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<html> <head>

<title>iron-selector-next-previous</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">

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

</head> <body>

<test-fixture id="test1">
  <template>
    <iron-selector selected="0">
      <div>Item 0</div>
      <div>Item 1</div>
      <div>Item 2</div>
    </iron-selector>
  </template>
</test-fixture>

<test-fixture id="test2">
  <template>
    <iron-selector selected="foo" attr-for-selected="name">
      <div name="foo">Item Foo</div>
      <div name="bar">Item Bar</div>
      <div name="zot">Item Zot</div>
    </iron-selector>
  </template>
</test-fixture>

<script>

  var s;

  function assertAndSelect(method, expectedIndex) {
    assert.equal(s.selected, expectedIndex);
    s[method]();
  }

  suite('next/previous', function() {

    setup(function () {
      s = fixture('test1');
    });

    test('selectNext', function() {
      assert.equal(s.selected, 0);
      assertAndSelect('selectNext', 0);
      assertAndSelect('selectNext', 1);
      assertAndSelect('selectNext', 2);
      assert.equal(s.selected, 0);
    });

    test('selectPrevious', function() {
      assert.equal(s.selected, 0);
      assertAndSelect('selectPrevious', 0);
      assertAndSelect('selectPrevious', 2);
      assertAndSelect('selectPrevious', 1);
      assert.equal(s.selected, 0);
    });

    test('selectNext/Previous', function() {
      assert.equal(s.selected, 0);
      assertAndSelect('selectNext', 0);
      assertAndSelect('selectNext', 1);
      assertAndSelect('selectPrevious', 2);
      assertAndSelect('selectNext', 1);
      assertAndSelect('selectPrevious', 2);
      assert.equal(s.selected, 1);
    });

  });

  suite('next/previous attrForSelected', function() {

    setup(function () {
      s = fixture('test2');
    });

    test('selectNext', function() {
      assert.equal(s.selected, 'foo');
      assertAndSelect('selectNext', 'foo');
      assertAndSelect('selectNext', 'bar');
      assertAndSelect('selectNext', 'zot');
      assert.equal(s.selected, 'foo');
    });

    test('selectPrevious', function() {
      assert.equal(s.selected, 'foo');
      assertAndSelect('selectPrevious', 'foo');
      assertAndSelect('selectPrevious', 'zot');
      assertAndSelect('selectPrevious', 'bar');
      assert.equal(s.selected, 'foo');
    });

    test('selectNext/Previous', function() {
      assert.equal(s.selected, 'foo');
      assertAndSelect('selectNext', 'foo');
      assertAndSelect('selectNext', 'bar');
      assertAndSelect('selectPrevious', 'zot');
      assertAndSelect('selectNext', 'bar');
      assertAndSelect('selectPrevious', 'zot');
      assert.equal(s.selected, 'bar');
    });

  });

</script>

</body> </html>