<!doctype html> <!– @license Copyright © 2016 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at polymer.github.io/LICENSE The complete set of authors may be found at polymer.github.io/AUTHORS The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS 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 –> <html> <head>

<meta charset="UTF-8">
<title>test for the blend-background effect</title>
<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="../app-scroll-effects.html">
<link rel="import" href="x-container.html">
<link rel="import" href="utils.html">

<style>
  body {
    margin: 0;
    padding: 0;
    height: 1000vh;
  }

  x-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
  }
</style>

</head> <body>

<test-fixture id="testHeader">
  <template>
    <x-container effects="blend-background"></x-container>
  </template>
</test-fixture>

<script>

  suite('basic features', function() {
    var container;

    setup(function() {
      container = fixture('testHeader');
    });

    test('effect outputs', function(done) {
      flush(function() {
        container._updateScrollState(0);

        assert.isTrue(sameCSS(container.$.backgroundFrontLayer,
            'will-change: opacity; transform: translateZ(0px); opacity: 1;'),
            'backgroundFrontLayer when progress = 0');

        assert.isTrue(sameCSS(container.$.backgroundRearLayer,
            'will-change: opacity; transform: translateZ(0px); opacity: 0;'),
            'backgroundRearLayer when progress = 0');

        container._updateScrollState(container.offsetHeight);

        assert.isTrue(sameCSS(container.$.backgroundFrontLayer,
            'will-change: opacity; transform: translateZ(0px); opacity: 0;'),
            'backgroundFrontLayer when progress = 1');

        assert.isTrue(sameCSS(container.$.backgroundRearLayer,
            'will-change: opacity; transform: translateZ(0px); opacity: 1;'),
            'backgroundRearLayer when progress = 1');

        done();
      });
    });

  });

</script>

</body> </html>