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