layout/style/test/test_bug892929.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset=utf-8>
   5   <title>Bug 892929 test</title>
   6   <link rel="author" title="John Daggett" href="mailto:jdaggett@mozilla.com">
   7   <link rel="help" href="http://www.w3.org/TR/css-fonts-3/#om-fontfeaturevalues" />
   8   <meta name="assert" content="window.CSSFontFeatureValuesRule should appear by default" />
   9   <script type="text/javascript" src="/resources/testharness.js"></script>
  10   <script type="text/javascript" src="/resources/testharnessreport.js"></script>
  11   <style type="text/css">
  12   </style>
  13 </head>
  14 <body>
  15 <div id="log"></div>
  16 <pre id="display"></pre>
  17
  18 <script type="text/javascript">
  19
  20 function testCSSFontFeatureValuesRuleOM() {
  21   var s = document.documentElement.style;
  22   var cs = window.getComputedStyle(document.documentElement);
  23
  24   var hasFFVRule = "CSSFontFeatureValuesRule" in window;
  25   var hasStyleAlternates = "fontVariantAlternates" in s;
  26   var hasCompStyleAlternates = "fontVariantAlternates" in cs;
  27
  28   test(function() {
  29     assert_equals(hasFFVRule,
  30                   hasStyleAlternates,
  31                   "style.fontVariantAlternates " +
  32                     (hasStyleAlternates ? "available" : "not available") +
  33                     " but " +
  34                     "window.CSSFontFeatureValuesRule " +
  35                     (hasFFVRule ? "available" : "not available") +
  36                     " - ");
  37   }, "style.fontVariantAlternates availability matches window.CSSFontFeatureValuesRule availability");
  38
  39   test(function() {
  40     assert_equals(hasFFVRule,
  41                   hasCompStyleAlternates,
  42                   "computedStyle.fontVariantAlternates " +
  43                     (hasCompStyleAlternates ? "available" : "not available") +
  44                     " but " +
  45                     "window.CSSFontFeatureValuesRule " +
  46                     (hasFFVRule ? "available" : "not available") +
  47                     " - ");
  48   }, "computedStyle.fontVariantAlternates availability matches window.CSSFontFeatureValuesRule availability");
  49
  50   // if window.CSSFontFeatureValuesRule isn't around, neither should any of the font feature props
  51   fontFeatureProps = [ "fontKerning", "fontVariantAlternates", "fontVariantCaps", "fontVariantEastAsian",
  52                        "fontVariantLigatures", "fontVariantNumeric", "fontVariantPosition", "fontSynthesis",
  53                        "fontFeatureSettings", "fontLanguageOverride" ];
  54
  55   if (!hasFFVRule) {
  56     var i;
  57     for (i = 0; i < fontFeatureProps.length; i++) {
  58       var prop = fontFeatureProps[i];
  59       test(function() {
  60              assert_true(!(prop in s), "window.CSSFontFeatureValuesRule not available but style." + prop + " is available - ");
  61            }, "style." + prop + " availability");
  62       test(function() {
  63              assert_true(!(prop in cs), "window.CSSFontFeatureValuesRule not available but computedStyle." + prop + " is available - ");
  64            }, "computedStyle." + prop + " availability");
  65     }
  66   }
  67
  68 }
  69
  70 testCSSFontFeatureValuesRuleOM();
  71
  72 </script>
  73 </body>
  74 </html>