94 lines
4.5 KiB
HTML
94 lines
4.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Shadow DOM: Slottable mixin</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 and Text interfaces must implement Slottable mixin">
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<link rel="help" href="https://dom.spec.whatwg.org/#slotable">
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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('assignedSlot' in Element.prototype, 'assignedSlot must be defined on Element.prototype');
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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');
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assert_true('assignedSlot' in document.createTextNode(''), 'assignedSlot must be defined on a text node');
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assert_false('assignedSlot' in document.createComment(''), 'assignedSlot must not be defined on a comment node');
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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 () {
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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');
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var shadowRoot = shadowHost.attachShadow({mode: 'open'});
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var childElement = document.createElement('b');
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shadowHost.appendChild(childElement);
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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('');
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shadowHost.appendChild(childTextNode);
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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');
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slot.name = 'foo';
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shadowRoot.appendChild(slot);
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assert_equals(childElement.assignedSlot, null, 'assignedSlot on an element must be null when a node does not match any slot');
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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 () {
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var shadowHost = document.createElement('div');
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var childElement = document.createElement('b');
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shadowHost.appendChild(childElement);
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var childTextNode = document.createTextNode('');
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shadowHost.appendChild(childTextNode);
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var shadowRoot = shadowHost.attachShadow({mode: 'open'});
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var slot = document.createElement('slot');
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shadowRoot.appendChild(slot);
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assert_equals(childElement.assignedSlot, slot, 'assignedSlot on an element must return the assigned default slot element');
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assert_equals(childTextNode.assignedSlot, slot, 'assignedSlot on a text node must return the assigned default slot element');
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slot.name = 'foo';
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assert_equals(childElement.assignedSlot, null, 'assignedSlot on an element must null when the element is unassigned from a slot element');
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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';
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assert_equals(childElement.assignedSlot, slot, 'assignedSlot on an element must return the re-assigned slot element');
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slot.removeAttribute('name');
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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 () {
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var shadowHost = document.createElement('div');
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var childElement = document.createElement('b');
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shadowHost.appendChild(childElement);
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var childTextNode = document.createTextNode('');
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shadowHost.appendChild(childTextNode);
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var shadowRoot = shadowHost.attachShadow({mode: 'closed'});
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var slot = document.createElement('slot');
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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.');
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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>
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</body>
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</html>
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