| <!doctype html> |
| <link rel='help' href='https://drafts.csswg.org/selectors-4/#the-scope-pseudo'> |
| <meta name='description' content=':scope should match when context object is a ShadowRoot or a DocumentFragment'> |
| <script src='/resources/testharness.js'></script> |
| <script src='/resources/testharnessreport.js'></script> |
| <div id='shadowHost'></div> |
| <script> |
| 'use strict' |
| const shadowHost = document.getElementById("shadowHost"); |
| const shadowRoot = shadowHost.attachShadow({mode:'open'}) |
| shadowRoot.appendChild(document.createElement("div")); |
| |
| test (() => { |
| assert_equals(shadowRoot.querySelectorAll(':scope > div').length, 0, 'should not match in shadow root'); |
| }); |
| |
| const documentFragment = document.createDocumentFragment(); |
| documentFragment.appendChild(document.createElement("div")); |
| |
| test(() => { |
| assert_equals(documentFragment.querySelectorAll(':scope > div').length, 0, 'should not match in document fragment'); |
| }); |
| |
| test(() => { |
| assert_equals(shadowRoot.firstChild.querySelector(':scope'), null, 'should return null'); |
| assert_equals(shadowRoot.firstChild.querySelectorAll(':scope').length, 0, 'should return 0'); |
| |
| assert_equals(shadowRoot.querySelector(':scope'), null, 'should return null'); |
| assert_equals(shadowRoot.querySelectorAll(':scope').length, 0, 'should return 0'); |
| |
| assert_equals(documentFragment.querySelector(':scope'), null, 'should return null'); |
| assert_equals(documentFragment.querySelectorAll(':scope').length, 0, 'should return 0'); |
| |
| assert_equals(document.querySelector(':scope'), document.documentElement, 'should return the document element'); |
| assert_equals(document.querySelectorAll(':scope').length, 1, 'should return 1'); |
| }, 'querySelector() with ":scope" should return the document element, if present in the subtree'); |
| </script> |