layout/style/test/test_bug437915.html
author Sandor Molnar <smolnar@mozilla.com>
Thu, 16 Sep 2021 18:58:41 +0300
changeset 592155 d952541c136fa93474dc3f3d76f4afcd86100f2e
parent 492583 43ce5f2968ea046eeea78089e4f80efc09c8fb8a
permissions -rw-r--r--
Merge autoland to mozilla-central. a=merge

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=437915
-->
<head>
  <title>Test for Bug 437915</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <style type="text/css">

  div.classvalue { text-decoration: underline; }
  div[title~="titlevalue"] { visibility: hidden; }

  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437915">Mozilla Bug 437915</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 437915 **/

var div = document.getElementById("content");
var cs = document.defaultView.getComputedStyle(div);

var chars = {
  0x09: true, // tab
  0x0a: true, // newline
  0x0b: false, // vertical tab (MAY CHANGE IN FUTURE!)
  0x0c: true, // form feed
  0x0d: true, // carriage return
  0x0e: false,
  0x20: true, // space
  0x2003: false,
  0x200b: false,
  0x2028: false,
  0x2029: false,
  0x3000: false
};

var wsmap = {
  false: { str: " NOT", "text-decoration-line": "none", "visibility": "visible" },
  true: { str: "", "text-decoration-line": "underline", "visibility": "hidden" }
};

for (var char in chars) {
  var is_whitespace = chars[char];
  var mapent = wsmap[is_whitespace];
  div.setAttribute("class", "classvalue" + String.fromCharCode(char) + "b")
  div.setAttribute("title", "a" + String.fromCharCode(char) + "titlevalue")
  for (var prop of ["text-decoration-line", "visibility"]) {
    is(cs.getPropertyValue(prop), mapent[prop],
       "Character " + char + " should" + mapent.str +
       " be treated as whitespace ("
       + prop + " should be " + mapent[prop] + ")");
  }
}



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