tor-browser

The Tor Browser
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CSS-supports-L5.html (1670B)

      1 <!doctype html>
      2 <meta charset="utf-8">
      3 <title>CSS.supports() Level 5</title>
      4 <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#at-supports-ext">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 <script>
      8  test(function() {
      9    assert_equals(CSS.supports("font-format(opentype)"), true);
     10  }, "font-format() function accepts a known format");
     11 
     12  test(function() {
     13    assert_equals(CSS.supports("font-format(xyzzy)"), false);
     14  }, "font-format() function doesn't accept an unknown format");
     15 
     16  test(function() {
     17    assert_equals(CSS.supports("font-format(opentype, truetype)"), false);
     18  }, "font-format() function doesn't accept a format list");
     19 
     20  test(function() {
     21    assert_equals(CSS.supports("font-format('opentype')"), false);
     22  }, "font-format() function doesn't accept a string.");
     23 
     24  test(function() {
     25    assert_equals(CSS.supports("font-tech(features-opentype)"), true);
     26  }, "font-tech() function accepts a known technology");
     27 
     28  test(function() {
     29    assert_equals(CSS.supports("font-tech(feature-opentype)"), false);
     30  }, "font-tech() function doesn't accept singular feature-* form for technology");
     31 
     32  test(function() {
     33    assert_equals(CSS.supports("font-tech(foobar)"), false);
     34  }, "font-tech() function doesn't accept an unknown technology");
     35 
     36  test(function() {
     37    assert_equals(CSS.supports("font-tech(features-opentype, color-COLRv0)"), false);
     38  }, "font-tech() function doesn't accept a technology list");
     39 
     40  test(function() {
     41    assert_equals(CSS.supports("font-tech('features-opentype')"), false);
     42  }, "font-tech() function doesn't accept a string.");
     43 </script>