| <!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) ~ #subject { color: red } |
| div:has([test_attr]) ~ #subject { color: orangered } |
| div:has(> .test) ~ #subject { color: green } |
| div:has(> [test_attr]) ~ #subject { color: lightgreen } |
| div:has(~ .test) ~ #subject { color: yellow } |
| div:has(~ [test_attr]) ~ #subject { color: ivory } |
| div:has(+ .test) ~ #subject { color: blue } |
| div:has(+ [test_attr]) ~ #subject { color: skyblue } |
| div:has(~ div .test) ~ #subject { color: purple } |
| div:has(~ div [test_attr]) ~ #subject { color: violet } |
| div:has(+ div .test) ~ #subject { color: pink } |
| div:has(+ div [test_attr]) ~ #subject { color: lightpink } |
| </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 orangered = 'rgb(255, 69, 0)'; |
| const green = 'rgb(0, 128, 0)'; |
| const lightgreen = 'rgb(144, 238, 144)'; |
| const blue = 'rgb(0, 0, 255)'; |
| const skyblue = 'rgb(135, 206, 235)'; |
| const yellow = 'rgb(255, 255, 0)'; |
| const ivory = 'rgb(255, 255, 240)'; |
| const purple = 'rgb(128, 0, 128)'; |
| const violet = 'rgb(238, 130, 238)'; |
| const pink = 'rgb(255, 192, 203)'; |
| const lightpink = 'rgb(255, 182, 193)'; |
| const colors = { |
| grey: { |
| classTest: grey, |
| attributeTest: grey, |
| }, |
| red: { |
| classTest: red, |
| attributeTest: orangered, |
| }, |
| green: { |
| classTest: green, |
| attributeTest: lightgreen, |
| }, |
| blue: { |
| classTest: blue, |
| attributeTest: skyblue, |
| }, |
| yellow: { |
| classTest: yellow, |
| attributeTest: ivory, |
| }, |
| purple: { |
| classTest: purple, |
| attributeTest: violet, |
| }, |
| pink: { |
| classTest: pink, |
| attributeTest: lightpink, |
| }, |
| }; |
| |
| function testColor(test_name, color) { |
| test(function() { |
| assert_equals(getComputedStyle(subject).color, color); |
| }, test_name); |
| } |
| |
| function testClassChange(element, expectedColorName) |
| { |
| const expectedColorForClassTest = colors[expectedColorName].classTest; |
| element.classList.add('test'); |
| testColor(`add .test to ${element.id}`, expectedColorForClassTest); |
| element.classList.remove('test'); |
| testColor(`remove .test from ${element.id}`, grey); |
| } |
| |
| function testElementInsertionBefore(beforeElement, expectedColorName) |
| { |
| const expectedColorForClassTest = colors[expectedColorName].classTest; |
| const expectedColorForAttributeTest = colors[expectedColorName].attributeTest; |
| const newElement = document.createElement('div'); |
| newElement.classList.add('test') |
| |
| beforeElement.before(newElement); |
| testColor(`insert element div.test before ${beforeElement.id}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForAttributeTest); |
| |
| newElement.remove(); |
| testColor(`remove element div[test_attr] before ${beforeElement.id}`, grey); |
| } |
| |
| function testElementInsertionAfter(afterElement, expectedColorName) |
| { |
| const expectedColorForClassTest = colors[expectedColorName].classTest; |
| const expectedColorForAttributeTest = colors[expectedColorName].attributeTest; |
| const newElement = document.createElement('div'); |
| newElement.classList.add('test') |
| |
| afterElement.after(newElement); |
| testColor(`insert element div.test after ${afterElement.id}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForAttributeTest); |
| |
| newElement.remove(); |
| testColor(`remove element div[test_attr] after ${afterElement.id}`, grey); |
| } |
| |
| function testTreeInsertionBefore(beforeElement, expectedColorName) |
| { |
| const expectedColorForClassTest = colors[expectedColorName].classTest; |
| const expectedColorForAttributeTest = colors[expectedColorName].attributeTest; |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForAttributeTest); |
| |
| newElement.remove(); |
| testColor(`remove element div>div[test_attr] before ${beforeElement.id}`, grey); |
| } |
| |
| function testTreeInsertionAfter(afterElement, expectedColorName) |
| { |
| const expectedColorForClassTest = colors[expectedColorName].classTest; |
| const expectedColorForAttributeTest = colors[expectedColorName].attributeTest; |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForClassTest); |
| |
| 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}`, expectedColorForAttributeTest); |
| |
| 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> |