<!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
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>

  <title>iron-selector-template-repeat</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>

  <link rel="import" href="../iron-selector.html">

  <style>
    .iron-selected {
      background: #ccc;
    }
  </style>

</head>
<body>

  <template is="dom-bind">
    <iron-selector id="selector" selected="1">
      <template id="t" is="dom-repeat">
        <div id$="[[item.name]]">{{item.name}}</div>
      </template>
    </iron-selector>
  </template>

  <script>

    suite('dom-repeat', function() {

      var scope, s, t;

      setup(function() {
        scope = document.querySelector('template[is="dom-bind"]');
        s = scope.$.selector;
        t = scope.$.t;
        t.items = [{name:'item0'}, {name: 'item1'}, {name: 'item2'}, {name: 'item3'}];
      });

      teardown(function() {
        t.items = [];
      });

      test('supports repeated items', function() {
        t.render();
        // check items
        assert.equal(s.items.length, 4);
        // check selected
        assert.equal(s.selected, 1);
        // check selected item
        var item = s.selectedItem;
        assert.equal(s.items[1], item);
        // check selected class
        assert.isTrue(item.classList.contains('iron-selected'));
      });

      test('update items', function() {
        t.render();
        // check items
        assert.equal(s.items.length, 4);
        // check selected
        assert.equal(s.selected, 1);
        // update items
        t.items = [{name:'foo'}, {name: 'bar'}];
        t.render();
        // check items
        assert.equal(s.items.length, 2);
        // check selected (should still honor the selected)
        assert.equal(s.selected, 1);
        // check selected class
        assert.isTrue(s.querySelector('#bar').classList.contains('iron-selected'));
      });

      test('set selected to something else', function() {
        t.render();
        // set selected to something else
        s.selected = 3;
        // check selected item
        var item = s.selectedItem;
        assert.equal(s.items[3], item);
        // check selected class
        assert.isTrue(item.classList.contains('iron-selected'));
      });

    });

  </script>

</body>
</html>