<!DOCTYPE html>
<title>Test for Bug 876831</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=876831">Mozilla Bug 876831</a>
<p id="display"</p>

<!--
  Test that the frame tree will be reflowed after a DOM mutation
  and just before an SVG DOM method does its work.
  -->

<svg>
  <text>ab</text>
</svg>

<pre id="test">
<script class="testbody" type="application/javascript">
var text = document.querySelector("text");

var length = text.getComputedTextLength();
ok(length > 0, "text.getComputedTextLength() > 0");

text.firstChild.nodeValue += "cd";
ok(text.getComputedTextLength() > length, "text.getComputedTextLength() changes directly after DOM mutation");

text.firstChild.remove();
is(text.getComputedTextLength(), 0, "text.getComputedTextLength() == 0 after removing child");
</script>
</pre>
