test_bug611189.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=611189

-->

<head>

  <title>Test for Bug 611189</title>

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

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

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

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

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=611189">Mozilla Bug 611189</a>

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

<div id="content">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 611189 **/

SimpleTest.waitForExplicitFinish();

addLoadEvent(async function() {

  var i = document.createElement("input");

  var b = document.getElementById("content");

  b.appendChild(i);

  b.clientWidth; // bind to frame

  i.focus(); // initialize editor

  var before = await snapshotWindow(window, true);

  i.value = "L"; // set the value

  i.style.display = "none";

  b.clientWidth; // unbind from frame

  i.value = ""; // set the value without a frame

  i.style.display = "";

  b.clientWidth; // rebind to frame

  is(i.value, "", "Input's value should be correctly updated");

  var after = await snapshotWindow(window, true);

  ok(compareSnapshots(before, after, true), "The correct value should be rendered inside the control");

  SimpleTest.finish();

});

</script>

</pre>

</body>

</html>