text: <!doctype html>
  <!--
  @license
  Copyright (c) 2015 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
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  subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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  <html>
  <head>
  
    <title>iron-selector-selected-attribute</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
  
    <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
    <script src="../../web-component-tester/browser.js"></script>
    <script src="../../test-fixture/test-fixture-mocha.js"></script>
  
    <link rel="import" href="../../test-fixture/test-fixture.html">
    <link rel="import" href="../iron-selector.html">
  </head>
  <body>
  
    <test-fixture id="test1">
      <template>
        <iron-selector>
          <div>Item 0</div>
          <div>Item 1</div>
          <div>Item 2</div>
          <span>Item 3</span>
        </iron-selector>
      </template>
    </test-fixture>
  
    <test-fixture id="test2">
      <template>
        <iron-selector>
          <div>Item 0</div>
          <div>Item 1</div>
          <div>Item 2</div>
          <p>Item 3</p>
        </iron-selector>
      </template>
    </test-fixture>
  
    <script>
  
      suite('excluded local names', function() {
  
        var test1, test2;
  
        setup(function () {
          test1 = fixture('test1');
          test2 = fixture('test2');
        });
  
        test('default `_excludedLocalNames`', function() {
          assert.isTrue('template' in test1._excludedLocalNames);
          assert.isTrue('template' in test2._excludedLocalNames);
        });
  
        test('custom `_excludedLocalNames`', function() {
          test1._excludedLocalNames.foo = 1;
  
          assert.isTrue('foo' in test1._excludedLocalNames);
          assert.isFalse('foo' in test2._excludedLocalNames);
        });
  
  
        test('items', function(done) {
          test1._excludedLocalNames.span = 1;
          test2._excludedLocalNames.div = 1;
          test1._updateItems();
          test2._updateItems();
  
          Polymer.Base.async(function() {
            var NOT_FOUND = -1;
            var items1 = test1.items.map(function(el) { return el.localName; });
            var items2 = test2.items.map(function(el) { return el.localName; });
  
            assert.equal(items1.indexOf('span'), NOT_FOUND);
            assert.equal(items2.indexOf('div'), NOT_FOUND);
            done();
          });
        });
  
      });
  
    </script>
  
  </body>
  </html>
  