| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Structured cloning of SharedArrayBuffers into windows using MessageChannel</title> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/test-incrementer.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| |
| <div id="log"></div> |
| |
| <script> |
| ["same-origin", "same-site"].forEach(originOrSite => { |
| promise_test(t => { |
| return new Promise(resolve => { |
| const iframe = document.createElement("iframe"); |
| window.onmessage = t.step_func((message) => { |
| // data will be a MessagePort |
| resolve(testSharingViaIncrementerScript(t, message.data, "window", message.data, "iframe")); |
| }); |
| let url = "resources/incrementer-iframe-messagechannel.html"; |
| if (originOrSite === "same-site") { |
| url = get_host_info().HTTPS_REMOTE_ORIGIN + new URL(url, window.location).pathname; |
| } |
| iframe.src = url; |
| document.body.appendChild(iframe); |
| }); |
| }, `postMessaging to a ${originOrSite} iframe via MessageChannel allows them to see each others' modifications`); |
| }); |
| |
| promise_test(t => { |
| return new Promise(resolve => { |
| const iframe = document.createElement("iframe"); |
| window.onmessage = t.step_func(message => { |
| // data will be a MessagePort |
| message.data.postMessage(new SharedArrayBuffer(10)); |
| message.data.onmessage = t.step_func(message => { |
| assert_equals(message.data, "messageerror event received"); |
| resolve(); |
| }); |
| }); |
| iframe.src = get_host_info().HTTPS_NOTSAMESITE_ORIGIN + new URL("resources/iframe-messagechannel-failure.html", window.location).pathname; |
| document.body.append(iframe); |
| }); |
| }, "postMessaging to a cross-site iframe via MessageChannel should fail"); |
| |
| promise_test(t => { |
| return new Promise(resolve => { |
| const iframe = document.createElement("iframe"); |
| let port = null; |
| window.onmessage = t.step_func(message => { |
| if (message.data.state === "port1") { |
| port = message.data.data; |
| port.postMessage(new SharedArrayBuffer(10)); |
| message.source.postMessage("send port2", "*"); |
| } else if (message.data.state === "port2") { |
| // Note that onmessage calls start() |
| message.data.data.onmessage = t.step_func(message => { |
| assert_true(message.data instanceof SharedArrayBuffer); |
| assert_equals(message.data.byteLength, 10); |
| resolve(); |
| }); |
| message.data.data.onmessageerror = t.unreached_func(); |
| } |
| }); |
| iframe.src = get_host_info().HTTPS_NOTSAMESITE_ORIGIN + new URL("resources/iframe-messagechannel-complex.html", window.location).pathname; |
| document.body.append(iframe); |
| }); |
| }, "postMessaging with a MessageChannel that's been cross-site should succeed"); |
| </script> |
