xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/lib/autouse.t (revision 0:68f95e015346)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6}
7
8use Test;
9BEGIN { plan tests => 10; }
10
11BEGIN {
12    require autouse;
13    eval {
14        "autouse"->import('List::Util' => 'List::Util::first(&@)');
15    };
16    ok( !$@ );
17
18    eval {
19        "autouse"->import('List::Util' => 'Foo::min');
20    };
21    ok( $@, qr/^autouse into different package attempted/ );
22
23    "autouse"->import('List::Util' => qw(max first(&@)));
24}
25
26my @a = (1,2,3,4,5.5);
27ok( max(@a), 5.5);
28
29
30# first() has a prototype of &@.  Make sure that's preserved.
31ok( (first { $_ > 3 } @a), 4);
32
33
34# Example from the docs.
35use autouse 'Carp' => qw(carp croak);
36
37{
38    my @warning;
39    local $SIG{__WARN__} = sub { push @warning, @_ };
40    carp "this carp was predeclared and autoused\n";
41    ok( scalar @warning, 1 );
42    ok( $warning[0], "this carp was predeclared and autoused\n" );
43
44    eval { croak "It is but a scratch!" };
45    ok( $@, qr/^It is but a scratch!/);
46}
47
48
49# Test that autouse's lazy module loading works.  We assume that nothing
50# involved in this test uses Text::Soundex, which is pretty safe.
51use autouse 'Text::Soundex' => qw(soundex);
52
53my $mod_file = 'Text/Soundex.pm'; # just fine and portable for %INC
54ok( !exists $INC{$mod_file} );
55ok( soundex('Basset'), 'B230' );
56ok( exists $INC{$mod_file} );
57
58