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use strict;
use warnings;
use Test::More 0.88;
use Test::Warnings ':no_end_test', 'warnings';
my $e;
my $no_warn_sub;
my $warn_sub;
{
no warnings;
if (!eval q{
$no_warn_sub = sub { return 1 + undef };
BEGIN { warnings->import }
$warn_sub = sub { return 1 + undef };
1;
}) {
$e = $@;
}
}
is $e, undef,
'warnings->import succeeds after importing "warnings" sub';
ok !warnings { $no_warn_sub->() },
'no warnings worked as expected';
like +(warnings { $warn_sub->() })[0], qr{uninitialized value},
'correct warnings were enabled after warnings->import';
done_testing;
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