<!DOCTYPE html> <html> <head> <meta charset=utf-8> <title>Node.prototype.getRootNode()</title> <link rel="help" href="https://dom.spec.whatwg.org/#dom-node-getrootnode"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <script> test(function () { var shadowHost = document.createElement('div'); document.body.appendChild(shadowHost); var shadowRoot = shadowHost.attachShadow({mode: 'open'}); shadowRoot.innerHTML = '<div class="shadowChild">content</div>'; var shadowChild = shadowRoot.querySelector('.shadowChild'); assert_equals(shadowChild.getRootNode({composed: true}), document, "getRootNode() must return context object's shadow-including root if options's composed is true"); assert_equals(shadowChild.getRootNode({composed: false}), shadowRoot, "getRootNode() must return context object's root if options's composed is false"); assert_equals(shadowChild.getRootNode(), shadowRoot, "getRootNode() must return context object's root if options's composed is default false"); }, "getRootNode() must return context object's shadow-including root if options's composed is true, and context object's root otherwise"); test(function () { var element = document.createElement('div'); assert_equals(element.getRootNode(), element, 'getRootNode() on an element without a parent must return the element itself'); var text = document.createTextNode(''); assert_equals(text.getRootNode(), text, 'getRootNode() on a text node without a parent must return the text node itself'); var processingInstruction = document.createProcessingInstruction('target', 'data'); assert_equals(processingInstruction.getRootNode(), processingInstruction, 'getRootNode() on a processing instruction node without a parent must return the processing instruction node itself'); assert_equals(document.getRootNode(), document, 'getRootNode() on a document node must return the document itself'); }, 'getRootNode() must return the context object when it does not have any parent'); test(function () { var parent = document.createElement('div'); var element = document.createElement('div'); parent.appendChild(element); assert_equals(element.getRootNode(), parent, 'getRootNode() on an element with a single ancestor must return the parent node'); var text = document.createTextNode(''); parent.appendChild(text); assert_equals(text.getRootNode(), parent, 'getRootNode() on a text node with a single ancestor must return the parent node'); var processingInstruction = document.createProcessingInstruction('target', 'data'); parent.appendChild(processingInstruction) assert_equals(processingInstruction.getRootNode(), parent, 'getRootNode() on a processing instruction node with a single ancestor must return the parent node'); }, 'getRootNode() must return the parent node of the context object when the context object has a single ancestor not in a document'); test(function () { var parent = document.createElement('div'); document.body.appendChild(parent); var element = document.createElement('div'); parent.appendChild(element); assert_equals(element.getRootNode(), document, 'getRootNode() on an element inside a document must return the document'); var text = document.createTextNode(''); parent.appendChild(text); assert_equals(text.getRootNode(), document, 'getRootNode() on a text node inside a document must return the document'); var processingInstruction = document.createProcessingInstruction('target', 'data'); parent.appendChild(processingInstruction) assert_equals(processingInstruction.getRootNode(), document, 'getRootNode() on a processing instruction node inside a document must return the document'); }, 'getRootNode() must return the document when a node is in document'); test(function () { var fragment = document.createDocumentFragment(); var parent = document.createElement('div'); fragment.appendChild(parent); var element = document.createElement('div'); parent.appendChild(element); assert_equals(element.getRootNode(), fragment, 'getRootNode() on an element inside a document fragment must return the fragment'); var text = document.createTextNode(''); parent.appendChild(text); assert_equals(text.getRootNode(), fragment, 'getRootNode() on a text node inside a document fragment must return the fragment'); var processingInstruction = document.createProcessingInstruction('target', 'data'); parent.appendChild(processingInstruction) assert_equals(processingInstruction.getRootNode(), fragment, 'getRootNode() on a processing instruction node inside a document fragment must return the fragment'); }, 'getRootNode() must return a document fragment when a node is in the fragment'); </script> </body> </html>