mirror of
https://github.com/Polymer/polymer.git
synced 2025-02-25 18:55:30 -06:00
122 lines
3.2 KiB
HTML
122 lines
3.2 KiB
HTML
<!doctype html>
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<!--
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@license
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Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<html>
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<head>
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<meta charset="utf-8">
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<script src="../../../webcomponentsjs/webcomponents.js"></script>
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<script src="../../../web-component-tester/browser.js"></script>
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<script>
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Polymer = {dom: 'shadow'};
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</script>
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<link rel="import" href="../../polymer.html">
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</head>
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<body>
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<style is="custom-style">
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unknown-host {
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display: block;
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}
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:root {
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--border: 2px solid steelblue;
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}
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</style>
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<script>
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HTMLImports.whenReady(function() {
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// define unknown-host
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var proto = Object.create(HTMLElement.prototype);
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proto.createdCallback = function() {
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this.root = this.createShadowRoot();
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}
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document.registerElement('unknown-host', {prototype: proto});
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});
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</script>
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<dom-module id="x-foo">
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<style>
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:host {
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border: var(--border);
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display: block;
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}
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</style>
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<template>
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x-foo
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</template>
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<script>
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HTMLImports.whenReady(function() {
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Polymer({
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is: 'x-foo'
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});
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});
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</script>
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</dom-module>
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<dom-module id="x-nest">
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<style>
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:host {
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--border: 4px solid tomato;
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}
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</style>
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<template>
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<unknown-host id="unknown"></unknown-host>
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</template>
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<script>
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HTMLImports.whenReady(function() {
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Polymer({
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is: 'x-nest',
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attached: function() {
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this.$.unknown.root.appendChild(document.createElement('x-foo'));
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}
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});
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});
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</script>
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</dom-module>
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<script>
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suite('scoped-styling-unknown-host', function() {
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function assertComputed(element, value, pseudo) {
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var computed = getComputedStyle(element, pseudo);
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assert.equal(computed['border-top-width'], value, 'computed style incorrect');
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}
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function assertStylePropertyValue(properties, name, includeValue) {
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assert.property(properties, name);
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assert.include(properties[name], includeValue);
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}
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test('element in top level unknown host styled via property defaults', function() {
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var host = document.createElement('unknown-host');
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var foo = document.createElement('x-foo');
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host.root.appendChild(foo);
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document.body.appendChild(host);
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CustomElements.takeRecords();
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assertComputed(foo, '2px');
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});
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test('element in unknown host styled via containing polymer element', function() {
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var n = document.createElement('x-nest');
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document.body.appendChild(n);
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CustomElements.takeRecords();
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var foo = Polymer.dom(n.$.unknown.root).querySelector('x-foo');
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assertComputed(foo, '4px');
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});
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});
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</script>
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</body>
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