| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Selector Invalidation: :has() with sibling combinator argument</title> |
| <link rel="author" title="Antti Koivisto" href="mailto:antti@apple.com"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://drafts.csswg.org/selectors/#relational"> |
| <style> |
| div, main { color: grey } |
| #subject:has(~ .test) { color: red } |
| #subject:has(+ .test) { color: green } |
| #subject:has(~ div .test) { color: blue } |
| #subject:has(~ div > .test) { color: purple } |
| #subject:has(+ div .test) { color: yellow } |
| #subject:has(+ div > .test) { color: pink } |
| </style> |
| |
| <main id=main> |
| <div id=subject></div> |
| <div id=first_sibling> |
| <div id=first_sibling_child> |
| <div id=first_sibling_descendant></div> |
| </div> |
| </div> |
| <div id=second_sibling></div> |
| <div id=third_sibling> |
| <div id=third_sibling_child> |
| <div id=third_sibling_descendant></div> |
| </div> |
| </div> |
| </main> |
| <script> |
| |
| const grey = 'rgb(128, 128, 128)'; |
| const red = 'rgb(255, 0, 0)'; |
| const green = 'rgb(0, 128, 0)'; |
| const blue = 'rgb(0, 0, 255)'; |
| const yellow = 'rgb(255, 255, 0)'; |
| const purple = 'rgb(128, 0, 128)'; |
| const pink = 'rgb(255, 192, 203)'; |
| |
| function testColor(test_name, color) { |
| test(function() { |
| assert_equals(getComputedStyle(subject).color, color); |
| }, test_name); |
| } |
| |
| function testClassChange(element, expectedColor) |
| { |
| element.classList.add('test'); |
| testColor(`add .test to ${element.id}`, expectedColor); |
| element.classList.remove('test'); |
| testColor(`remove .test from ${element.id}`, grey); |
| } |
| |
| function testElementInsertionBefore(beforeElement, expectedColor) |
| { |
| const newElement = document.createElement('div'); |
| newElement.classList.add('test') |
| |
| beforeElement.before(newElement); |
| testColor(`insert element div.test before ${beforeElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div.test before ${beforeElement.id}`, grey); |
| } |
| |
| function testElementInsertionAfter(afterElement, expectedColor) |
| { |
| const newElement = document.createElement('div'); |
| newElement.classList.add('test') |
| |
| afterElement.after(newElement); |
| testColor(`insert element div.test after ${afterElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div.test after ${afterElement.id}`, grey); |
| } |
| |
| function testTreeInsertionBefore(beforeElement, expectedColor) |
| { |
| const newElement = document.createElement('div'); |
| const newChild = document.createElement('div'); |
| newChild.classList.add('test'); |
| newElement.appendChild(newChild); |
| |
| beforeElement.before(newElement); |
| testColor(`insert tree div>div.test before ${beforeElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove tree div>div.test before ${beforeElement.id}`, grey); |
| } |
| |
| function testTreeInsertionAfter(afterElement, expectedColor) |
| { |
| const newElement = document.createElement('div'); |
| const newChild = document.createElement('div'); |
| newChild.classList.add('test'); |
| newElement.appendChild(newChild); |
| |
| afterElement.after(newElement); |
| testColor(`insert tree div>div.test after ${afterElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove tree div>div.test after ${afterElement.id}`, grey); |
| } |
| |
| testColor('initial_color', grey); |
| |
| testClassChange(first_sibling, green); |
| testClassChange(second_sibling, red); |
| testClassChange(third_sibling, red); |
| testClassChange(first_sibling_child, pink); |
| testClassChange(first_sibling_descendant, yellow); |
| testClassChange(third_sibling_child, purple); |
| testClassChange(third_sibling_descendant, blue); |
| |
| testElementInsertionBefore(first_sibling, green); |
| testElementInsertionBefore(second_sibling, red); |
| testElementInsertionBefore(third_sibling, red); |
| testElementInsertionBefore(first_sibling_child, pink); |
| testElementInsertionBefore(first_sibling_descendant, yellow); |
| testElementInsertionBefore(third_sibling_child, purple); |
| testElementInsertionBefore(third_sibling_descendant, blue); |
| |
| testElementInsertionAfter(first_sibling, red); |
| testElementInsertionAfter(second_sibling, red); |
| testElementInsertionAfter(third_sibling, red); |
| testElementInsertionAfter(first_sibling_child, pink); |
| testElementInsertionAfter(first_sibling_descendant, yellow); |
| testElementInsertionAfter(third_sibling_child, purple); |
| testElementInsertionAfter(third_sibling_descendant, blue); |
| |
| testTreeInsertionBefore(first_sibling, pink); |
| testTreeInsertionBefore(second_sibling, purple); |
| testTreeInsertionBefore(third_sibling, purple); |
| testTreeInsertionBefore(first_sibling_child, yellow); |
| testTreeInsertionBefore(first_sibling_descendant, yellow); |
| testTreeInsertionBefore(third_sibling_child, blue); |
| testTreeInsertionBefore(third_sibling_descendant, blue); |
| |
| testTreeInsertionAfter(first_sibling, purple); |
| testTreeInsertionAfter(second_sibling, purple); |
| testTreeInsertionAfter(third_sibling, purple); |
| testTreeInsertionAfter(first_sibling_child, yellow); |
| testTreeInsertionAfter(first_sibling_descendant, yellow); |
| testTreeInsertionAfter(third_sibling_child, blue); |
| testTreeInsertionAfter(third_sibling_descendant, blue); |
| </script> |