| 1 | #!./perl |
| 2 | |
| 3 | use strict; |
| 4 | use warnings; |
| 5 | |
| 6 | chdir 't' if -d 't'; |
| 7 | require q(./test.pl); plan(tests => 7); |
| 8 | |
| 9 | require mro; |
| 10 | |
| 11 | { |
| 12 | package Foo; |
| 13 | our @ISA = qw//; |
| 14 | } |
| 15 | |
| 16 | ok(!mro::get_pkg_gen('ReallyDoesNotExist'), |
| 17 | "pkg_gen 0 for non-existant pkg"); |
| 18 | |
| 19 | my $f_gen = mro::get_pkg_gen('Foo'); |
| 20 | ok($f_gen > 0, 'Foo pkg_gen > 0'); |
| 21 | |
| 22 | { |
| 23 | no warnings 'once'; |
| 24 | *Foo::foo_func = sub { 123 }; |
| 25 | } |
| 26 | my $new_f_gen = mro::get_pkg_gen('Foo'); |
| 27 | ok($new_f_gen > $f_gen, 'Foo pkg_gen incs for methods'); |
| 28 | $f_gen = $new_f_gen; |
| 29 | |
| 30 | @Foo::ISA = qw/Bar/; |
| 31 | $new_f_gen = mro::get_pkg_gen('Foo'); |
| 32 | ok($new_f_gen > $f_gen, 'Foo pkg_gen incs for @ISA'); |
| 33 | |
| 34 | undef %Foo::; |
| 35 | is(mro::get_pkg_gen('Foo'), 1, "pkg_gen 1 for undef %Pkg::"); |
| 36 | |
| 37 | delete $::{"Foo::"}; |
| 38 | is(mro::get_pkg_gen('Foo'), 0, 'pkg_gen 0 for delete $::{Pkg::}'); |
| 39 | |
| 40 | delete $::{"Quux::"}; |
| 41 | push @Quux::ISA, "Woot"; # should not segfault |
| 42 | ok(1, "No segfault on modification of ISA in a deleted stash"); |