a11y.html - Android社区 - https://www.androidos.net.cn/

<!doctype html>
<!--
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
  <meta charset="UTF-8">
  <title>paper-fab a11y tests</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">

  <script src="../../webcomponentsjs/webcomponents.js"></script>
  <script src="../../web-component-tester/browser.js"></script>

  <link href="../../core-icons/core-icons.html" rel="import">
  <link href="../paper-fab.html" rel="import">

</head>
<body>

  <paper-fab id="fab1" icon="add"></paper-fab>

  <paper-fab id="fab2" icon="add" disabled></paper-fab>

  <paper-fab id="fab3" icon="add" aria-label="custom"></paper-fab>

  <script>

    var f1 = document.getElementById('fab1');
    var f2 = document.getElementById('fab2');
    var f3 = document.getElementById('fab3');

    test('aria role is a button', function() {
      assert.strictEqual(f1.getAttribute('role'), 'button');
    });

    test('aria-disabled is set', function(done) {
      assert.ok(f2.hasAttribute('aria-disabled'));
      f2.removeAttribute('disabled');
      flush(function() {
        assert.ok(!f2.hasAttribute('aria-disabled'));
        done();
      });
    });

    test('aria-label is set', function() {
      assert.strictEqual(f1.getAttribute('aria-label'), 'add');
    });

    test('user-defined aria-label is preserved', function(done) {
      assert.strictEqual(f3.getAttribute('aria-label'), 'custom');
      f3.icon = 'arrow-forward';
      flush(function() {
        assert.strictEqual(f3.getAttribute('aria-label'), 'custom');
        done();
      });
    });

  </script>

</body>
</html>