4 # We're not going to chdir() into 't' because we don't know if
5 # chdir() works! Instead, we'll hedge our bets and put both
6 # possibilities into @INC.
7 @INC = qw(t . lib ../lib);
13 my $IsVMS = $^O eq 'VMS';
15 my ($saved_sys_login);
17 $saved_sys_login = $ENV{'SYS$LOGIN'} if $^O eq 'VMS'
20 $ENV{'SYS$LOGIN'} = $saved_sys_login if $^O eq 'VMS';
23 # Might be a little early in the testing process to start using these,
24 # but I can't think of a way to write this test without them.
25 use File::Spec::Functions qw(:DEFAULT splitdir rel2abs);
27 # Can't use Cwd::abs_path() because it has different ideas about
28 # path separators than File::Spec.
30 $IsVMS ? uc(rel2abs(curdir)) : rel2abs(curdir);
35 # Let's get to a known position
37 skip("Already in t/", 2) if (splitdir(abs_path))[-1] eq ($IsVMS ? 'T' : 't');
39 ok( chdir('t'), 'chdir("t")');
40 is( abs_path, catdir($Cwd, 't'), ' abs_path() agrees' );
45 # The environment variables chdir() pays attention to.
46 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
51 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
52 if( $key eq 'SYS$LOGIN' && !$IsVMS ) {
53 ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
54 is( abs_path, $Cwd, ' abs_path() did not change' );
55 pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
58 ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
59 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
61 is( abs_path, $Cwd, ' and back again' );
64 local $SIG{__WARN__} = sub { $warning .= join '', @_ };
67 # Check the deprecated chdir(undef) feature.
69 ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
70 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
71 is( $warning, <<WARNING, ' got uninit & deprecation warning' );
72 Use of uninitialized value in chdir at $0 line 60.
73 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 60.
81 ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
82 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
83 is( $warning, <<WARNING, ' got deprecation warning' );
84 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 72.
92 delete $ENV{$_} foreach @magic_envs;
93 # The following means we won't really be testing for non-existence,
94 # but in Perl we can only delete from the process table, not the job
96 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
99 foreach my $key (@magic_envs) {
100 # We're going to be using undefs a lot here.
101 no warnings 'uninitialized';
104 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
112 ok( !chdir(), 'chdir() w/o any ENV set' );
113 is( abs_path, $Cwd, ' abs_path() agrees' );