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#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require Config;
if (($Config::Config{'extensions'} !~ m!\bList/Util\b!) ){
print "1..0 # Skip -- Perl configured without List::Util module\n";
exit 0;
}
}
use Test;
BEGIN { plan tests => 12; }
BEGIN {
require autouse;
eval {
"autouse"->import('List::Util' => 'List::Util::first(&@)');
};
ok( !$@ );
eval {
"autouse"->import('List::Util' => 'Foo::min');
};
ok( $@, qr/^autouse into different package attempted/ );
"autouse"->import('List::Util' => qw(max first(&@)));
}
my @a = (1,2,3,4,5.5);
ok( max(@a), 5.5);
# first() has a prototype of &@. Make sure that's preserved.
ok( (first { $_ > 3 } @a), 4);
# Example from the docs.
use autouse 'Carp' => qw(carp croak);
{
my @warning;
local $SIG{__WARN__} = sub { push @warning, @_ };
carp "this carp was predeclared and autoused\n";
ok( scalar @warning, 1 );
ok( $warning[0], qr/^this carp was predeclared and autoused\n/ );
eval { croak "It is but a scratch!" };
ok( $@, qr/^It is but a scratch!/);
}
# Test that autouse's lazy module loading works.
use autouse 'Errno' => qw(EPERM);
my $mod_file = 'Errno.pm'; # just fine and portable for %INC
ok( !exists $INC{$mod_file} );
ok( EPERM ); # test if non-zero
ok( exists $INC{$mod_file} );
use autouse Env => "something";
eval { something() };
ok( $@, qr/^\Qautoused module Env has unique import() method/ );
# Check that UNIVERSAL.pm doesn't interfere with modules that don't use
# Exporter and have no import() of their own.
require UNIVERSAL;
autouse->import("Class::ISA" => 'self_and_super_versions');
my %versions = self_and_super_versions("Class::ISA");
ok( $versions{"Class::ISA"}, $Class::ISA::VERSION );
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