Create for custom event type — single generic parameter for delegate type
proxy.CustomEvent += FilteredEventHandler.Create <CustomEventType>(CustomEventHandler, new CustomEventFilter());
// AddFilter for EventHandler type — no generic parameters
var testEventHandler = new EventHandler(TestEventHandler);
testEventHandler = testEventHandler.AddFilter(new TestEventFilter());
// AddFilter for EventHandler<TEventArgs> type — no generic parameters
var sampleEventHandler = new EventHandler <SampleEventArgs>(SampleEventHandler);
sampleEventHandler = sampleEventHandler.AddFilter(new SampleEventFilter());
// AddFilter for EventHandler<TEventArgs> using Linq expression — no generic parameters
sampleEventHandler = sampleEventHandler.AddFilter((sender, args) => args.Value != 1);
}
public void FilteredEventHandlerUsingCombinedFilter_TransformsEventsRemotely()
{
// prepare event handler
var handledValue = default(SampleEventArgs);
var handler = new EventHandler <SampleEventArgs>((sender, args) => handledValue = args);
// attach server-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.SampleEvent += handler
.AddFilter(new SampleEventFilter(3, 5, 7), false)
.AddFilter(new SampleEventFilter(9, 6, 3), false)
.AddFilter(new SampleEventFilter(1, 2, 3), false)
.AddFilter(new SampleEventFilter(5, 4, 3), false); // 3 will pass all filters
// raise events, check results
proxy.RaiseSampleEvent(321); // filtered out
Assert.IsNull(handledValue);
proxy.RaiseSampleEvent(3);
Assert.IsNotNull(handledValue);
Assert.AreEqual(3, handledValue.Value);
Assert.IsTrue(handledValue.IsTransformed);
handledValue.Value = 111;
proxy.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(111, handledValue.Value);
}
public void FilteredEventHandlerUsingCombinedFilter_TransformsEventsLocally()
{
// prepare event handler
var handledValue = default(SampleEventArgs);
var handler = new EventHandler <SampleEventArgs>((sender, args) => handledValue = args);
// attach client-side event filter
var sample = new SampleServer();
sample.SampleEvent += handler
.AddFilter(new SampleEventFilter(321, 123, 111))
.AddFilter(new SampleEventFilter(333, 123, 222)); // 123 will pass both filters
// raise events, check results
sample.RaiseSampleEvent(321); // filtered out
Assert.IsNull(handledValue);
sample.RaiseSampleEvent(123);
Assert.IsNotNull(handledValue);
Assert.AreEqual(123, handledValue.Value);
Assert.IsTrue(handledValue.IsTransformed);
handledValue.Value = 111;
sample.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(111, handledValue.Value);
}
public void SubscriptionUnsubscriptionWithEventFilters_RegressionTest2()
{
var handled = false;
var testEventHandler = new EventHandler((s, e) => handled = true);
var filteredEventHandler = testEventHandler.AddFilter(new TestEventFilter());
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.TestEvent += filteredEventHandler;
handled = false;
proxy.RaiseTestEvent();
Assert.IsTrue(handled);
proxy.TestEvent -= filteredEventHandler; // unsubscription with filter
handled = false;
proxy.RaiseTestEvent();
Assert.IsFalse(handled);
proxy.TestEvent += filteredEventHandler;
handled = false;
proxy.RaiseTestEvent();
Assert.IsTrue(handled);
proxy.TestEvent -= testEventHandler; // unsubscription without filter
handled = false;
proxy.RaiseTestEvent();
Assert.IsFalse(handled);
}
public void SubscriptionUnsubscriptionWithEventFilters_RegressionTest1()
{
var handled = false;
var sampleEventHandler = new EventHandler <SampleEventArgs>((s, e) => handled = true);
var filteredEventHandler = sampleEventHandler.AddFilter(new SampleEventFilter(1, 2, 3));
