src/third_party/WebKit/LayoutTests/w3c/web-platform-tests/shadow-dom/elements-and-dom-objects/extensions-to-element-interface/attributes/test-003.html

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  11 <html>
  12 <head>
  13 <title>Shadow DOM Test: A_10_02_01_03</title>
  14 <link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
  15 <link rel="help" href="http://www.w3.org/TR/2013/WD-shadow-dom-20130514/#shadow-aware-attributes">
  16 <meta name="assert" content="Extensions to Element Interface: pseudo of type DOMString attribute; Test setter">
  17 <script src="../../../../../../resources/testharness.js"></script>
  18 <script src="../../../../../../resources/testharnessreport.js"></script>
  19 <script src="../../../testcommon.js"></script>
  20 <link rel="stylesheet" href="../../../../../../resources/testharness.css">
  21 </head>
  22 <body>
  23 <div id="log"></div>
  24 <script>
  25 test(unit(function (ctx) {
  26
  27         var d = newRenderedHTMLDocument(ctx);
  28
  29     var style = d.createElement('style');
  30     style.innerHTML = 'span {' +
  31         'font-size: 10px;' +
  32         '}';
  33     d.head.appendChild(style);
  34
  35     var widget = d.createElement('div');
  36     d.body.appendChild(widget);
  37
  38     var s = createSR(widget);
  39
  40     var thumb = d.createElement('span');
  41     thumb.innerHTML = 'This is a pseudo-element';
  42
  43     thumb.pseudo = 'x-thumb';
  44     s.appendChild(thumb);
  45
  46     var height = thumb.offsetHeight;
  47
  48     assert_true(height > 0, 'Element should be rendered');
  49
  50     style = d.createElement('style');
  51     style.innerHTML = 'div::x-thumb {' +
  52         'font-size: 30px;' +
  53         '}';
  54     d.body.appendChild(style);
  55
  56     assert_true(thumb.offsetHeight > height, 'Pseudo-element style should be applied');
  57     thumb.pseudo = 'x-thumb2';
  58
  59     assert_equals(thumb.offsetHeight, height, 'Pseudo-element style should be discarded by new setter');
  60
  61 }), 'A_10_02_01_03_T01');
  62 </script>
  63 </body>
  64 </html>