t/007-auxiliary.t .. 
1..37
ok 1 - Same md5_hex for identically written files
ok 2 - Got expected count of different digests
ok 3 - Got expected error message for non-array-ref argument to validate_list_sequence()
# List starts with undef
ok 4 - validate_list_sequence() returned true value
ok 5 - validate_list_sequence() returned array ref
ok 6 - validate_list_sequence() returned array with 3 elements
ok 7 - list not validated
ok 8 - Failure to validate at index 0
ok 9 - first element undefined
# List ends with undef
ok 10 - validate_list_sequence() returned true value
ok 11 - validate_list_sequence() returned array ref
ok 12 - validate_list_sequence() returned array with 3 elements
ok 13 - list not validated
ok 14 - Failure to validate at index 36
ok 15 - last element undefined
# List ends with previously seen value
ok 16 - validate_list_sequence() returned true value
ok 17 - validate_list_sequence() returned array ref
ok 18 - validate_list_sequence() returned array with 3 elements
ok 19 - list not validated
ok 20 - Failure to validate at index 36
ok 21 - element beta previously observed
# List ends with undef, then previously seen value
ok 22 - validate_list_sequence() returned true value
ok 23 - validate_list_sequence() returned array ref
ok 24 - validate_list_sequence() returned array with 3 elements
ok 25 - list not validated
ok 26 - Failure to validate at index 37
ok 27 - element beta previously observed
# Sequence not closed off, ends with undef
ok 28 - validate_list_sequence() returned true value
ok 29 - validate_list_sequence() returned array ref
ok 30 - validate_list_sequence() returned array with 3 elements
ok 31 - list not validated
ok 32 - Failure to validate at index 17
ok 33 - Got expected error message
# Good list
ok 34 - validate_list_sequence() returned true value
ok 35 - validate_list_sequence() returned array ref
ok 36 - validate_list_sequence() returned array with 1 element
ok 37 - validate_list_sequence() has true status
ok
All tests successful.
Files=1, Tests=37,  1 wallclock secs ( 0.01 usr  0.01 sys +  0.06 cusr  0.00 csys =  0.08 CPU)
Result: PASS
