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<html>

<head>
  <title>iron-collapse-horizontal</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-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-collapse.html">
</head>
<body>

  <test-fixture id="test">
    <template>
      <iron-collapse id="collapse" opened horizontal>
        <div style="width:100px;">
          Lorem ipsum
        </div>
      </iron-collapse>
    </template>
  </test-fixture>

  <script>

    suite('horizontal', function() {

      var collapse;
      var collapseWidth;

      setup(function () {
        collapse = fixture('test');
        collapseWidth = getComputedStyle(collapse).width;
      });

      test('opened attribute', function() {
        assert.equal(collapse.opened, true);
      });

      test('horizontal attribute', function() {
        assert.equal(collapse.horizontal, true);
      });

      test('default opened width', function() {
        assert.equal(collapse.style.width, '');
      });

      test('set opened to false, then to true', function(done) {
        // This listener will be triggered twice (every time `opened` changes).
        collapse.addEventListener('transitionend', function() {
          if (collapse.opened) {
            // Check finalSize after animation is done.
            assert.equal(collapse.style.width, '');
            done();
          } else {
            // Check if size is still 0px.
            assert.equal(collapse.style.maxWidth, '0px');
            // Trigger 2nd toggle.
            collapse.opened = true;
            // Size should be immediately set.
            assert.equal(collapse.style.maxWidth, collapseWidth);
          }
        });
        // Trigger 1st toggle.
        collapse.opened = false;
        // Size should be immediately set.
        assert.equal(collapse.style.maxWidth, '0px');
      });

      test('change size with updateSize', function(done) {
        collapse.addEventListener('transitionend', function() {
          // size should be kept after transition
          assert.equal(collapse.style.maxWidth, "123px");
          done();
        });
        collapse.updateSize("123px", true);
      });

    });

  </script>

</body>

</html>