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1 <!DOCTYPE html> | |
2 <html> | |
3 <head> | |
4 <title>Shadow DOM: Attaching a ShadowRoot</title> | |
5 <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> | |
6 <meta name="assert" content="Element.prototype.attachShadow should create an ins
tance of ShadowRoot"> | |
7 <link rel="help" href="https://w3c.github.io/webcomponents/spec/shadow/#widl-Ele
ment-attachShadow-ShadowRoot-ShadowRootInit-shadowRootInitDict"> | |
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('attachShadow' in Element.prototype, 'Element.prototype.attachSh
adow must exist'); | |
17 assert_equals(typeof(document.createElement('div').attachShadow), 'function'
, 'An instance of div must have attachShadow which is a function'); | |
18 }, 'Check the existence of Element.attachShadow'); | |
19 | |
20 test(function () { | |
21 assert_false('attachShadow' in Node.prototype, 'Node.prototype.attachShadow
must not exist'); | |
22 assert_false('attachShadow' in CharacterData.prototype, 'CharacterData.proto
type.attachShadow must not exist'); | |
23 assert_false('attachShadow' in Comment.prototype, 'Comment.prototype.attachS
hadow must not exist'); | |
24 assert_equals(typeof(document.createComment('').attachShadow), 'undefined',
'An instance of comment must not have attachShadow'); | |
25 assert_false('attachShadow' in Document.prototype, 'Document.prototype.attac
hShadow must not exist'); | |
26 assert_equals(typeof(document.attachShadow), 'undefined', 'An instance of do
cument must not have attachShadow which is a function'); | |
27 assert_false('attachShadow' in DocumentFragment.prototype, 'DocumentFragment
.prototype.attachShadow must not exist'); | |
28 assert_equals(typeof((new DOMParser()).parseFromString('', 'text/html').atta
chShadow), 'undefined', 'An instance of document must not have attachShadow whic
h is a function'); | |
29 assert_false('attachShadow' in Text.prototype, 'Text.prototype.attachShadow
must not exist'); | |
30 assert_equals(typeof(document.createTextNode('').attachShadow), 'undefined',
'An instance of text node must not have attachShadow'); | |
31 }, 'Nodes other than Element should not have attachShadow'); | |
32 | |
33 test(function () { | |
34 assert_throws({'name': 'TypeError'}, function () { | |
35 document.createElement('div').attachShadow({}) | |
36 }, 'attachShadow must throw a TypeError when mode is omitted'); | |
37 | |
38 assert_throws({'name': 'TypeError'}, function () { | |
39 document.createElement('div').attachShadow({mode: true}) | |
40 }, 'attachShadow must throw a TypeError when mode is a boolean'); | |
41 | |
42 assert_throws({'name': 'TypeError'}, function () { | |
43 document.createElement('div').attachShadow({mode: 1}) | |
44 }, 'attachShadow must throw a TypeError when mode is 1'); | |
45 }, 'Element.attachShadow must throw a TypeError if mode is not "open" or "closed
"'); | |
46 | |
47 test(function () { | |
48 assert_true(document.createElement('div').attachShadow({mode: "open"}) insta
nceof ShadowRoot, | |
49 'attachShadow({mode: "open"}) should create an instance of ShadowRoot'); | |
50 assert_true(document.createElement('div').attachShadow({mode: "closed"}) ins
tanceof ShadowRoot, | |
51 'attachShadow({mode: "closed"}) should create an instance of ShadowRoot'
); | |
52 }, 'Element.attachShadow must create an instance of ShadowRoot'); | |
53 | |
54 test(function () { | |
55 assert_throws({'name': 'InvalidStateError'}, function () { | |
56 var div = document.createElement('div'); | |
57 div.attachShadow({mode: "open"}); | |
58 div.attachShadow({mode: "open"}); | |
59 }, 'Calling attachShadow({mode: "open"}) twice on the same element must thro
w'); | |
60 | |
61 assert_throws({'name': 'InvalidStateError'}, function () { | |
62 var div = document.createElement('div'); | |
63 div.attachShadow({mode: "closed"}); | |
64 div.attachShadow({mode: "closed"}); | |
65 }, 'Calling attachShadow({mode: "closed"}) twice on the same element must th
row'); | |
66 | |
67 assert_throws({'name': 'InvalidStateError'}, function () { | |
68 var div = document.createElement('div'); | |
69 div.attachShadow({mode: "open"}); | |
70 div.attachShadow({mode: "closed"}); | |
71 }, 'Calling attachShadow({mode: "closed"}) after attachShadow({mode: "open"}
) on the same element must throw'); | |
72 | |
73 assert_throws({'name': 'InvalidStateError'}, function () { | |
74 var div = document.createElement('div'); | |
75 div.attachShadow({mode: "closed"}); | |
76 div.attachShadow({mode: "open"}); | |
77 }, 'Calling attachShadow({mode: "open"}) after attachShadow({mode: "closed"}
) on the same element must throw'); | |
78 }, 'Element.attachShadow must throw a InvalidStateError if the context object al
ready hosts a shadow tree'); | |
79 | |
80 test(function () { | |
81 for (var elementName of ['button', 'details', 'input', 'marquee', 'meter', '
progress', 'select', 'textarea', 'keygen']) { | |
82 assert_throws({'name': 'NotSupportedError'}, function () { | |
83 document.createElement(elementName).attachShadow({mode: "open"}); | |
84 }, 'Calling attachShadow({mode: "open"}) on ' + elementName + ' element
must throw'); | |
85 | |
86 assert_throws({'name': 'NotSupportedError'}, function () { | |
87 document.createElement(elementName).attachShadow({mode: "closed"}); | |
88 }, 'Calling attachShadow({mode: "closed"}) on ' + elementName + ' elemen
t must throw'); | |
89 } | |
90 }, 'Element.attachShadow must throw a NotSupportedError for button, details, inp
ut, marquee, meter, progress, select, textarea, and keygen elements'); | |
91 | |
92 </script> | |
93 </body> | |
94 </html> | |
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