Test::Inline is nice for testing the examples, but not necessary Checking if your kit is complete... Looks good Writing Makefile for List::Sliding::Changes cp lib/List/Sliding/Changes.pm blib/lib/List/Sliding/Changes.pm Manifying blib/man3/List::Sliding::Changes.3 PERL_DL_NONLAZY=1 /Users/cpanrun/build/5.10.0/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib/lib', 'blib/arch')" t/*.t t/02-Added-Lines...................1..9 ok 1 - use List::Sliding::Changes; ok 2 - An empty list has no changes ok 3 - Empty list on the right has no changes ok 4 - Empty list on the left returns element on the right ok 5 - Empty list on the left returns elements on the right ok 6 - One element on the left returns two elements on the right ok 7 - Two elements on the left returns 1 element on the right ok 8 - Same elements left and right returns no element ok 9 - Large list ok t/03-Repeated-Lines................1..25 ok 1 - use List::Sliding::Changes; ok 2 - Index: One element overlap ok 3 - Element: One element overlap ok 4 - Index: Partial 2-element overlap ok 5 - Element: Partial 2-element overlap ok 6 - Index: Bigger list ok 7 - Element: Bigger list ok 8 - Index: Multi-element bigger list ok 9 - Element: Multi-element bigger list ok 10 - Index: Simple repeating list ok 11 - Element: Simple repeating list ok 12 - Index: Multi-element repeating list ok 13 - Element: Multi-element repeating list ok 14 - Index: Repeated multi-element list ok 15 - Element: Repeated multi-element list ok 16 - Index: Partially repeated multi-element list ok 17 - Element: Partially repeated multi-element list ok 18 - Index: Partially repeated multi-element list ok 19 - Element: Partially repeated multi-element list ok 20 - Index: Partially repeated multi-element list ok 21 - Element: Partially repeated multi-element list ok 22 - Index: Partially repeated multi-element list ok 23 - Element: Partially repeated multi-element list ok 24 - Index: Partially repeated multi-element list ok 25 - Element: Partially repeated multi-element list ok t/99-Pod...........................1..1 Undefined subroutine &main::pod_ok called at t/99-Pod.t line 22. # Looks like your test died before it could output anything. dubious Test returned status 255 (wstat 65280, 0xff00) DIED. FAILED test 1 Failed 1/1 tests, 0.00% okay t/embedded-List-Sliding-Changes....ok 1 - example from line 20 1..1 ok Failed Test Stat Wstat Total Fail List of Failed ------------------------------------------------------------------------------- t/99-Pod.t 255 65280 1 2 1 Failed 1/4 test scripts. 1/36 subtests failed. Files=4, Tests=36, 1 wallclock secs ( 0.33 cusr + 0.10 csys = 0.43 CPU) Failed 1/4 test programs. 1/36 subtests failed. make: *** [test_dynamic] Error 255