[Test] public void TestRemoveAdded()
{
var test = new Test();
EventHandler handler = (s, a) => Test.Result += "B";
test.Event1 += handler;
test.Event1 += handler;
test.Event1 += test.Handler;
test.Event1 += (s, a) => Test.Result += "C";
Test.Event3 += test.Handler;
test.RaiseEvents();
Assert.Equal(4, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BBAC--A", Test.Result);
Test.Result = string.Empty;
using (EventsSnapshot.Capture(test, EventsSnapshot.Restore.RemoveAdded))
{
test.Event1 += (s, a) => Test.Result += "D";
test.Event1 += test.Handler;
test.Event1 += handler;
test.AttachHandlerToEvent2();
test.AttachHandlerToEvent3();
test.RaiseEvents();
Assert.Equal(7, test.Event1HandlerCount);
Assert.Equal(1, test.Event2HandlerCount);
Assert.Equal(2, test.Event3HandlerCount);
Assert.Equal("BBACDAB-A-AA", Test.Result);
Test.Result = string.Empty;
test.Event1 -= handler;
test.Event1 -= handler;
test.AttachHandlerToEvent2();
test.AttachHandlerToEvent3();
test.RaiseEvents();
Assert.Equal(5, test.Event1HandlerCount);
Assert.Equal(2, test.Event2HandlerCount);
Assert.Equal(3, test.Event3HandlerCount);
Assert.Equal("BACDA-AA-AAA", Test.Result);
Test.Result = string.Empty;
}
test.RaiseEvents();
Assert.Equal(3, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BAC--A", Test.Result);
Test.Result = string.Empty;
}
[Test] public void TestBoth()
{
var test = new Test();
EventHandler handler = (s, a) => Test.Result += "B";
test.Event1 += handler;
test.Event1 += handler;
test.Event1 += test.Handler;
test.Event1 += (s, a) => Test.Result += "C";
Test.Event3 += test.Handler;
test.RaiseEvents();
Assert.Equal(4, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BBAC--A", Test.Result);
Test.Result = string.Empty;
using (EventsSnapshot.Capture(test, EventsSnapshot.Restore.Both))
{
test.Event1 -= handler;
test.Event1 += test.Handler;
test.Event1 += test.Handler;
test.Event1 += (s, a) => Test.Result += "D";
test.RaiseEvents();
Assert.Equal(6, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BACAAD--A", Test.Result);
Test.Result = string.Empty;
test.Event1 += (s, a) => Test.Result += "E";
test.AttachHandlerToEvent2();
Test.Event3 -= test.Handler;
test.RaiseEvents();
Assert.Equal(7, test.Event1HandlerCount);
Assert.Equal(1, test.Event2HandlerCount);
Assert.Equal(0, test.Event3HandlerCount);
Assert.Equal("BACAADE-A-", Test.Result);
Test.Result = string.Empty;
}
test.RaiseEvents();
Assert.Equal(4, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BACB--A", Test.Result);
Test.Result = string.Empty;
}
[Test] public void TestAddRemoved()
{
var test = new Test();
EventHandler handler = (s, a) => Test.Result += "B";
test.Event1 += handler;
test.Event1 += handler;
test.Event1 += test.Handler;
test.Event1 += (s, a) => Test.Result += "C";
test.AttachHandlerToEvent2();
Test.Event3 += test.Handler;
test.RaiseEvents();
Assert.Equal(4, test.Event1HandlerCount);
Assert.Equal(1, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BBAC-A-A", Test.Result);
Test.Result = string.Empty;
using (EventsSnapshot.Capture(test, EventsSnapshot.Restore.AddRemoved))
{
test.ResetHandlers();
test.RaiseEvents();
Assert.Equal(0, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(0, test.Event3HandlerCount);
Assert.Equal("--", Test.Result);
Test.Result = string.Empty;
test.Event1 += handler;
test.RaiseEvents();
Assert.Equal(1, test.Event1HandlerCount);
Assert.Equal(0, test.Event2HandlerCount);
Assert.Equal(0, test.Event3HandlerCount);
Assert.Equal("B--", Test.Result);
Test.Result = string.Empty;
}
test.RaiseEvents();
Assert.Equal(4, test.Event1HandlerCount);
Assert.Equal(1, test.Event2HandlerCount);
Assert.Equal(1, test.Event3HandlerCount);
Assert.Equal("BBAC-A-A", Test.Result);
Test.Result = string.Empty;
}
