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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Shadow DOM: ShadowRoot interface</title> | |
| 5 <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> | |
| 6 <meta name="assert" content="ShadowRoot interface and its attributes must be def
ined"> | |
| 7 <link rel="help" href="https://w3c.github.io/webcomponents/spec/shadow/#the-shad
owroot-interface"> | |
| 8 <script src="../../../resources/testharness.js"></script> | |
| 9 <script src="../../../resources/testharnessreport.js"></script> | |
| 10 </head> | |
| 11 <body> | |
| 12 <div id="log"></div> | |
| 13 <script> | |
| 14 | |
| 15 test(function () { | |
| 16 assert_true('ShadowRoot' in window, '"ShadowRoot" exists on window'); | |
| 17 }, 'Check the existence of ShadowRoot interface'); | |
| 18 | |
| 19 test(function () { | |
| 20 assert_equals(ShadowRoot.prototype.__proto__, DocumentFragment.prototype, 'S
hadowRoot must inherit from DocumentFragment'); | |
| 21 }, 'ShadowRoot must inherit from DocumentFragment'); | |
| 22 | |
| 23 test(function () { | |
| 24 assert_throws({'name': 'TypeError'}, function () { new ShadowRoot(); }, 'new
ShadowRoot() must throw a TypeError'); | |
| 25 }, 'ShadowRoot must not be a constructor'); | |
| 26 | |
| 27 function testActiveElement(mode) { | |
| 28 test(function () { | |
| 29 var host = document.createElement('div'); | |
| 30 document.body.appendChild(host); | |
| 31 var shadowRoot = host.attachShadow({'mode': mode}); | |
| 32 shadowRoot.appendChild(document.createElement('input')); | |
| 33 assert_equals(shadowRoot.activeElement, null, 'ShadowRoot.host must retu
rn null if an ' + mode + ' shadow tree does not have a focused element'); | |
| 34 shadowRoot.firstChild.focus(); | |
| 35 assert_equals(shadowRoot.activeElement, shadowRoot.firstChild, 'ShadowRo
ot.host must return the focused element of an ' + mode + ' shadow tree'); | |
| 36 host.remove(); | |
| 37 assert_equals(shadowRoot.activeElement, null, 'ShadowRoot.host must retu
rn null if an ' + mode + ' shadow tree lost focus'); | |
| 38 }, 'ShadowRoot.activeElement must return the focused element of the context
object when shadow root is ' + mode + '.'); | |
| 39 } | |
| 40 | |
| 41 testActiveElement('open'); | |
| 42 testActiveElement('closed'); | |
| 43 | |
| 44 test(function () { | |
| 45 var host1 = document.createElement('div'); | |
| 46 assert_equals(host1.attachShadow({'mode': 'open'}).host, host1, 'ShadowRoot.
host must return the shadow host of an open shadow tree') | |
| 47 | |
| 48 var host2 = document.createElement('div'); | |
| 49 assert_equals(host2.attachShadow({'mode': 'closed'}).host, host2, 'ShadowRoo
t.host must return the shadow host of a closed shadow tree'); | |
| 50 }, 'ShadowRoot.host must return the shadow host of the context object.'); | |
| 51 | |
| 52 function testInnerHTML(mode) { | |
| 53 test(function () { | |
| 54 var host = document.createElement('div'); | |
| 55 var shadowRoot = host.attachShadow({'mode': mode}); | |
| 56 assert_equals(shadowRoot.innerHTML, '', 'ShadowRoot.innerHTML must be an
empty string when the shadow root does not have any children'); | |
| 57 | |
| 58 shadowRoot.appendChild(document.createTextNode('hello')); | |
| 59 assert_equals(shadowRoot.innerHTML, 'hello', 'ShadowRoot.innerHTML must
serialize a text node child'); | |
| 60 | |
| 61 shadowRoot.appendChild(document.createElement('span')); | |
