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<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>