<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1507702
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1507702</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <link rel="icon" href="about:crashparent"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1507702">Mozilla Bug 1507702</a>
<img src="about:crashparent">
<img src="about:crashcontent">
<iframe src="about:crashparent"></iframe>
<iframe src="about:crashcontent"></iframe>
<script>
  let urls = ["about:crashparent", "about:crashcontent"];
  async function testFetch() {
    const url = urls.shift();
    if (!url) {
      return Promise.resolve();
    }

    let threw;
    try {
      await fetch(url);
      threw = false;
    } catch (e) {
      threw = true;
    }

    ok(threw === true, "fetch should reject");
    return testFetch();
  }

  document.body.onload = async () => {
    for (const url of ["about:crashparent", "about:crashcontent"]) {
      SimpleTest.doesThrow(() => {
        top.location.href = url;
      }, "navigation should throw");

      SimpleTest.doesThrow(() => {
        location.href = url;
      }, "navigation should throw");
    }

    await testFetch();
    SimpleTest.finish();
  };

  SimpleTest.waitForExplicitFinish();
</script>
</body>
</html>
