File: test_fontFaceGeneric.xhtml

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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<window title="CSSGeneric attribute of InspectorFontFace"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onload="RunTest();">
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <script type="application/javascript">
  <![CDATA[

SimpleTest.waitForExplicitFinish();

function RunTest() {
  var rng = document.createRange();
  var elem, fonts;

  elem = document.getElementById("test1");
  rng.selectNode(elem);
  fonts = InspectorUtils.getUsedFontFaces(rng);
  is(fonts.length, 1, "one font found");
  is(fonts[0].CSSGeneric, "serif", "font " + fonts[0].name + " was specified as CSS generic");
  var serifFamily = fonts[0].CSSFamilyName;

  elem = document.getElementById("test2");
  elem.style.fontFamily = serifFamily + ", serif";
  rng.selectNode(elem);
  fonts = InspectorUtils.getUsedFontFaces(rng);
  is(fonts.length, 1, "one font found");
  is(fonts[0].CSSFamilyName, serifFamily, "used the expected family (" + serifFamily + ")");
  is(fonts[0].CSSGeneric, "", "font " + fonts[0].name + " was specified by name");

  elem = document.getElementById("test3");
  elem.getElementsByTagName("span")[0].style.fontFamily = serifFamily + ", serif";
  rng.selectNode(elem);
  fonts = InspectorUtils.getUsedFontFaces(rng);
  is(fonts.length, 2, "two fonts found");
  var checked = 0;
  fonts.forEach(function(f) {
    if (f.CSSFamilyName == serifFamily) {
      is(f.CSSGeneric, "", "serif font " + f.name + " was specified by name");
      checked++;
    } else {
      is(f.CSSGeneric, "monospace", "monospace font " + f.name + " was specified as generic");
      checked++;
    }
  });
  is(checked, 2, "two fonts checked");

  SimpleTest.finish();
}
  ]]>
  </script>

  <!-- html:body contains elements the test will inspect -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <div id="test1" style="font-family: serif">test one</div>
  <div id="test2" style="font-family: monospace">test two</div>
  <div id="test3" style="font-family: monospace">test <span>three</span></div>
  </body>

</window>