Quelle test_descriptor_storage.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/layout/style/test/test_descriptor_storage.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for parsing, storage, and serialization of CSS @font-face descriptor values</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="descriptor_database.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for parsing, storage, and serialization of CSS @font-face descriptor values **/

/*
* For explanation of some of the more interesting tests here, see the comment
* in test_value_storage.html .
*/

var gStyleElement = document.createElement("style");
gStyleElement.setAttribute("type", "text/css");
document.getElementsByTagName("head")[0].appendChild(gStyleElement);
var gSheet = gStyleElement.sheet;
gSheet.insertRule("@font-face { }", 0);
var gRule = gSheet.cssRules[0];
var gDeclaration = gRule.style;

function fake_set_property(descriptor, value) {
  gSheet.deleteRule(0);
  gSheet.insertRule("@font-face { " + descriptor + ": " + value + "}", 0);
  gRule = gSheet.cssRules[0];
  gDeclaration = gRule.style;
}

function xfail_parse(descriptor, value) {
  switch (descriptor) {
    case "src":
      // not clear whether this is an error or not, so mark todo for now
      return value == "local(serif)";
  }
  return false;
}

function test_descriptor(descriptor)
{
  var info = gCSSFontFaceDescriptors[descriptor];

  function test_value(value) {
//    // We don't implement SetProperty yet (bug 443978).
//    gDeclaration.setProperty(descriptor, value, "");
    fake_set_property(descriptor, value);

    var idx;

    var step1val = gDeclaration.getPropertyValue(descriptor);
    var step1ser = gDeclaration.cssText;

    var func = xfail_parse(descriptor, value) ? todo_isnot : isnot;
    func(step1val, "", "setting '" + value + "' on '" + descriptor + "'");

    // We don't care particularly about the whitespace or the placement of
    // semicolons, but for simplicity we'll test the current behavior.
    var expected_serialization = "";
    if (step1val != "")
      expected_serialization = descriptor + ": " + step1val + "; ";
    is(step1ser, expected_serialization,
       "serialization should match descriptor value");

    gDeclaration.removeProperty(descriptor);
//    // We don't implement SetProperty yet (bug 443978).
//    gDeclaration.setProperty(descriptor, step1val, "");
    fake_set_property(descriptor, step1val);

    is(gDeclaration.getPropertyValue(descriptor), step1val,
       "parse+serialize should be idempotent for '" +
         descriptor + ": " + value + "'");

    gDeclaration.removeProperty(descriptor);
  }

  var idx;
  for (idx in info.values)
    test_value(info.values[idx]);
}

// To avoid triggering the slow script dialog, we have to test one
// descriptor at a time.
SimpleTest.waitForExplicitFinish();
function runTest() {
  var descs = [];
  for (var desc in gCSSFontFaceDescriptors)
    descs.push(desc);
  descs = descs.reverse();
  function do_one() {
    if (descs.length == 0) {
      SimpleTest.finish();
      return;
    }
    test_descriptor(descs.pop());
    SimpleTest.executeSoon(do_one);
  }
  SimpleTest.executeSoon(do_one);
}

SimpleTest.waitForExplicitFinish();
SimpleTest.requestLongerTimeout(5);

runTest();

</script>
</pre>
</body>
</html>

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