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.SampleEvent += filteredEventHandler;
handled = false;
proxy.RaiseSampleEvent(1);
Assert.IsTrue(handled);
proxy.SampleEvent -= sampleEventHandler; // unsubscription without filter
handled = false;
proxy.RaiseSampleEvent(2);
Assert.IsFalse(handled);
proxy.SampleEvent += filteredEventHandler;
handled = false;
proxy.RaiseSampleEvent(3);
Assert.IsTrue(handled);
proxy.SampleEvent -= filteredEventHandler; // unsubscription with filter
handled = false;
proxy.RaiseSampleEvent(2);
Assert.IsFalse(handled);
}
public void FilteredEventHandlerOfTypeEventHandler_FiltersEventsRemotely()
{
// prepare event handler
var handled = false;
var handler = new EventHandler((sender, args) => handled = true);
// attach server-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.TestEvent += handler.AddFilter(new TestEventFilter(), false);
// raise events, check results
proxy.RaiseTestEvent(EventArgs.Empty); // filtered out
Assert.IsFalse(handled);
proxy.RaiseTestEvent(null);
Assert.IsTrue(handled);
handled = false;
proxy.RaiseTestEvent(new EventArgs()); // filtered out
Assert.IsFalse(handled);
}
public void FilteredEventHandlerUsingFlexibleFilter_FiltersEventsRemotely()
{
// prepare event handler
var handledValue = 0;
var handler = new EventHandler <SampleEventArgs>((sender, args) => handledValue = args.Value);
// attach client-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.SampleEvent += handler.AddFilter((sender, args) => args.Value == 123, false);
// raise events, check results
proxy.RaiseSampleEvent(321); // filtered out
Assert.AreEqual(0, handledValue);
proxy.RaiseSampleEvent(123);
Assert.AreEqual(123, handledValue);
handledValue = 111;
proxy.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(111, handledValue);
}
public void FilteredEventHandlerUsingFluentSyntax_FiltersEventsRemotely()
{
// prepare event handler
var handledValue = 0;
var handler = new EventHandler <SampleEventArgs>((sender, args) => handledValue = args.Value);
// attach server-side event filter
var proxy = ZyanConnection.CreateProxy <ISampleServer>();
proxy.SampleEvent += handler.AddFilter(new SampleEventFilter(123), false);
// raise events
proxy.RaiseSampleEvent(111); // filtered out
Assert.AreEqual(0, handledValue);
proxy.RaiseSampleEvent(123);
Assert.AreEqual(123, handledValue);
handledValue = 222;
proxy.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(222, handledValue);
}
public void FilteredEventHandlerOfTypeEventHandler_FiltersEventsLocally()
{
// prepare event handler
var handled = false;
var handler = new EventHandler((sender, args) => handled = true);
// attach client-side event filter
var sample = new SampleServer();
sample.TestEvent += handler.AddFilter(new TestEventFilter());
// raise events, check results
sample.RaiseTestEvent(EventArgs.Empty); // filtered out
Assert.IsFalse(handled);
sample.RaiseTestEvent(null);
Assert.IsTrue(handled);
handled = false;
sample.RaiseTestEvent(new EventArgs()); // filtered out
Assert.IsFalse(handled);
}
public void FilteredEventHandlerUsingFlexibleFilter_FiltersEventsLocally()
{
// prepare event handler
var handledValue = 0;
var handler = new EventHandler <SampleEventArgs>((sender, args) => handledValue = args.Value);
// attach client-side event filter
var sample = new SampleServer();
sample.SampleEvent += handler.AddFilter((f, args) => args.Value == 123);
// raise events, check results
sample.RaiseSampleEvent(321); // filtered out
Assert.AreEqual(0, handledValue);
sample.RaiseSampleEvent(123);
Assert.AreEqual(123, handledValue);
handledValue = 111;
sample.RaiseSampleEvent(456); // filtered out
Assert.AreEqual(111, handledValue);
}