<!DOCTYPE html> <html> <head> <title> postMessage with ArrayBuffer object </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[www]}}:{{location[port]}}/webmessaging/support/ChildWindowPostMessage.htm"></iframe> </div> <script> var description = "Test Description: postMessage with ArrayBuffer object."; var t = async_test(description); var DATA; var TYPE = "object"; var TARGET = document.querySelector("iframe"); function PostMessageTest() { test(function() { DATA = new ArrayBuffer(32); TARGET.contentWindow.postMessage(DATA, "*"); }, "ArrayBuffer is supported."); } window.onmessage = t.step_func(function(e) { assert_equals(typeof(e.data), TYPE); assert_equals(e.data.toString(), DATA.toString()); assert_equals(e.data.byteLength, 32); t.done(); }); </script> </body> </html>