| 62 assert_equals(shadowRoot.innerHTML, 'hello<span></span>', 'ShadowRoot.in
nerHTML must serialize a HTML element child'); | |
| 63 }, 'ShadowRoot.innerHTML must return the result of the HTML fragment seriali
zation algorithm when shadow root is ' + mode + '.'); | |
| 64 } | |
| 65 | |
| 66 testInnerHTML('open'); | |
| 67 testInnerHTML('closed'); | |
| 68 | |
| 69 function testSetInnerHTML(mode) { | |
| 70 test(function () { | |
| 71 var host = document.createElement('div'); | |
| 72 var shadowRoot = host.attachShadow({'mode': mode}); | |
| 73 shadowRoot.innerHTML = 'hello'; | |
| 74 assert_equals(shadowRoot.childNodes.length, 1, 'ShadowRoot.innerHTML = "
hello" must insert a single child (text node)'); | |
| 75 assert_true(shadowRoot.firstChild instanceof Text, 'The first child of t
he shadow root after ShadowRoot.innerHTML = "hello" must be a Text node'); | |
| 76 assert_equals(shadowRoot.firstChild.data, 'hello', 'The first Text node
should contain the string "hello" after ShadowRoot.innerHTML = "hello"'); | |
| 77 | |
| 78 shadowRoot.innerHTML = '<b>hello</b>'; | |
| 79 assert_equals(shadowRoot.childNodes.length, 1, 'ShadowRoot.innerHTML = "
<b>hello</b>" must insert a single child (b)'); | |
| 80 assert_true(shadowRoot.firstChild instanceof HTMLElement, 'The first chi
ld of the shadow root after ShadowRoot.innerHTML = "<b>hello</b>" must be a HTML
element'); | |
| 81 assert_equals(shadowRoot.firstChild.localName, 'b', 'The local name of t
he shadow root\'s first child after ShadowRoot.innerHTML = "<b>hello</b>" must b
e "b"'); | |
| 82 assert_equals(shadowRoot.innerHTML, '<b>hello</b>', 'ShadowRoot.innerHTM
L must be "<b>hello</b>" after ShadowRoot.innerHTML = "<b>hello</b>"'); | |
| 83 | |
| 84 shadowRoot.innerHTML = ''; | |
| 85 assert_equals(shadowRoot.childNodes.length, 0, 'ShadowRoot.innerHTML = "
" must remove all its children'); | |
| 86 }, 'ShadowRoot.innerHTML must replace all with the result of invoking the fr
agment parsing algorithm when shadow root is ' + mode + '.'); | |
| 87 } | |
| 88 | |
| 89 testSetInnerHTML('open'); | |
| 90 testSetInnerHTML('closed'); | |
| 91 | |
| 92 function testStyleSheets(mode) { | |
| 93 test(function () { | |
| 94 var host = document.createElement('div'); | |
| 95 var shadowRoot = host.attachShadow({'mode': mode}); | |
| 96 | |
| 97 assert_equals(shadowRoot.styleSheets.length, 0, 'shadowRoot.styleSheets
must be empty when the shadow root does not contain any stylesheets'); | |
| 98 shadowRoot.innerHTML = '<span></span><style> a.rule {} </style><style> b
.rule {} </style>'; | |
| 99 assert_equals(shadowRoot.styleSheets.length, 2, 'shadowRoot.styleSheets
must contain two items when the shadow root has two style elements'); | |
| 100 var styles = shadowRoot.querySelectorAll('style'); | |
| 101 assert_equals(shadowRoot.styleSheets[0], styles[0].sheet, 'shadowRoot.st
yleSheets[0] must be the first style element in the shadow root'); | |
| 102 assert_equals(shadowRoot.styleSheets[1], styles[1].sheet, 'shadowRoot.st
yleSheets[1] must be the second style element in the shadow root'); | |
| 103 }, 'ShadowRoot.styleSheets must return a StyleSheetList sequence containing
the shadow root style sheets when shadow root is ' + mode + '.'); | |
| 104 } | |
| 105 | |
| 106 testStyleSheets('open'); | |
| 107 testStyleSheets('closed'); | |
| 108 | |
| 109 </script> | |
| 110 </body> | |
| 111 </html> | |
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