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 $IsVMS ? uc(rel2abs(curdir)) : rel2abs(curdir);
29 # Let's get to a known position
31 my ($vol,$dir) = splitpath(abs_path,1);
32 my $test_dir = $IsVMS ? 'T' : 't';
33 skip("Already in t/", 2) if (splitdir($dir))[-1] eq $test_dir;
35 ok( chdir($test_dir), 'chdir($test_dir)');
36 is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
41 # The environment variables chdir() pays attention to.
42 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
47 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
48 if( $key eq 'SYS$LOGIN' && !$IsVMS && !$IsMacOS ) {
49 ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
50 is( abs_path, $Cwd, ' abs_path() did not change' );
51 pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
54 ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
55 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
57 is( abs_path, $Cwd, ' and back again' );
60 local $SIG{__WARN__} = sub { $warning .= join '', @_ };
63 # Check the deprecated chdir(undef) feature.
65 ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
66 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
67 is( $warning, <<WARNING, ' got uninit & deprecation warning' );
68 Use of uninitialized value in chdir at $0 line 64.
69 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
77 ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
78 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
79 is( $warning, <<WARNING, ' got deprecation warning' );
80 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76.
89 foreach my $env (@magic_envs) {
90 $Saved_Env{$env} = $ENV{$env};
92 # Can't actually delete SYS$ stuff on VMS.
93 next if $IsVMS && $env eq 'SYS$LOGIN';
94 next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
96 unless ($IsMacOS) { # ENV on MacOS is "special" :-)
97 # On VMS, %ENV is many layered.
98 delete $ENV{$env} while exists $ENV{$env};
102 # The following means we won't really be testing for non-existence,
103 # but in Perl we can only delete from the process table, not the job
105 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
109 no warnings 'uninitialized';
111 # Restore the environment for VMS (and doesn't hurt for anyone else)
112 @ENV{@magic_envs} = @Saved_Env{@magic_envs};
116 foreach my $key (@magic_envs) {
117 # We're going to be using undefs a lot here.
118 no warnings 'uninitialized';
121 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
128 if (($IsVMS || $IsMacOS) && !$Config{'d_setenv'}) {
129 pass("Can't reset HOME, so chdir() test meaningless");
131 ok( !chdir(), 'chdir() w/o any ENV set' );
133 is( abs_path, $Cwd, ' abs_path() agrees' );