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<!DOCTYPE HTML>
<html>
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="application/javascript">
"use strict";
add_task(async function main_test() {
await SpecialPowers.pushPrefEnv({
set: [["dom.ipc.processCount.webIsolated", 10]],
});
let frame1 = document.createElement("iframe");
frame1.src = "http://example.com";
document.body.appendChild(frame1);
await new Promise(resolve => {
frame1.addEventListener("load", resolve, { once: true })
});
info("frame 1 loaded");
let frame2 = document.createElement("iframe");
frame2.src = "http://example.com";
document.body.appendChild(frame2);
await new Promise(resolve => {
frame2.addEventListener("load", resolve, { once: true })
});
info("frame 2 loaded");
let id1 = await SpecialPowers.spawn(frame1, [], () => {
return ChromeUtils.domProcessChild.childId;
});
let id2 = await SpecialPowers.spawn(frame2, [], () => {
return ChromeUtils.domProcessChild.childId;
});
is(id1, id2, "childID for example.com subframes should match");
});
</script>
</body>
</html>
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