test_descriptor_storage.html

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

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  <script type="text/javascript" src="descriptor_database.js"></script>

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<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>

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