efl-csharp: Fix event callback removal.

Summary:
Use the native event loaded from dlsym directly instead of wrapping it
in a Event_Description structure.

Fixes: T7355

Reviewers: felipealmeida, vitor.sousa, segfaultxavi

Reviewed By: vitor.sousa

Subscribers: cedric, #reviewers, #committers

Tags: #efl_language_bindings

Differential Revision: https://phab.enlightenment.org/D6981

1 files changed, 25 insertions, 0 deletions

diff --git a/src/tests/efl_mono/Events.cs b/src/tests/efl_mono/Events.cs
index a08cd8b367..9cf7795dca 100644
--- a/src/tests/efl_mono/Events.cs
+++ b/src/tests/efl_mono/Events.cs
@@ -165,4 +165,29 @@ class TestEoEvents
         Test.AssertEquals(sent, received);
     }
 }
+
+class TestEventAddRemove
+{
+    public static void test_add_remove_event()
+    {
+        test.ITesting obj = new test.Testing();
+        bool called = true;
+
+        EventHandler<test.Testing.EvtWithIntEvt_Args> evtCb = (object sender, EvtWithIntEvt_Args e) => {
+            called = true;
+        };
+
+        obj.EvtWithIntEvt += evtCb;
+        obj.EmitEventWithInt(42);
+        Test.Assert(called);
+
+        called = false;
+        obj.EvtWithIntEvt -= evtCb;
+        obj.EmitEventWithInt(42);
+        Test.Assert(!called);
+
+
+
+    }
+}
 }