wpt/css/css-values/urls/url-request-modifiers-font-face-parsing.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<title>Request URL Modifiers: @font-face src parsing</title>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#request-url-modifiers">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
function test_font_face_src(description, src, valid) {
  test(t => {
    const style = document.createElement("style");
    style.textContent = `@font-face { font-family: "Test"; src: ${src}; }`;
    document.head.appendChild(style);
    t.add_cleanup(() => style.remove());
    const rule = style.sheet.cssRules[0];
    if (valid) {
      assert_not_equals(rule.style.getPropertyValue("src"), "", "should be valid");
    } else {
      assert_equals(rule.style.getPropertyValue("src"), "", "should be invalid");
    }
  }, description);
}

// Valid modifiers in @font-face src
test_font_face_src(
  "cross-origin(anonymous) in @font-face src",
  'url("fonts/Ahem.ttf" cross-origin(anonymous))',
  true);

test_font_face_src(
  "referrer-policy(no-referrer) in @font-face src",
  'url("fonts/Ahem.ttf" referrer-policy(no-referrer))',
  true);

test_font_face_src(
  "integrity() in @font-face src",
  'url("fonts/Ahem.ttf" integrity("sha384-foobar"))',
  true);

test_font_face_src(
  "multiple modifiers in @font-face src",
  'url("fonts/Ahem.ttf" cross-origin(anonymous) referrer-policy(no-referrer))',
  true);

test_font_face_src(
  "modifiers with format() in @font-face src",
  'url("fonts/Ahem.ttf" cross-origin(anonymous)) format("truetype")',
  true);

test_font_face_src(
  "unknown modifier in @font-face src",
  'url("fonts/Ahem.ttf" foobar(baz))',
  true);

// Invalid modifiers
test_font_face_src(
  "duplicate cross-origin in @font-face src",
  'url("fonts/Ahem.ttf" cross-origin(anonymous) cross-origin(anonymous))',
  false);

test_font_face_src(
  "duplicate unknown modifier in @font-face src",
  'url("fonts/Ahem.ttf" foobar(baz) foobar(qux))',
  false);
</script>