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| PASS registerProperty requires a Dictionary type |
| PASS registerProperty requires a name matching <custom-property-name> |
| FAIL registerProperty only allows omitting initialValue if syntax is '*' assert_throws: function "() => CSS.registerProperty({name: '--syntax-test-3', syntax: 'length', inherits: false})" did not throw |
| FAIL registerProperty fails for an already registered property assert_throws: function "() => CSS.registerProperty({name: '--re-register', syntax: '<percentage>', initialValue: '0%', inherits: false})" threw object "SyntaxError: The given initial value does not parse for the given syntax." ("SyntaxError") expected object "[object Object]" ("InvalidModificationError") |
| PASS registerProperty requires inherits |
| FAIL Registering a property should not cause a transition The given initial value does not parse for the given syntax. |
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