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);
14 my $IsVMS = $^O eq 'VMS';
15 my $IsMacOS = $^O eq 'MacOS';
17 # Might be a little early in the testing process to start using these,
18 # but I can't think of a way to write this test without them.
19 use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath);
21 # Can't use Cwd::abs_path() because it has different ideas about
22 # path separators than File::Spec.
24 my $d = rel2abs(curdir);
26 $d = uc($d) if $IsVMS;
27 $d = lc($d) if $^O =~ /^uwin/;
33 # Let's get to a known position
35 my ($vol,$dir) = splitpath(abs_path,1);
36 my $test_dir = $IsVMS ? 'T' : 't';
37 skip("Already in t/", 2) if (splitdir($dir))[-1] eq $test_dir;
39 ok( chdir($test_dir), 'chdir($test_dir)');
40 is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
45 # The environment variables chdir() pays attention to.
46 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
51 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
52 if( $key eq 'SYS$LOGIN' && !$IsVMS && !$IsMacOS ) {
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 64.
73 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
81 ok( chdir(''), "chdir('') w/ only \$ENV{$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 76.
93 foreach my $env (@magic_envs) {
94 $Saved_Env{$env} = $ENV{$env};
96 # Can't actually delete SYS$ stuff on VMS.
97 next if $IsVMS && $env eq 'SYS$LOGIN';
98 next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
100 unless ($IsMacOS) { # ENV on MacOS is "special" :-)
101 # On VMS, %ENV is many layered.
102 delete $ENV{$env} while exists $ENV{$env};
106 # The following means we won't really be testing for non-existence,
107 # but in Perl we can only delete from the process table, not the job
109 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
113 no warnings 'uninitialized';
115 # Restore the environment for VMS (and doesn't hurt for anyone else)
116 @ENV{@magic_envs} = @Saved_Env{@magic_envs};
120 foreach my $key (@magic_envs) {
121 # We're going to be using undefs a lot here.
122 no warnings 'uninitialized';
125 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
132 if (($IsVMS || $IsMacOS) && !$Config{'d_setenv'}) {
133 pass("Can't reset HOME, so chdir() test meaningless");
135 ok( !chdir(), 'chdir() w/o any ENV set' );
137 is( abs_path, $Cwd, ' abs_path() agrees' );