| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Selector Invalidation: :has() in sibling position</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 } |
| div:has(.test, [test_attr]) ~ #subject { color: red } |
| div:has(> .test, > [test_attr]) ~ #subject { color: green } |
| div:has(~ .test, ~ [test_attr]) ~ #subject { color: yellow } |
| div:has(+ .test, + [test_attr]) ~ #subject { color: blue } |
| div:has(~ div .test, ~ div [test_attr]) ~ #subject { color: purple } |
| div:has(+ div .test, + div [test_attr]) ~ #subject { color: pink } |
| </style> |
| |
| <main id=main> |
| <div id=previous_sibling> |
| <div id=previous_sibling_child> |
| <div id=previous_sibling_descendant></div> |
| </div> |
| </div> |
| <div id=subject></div> |
| <div id=next_sibling> |
| <div id=next_sibling_child> |
| <div id=next_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.classList.remove('test'); |
| testColor(`remove the class 'test' from the element inserted before ${beforeElement.id}`, grey); |
| |
| newElement.classList.add('test'); |
| testColor(`add the class 'test' again to the element inserted before ${beforeElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div.test before ${beforeElement.id}`, grey); |
| |
| newElement.classList.remove('test') |
| |
| beforeElement.before(newElement); |
| testColor(`insert element div before ${beforeElement.id}`, grey); |
| |
| newElement.classList.add('test'); |
| testColor(`add the class 'test' to the element inserted again before ${beforeElement.id}`, expectedColor); |
| |
| newElement.classList.remove('test'); |
| testColor(`remove the class 'test' from the element inserted again before ${beforeElement.id}`, grey); |
| |
| newElement.remove(); |
| testColor(`remove element div before ${beforeElement.id}`, grey); |
| |
| newElement.setAttribute('test_attr', ''); |
| |
| beforeElement.before(newElement); |
| testColor(`insert element div[test_attr] before ${beforeElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div[test_attr] 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.classList.remove('test'); |
| testColor(`remove the class 'test' from the element inserted after ${afterElement.id}`, grey); |
| |
| newElement.classList.add('test'); |
| testColor(`add the class 'test' again to the element inserted after ${afterElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div.test after ${afterElement.id}`, grey); |
| |
| newElement.classList.remove('test'); |
| |
| afterElement.after(newElement); |
| testColor(`insert element div after ${afterElement.id}`, grey); |
| |
| newElement.classList.add('test'); |
| testColor(`add the class 'test' to the element inserted again after ${afterElement.id}`, expectedColor); |
| |
| newElement.classList.remove('test'); |
| testColor(`remove the class 'test' from the element inserted again after ${afterElement.id}`, grey); |
| |
| newElement.remove(); |
| testColor(`remove element div after ${afterElement.id}`, grey); |
| |
| newElement.setAttribute('test_attr', ''); |
| |
| afterElement.after(newElement); |
| testColor(`insert element div[test_attr] after ${afterElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div[test_attr] 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); |
| |
| newChild.classList.remove('test'); |
| testColor(`remove the class 'test' from the element in the tree inserted before ${beforeElement.id}`, grey); |
| |
| newChild.classList.add('test'); |
| testColor(`add the class 'test' again to the element in the tree inserted before ${beforeElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove tree div>div.test before ${beforeElement.id}`, grey); |
| |
| newChild.classList.remove('test'); |
| |
| beforeElement.before(newElement); |
| testColor(`insert tree div>div before ${beforeElement.id}`, grey); |
| |
| newChild.classList.add('test'); |
| testColor(`add the class 'test' to the element in the tree inserted again before ${beforeElement.id}`, expectedColor); |
| |
| newChild.classList.remove('test'); |
| testColor(`remove the class 'test' from the element in the tree inserted again before ${beforeElement.id}`, grey); |
| |
| newElement.remove(); |
| testColor(`remove tree div>div before ${beforeElement.id}`, grey); |
| |
| newChild.setAttribute('test_attr', ''); |
| |
| beforeElement.before(newElement); |
| testColor(`insert element div>div[test_attr] before ${beforeElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div>div[test_attr] 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); |
| |
| newChild.classList.remove('test'); |
| testColor(`remove the class 'test' from the element in the tree inserted after ${afterElement.id}`, grey); |
| |
| newChild.classList.add('test'); |
| testColor(`add the class 'test' again to the element in the tree inserted after ${afterElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove tree div>div.test after ${afterElement.id}`, grey); |
| |
| newChild.classList.remove('test'); |
| |
| afterElement.after(newElement); |
| testColor(`insert tree div>div after ${afterElement.id}`, grey); |
| |
| newChild.classList.add('test'); |
| testColor(`add the class 'test' to the element in the tree inserted again after ${afterElement.id}`, expectedColor); |
| |
| newChild.classList.remove('test'); |
| testColor(`remove the class 'test' from the element in the tree inserted again after ${afterElement.id}`, grey); |
| |
| newElement.remove(); |
| testColor(`remove tree div>div after ${afterElement.id}`, grey); |
| |
| newChild.setAttribute('test_attr', ''); |
| |
| afterElement.after(newElement); |
| testColor(`insert element div>div[test_attr] after ${afterElement.id}`, expectedColor); |
| |
| newElement.remove(); |
| testColor(`remove element div>div[test_attr] after ${afterElement.id}`, grey); |
| } |
| |
| testColor('Initial color', grey); |
| |
| testClassChange(previous_sibling, grey); |
| testClassChange(previous_sibling_child, green); |
| testClassChange(previous_sibling_descendant, red); |
| testClassChange(subject, blue); |
| testClassChange(next_sibling, yellow); |
| testClassChange(next_sibling_child, purple); |
| testClassChange(next_sibling_descendant, purple); |
| |
| testElementInsertionBefore(previous_sibling, grey); |
| testElementInsertionBefore(previous_sibling_child, green); |
| testElementInsertionBefore(previous_sibling_descendant, red); |
| testElementInsertionBefore(subject, blue); |
| testElementInsertionBefore(next_sibling, yellow); |
| testElementInsertionBefore(next_sibling_child, purple); |
| testElementInsertionBefore(next_sibling_descendant, purple); |
| |
| testElementInsertionAfter(previous_sibling, blue); |
| testElementInsertionAfter(previous_sibling_child, green); |
| testElementInsertionAfter(previous_sibling_descendant, red); |
| testElementInsertionAfter(subject, yellow); |
| testElementInsertionAfter(next_sibling, yellow); |
| testElementInsertionAfter(next_sibling_child, purple); |
| testElementInsertionAfter(next_sibling_descendant, purple); |
| |
| testTreeInsertionBefore(previous_sibling, green); |
| testTreeInsertionBefore(previous_sibling_child, red); |
| testTreeInsertionBefore(previous_sibling_descendant, red); |
| testTreeInsertionBefore(subject, pink); |
| testTreeInsertionBefore(next_sibling, purple); |
| testTreeInsertionBefore(next_sibling_child, purple); |
| testTreeInsertionBefore(next_sibling_descendant, purple); |
| |
| testTreeInsertionAfter(previous_sibling, pink); |
| testTreeInsertionAfter(previous_sibling_child, red); |
| testTreeInsertionAfter(previous_sibling_descendant, red); |
| testTreeInsertionAfter(subject, purple); |
| testTreeInsertionAfter(next_sibling, purple); |
| testTreeInsertionAfter(next_sibling_child, purple); |
| testTreeInsertionAfter(next_sibling_descendant, purple); |
| |
| </script> |
