<!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-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>