59 lines
1.8 KiB
HTML
59 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<!-- Based on similar tests in html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/ -->
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<meta charset="utf-8">
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<title>Structured cloning of WebAssembly.Module: BroadcastChannel within the same agent cluster</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="./resources/test-incrementer.js"></script>
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<div id="log"></div>
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<script>
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"use strict";
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promise_test(t => {
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return createWasmModule().then(module => {
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let loadedIframes = 0;
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return Promise.all([
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createIFrame("resources/broadcastchannel-iframe.html"),
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createIFrame("resources/broadcastchannel-iframe.html"),
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createIFrame("resources/broadcastchannel-iframe.html")
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]).then(() => {
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const thisIframe = loadedIframes++;
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const channel = new BroadcastChannel("channel name");
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return new Promise(resolve => {
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let soFar = 0;
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channel.onmessage = t.step_func(msg => {
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if (msg.module) {
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// We only care about "broadcasts" from the workers.
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return;
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}
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let {i, result} = msg.data;
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assert_in_array(i, [0, 1, 2], "Any message events must come from expected sources");
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assert_equals(result, i + 1, `iframe ${i} must return ${i+1}`);
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++soFar;
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if (soFar === 3) {
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resolve();
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}
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});
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channel.postMessage({ module, i: thisIframe });
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});
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});
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});
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});
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function createIFrame(src) {
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return new Promise((resolve, reject) => {
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const iframe = document.createElement("iframe");
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iframe.src = src;
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iframe.onload = () => resolve(iframe);
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iframe.onerror = () => reject(`iframe with URL ${src} failed to load`);
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document.body.appendChild(iframe);
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});
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}
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</script>
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