public void TestRemoveInCallback()
{
var event1 = new ServiceEvent();
int callback1Fired = 0;
int callback2Fired = 0;
int callback3Fired = 0;
// Test removing the callback in the callback (oneshot)
IDisposable unregister1 = event1.Register(() => callback1Fired++);
IDisposable unregister2 = event1.Register(() => callback2Fired++);
_unregister3 = event1.Register(() => {
callback3Fired++;
_unregister3.Dispose();
});
event1.Fire();
Assert.Equal(1, callback1Fired);
Assert.Equal(1, callback2Fired);
Assert.Equal(1, callback3Fired);
unregister1.Dispose();
unregister2.Dispose();
// Remove the test of them and make none of them fire
callback1Fired = 0;
callback2Fired = 0;
callback3Fired = 0;
event1.Fire();
Assert.Equal(0, callback1Fired);
Assert.Equal(0, callback2Fired);
Assert.Equal(0, callback3Fired);
_unregister3 = null;
}
public void TestAddAndFire()
{
var event1 = new ServiceEvent();
int callback1Fired = 0;
int callback2Fired = 0;
int callback3Fired = 0;
IDisposable unregister1 = event1.Register(() => callback1Fired++);
event1.Fire();
Assert.Equal(1, callback1Fired);
IDisposable unregister2 = event1.Register(() => callback2Fired++);
IDisposable unregister3 = event1.Register(() => callback3Fired++);
// Make sure all of the callbacks fire
callback1Fired = 0;
callback2Fired = 0;
callback3Fired = 0;
event1.Fire();
Assert.Equal(1, callback1Fired);
Assert.Equal(1, callback2Fired);
Assert.Equal(1, callback3Fired);
// Remove/unregister one of the callbacks
unregister2.Dispose();
// Make sure callback #2 doesn't fire
callback1Fired = 0;
callback2Fired = 0;
callback3Fired = 0;
event1.Fire();
Assert.Equal(1, callback1Fired);
Assert.Equal(0, callback2Fired);
Assert.Equal(1, callback3Fired);
// Now remove all of them and double disposing #2
unregister1.Dispose();
unregister2.Dispose();
unregister3.Dispose();
// Make sure none of them fire
callback1Fired = 0;
callback2Fired = 0;
callback3Fired = 0;
event1.Fire();
Assert.Equal(0, callback1Fired);
Assert.Equal(0, callback2Fired);
Assert.Equal(0, callback3Fired);
}
