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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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