public void Unsubscribe()
{
string sentMessage = null;
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(this, "SimpleTest", (sender, args) => sentMessage = args);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(this, "SimpleTest");
SafeMessagingCenter.Send(this, "SimpleTest", "My Message");
Assert.Null(sentMessage);
}
public void NoArgUnsubscribe()
{
bool sentMessage = false;
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(this, "SimpleTest", (sender) => sentMessage = true);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(this, "SimpleTest");
SafeMessagingCenter.Send(this, "SimpleTest", "My Message");
Assert.False(sentMessage);
}
public void NoArgSingleSubscriber()
{
bool sentMessage = false;
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(this, "SimpleTest", sender => sentMessage = true);
SafeMessagingCenter.Send(this, "SimpleTest");
Assert.True(sentMessage);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(this, "SimpleTest");
}
public void Filter()
{
string sentMessage = null;
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(this, "SimpleTest", callback: (sender, args) => sentMessage = args, source: this);
SafeMessagingCenter.Send(new SafeMessagingCenterTests(), "SimpleTest", "My Message");
Assert.Null(sentMessage);
SafeMessagingCenter.Send(this, "SimpleTest", "My Message");
Assert.Equal("My Message", sentMessage);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(this, "SimpleTest");
}
public void MultipleSubscribersOfTheSameClass()
{
var sub1 = new object();
var sub2 = new object();
string args2 = null;
const string message = "message";
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(sub1, message, (sender, args) => { });
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(sub2, message, (sender, args) => args2 = args);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(sub1, message);
SafeMessagingCenter.Send(this, message, "Testing");
Assert.Equal("Testing", args2); //unsubscribing sub1 should not unsubscribe sub2
}
public void NoArgFilter()
{
bool sentMessage = false;
SafeMessagingCenter.Subscribe(this, "SimpleTest", (sender) => sentMessage = true, source: this);
SafeMessagingCenter.Send(new SafeMessagingCenterTests(), "SimpleTest");
Assert.False(sentMessage);
SafeMessagingCenter.Send(this, "SimpleTest");
Assert.True(sentMessage);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(this, "SimpleTest");
}
public void MultiSubscriber()
{
var sub1 = new object();
var sub2 = new object();
string sentMessage1 = null;
string sentMessage2 = null;
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(sub1, "SimpleTest", (sender, args) => sentMessage1 = args);
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(sub2, "SimpleTest", (sender, args) => sentMessage2 = args);
SafeMessagingCenter.Send(this, "SimpleTest", "My Message");
Assert.Equal("My Message", sentMessage1);
Assert.Equal("My Message", sentMessage2);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(sub1, "SimpleTest");
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(sub2, "SimpleTest");
}
public void NoArgMultiSubscriber()
{
var sub1 = new object();
var sub2 = new object();
bool sentMessage1 = false;
bool sentMessage2 = false;
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(sub1, "SimpleTest", (sender) => sentMessage1 = true);
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(sub2, "SimpleTest", (sender) => sentMessage2 = true);
SafeMessagingCenter.Send(this, "SimpleTest");
Assert.True(sentMessage1);
Assert.True(sentMessage2);
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(sub1, "SimpleTest");
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(sub2, "SimpleTest");
}
public void ThrowOnNullArgs()
{
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(null, "Foo", (sender, args) => { }));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(this, null, (sender, args) => { }));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Subscribe <SafeMessagingCenterTests, string>(this, "Foo", null));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(null, "Foo", (sender) => { }));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(this, null, (sender) => { }));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Subscribe(this, "Foo", (Action <SafeMessagingCenterTests>)null));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Send <SafeMessagingCenterTests, string>(null, "Foo", "Bar"));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Send <SafeMessagingCenterTests, string>(this, null, "Bar"));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Send <SafeMessagingCenterTests>(null, "Foo"));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Send <SafeMessagingCenterTests>(this, null));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(null, "Foo"));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(this, null));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(null, "Foo"));
Assert.Throws <ArgumentNullException>(() => SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests, string>(this, null));
}
public void UnsubscribeInCallback()
{
int messageCount = 0;
var subscriber1 = new object();
var subscriber2 = new object();
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(subscriber1, "SimpleTest", (sender) =>
{
messageCount++;
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(subscriber2, "SimpleTest");
});
SafeMessagingCenter.Subscribe <SafeMessagingCenterTests>(subscriber2, "SimpleTest", (sender) =>
{
messageCount++;
SafeMessagingCenter.Unsubscribe <SafeMessagingCenterTests>(subscriber1, "SimpleTest");
});
SafeMessagingCenter.Send(this, "SimpleTest");
Assert.Equal(1, messageCount);
}