зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
5.3 KiB
HTML
95 строки
5.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Shadow DOM: Attaching a ShadowRoot</title>
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<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
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<meta name="assert" content="Element.prototype.attachShadow should create an instance of ShadowRoot">
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<link rel="help" href="https://w3c.github.io/webcomponents/spec/shadow/#widl-Element-attachShadow-ShadowRoot-ShadowRootInit-shadowRootInitDict">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<div id="log"></div>
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<script>
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test(function () {
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assert_true('attachShadow' in Element.prototype, 'Element.prototype.attachShadow must exist');
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assert_equals(typeof(document.createElement('div').attachShadow), 'function', 'An instance of div must have attachShadow which is a function');
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}, 'Check the existence of Element.attachShadow');
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test(function () {
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assert_false('attachShadow' in Node.prototype, 'Node.prototype.attachShadow must not exist');
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assert_false('attachShadow' in CharacterData.prototype, 'CharacterData.prototype.attachShadow must not exist');
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assert_false('attachShadow' in Comment.prototype, 'Comment.prototype.attachShadow must not exist');
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assert_equals(typeof(document.createComment('').attachShadow), 'undefined', 'An instance of comment must not have attachShadow');
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assert_false('attachShadow' in Document.prototype, 'Document.prototype.attachShadow must not exist');
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assert_equals(typeof(document.attachShadow), 'undefined', 'An instance of document must not have attachShadow which is a function');
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assert_false('attachShadow' in DocumentFragment.prototype, 'DocumentFragment.prototype.attachShadow must not exist');
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assert_equals(typeof((new DOMParser()).parseFromString('', 'text/html').attachShadow), 'undefined', 'An instance of document must not have attachShadow which is a function');
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assert_false('attachShadow' in Text.prototype, 'Text.prototype.attachShadow must not exist');
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assert_equals(typeof(document.createTextNode('').attachShadow), 'undefined', 'An instance of text node must not have attachShadow');
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}, 'Nodes other than Element should not have attachShadow');
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test(function () {
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assert_throws({'name': 'TypeError'}, function () {
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document.createElement('div').attachShadow({})
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}, 'attachShadow must throw a TypeError when mode is omitted');
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assert_throws({'name': 'TypeError'}, function () {
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document.createElement('div').attachShadow({mode: true})
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}, 'attachShadow must throw a TypeError when mode is a boolean');
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assert_throws({'name': 'TypeError'}, function () {
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document.createElement('div').attachShadow({mode: 1})
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}, 'attachShadow must throw a TypeError when mode is 1');
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}, 'Element.attachShadow must throw a TypeError if mode is not "open" or "closed"');
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test(function () {
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assert_true(document.createElement('div').attachShadow({mode: "open"}) instanceof ShadowRoot,
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'attachShadow({mode: "open"}) should create an instance of ShadowRoot');
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assert_true(document.createElement('div').attachShadow({mode: "closed"}) instanceof ShadowRoot,
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'attachShadow({mode: "closed"}) should create an instance of ShadowRoot');
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}, 'Element.attachShadow must create an instance of ShadowRoot');
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test(function () {
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assert_throws({'name': 'InvalidStateError'}, function () {
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var div = document.createElement('div');
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div.attachShadow({mode: "open"});
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div.attachShadow({mode: "open"});
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}, 'Calling attachShadow({mode: "open"}) twice on the same element must throw');
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assert_throws({'name': 'InvalidStateError'}, function () {
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var div = document.createElement('div');
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div.attachShadow({mode: "closed"});
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div.attachShadow({mode: "closed"});
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}, 'Calling attachShadow({mode: "closed"}) twice on the same element must throw');
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assert_throws({'name': 'InvalidStateError'}, function () {
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var div = document.createElement('div');
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div.attachShadow({mode: "open"});
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div.attachShadow({mode: "closed"});
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}, 'Calling attachShadow({mode: "closed"}) after attachShadow({mode: "open"}) on the same element must throw');
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assert_throws({'name': 'InvalidStateError'}, function () {
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var div = document.createElement('div');
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div.attachShadow({mode: "closed"});
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div.attachShadow({mode: "open"});
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}, 'Calling attachShadow({mode: "open"}) after attachShadow({mode: "closed"}) on the same element must throw');
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}, 'Element.attachShadow must throw a InvalidStateError if the context object already hosts a shadow tree');
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test(function () {
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for (var elementName of ['button', 'details', 'input', 'marquee', 'meter', 'progress', 'select', 'textarea', 'keygen']) {
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assert_throws({'name': 'NotSupportedError'}, function () {
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document.createElement(elementName).attachShadow({mode: "open"});
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}, 'Calling attachShadow({mode: "open"}) on ' + elementName + ' element must throw');
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assert_throws({'name': 'NotSupportedError'}, function () {
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document.createElement(elementName).attachShadow({mode: "closed"});
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}, 'Calling attachShadow({mode: "closed"}) on ' + elementName + ' element must throw');
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}
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}, 'Element.attachShadow must throw a NotSupportedError for button, details, input, marquee, meter, progress, select, textarea, and keygen elements');
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</script>
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</body>
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</html>
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