block-string-assignment-to-Document-parseHTMLUnsafe.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /trusted-types/block-string-assignment-to-Document-parseHTMLUnsafe.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

  <meta name="author" title="Luke Warlow" href="mailto:lwarlow@igalia.com">

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

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

  <script src="support/helper.sub.js"></script>

  <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script';">

</head>

<body>

<script>

  test(t => {

    let p = createHTML_policy(window, 1);

    let html = p.createHTML(INPUTS.HTML);

    let doc = Document.parseHTMLUnsafe(html);

    assert_equals(doc.body.innerText, RESULTS.HTML);

  }, "Document.parseHTMLUnsafe assigned via policy (successful HTML transformation).");

  // String assignments throw.

  test(t => {

    assert_throws_js(TypeError, _ => {

      var doc = Document.parseHTMLUnsafe("Fail");

});

  }, "`Document.parseHTMLUnsafe(string)` throws.");

  // Null assignment throws.

  test(t => {

    assert_throws_js(TypeError, _ => {

      var doc = Document.parseHTMLUnsafe(null);

});

  }, "'Document.parseHTMLUnsafe(null)' throws");

  // After default policy creation string assignment implicitly calls createHTML.

  test(t => {

    let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);

    let doc = Document.parseHTMLUnsafe(INPUTS.HTML);

    assert_equals(doc.body.innerText, RESULTS.HTML);

  }, "'Document.parseHTMLUnsafe(string)' assigned via default policy (successful HTML transformation).");

  // After default policy creation null assignment implicitly calls createHTML.

  test(t => {

    var doc = Document.parseHTMLUnsafe(null);

    assert_equals(doc.body.innerText, "null");

  }, "'Document.parseHTMLUnsafe(null)' assigned via default policy does not throw");

</script>

</body>

</html>