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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/webmessaging/postMessage_crosssite.sub.htm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/postMessage_crosssite.sub.htm b/testing/web-platform/tests/webmessaging/postMessage_crosssite.sub.htm new file mode 100644 index 0000000000..25bccd9df2 --- /dev/null +++ b/testing/web-platform/tests/webmessaging/postMessage_crosssite.sub.htm @@ -0,0 +1,29 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<body> +<script> +async function addIframeAndReceiveMessage(path) { + let url = new URL('resources/transfer-arraybuffer-to-parent.html', location); + url.hostname = '{{hosts[alt][]}}'; + + let frame = document.createElement('iframe'); + try { + frame.src = url; + document.body.appendChild(frame); + return await new Promise((resolve, reject) => { + window.addEventListener('message', e => resolve(e)); + window.addEventListener('messageerror', e => reject(new Error('received messageerror'))); + }); + } finally { + frame.remove(); + } +} + +promise_test(async () => { + let messageEvent = await addIframeAndReceiveMessage('resources/transfer-arraybuffer-to-parent.html'); + assert_class_string(messageEvent.data, 'ArrayBuffer'); + assert_array_equals(new Uint8Array(messageEvent.data), [42, 222]); +}, "cross-site windows can send transferred ArrayBuffer"); +</script> +</body> |