1 files changed, 76 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/postMessage_MessagePorts_xorigin.sub.htm b/testing/web-platform/tests/webmessaging/postMessage_MessagePorts_xorigin.sub.htm
new file mode 100644
index 0000000000..cf2b8eb4c1
--- /dev/null
+++ b/testing/web-platform/tests/webmessaging/postMessage_MessagePorts_xorigin.sub.htm
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title> postMessage to cross-origin iframe with MessagePort array [100 ports] </title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<div id=log></div>
+
+<div style="display:none">
+    <iframe width="70%" onload="PostMessageTest()" src="{{location[scheme]}}://{{domains[www1]}}:{{location[port]}}/webmessaging/support/ChildWindowPostMessage.htm"></iframe>
+</div>
+
+<script>
+
+
+    var description = "Test Description: postMessage to cross-origin iframe with MessagePort array containing 100 ports.";
+
+    var t = async_test(description);
+
+    var TOTALPORTS = 100;
+    var LocalPorts = [];
+    var RemotePorts = [];
+    var PassedResult = 0;
+    var sum = 0;
+    var TARGET = document.querySelector("iframe").contentWindow;
+
+    function PostMessageTest()
+    {
+        test(function()
+        {
+            assert_own_property(window, "MessageChannel", "window");
+
+            var channels = [];
+
+            for (var i=0; i<TOTALPORTS; i++)
+            {
+                channels[i] = new MessageChannel();
+                LocalPorts[i] = channels[i].port1;
+                LocalPorts[i].foo = i;
+                RemotePorts[i] = channels[i].port2;
+
+                LocalPorts[i].onmessage = t.step_func(function(e)
+                {
+                    assert_equals(e.target.foo, e.data);
+
+                    PassedResult++;
+                    sum += e.data;
+
+                    if (PassedResult == TOTALPORTS)
+                    {
+                        assert_equals(sum, 4950);
+                        t.done();
+                    }
+                });
+            }
+
+            TARGET.postMessage("ports", "*", RemotePorts);
+
+        }, "MessageChannel is supported.");
+    }
+
+    window.onmessage = function(e)
+    {
+        if (e.data === "ports")
+        {
+            for (var i=0; i<TOTALPORTS; i++)
+            {
+                LocalPorts[i].postMessage(LocalPorts[i].foo);
+            }
+        }
+    }
+</script>
+</body>
+</html>