(= cx1 cx2) = #f  OK
(equal? cx1 cx2) = #f  OK
(equal-values? cx1 cx2) = #f  OK
(equal-objects? cx1 cx2) = #f  OK
(equal-contents? cx1 cx2) = #f  OK
(= cx1 cx1) = #t  OK
(equal? cx1 cx1) = #t  OK
(equal-values? cx1 cx1) = #t  OK
(equal-objects? cx1 cx1) = #t  OK
(equal-contents? cx1 cx1) = #t  OK
(= cx1 (complex 0.0 0.0)) = #f  OK
(equal? cx1 (complex 0.0 0.0)) = #f  OK
(equal-values? cx1 (complex 0.0 0.0)) = #f  OK
(equal-objects? cx1 (complex 0.0 0.0)) = #f  OK
(equal-contents? cx1 (complex 0.0 0.0)) = #f  OK
