third_party/web_platform_tests/shadow-dom/ShadowRoot-interface.html - cobalt - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <title>Shadow DOM: ShadowRoot interface</title>
 <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
 <meta name="assert" content="ShadowRoot interface and its attributes must be defined">
 <link rel="help" href="https://w3c.github.io/webcomponents/spec/shadow/#the-shadowroot-interface">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <link rel='stylesheet' href='/resources/testharness.css'>
 </head>
 <body>
 <div id="log"></div>
 <script>

 test(function () {
     assert_true('ShadowRoot' in window, '"ShadowRoot" exists on window');
 }, 'Check the existence of ShadowRoot interface');

 test(function () {
     assert_equals(ShadowRoot.prototype.__proto__, DocumentFragment.prototype, 'ShadowRoot must inherit from DocumentFragment');
 }, 'ShadowRoot must inherit from DocumentFragment');

 test(function () {
     assert_throws({'name': 'TypeError'}, function () { new ShadowRoot(); }, 'new ShadowRoot() must throw a TypeError');
 }, 'ShadowRoot must not be a constructor');

 function testActiveElement(mode) {
     test(function () {
         var host = document.createElement('div');
         document.body.appendChild(host);
         var shadowRoot = host.attachShadow({'mode': mode});
         shadowRoot.appendChild(document.createElement('input'));
         assert_equals(shadowRoot.activeElement, null, 'ShadowRoot.host must return null if an ' + mode + ' shadow tree does not have a focused element');
         shadowRoot.firstChild.focus();
         assert_equals(shadowRoot.activeElement, shadowRoot.firstChild, 'ShadowRoot.host must return the focused element of an ' + mode + ' shadow tree');
         host.remove();
         assert_equals(shadowRoot.activeElement, null, 'ShadowRoot.host must return null if an ' + mode + ' shadow tree lost focus');
     }, 'ShadowRoot.activeElement must return the focused element of the context object when shadow root is ' + mode + '.');
 }

 testActiveElement('open');
 testActiveElement('closed');

 test(function () {
     var host1 = document.createElement('div');
     assert_equals(host1.attachShadow({'mode': 'open'}).host, host1, 'ShadowRoot.host must return the shadow host of an open shadow tree')

     var host2 = document.createElement('div');
     assert_equals(host2.attachShadow({'mode': 'closed'}).host, host2, 'ShadowRoot.host must return the shadow host of a closed shadow tree');
 }, 'ShadowRoot.host must return the shadow host of the context object.');

 function testInnerHTML(mode) {
     test(function () {
         var host = document.createElement('div');
         var shadowRoot = host.attachShadow({'mode': mode});
         assert_equals(shadowRoot.innerHTML, '', 'ShadowRoot.innerHTML must be an empty string when the shadow root does not have any children');

         shadowRoot.appendChild(document.createTextNode('hello'));
         assert_equals(shadowRoot.innerHTML, 'hello', 'ShadowRoot.innerHTML must serialize a text node child');

         shadowRoot.appendChild(document.createElement('span'));
         assert_equals(shadowRoot.innerHTML, 'hello<span></span>', 'ShadowRoot.innerHTML must serialize a HTML element child');
     }, 'ShadowRoot.innerHTML must return the result of the HTML fragment serialization algorithm when shadow root is ' + mode + '.');
 }

 testInnerHTML('open');
 testInnerHTML('closed');

 function testSetInnerHTML(mode) {
     test(function () {
         var host = document.createElement('div');
         var shadowRoot = host.attachShadow({'mode': mode});
         shadowRoot.innerHTML = 'hello';
         assert_equals(shadowRoot.childNodes.length, 1, 'ShadowRoot.innerHTML = "hello" must insert a single child (text node)');
         assert_true(shadowRoot.firstChild instanceof Text, 'The first child of the shadow root after ShadowRoot.innerHTML = "hello" must be a Text node');
         assert_equals(shadowRoot.firstChild.data, 'hello', 'The first Text node should contain the string "hello" after ShadowRoot.innerHTML = "hello"');

