tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_bug892929.html (2983B)

      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>