test_computed_style_no_pseudo.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=505515

-->

<head>

  <title>Test for Bug 505515</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

  <style type="text/css">

  #display { color: black; background: white; }

  #display span { position: relative; display: inline-block; }

  #display:first-line { color: blue; }

  </style>

</head>

<body onload="run()">

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=505515">Mozilla Bug 505515</a>

<p id="display" style="width: 30em">This <span id="sp">is</span> some text in which the first line is in a different color.</p>

<pre id="test">

<script type="application/javascript">

SimpleTest.waitForExplicitFinish();

/** Test for Bug 505515 **/

function run() {

  var p = document.getElementById("display");

  var span = document.getElementById("sp");

  isnot(span.offsetWidth, 0,

        "span should have width (and we flushed layout)");

  is(getComputedStyle(p, "").color, "rgb(0, 0, 0)",

     "p should be black too");

  let spanStyle = getComputedStyle(span, "");

  let width = spanStyle.width;

  isnot(width.indexOf("px"), -1,

        "should be able to get the used value")

  is(width, spanStyle.width,

     "shouldn't lose track of the frame");

  is(spanStyle.color, "rgb(0, 0, 0)",

     "span should be black");

  SimpleTest.finish();

</script>

</pre>

</body>

</html>