         shadowRoot.innerHTML = '<b>hello</b>';
         assert_equals(shadowRoot.childNodes.length, 1, 'ShadowRoot.innerHTML = "<b>hello</b>" must insert a single child (b)');
         assert_true(shadowRoot.firstChild instanceof HTMLElement, 'The first child of the shadow root after ShadowRoot.innerHTML = "<b>hello</b>" must be a HTML element');
         assert_equals(shadowRoot.firstChild.localName, 'b', 'The local name of the shadow root\'s first child after ShadowRoot.innerHTML = "<b>hello</b>" must be "b"');
         assert_equals(shadowRoot.innerHTML, '<b>hello</b>', 'ShadowRoot.innerHTML must be "<b>hello</b>" after ShadowRoot.innerHTML = "<b>hello</b>"');

         shadowRoot.innerHTML = '';
         assert_equals(shadowRoot.childNodes.length, 0, 'ShadowRoot.innerHTML = "" must remove all its children');
     }, 'ShadowRoot.innerHTML must replace all with the result of invoking the fragment parsing algorithm when shadow root is ' + mode + '.');
 }

 testSetInnerHTML('open');
 testSetInnerHTML('closed');

 function testStyleSheets(mode) {
     test(function () {
         var host = document.createElement('div');
         var shadowRoot = host.attachShadow({'mode': mode});

         assert_equals(shadowRoot.styleSheets.length, 0, 'shadowRoot.styleSheets must be empty when the shadow root does not contain any stylesheets');
         shadowRoot.innerHTML = '<span></span><style> a.rule {} </style><style> b.rule {} </style>';
         assert_equals(shadowRoot.styleSheets.length, 2, 'shadowRoot.styleSheets must contain two items when the shadow root has two style elements');
         var styles = shadowRoot.querySelectorAll('style');
         assert_equals(shadowRoot.styleSheets[0], styles[0].sheet, 'shadowRoot.styleSheets[0] must be the first style element in the shadow root');
         assert_equals(shadowRoot.styleSheets[1], styles[1].sheet, 'shadowRoot.styleSheets[1] must be the second style element in the shadow root');
     }, 'ShadowRoot.styleSheets must return a StyleSheetList sequence containing the shadow root style sheets when shadow root is ' + mode + '.');
 }

 testStyleSheets('open');
 testStyleSheets('closed');

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Shadow DOM: ShadowRoot interface</title>
	<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
	<meta name="assert" content="ShadowRoot interface and its attributes must be defined">
	<link rel="help" href="https://w3c.github.io/webcomponents/spec/shadow/#the-shadowroot-interface">
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<link rel='stylesheet' href='/resources/testharness.css'>
	</head>
	<body>
	<div id="log"></div>
	<script>

	test(function () {
	assert_true('ShadowRoot' in window, '"ShadowRoot" exists on window');
	}, 'Check the existence of ShadowRoot interface');

	test(function () {
	assert_equals(ShadowRoot.prototype.__proto__, DocumentFragment.prototype, 'ShadowRoot must inherit from DocumentFragment');
	}, 'ShadowRoot must inherit from DocumentFragment');

	test(function () {
	assert_throws({'name': 'TypeError'}, function () { new ShadowRoot(); }, 'new ShadowRoot() must throw a TypeError');
	}, 'ShadowRoot must not be a constructor');

	function testActiveElement(mode) {
	test(function () {
	var host = document.createElement('div');
	document.body.appendChild(host);
	var shadowRoot = host.attachShadow({'mode': mode});
	shadowRoot.appendChild(document.createElement('input'));
	assert_equals(shadowRoot.activeElement, null, 'ShadowRoot.host must return null if an ' + mode + ' shadow tree does not have a focused element');
	shadowRoot.firstChild.focus();
	assert_equals(shadowRoot.activeElement, shadowRoot.firstChild, 'ShadowRoot.host must return the focused element of an ' + mode + ' shadow tree');
	host.remove();
	assert_equals(shadowRoot.activeElement, null, 'ShadowRoot.host must return null if an ' + mode + ' shadow tree lost focus');
	}, 'ShadowRoot.activeElement must return the focused element of the context object when shadow root is ' + mode + '.');
	}

	testActiveElement('open');
	testActiveElement('closed');

	test(function () {
	var host1 = document.createElement('div');
	assert_equals(host1.attachShadow({'mode': 'open'}).host, host1, 'ShadowRoot.host must return the shadow host of an open shadow tree')

