block-string-assignment-to-Range-createContextualFragment.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /trusted-types/block-string-assignment-to-Range-createContextualFragment.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<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';">

<body>

<script>

  // TrustedHTML assignments do not throw.

  test(t => {

    let p = createHTML_policy(window, 1);

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

    var range = document.createRange();

    range.selectNodeContents(document.documentElement);

    var result = range.createContextualFragment(html);

    assert_equals(result.textContent, RESULTS.HTML);

  }, "range.createContextualFragment assigned via policy (successful HTML transformation).");

  // String assignments throw.

  test(t => {

    var range = document.createRange();

    range.selectNodeContents(document.documentElement);

    assert_throws_js(TypeError, _ => {

      var result = range.createContextualFragment("A string");

});

  }, "`range.createContextualFragment(string)` throws.");

  // Null assignment throws.

  test(t => {

    var range = document.createRange();

    range.selectNodeContents(document.documentElement);

    assert_throws_js(TypeError, _ => {

      var result = range.createContextualFragment(null);

});

  }, "`range.createContextualFragment(null)` throws.");

  // After default policy creation string assignment implicitly calls createHTML

  test(t => {

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

    var range = document.createRange();

    range.selectNodeContents(document.documentElement);

    var result = range.createContextualFragment(INPUTS.HTML);

    assert_equals(result.textContent, RESULTS.HTML);

  }, "`range.createContextualFragment(string)` assigned via default policy (successful HTML transformation).");

  // After default policy creation null assignment implicitly calls createHTML

  test(t => {

    var range = document.createRange();

    range.selectNodeContents(document.documentElement);

    var result = range.createContextualFragment(null);

    assert_equals(result.textContent, "null");

  }, "`range.createContextualFragment(null)` assigned via default policy does not throw.");

</script>