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<!doctype html>
<!--
@license
Copyright (c) 2018 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="./test-flags.js"></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="../scoping-shim.min.js"></script>
<script src="../apply-shim.min.js"></script>
<script src="../custom-style-interface.min.js"></script>
<script src="module/generated/make-element.js"></script>
<template id="mixin-element">
<style>
:host {
background-color: rgb(0, 0, 255);
height: 100px;
display: block;
}
:host {
@apply --mixin;
}
</style>
</template>
<template id="outer-element">
<style>
:host > * {
--mixin: {
background-color: rgb(255, 0, 0);
}
}
</style>
<mixin-element></mixin-element>
</template>
<script>
suite('Mixin Fallbacks', function() {
suiteSetup(function() {
makeElement('mixin-element');
makeElement('outer-element');
});
test('outer-element sets mixin color', function() {
const el = document.createElement('outer-element');
document.body.appendChild(el);
const inner = el.shadowRoot.querySelector('mixin-element');
const color = getComputedStyle(inner).getPropertyValue('background-color').trim();
assert.equal(color, 'rgb(255, 0, 0)');
});
test('mixin-element by itself falls back correctly', function() {
const mixinOnly = document.createElement('mixin-element');
document.body.appendChild(mixinOnly);
const color = getComputedStyle(mixinOnly).getPropertyValue('background-color').trim();
assert.equal(color, 'rgb(0, 0, 255)');
});
});
</script>