| <html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <head> |
| <style> |
| div#target:not(:has(> span)) { |
| color: red; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="target">Hello</div> |
| <button onclick="_addChild()">Add Child</button> |
| <button onclick="_removeChild()">Remove Child</button> |
| </body> |
| |
| <script> |
| function _addChild() { |
| let targetElement = document.getElementById("target"); |
| let newElement = document.createElement("span"); |
| newElement.innerText = "I'm a child element"; |
| targetElement.appendChild(newElement); |
| } |
| |
| function _removeChild() { |
| let targetElement = document.getElementById("target"); |
| targetElement.removeChild(targetElement.lastChild); |
| } |
| </script> |
| <script> |
| test(function() { |
| var target = document.getElementById("target"); |
| assert_equals(getComputedStyle(target).getPropertyValue("color"), "rgb(255, 0, 0)"); |
| _addChild() |
| assert_equals(getComputedStyle(target).getPropertyValue("color"), "rgb(0, 0, 0)"); |
| _removeChild() |
| assert_equals(getComputedStyle(target).getPropertyValue("color"), "rgb(255, 0, 0)"); |
| }, "invalidation :not(:has(> foo))"); |
| </script> |
| </html> |
