Content - 4446a58836695355efd0fbf3f9f5a0bd6c60c8a3 - d90d3e3/trusted-types/block-string-assignment-to-DOMParser-parseFromString.tentative.html

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Tip revision: 6a33b243f29a42f0a38e95b3bf3c8428e109b10a authored by Javier Fernandez on 18 December 2018, 22:50:09 UTC
[LayoutNG] New value 'break-spaces' for the white-space property

Tip revision: 6a33b24

block-string-assignment-to-DOMParser-parseFromString.tentative.html

<!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="trusted-types *">
<body>
<script>
  // Trusted HTML assignments do not throw.
  test(t => {
    let p = createHTML_policy(window, 1);
    let html = p.createHTML(INPUTS.HTML);
    let parser = new DOMParser();
    let doc = parser.parseFromString(html, "text/html");
    assert_equals(doc.body.innerText, RESULTS.HTML);
  }, "document.innerText assigned via policy (successful HTML transformation).");

  // String assignments throw.
  test(t => {
    var parser = new DOMParser();
    assert_throws(new TypeError(), _ => {
      var doc = parser.parseFromString("Fail", "text/html");
    });
  }, "`document.innerText = string` throws.");

  // Null assignment throws.
  test(t => {
    var parser = new DOMParser();
    assert_throws(new TypeError(), _ => {
      var doc = parser.parseFromString(null, "text/html");
    });
  }, "'document.innerText = null' throws");

  // After default policy creation string assignment implicitly calls createHTML.
  test(t => {
    let p = window.TrustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
    let parser = new DOMParser();
    let doc = parser.parseFromString(INPUTS.HTML, "text/html");
    assert_equals(doc.body.innerText, RESULTS.HTML);
  }, "'document.innerText = string' assigned via default policy (successful HTML transformation).");

  // After default policy creation null assignment implicitly calls createHTML.
  test(t => {
    var parser = new DOMParser();
    var doc = parser.parseFromString(null, "text/html");
    assert_equals(doc.body.innerText, "null");
  }, "'document.innerText = null' assigned via default policy does not throw");
</script>

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