dom/html/test/forms/test_input_number_focus.html


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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1268556
-->
<head>
  <title>Test focus behaviour for &lt;input type='number'&gt;</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.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=1268556">Mozilla Bug 1268556</a>
<p id="display"></p>
<div id="content">
  <input id="input" type="number">
</div>
<pre id="test">
<script type="application/javascript">

/**
 * Test for Bug 1268556.
 * This test checks that when focusing on an input type=number, the focus is
 * redirected to the anonymous text control, but the document.activeElement
 * still returns the <input type=number>.
 **/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  test();
  SimpleTest.finish();
});

function test() {
  var number = document.getElementById("input");
  number.focus();

  // The active element returns the input type=number.
  var activeElement = document.activeElement;
  is (activeElement, number, "activeElement should be the number element");
  is (activeElement.localName, "input", "activeElement should be an input element");
  is (activeElement.getAttribute("type"), "number", "activeElement should of type number");

  // Use FocusManager to check that the actual focus is on the anonymous
  // text control.
  var fm = SpecialPowers.Cc["@mozilla.org/focus-manager;1"]
                        .getService(SpecialPowers.Ci.nsIFocusManager);
  var focusedElement = fm.focusedElement;
  is (focusedElement.localName, "input", "focusedElement should be an input element");
  is (focusedElement.getAttribute("type"), "text", "focusedElement should of type text");
}

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