[perl5.git] / t / mro / pkg_gen.t

#!./perl

use strict;
use warnings;

chdir 't' if -d 't';
require q(./test.pl); plan(tests => 6);

{
    package Foo;
    our @ISA = qw//;
}

ok(!mro::get_pkg_gen('ReallyDoesNotExist'),
    "pkg_gen 0 for non-existant pkg");

my $f_gen = mro::get_pkg_gen('Foo');
ok($f_gen > 0, 'Foo pkg_gen > 0');

{
    no warnings 'once';
    *Foo::foo_func = sub { 123 };
}
my $new_f_gen = mro::get_pkg_gen('Foo');
ok($new_f_gen > $f_gen, 'Foo pkg_gen incs for methods');
$f_gen = $new_f_gen;

@Foo::ISA = qw/Bar/;
$new_f_gen = mro::get_pkg_gen('Foo');
ok($new_f_gen > $f_gen, 'Foo pkg_gen incs for @ISA');

undef %Foo::;
is(mro::get_pkg_gen('Foo'), 1, "pkg_gen 1 for undef %Pkg::");

delete $::{"Foo::"};
is(mro::get_pkg_gen('Foo'), 0, 'pkg_gen 0 for delete $::{Pkg::}');
Commit	Line	Data
70cd14a1 CB	1	#!./perl
	2
	3	use strict;
	4	use warnings;
	5
	6	chdir 't' if -d 't';
	7	require q(./test.pl); plan(tests => 6);
	8
	9	{
	10	package Foo;
	11	our @ISA = qw//;
	12	}
	13
	14	ok(!mro::get_pkg_gen('ReallyDoesNotExist'),
	15	"pkg_gen 0 for non-existant pkg");
	16
	17	my $f_gen = mro::get_pkg_gen('Foo');
	18	ok($f_gen > 0, 'Foo pkg_gen > 0');
	19
	20	{
	21	no warnings 'once';
	22	*Foo::foo_func = sub { 123 };
	23	}
	24	my $new_f_gen = mro::get_pkg_gen('Foo');
	25	ok($new_f_gen > $f_gen, 'Foo pkg_gen incs for methods');
	26	$f_gen = $new_f_gen;
	27
	28	@Foo::ISA = qw/Bar/;
	29	$new_f_gen = mro::get_pkg_gen('Foo');
	30	ok($new_f_gen > $f_gen, 'Foo pkg_gen incs for @ISA');
	31
	32	undef %Foo::;
	33	is(mro::get_pkg_gen('Foo'), 1, "pkg_gen 1 for undef %Pkg::");
	34
	35	delete $::{"Foo::"};
	36	is(mro::get_pkg_gen('Foo'), 0, 'pkg_gen 0 for delete $::{Pkg::}');