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';
20 if (eval 'require VMS::Feature') {
21 $vms_unix_rpt = VMS::Feature::current("filename_unix_report");
22 $vms_efs = VMS::Feature::current("efs_charset");
24 my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
25 my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || '';
26 $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i;
27 $vms_efs = $efs_charset =~ /^[ET1]/i;
31 # For an op regression test, I don't want to rely on "use constant" working.
32 my $has_fchdir = ($Config{d_fchdir} || "") eq "define";
34 # Might be a little early in the testing process to start using these,
35 # but I can't think of a way to write this test without them.
36 use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath);
38 # Can't use Cwd::abs_path() because it has different ideas about
39 # path separators than File::Spec.
41 my $d = rel2abs(curdir);
42 $d = lc($d) if $^O =~ /^uwin/;
48 # Let's get to a known position
50 my ($vol,$dir) = splitpath(abs_path,1);
52 my $compare_dir = (splitdir($dir))[-1];
54 # VMS is case insensitive but will preserve case in EFS mode.
55 # So we must normalize the case for the compare.
57 $compare_dir = lc($compare_dir) if $IsVMS;
58 skip("Already in t/", 2) if $compare_dir eq $test_dir;
60 ok( chdir($test_dir), 'chdir($test_dir)');
61 is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
67 skip("no fchdir", 16) unless $has_fchdir;
68 my $has_dirfd = ($Config{d_dirfd} || $Config{d_dir_dd_fd} || "") eq "define";
69 ok(opendir(my $dh, "."), "opendir .");
70 ok(open(my $fh, "<", "op"), "open op");
71 ok(chdir($fh), "fchdir op");
72 ok(-f "chdir.t", "verify that we are in op");
74 ok(chdir($dh), "fchdir back");
78 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
82 # same with bareword file handles
86 ok(chdir FH, "fchdir op bareword");
87 ok(-f "chdir.t", "verify that we are in op");
89 ok(chdir DH, "fchdir back bareword");
93 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
96 ok(-d "op", "verify that we are back");
98 # And now the ambiguous case
100 no warnings qw<io deprecated>;
101 ok(opendir(H, "op"), "opendir op") or diag $!;
102 ok(open(H, "<", "base"), "open base") or diag $!;
105 ok(chdir(H), "fchdir to op");
106 ok(-f "chdir.t", "verify that we are in 'op'");
107 chdir ".." or die $!;
111 like($@, qr/^The dirfd function is unimplemented at/,
112 "dirfd is unimplemented");
114 skip("dirfd is unimplemented");
117 ok(closedir(H), "closedir");
118 ok(chdir(H), "fchdir to base");
119 ok(-f "cond.t", "verify that we are in 'base'");
120 chdir ".." or die $!;
124 skip("has fchdir", 1) if $has_fchdir;
125 opendir(my $dh, "op");
126 eval { chdir($dh); };
127 like($@, qr/^The fchdir function is unimplemented at/, "fchdir is unimplemented");
130 # The environment variables chdir() pays attention to.
131 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
136 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
137 if( $key eq 'SYS$LOGIN' && !$IsVMS && !$IsMacOS ) {
138 ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
139 is( abs_path, $Cwd, ' abs_path() did not change' );
140 pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
143 ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
144 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
146 is( abs_path, $Cwd, ' and back again' );
149 local $SIG{__WARN__} = sub { $warning .= join '', @_ };
152 # Check the deprecated chdir(undef) feature.
154 ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
155 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
156 is( $warning, <<WARNING, ' got uninit & deprecation warning' );
157 Use of uninitialized value in chdir at $0 line 64.
158 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
166 ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
167 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
168 is( $warning, <<WARNING, ' got deprecation warning' );
169 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76.
178 foreach my $env (@magic_envs) {
179 $Saved_Env{$env} = $ENV{$env};
181 # Can't actually delete SYS$ stuff on VMS.
182 next if $IsVMS && $env eq 'SYS$LOGIN';
183 next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
185 unless ($IsMacOS) { # ENV on MacOS is "special" :-)
186 # On VMS, %ENV is many layered.
187 delete $ENV{$env} while exists $ENV{$env};
191 # The following means we won't really be testing for non-existence,
192 # but in Perl we can only delete from the process table, not the job
194 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
198 no warnings 'uninitialized';
200 # Restore the environment for VMS (and doesn't hurt for anyone else)
201 @ENV{@magic_envs} = @Saved_Env{@magic_envs};
203 # On VMS this must be deleted or process table is wrong on exit
204 # when this script is run interactively.
205 delete $ENV{'SYS$LOGIN'} if $IsVMS;
209 foreach my $key (@magic_envs) {
210 # We're going to be using undefs a lot here.
211 no warnings 'uninitialized';
214 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
221 if (($IsVMS || $IsMacOS) && !$Config{'d_setenv'}) {
222 pass("Can't reset HOME, so chdir() test meaningless");
224 ok( !chdir(), 'chdir() w/o any ENV set' );
226 is( abs_path, $Cwd, ' abs_path() agrees' );