<!DOCTYPE html>
<html>
<head>
  <title>Test window.postMessages from system principal to window with non-default originAttributes</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>

<body>
<iframe id="target-iframe"></iframe>
<script type="application/javascript">

add_task(async function() {
  let iframe = document.querySelector("#target-iframe");

  let win = SpecialPowers.wrap(iframe).contentWindow;
  let docShell = win.docShell;

  // Add private browsing ID to docShell origin and load document.
  docShell.setOriginAttributes({privateBrowsingId: 1});

  await new Promise(resolve => {
    iframe.addEventListener("load", resolve, true);

    iframe.src = SimpleTest.getTestFileURL("file_receiveMessage.html");
  });

  // Set up console monitor to wait for warning.
  const expectedMessage = (
    'Attempting to post a message to window with url ' +
    '"http://mochi.test:8888/tests/dom/base/test/file_receiveMessage.html" ' +
    'and origin "http://mochi.test:8888^privateBrowsingId=1" from a system ' +
    'principal scope with mismatched origin "[System Principal]".');

  let consolePromise = new Promise(resolve => {
    SimpleTest.monitorConsole(resolve, [e => e.message == expectedMessage]);
  });

  // Post to the content window via SpecialPowers' system principal scope.
  win.postMessage("Hello. o/", "http://mochi.test:8888");
  await new Promise(resolve => setTimeout(resolve, 0));

  SimpleTest.endMonitorConsole();
  await consolePromise;

  // Check that the window received and handled the message.
  is(win.document.body.textContent, "|Hello. o/",
     "Content window received the expected message");
});
</script>
</body>
</html>

