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- <!DOCTYPE HTML>
- <html>
- <body>
- <script type="application/javascript">
- function ok(what, msg) {
- window.parent.postMessage({type: what ? 'OK' : 'KO', msg: msg }, '*');
- }
- window.addEventListener('message', receiveMessage, false);
- function receiveMessage(evt) {
- if (evt.data.type == 'PORT') {
- var port = evt.data.port;
- var counter = 0;
- port.onmessage = function(evt) {
- if (counter++ == 0) {
- ok(!(evt.data % 2), "The number " + evt.data + " has been received correctly by the iframe");
- window.parent.postMessage({ type: 'PORT', port: port }, '*', [port]);
- }
- else {
- ok(false, "Wrong message!");
- }
- }
- } else {
- ok(false, "Unknown message");
- }
- }
- </script>
- </body>
- </html>
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