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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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