| PASS A var() cycle between two registered properties is handled correctly. | |
| PASS A var() cycle between a registered properties and an unregistered property is handled correctly. | |
| PASS A var() cycle between a two unregistered properties is handled correctly. | |
| PASS A var() cycle between a syntax:'*' property and an unregistered property is handled correctly. | |
| PASS Invalid at computed-value time triggers 'unset' behavior | |