<!doctype html> <!– @license Copyright © 2015 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt The complete set of authors may be found at polymer.github.io/AUTHORS.txt The complete set of contributors may be found at 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 polymer.github.io/PATENTS.txt –>

<html>

<head>

  <title>iron-pages-basic</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">

  <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
  <script src="../../web-component-tester/browser.js"></script>
  <link rel="import" href="../iron-pages.html">

</head>
<body>

  <test-fixture id="basic">
    <template>
      <iron-pages>
        <div id="page0">Page 0</div>
        <div id="page1">Page 1</div>
        <div id="page2">Page 2</div>
        <div id="page3">Page 3</div>
      </iron-pages>
    </template>
  </test-fixture>

  <script>

    suite('basic', function() {
      var pages;

      suite('defaults', function() {
        setup(function () {
          pages = fixture('basic');
        });

        test('to nothing selected', function() {
          assert.equal(pages.selected, undefined);
        });

        test('null activateEvent', function() {
          // `activateEvent` is not a useful feature for iron-pages and it can interfere
          // with ux; ensure iron-pages has cleared any default `activateEvent`
          assert.equal(pages.activateEvent, null);
        });

        test('to iron-selected as selectedClass', function() {
          assert.equal(pages.selectedClass, 'iron-selected');
        });

        test('as many items as children', function() {
          assert.equal(pages.items.length, 4);
        });

        test('all pages are display:none', function() {
          pages.items.forEach(function(p) {
            assert.equal(getComputedStyle(p).display, 'none');
          });
        });
      });

      suite('set the selected attribute', function() {
        setup(function () {
          pages = fixture('basic');
          pages.selected = 0;
        });

        test('selected value', function() {
          assert.equal(pages.selected, '0');
        });

        test('selected item', function() {
          assert.equal(pages.selectedItem, pages.items[0]);
        });

        test('selected item is display:block and all others are display:none', function() {
          pages.items.forEach(function(p) {
            assert.equal(getComputedStyle(p).display, p == pages.selectedItem ? 'block' : 'none');
          });
        });
      });

    });

  </script>

</body>

</html>