1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/Channel_postMessage_target_source.any.js b/testing/web-platform/tests/webmessaging/Channel_postMessage_target_source.any.js
new file mode 100644
index 0000000000..6b7fc7f20d
--- /dev/null
+++ b/testing/web-platform/tests/webmessaging/Channel_postMessage_target_source.any.js
@@ -0,0 +1,23 @@
+// META: title=postMessage(): target port and source port
+
+    var TARGET = null;
+    var SOURCE = null;
+    var description = "The postMessage() method - Let target port be the port with which source "
+                    + "port is entangled, if any.";
+
+    var t = async_test("Test Description: " + description);
+
+    var channel = new MessageChannel();
+    SOURCE = channel.port1;
+    TARGET = channel.port2;
+    TARGET.start();
+    TARGET.addEventListener("message", t.step_func(TestMessageEvent), true);
+
+    SOURCE.postMessage("ping");
+
+    function TestMessageEvent(evt)
+    {
+        assert_equals(evt.target, TARGET);
+        assert_not_equals(evt.target, SOURCE);
+        t.done();
+    }