Harness status: OK Found 11 tests 11 Pass Pass @layer A; should be a valid rule Pass @layer A, B, C; should be a valid rule Pass @layer A.A; should be a valid rule Pass @layer A, B.C.D, C; should be a valid rule Pass @layer; should be an invalid rule Pass @layer A . A; should be an invalid rule Pass @layer { } should be a valid rule Pass @layer A { } should be a valid rule Pass @layer A.B { } should be a valid rule Pass @layer A . B { } should be an invalid rule Pass @layer A, B, C { } should be an invalid rule