| <html> |
| <body> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script> |
| description("Check that CSSStyleDeclaration.length is accurate after custom property modifications."); |
| |
| var computedStyle = window.getComputedStyle(document.body); |
| var initialLength = computedStyle.length; |
| document.documentElement.style.setProperty('--computed', '#abc'); |
| var afterAddingComputedPropertyLength = computedStyle.length; |
| document.body.offsetTop; |
| var afterForcedLayoutLength = computedStyle.length; |
| |
| shouldBeTrue("afterAddingComputedPropertyLength > initialLength"); |
| shouldBeTrue("afterAddingComputedPropertyLength === afterForcedLayoutLength"); |
| </script> |
| <script src="../../../resources/js-test-pre.js"></script> |
| </body> |
| </html> |
