mozilla-release/layout/style/test/test_condition_text_assignment.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=815021
-->
<head>
  <title>Test for Bug 815021</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style id="style">
    #a { text-transform: none }
    @media all {
      #a { text-transform: lowercase }
    }
  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=815021">Mozilla Bug 815021</a>
<p id="display"><span id=a></span></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 815021 **/

var sheet = document.getElementById("style").sheet;
var rule = sheet.cssRules[1];
var a = document.getElementById("a");

function stylesApplied() {
  return window.getComputedStyle(a).textTransform == "lowercase";
}

is(rule.type, CSSRule.MEDIA_RULE, "initial @media rule type");
is(rule.conditionText, "all", "initial @media rule conditionText");
ok(stylesApplied(), "initial @media rule applied");

// [value to set, value to check, whether styles should be applied]
var media = [
  ["not all", "not all", false],
  ["ALL ", "all", true],
  ["unknown", "unknown", false],
  ["(min-width:1px)", "(min-width: 1px)", true],
  ["(bad syntax", "not all", false],
  ["(max-width: 1px), (color)", "(max-width: 1px), (color)", true]
];

for (var i = 0; i < media.length; i++) {
  rule.conditionText = media[i][0];
  is(rule.conditionText, media[i][1], "value of conditionText #" + i);
  ok(rule.cssText.startsWith("@media " + media[i][1]), "value of cssText #" + i);
  ok(stylesApplied() == media[i][2], "styles applied #" + i);
}
</script>
</pre>
</body>
</html>