test_isRemoteProxy.html

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<!DOCTYPE html>

<html>

<head>

  <meta charset="utf-8">

  <title>Tests for Cu.isRemoteProxy</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

</head>

<body>

<script>

async function addFrame(url) {

  let frame = document.createElement("iframe");

  frame.src = url;

  document.body.appendChild(frame);

  await new Promise(resolve => {

    frame.addEventListener("load", resolve, { once: true });

});

  return frame;

add_task(async function() {

  const { Cu } = SpecialPowers;

  let localFrame = await addFrame("file_empty.html");

  let remoteFrame = await addFrame(

    SimpleTest.getTestFileURL("file_empty.html")

              .replace("mochi.test:8888", "example.com"));

  ok(frames[0] === localFrame.contentWindow, "frames[0] is localFrame");

  ok(frames[1] === remoteFrame.contentWindow, "frames[1] is remoteFrame");

  ok(!Cu.isRemoteProxy(window), "window is not a remote proxy");

  ok(!Cu.isRemoteProxy(location), "location is not a remote proxy");

  ok(!Cu.isRemoteProxy(frames[0]), "frames[0] is not a remote proxy");

ok(

    !Cu.isRemoteProxy(frames[0].location),

    "frames[0].location is not a remote proxy"

);

  // The processes will be remote only with isolateEverything strategy

  const expected = SpecialPowers.effectiveIsolationStrategy() == SpecialPowers.ISOLATION_STRATEGY.IsolateEverything;

  is(Cu.isRemoteProxy(frames[1]), expected,

     "frames[1] is a remote proxy if Fission is enabled and strategy is isolateEverything");

  is(Cu.isRemoteProxy(frames[1].location), expected,

     "frames[1].location is a remote proxy if Fission is enabled and strategy is isolateEverything");

});

</script>

</body>

</html>