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<!doctype html>
<!--
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://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 http://polymer.github.io/PATENTS.txt
-->
<script>
WCT = {waitFor: function (cb) {HTMLImports.whenReady(cb)}}
</script>
<script src="../../node_modules/wct-browser-legacy/browser.js"></script>
<script src="../../node_modules/@webcomponents/webcomponents-platform/webcomponents-platform.js"></script>
<script src="../../node_modules/es6-promise/dist/es6-promise.auto.min.js"></script>
<script src="../../node_modules/@webcomponents/template/template.js"></script>
<script src="../../node_modules/@webcomponents/html-imports/html-imports.min.js"></script>
<script src="../../node_modules/@webcomponents/shadydom/shadydom.min.js"></script>
<script src="../../node_modules/@webcomponents/custom-elements/custom-elements.min.js"></script>
<script src="../../custom-style-interface.min.js"></script>
<script src="../module/generated/make-element.js"></script>
<script src="../module/generated/custom-style-element.js"></script>

<custom-style>
  <style>
  html {
    --foo: rgb(123, 123, 123);
  }
  </style>
</custom-style>

<template id="x-inner">
  <style>
    :host {
      display: block;
      height: 100px;
      width: 100px;
      border: 4px solid blue;
      background-color: var(--foo);
    }
  </style>
</template>

<template id="x-outer">
  <style>
  :host {
    display: block;
  }
  </style>
  <x-inner></x-inner>
</template>

<x-outer id="target"></x-outer>

<script>
  suite('Custom Style upgrades', function() {
    suiteSetup(function() {
      makeElement('x-inner');
      makeElement('x-outer');
    });
    test('custom-style applies to deeply nested elements', function() {
      var target = document.querySelector('#target');
      var inner = target.shadowRoot.querySelector('x-inner');
      assert.equal(getComputedStyle(inner).backgroundColor, 'rgb(123, 123, 123)');
    });
  });
</script>