dangling-markup-window-name.html

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This test has a WPT meta file that expects 5 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/browsers/windows/dangling-markup-window-name.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

  <title>Dangling Markup in target</title>

  <meta name="timeout" content="long">

  <script src="/resources/testharness.js"></script>

  <script src="/resources/testharnessreport.js"></script>

  <script src="/common/utils.js"></script>

</head>

<body>

  <script>

    function anchorClick(target, id) {

      const hyperlink = document.body.appendChild(document.createElement('a'));

      if (target) {

        hyperlink.target = target;

      hyperlink.href = `resources/window-name.sub.html?report=${id}|close`;

      hyperlink.click();

    async function pollResultAndCheck(t, id, expected) {

      const stashURL = new URL('resources/window-name-stash.py', location);

      stashURL.searchParams.set('id', id);

      let res = 'NONE';

      while (res == 'NONE') {

        await new Promise(resolve => { t.step_timeout(resolve, 100); });

        const response = await fetch(stashURL);

        res = await response.text();

      if (res !== expected) {

        assert_unreached('Stash result does not equal expected result.')

    promise_test(async t => {

      const id = token();

      const value = '\n<' + id;

      window.open(`resources/window-name.sub.html?report=${id}|close`, value);

      await pollResultAndCheck(t, id, value);

    }, 'Dangling Markup in target is not reset when set by window.open');

    promise_test(async t => {

      const id = token();

      const value = '\n<' + id;

      anchorClick(value, id)

      await pollResultAndCheck(t, id, '');

    }, 'Dangling Markup with "\\n" in target is reset when set by <a> tag');

    promise_test(async t => {

      const id = token();

      const value = '\r<' + id;

      anchorClick(value, id)

      await pollResultAndCheck(t, id, '');

    }, 'Dangling Markup with "\\r" in target is reset when set by <a> tag');

    promise_test(async t => {

      const id = token();

      const value = '\t<' + id;

      anchorClick(value, id)

      await pollResultAndCheck(t, id, '');

    }, 'Dangling Markup with "\\t" in target is reset when set by <a> tag');

    promise_test(async t => {

      const id = token();

      const value = '\n<' + id;

      const form = document.body.appendChild(document.createElement('form'));

      form.target = value;

      form.method = 'GET';

      form.action = 'resources/window-name.sub.html';

      const input = form.appendChild(document.createElement('input'));

      input.type = 'hidden';

      input.name = 'report';

      input.value = `${id}|close`;

      form.submit();

      await pollResultAndCheck(t, id, '');

    }, 'Dangling Markup in target is reset when set by <form> tag');

    promise_test(async t => {

      const id = token();

      const value = '\n<' + id;

      const base = document.head.appendChild(document.createElement('base'));

      base.target = value;

      anchorClick(null, id)

      await pollResultAndCheck(t, id, '');

    }, 'Dangling Markup in target is reset when set by <base> tag');

  </script>

</body>

</html>