test_bug595310.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=595310

-->

<head>

  <title>Test for Bug 595310</title>

  <script src="/tests/SimpleTest/SimpleTest.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=595310">Mozilla Bug 595310</a>

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

<div id="content">

  <input id='i' value="bar">

  <textarea id='t'>bar</textarea>

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 595310 **/

SimpleTest.waitForExplicitFinish();

addLoadEvent(function() {

  // We want to compare to value="bar" and no placeholder shown.

  // That is what is currently showed.

  var s1 = snapshotWindow(window, false);

  var content = document.getElementById('content');

  var i = document.getElementById('i');

  var t = SpecialPowers.wrap(document.getElementById('t'));

  i.value = ""; i.placeholder = "foo";

  t.value = ""; t.placeholder = "foo";

  // Flushing.

  // Note: one call would have been enough actually but I didn't want to favour

  // one element... ;)

  i.getBoundingClientRect();

  t.getBoundingClientRect();

  function synthesizeDropText(aElement, aText)

    SpecialPowers.wrap(aElement).editor.insertText(aText);

  // We insert "bar" and we should only see "bar" now.

  synthesizeDropText(i, "bar");

  synthesizeDropText(t, "bar");

  var s2 = snapshotWindow(window, false);

  ok(compareSnapshots(s1, s2, true)[0],

     "When setting the value, the placeholder should disappear.");

  SimpleTest.finish();

});

</script>

</pre>

</body>

</html>