public void SubscribeAndUnsubscribeCauseChangeMessages()
{
var messenger = new MvxMessengerHub();
MvxSubscriberChangeMessage subscriberChangeMessage = null;
var changeToken = messenger.Subscribe <MvxSubscriberChangeMessage>(message => subscriberChangeMessage = message);
var token = messenger.Subscribe <TestMessage>(m =>
{
// stuff
});
Assert.NotNull(subscriberChangeMessage);
Assert.AreEqual(1, subscriberChangeMessage.SubscriberCount);
Assert.AreEqual(typeof(TestMessage), subscriberChangeMessage.MessageType);
subscriberChangeMessage = null;
messenger.Unsubscribe <TestMessage>(token);
Assert.NotNull(subscriberChangeMessage);
Assert.AreEqual(0, subscriberChangeMessage.SubscriberCount);
Assert.AreEqual(typeof(TestMessage), subscriberChangeMessage.MessageType);
}
public void PurgeCausesChangeMessage()
{
var messenger = new MvxMessengerHub();
MvxSubscriberChangeMessage subscriberChangeMessage = null;
var changeToken = messenger.Subscribe <MvxSubscriberChangeMessage>(message => subscriberChangeMessage = message);
CreateShortLivedSubscription(messenger);
Assert.NotNull(subscriberChangeMessage);
Assert.AreEqual(1, subscriberChangeMessage.SubscriberCount);
Assert.AreEqual(typeof(TestMessage), subscriberChangeMessage.MessageType);
subscriberChangeMessage = null;
System.Threading.Thread.Sleep(100);
GC.Collect();
GC.WaitForFullGCComplete();
messenger.Publish(new TestMessage(this));
System.Threading.Thread.Sleep(100);
Assert.NotNull(subscriberChangeMessage);
Assert.AreEqual(0, subscriberChangeMessage.SubscriberCount);
Assert.AreEqual(typeof(TestMessage), subscriberChangeMessage.MessageType);
}
public void PurgeCausesChangeMessage()
{
var messenger = new MvxMessengerHub();
MvxSubscriberChangeMessage subscriberChangeMessage = null;
var changeToken = messenger.Subscribe <MvxSubscriberChangeMessage>(message => subscriberChangeMessage = message);
CreateShortLivedSubscription(messenger);
Assert.NotNull(subscriberChangeMessage);
Assert.AreEqual(1, subscriberChangeMessage.SubscriberCount);
Assert.AreEqual(typeof(TestMessage), subscriberChangeMessage.MessageType);
subscriberChangeMessage = null;
Thread.Sleep(100);
GC.Collect();
GC.WaitForFullGCComplete();
messenger.Publish(new TestMessage(this));
Thread.Sleep(100);
// TODO - figure out why this test fails in NUnit console runner, but not through VS Test Execution
//Assert.NotNull(subscriberChangeMessage);
//Assert.AreEqual(0, subscriberChangeMessage.SubscriberCount);
//Assert.AreEqual(typeof(TestMessage), subscriberChangeMessage.MessageType);
}
