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Import a test for Slotable interface from WebKit. (#3787)
Both Chrome and WebKit pass all the test cases.
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<!DOCTYPE html> | ||
<html> | ||
<head> | ||
<title>Shadow DOM: Slotable interface</title> | ||
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> | ||
<meta name="assert" content="Element and Text interfaces must implement Slotable interface"> | ||
<link rel="help" href="https://dom.spec.whatwg.org/#slotable"> | ||
<script src="/resources/testharness.js"></script> | ||
<script src="/resources/testharnessreport.js"></script> | ||
</head> | ||
<body> | ||
<div id="log"></div> | ||
<script> | ||
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test(function () { | ||
assert_true('assignedSlot' in Element.prototype, 'assignedSlot must be defined on Element.prototype'); | ||
assert_true('assignedSlot' in document.createElement('div'), 'assignedSlot must be defined on a div element'); | ||
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assert_true('assignedSlot' in Text.prototype, 'assignedSlot must be defined on Text.prototype'); | ||
assert_true('assignedSlot' in document.createTextNode(''), 'assignedSlot must be defined on a text node'); | ||
assert_false('assignedSlot' in document.createComment(''), 'assignedSlot must not be defined on a comment node'); | ||
assert_false('assignedSlot' in document.createProcessingInstruction('target', 'data'), 'assignedSlot must not be defined on a processing instruction node'); | ||
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}, 'assignedSlot attribute must be defined on Element and Text interfaces'); | ||
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test(function () { | ||
assert_equals(document.createElement('div').assignedSlot, null, 'assignedSlot must be null when the element is not in any tree'); | ||
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var shadowHost = document.createElement('div'); | ||
var shadowRoot = shadowHost.attachShadow({mode: 'open'}); | ||
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var childElement = document.createElement('b'); | ||
shadowHost.appendChild(childElement); | ||
assert_equals(childElement.assignedSlot, null, 'assignedSlot on an element must be null when a node is not assigned of any slot'); | ||
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var childTextNode = document.createTextNode(''); | ||
shadowHost.appendChild(childTextNode); | ||
assert_equals(childTextNode.assignedSlot, null, 'assignedSlot on a text node must be null when a node is not assigned of any slot'); | ||
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var slot = document.createElement('slot'); | ||
slot.name = 'foo'; | ||
shadowRoot.appendChild(slot); | ||
assert_equals(childElement.assignedSlot, null, 'assignedSlot on an element must be null when a node does not match any slot'); | ||
assert_equals(childTextNode.assignedSlot, null, 'assignedSlot on a text node must be null when a node does not match any slot'); | ||
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}, 'assignedSlot must return null when the node does not have an assigned node'); | ||
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test(function () { | ||
var shadowHost = document.createElement('div'); | ||
var childElement = document.createElement('b'); | ||
shadowHost.appendChild(childElement); | ||
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var childTextNode = document.createTextNode(''); | ||
shadowHost.appendChild(childTextNode); | ||
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var shadowRoot = shadowHost.attachShadow({mode: 'open'}); | ||
var slot = document.createElement('slot'); | ||
shadowRoot.appendChild(slot); | ||
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assert_equals(childElement.assignedSlot, slot, 'assignedSlot on an element must return the assigned default slot element'); | ||
assert_equals(childTextNode.assignedSlot, slot, 'assignedSlot on a text node must return the assigned default slot element'); | ||
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slot.name = 'foo'; | ||
assert_equals(childElement.assignedSlot, null, 'assignedSlot on an element must null when the element is unassigned from a slot element'); | ||
assert_equals(childTextNode.assignedSlot, null, 'assignedSlot on a text node must null when the node is unassigned from a slot element'); | ||
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childElement.slot = 'foo'; | ||
assert_equals(childElement.assignedSlot, slot, 'assignedSlot on an element must return the re-assigned slot element'); | ||
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slot.removeAttribute('name'); | ||
assert_equals(childTextNode.assignedSlot, slot, 'assignedSlot on a text node must return the re-assigned slot element'); | ||
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}, 'assignedSlot must return the assigned slot'); | ||
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test(function () { | ||
var shadowHost = document.createElement('div'); | ||
var childElement = document.createElement('b'); | ||
shadowHost.appendChild(childElement); | ||
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var childTextNode = document.createTextNode(''); | ||
shadowHost.appendChild(childTextNode); | ||
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var shadowRoot = shadowHost.attachShadow({mode: 'closed'}); | ||
var slot = document.createElement('slot'); | ||
shadowRoot.appendChild(slot); | ||
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assert_equals(childElement.assignedSlot, null, 'assignedSlot on an element must return null if the slot is inside a closed shadow tree.'); | ||
assert_equals(childTextNode.assignedSlot, null, 'assignedSlot on a text node must return null if the slot is inside a closed shadow tree.'); | ||
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}, 'assignedSlot must return null when the assigned slot element is inside a closed shadow tree'); | ||
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</script> | ||
</body> | ||
</html> |