	var host2 = document.createElement('div');
	assert_equals(host2.attachShadow({'mode': 'closed'}).host, host2, 'ShadowRoot.host must return the shadow host of a closed shadow tree');
	}, 'ShadowRoot.host must return the shadow host of the context object.');

	function testInnerHTML(mode) {
	test(function () {
	var host = document.createElement('div');
	var shadowRoot = host.attachShadow({'mode': mode});
	assert_equals(shadowRoot.innerHTML, '', 'ShadowRoot.innerHTML must be an empty string when the shadow root does not have any children');

	shadowRoot.appendChild(document.createTextNode('hello'));
	assert_equals(shadowRoot.innerHTML, 'hello', 'ShadowRoot.innerHTML must serialize a text node child');

	shadowRoot.appendChild(document.createElement('span'));
	assert_equals(shadowRoot.innerHTML, 'hello<span></span>', 'ShadowRoot.innerHTML must serialize a HTML element child');
	}, 'ShadowRoot.innerHTML must return the result of the HTML fragment serialization algorithm when shadow root is ' + mode + '.');
	}

	testInnerHTML('open');
	testInnerHTML('closed');

	function testSetInnerHTML(mode) {
	test(function () {
	var host = document.createElement('div');
	var shadowRoot = host.attachShadow({'mode': mode});
	shadowRoot.innerHTML = 'hello';
	assert_equals(shadowRoot.childNodes.length, 1, 'ShadowRoot.innerHTML = "hello" must insert a single child (text node)');
	assert_true(shadowRoot.firstChild instanceof Text, 'The first child of the shadow root after ShadowRoot.innerHTML = "hello" must be a Text node');
	assert_equals(shadowRoot.firstChild.data, 'hello', 'The first Text node should contain the string "hello" after ShadowRoot.innerHTML = "hello"');

	shadowRoot.innerHTML = '<b>hello</b>';
	assert_equals(shadowRoot.childNodes.length, 1, 'ShadowRoot.innerHTML = "<b>hello</b>" must insert a single child (b)');
	assert_true(shadowRoot.firstChild instanceof HTMLElement, 'The first child of the shadow root after ShadowRoot.innerHTML = "<b>hello</b>" must be a HTML element');
	assert_equals(shadowRoot.firstChild.localName, 'b', 'The local name of the shadow root\'s first child after ShadowRoot.innerHTML = "<b>hello</b>" must be "b"');
	assert_equals(shadowRoot.innerHTML, '<b>hello</b>', 'ShadowRoot.innerHTML must be "<b>hello</b>" after ShadowRoot.innerHTML = "<b>hello</b>"');

	shadowRoot.innerHTML = '';
	assert_equals(shadowRoot.childNodes.length, 0, 'ShadowRoot.innerHTML = "" must remove all its children');
	}, 'ShadowRoot.innerHTML must replace all with the result of invoking the fragment parsing algorithm when shadow root is ' + mode + '.');
	}

	testSetInnerHTML('open');
	testSetInnerHTML('closed');

	function testStyleSheets(mode) {
	test(function () {
	var host = document.createElement('div');
	var shadowRoot = host.attachShadow({'mode': mode});

	assert_equals(shadowRoot.styleSheets.length, 0, 'shadowRoot.styleSheets must be empty when the shadow root does not contain any stylesheets');
	shadowRoot.innerHTML = '<span></span><style> a.rule {} </style><style> b.rule {} </style>';
	assert_equals(shadowRoot.styleSheets.length, 2, 'shadowRoot.styleSheets must contain two items when the shadow root has two style elements');
	var styles = shadowRoot.querySelectorAll('style');
	assert_equals(shadowRoot.styleSheets[0], styles[0].sheet, 'shadowRoot.styleSheets[0] must be the first style element in the shadow root');
	assert_equals(shadowRoot.styleSheets[1], styles[1].sheet, 'shadowRoot.styleSheets[1] must be the second style element in the shadow root');
	}, 'ShadowRoot.styleSheets must return a StyleSheetList sequence containing the shadow root style sheets when shadow root is ' + mode + '.');
	}

	testStyleSheets('open');
	testStyleSheets('closed');

	</script>
	</body>
	</html>