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-rw-r--r--dom/messagechannel/tests/iframe_messageChannel_pingpong.html32
1 files changed, 32 insertions, 0 deletions
diff --git a/dom/messagechannel/tests/iframe_messageChannel_pingpong.html b/dom/messagechannel/tests/iframe_messageChannel_pingpong.html
new file mode 100644
index 0000000000..c4decd35a7
--- /dev/null
+++ b/dom/messagechannel/tests/iframe_messageChannel_pingpong.html
@@ -0,0 +1,32 @@
+<!DOCTYPE HTML>
+<html>
+<body>
+ <script type="application/javascript">
+
+ function ok(what, msg) {
+ window.parent.postMessage({type: what ? 'OK' : 'KO', msg }, '*');
+ }
+
+ window.addEventListener('message', receiveMessage);
+ function receiveMessage(evt) {
+ if (evt.data.type == 'PORT') {
+ var port = evt.data.port;
+ var counter = 0;
+ port.onmessage = function(event) {
+ if (counter++ == 0) {
+ ok(!(event.data % 2), "The number " + event.data + " has been received correctly by the iframe");
+
+ window.parent.postMessage({ type: 'PORT', port }, '*', [port]);
+ }
+ else {
+ ok(false, "Wrong message!");
+ }
+ }
+ } else {
+ ok(false, "Unknown message");
+ }
+ }
+
+ </script>
+</body>
+</html>