test_default_computed_style.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=800983

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 800983</title>

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

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

  <style>

    #display::before { content: "Visible"; display: block }

    #display {

      display: inline;

      margin-top: 0;

      background: yellow;

      color: blue;

  </style>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=800983">Mozilla Bug 800983</a>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 800983 **/

var cs = getComputedStyle($("display"));

var cs_pseudo = getComputedStyle($("display"), "::before")

var cs_default = getDefaultComputedStyle($("display"));

var cs_default_pseudo = getDefaultComputedStyle($("display"), "::before");

// Sanity checks for normal computed style

is(cs.display, "inline", "We have inline display");

is(cs.marginTop, "0px", "We have 0 margin");

is(cs.backgroundColor, "rgb(255, 255, 0)", "We have yellow background");

is(cs.color, "rgb(0, 0, 255)", "We have blue text");

is(cs_pseudo.content, '"Visible"', "We have some content");

is(cs_pseudo.display, "block", "Our ::before is block");

// And now our actual tests

is(cs_default.display, "block", "We have block display by default");

is(cs_default.marginTop, "16px", "We have 16px margin by default");

is(cs_default.backgroundColor, "rgba(0, 0, 0, 0)",

   "We have transparent background by default");

is(cs_default.color, "rgb(0, 0, 0)", "We have black text by default");

is(cs_default_pseudo.content, "none", "We have no content by default");

is(cs_default_pseudo.display, "inline", "Our ::before is inline by default");

</script>

</pre>

</body>

</html>