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';
19 if (eval 'require VMS::Feature') {
20 $vms_unix_rpt = VMS::Feature::current("filename_unix_report");
21 $vms_efs = VMS::Feature::current("efs_charset");
23 my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
24 my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || '';
25 $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i;
26 $vms_efs = $efs_charset =~ /^[ET1]/i;
30 # For an op regression test, I don't want to rely on "use constant" working.
31 my $has_fchdir = ($Config{d_fchdir} || "") eq "define";
33 # Might be a little early in the testing process to start using these,
34 # but I can't think of a way to write this test without them.
35 use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath);
37 # Can't use Cwd::abs_path() because it has different ideas about
38 # path separators than File::Spec.
40 my $d = rel2abs(curdir);
41 $d = lc($d) if $^O =~ /^uwin/;
47 # Let's get to a known position
49 my ($vol,$dir) = splitpath(abs_path,1);
51 my $compare_dir = (splitdir($dir))[-1];
53 # VMS is case insensitive but will preserve case in EFS mode.
54 # So we must normalize the case for the compare.
56 $compare_dir = lc($compare_dir) if $IsVMS;
57 skip("Already in t/", 2) if $compare_dir eq $test_dir;
59 ok( chdir($test_dir), 'chdir($test_dir)');
60 is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
66 skip("no fchdir", 16) unless $has_fchdir;
67 my $has_dirfd = ($Config{d_dirfd} || $Config{d_dir_dd_fd} || "") eq "define";
68 ok(opendir(my $dh, "."), "opendir .");
69 ok(open(my $fh, "<", "op"), "open op");
70 ok(chdir($fh), "fchdir op");
71 ok(-f "chdir.t", "verify that we are in op");
73 ok(chdir($dh), "fchdir back");
77 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
81 # same with bareword file handles
85 ok(chdir FH, "fchdir op bareword");
86 ok(-f "chdir.t", "verify that we are in op");
88 ok(chdir DH, "fchdir back bareword");
92 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
95 ok(-d "op", "verify that we are back");
97 # And now the ambiguous case
99 no warnings qw<io deprecated>;
100 ok(opendir(H, "op"), "opendir op") or diag $!;
101 ok(open(H, "<", "base"), "open base") or diag $!;
104 ok(chdir(H), "fchdir to op");
105 ok(-f "chdir.t", "verify that we are in 'op'");
106 chdir ".." or die $!;
110 like($@, qr/^The dirfd function is unimplemented at/,
111 "dirfd is unimplemented");
113 skip("dirfd is unimplemented");
116 ok(closedir(H), "closedir");
117 ok(chdir(H), "fchdir to base");
118 ok(-f "cond.t", "verify that we are in 'base'");
119 chdir ".." or die $!;
123 skip("has fchdir", 1) if $has_fchdir;
124 opendir(my $dh, "op");
125 eval { chdir($dh); };
126 like($@, qr/^The fchdir function is unimplemented at/, "fchdir is unimplemented");
129 # The environment variables chdir() pays attention to.
130 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
135 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
136 if( $key eq 'SYS$LOGIN' && !$IsVMS ) {
137 ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
138 is( abs_path, $Cwd, ' abs_path() did not change' );
139 pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
142 ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
143 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
145 is( abs_path, $Cwd, ' and back again' );
148 local $SIG{__WARN__} = sub { $warning .= join '', @_ };
151 # Check the deprecated chdir(undef) feature.
153 ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
154 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
155 is( $warning, <<WARNING, ' got uninit & deprecation warning' );
156 Use of uninitialized value in chdir at $0 line 64.
157 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
165 ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
166 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
167 is( $warning, <<WARNING, ' got deprecation warning' );
168 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76.
177 foreach my $env (@magic_envs) {
178 $Saved_Env{$env} = $ENV{$env};
180 # Can't actually delete SYS$ stuff on VMS.
181 next if $IsVMS && $env eq 'SYS$LOGIN';
182 next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
184 # On VMS, %ENV is many layered.
185 delete $ENV{$env} while exists $ENV{$env};
188 # The following means we won't really be testing for non-existence,
189 # but in Perl we can only delete from the process table, not the job
191 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
195 no warnings 'uninitialized';
197 # Restore the environment for VMS (and doesn't hurt for anyone else)
198 @ENV{@magic_envs} = @Saved_Env{@magic_envs};
200 # On VMS this must be deleted or process table is wrong on exit
201 # when this script is run interactively.
202 delete $ENV{'SYS$LOGIN'} if $IsVMS;
206 foreach my $key (@magic_envs) {
207 # We're going to be using undefs a lot here.
208 no warnings 'uninitialized';
211 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
218 if ($IsVMS && !$Config{'d_setenv'}) {
219 pass("Can't reset HOME, so chdir() test meaningless");
221 ok( !chdir(), 'chdir() w/o any ENV set' );
223 is( abs_path, $Cwd, ' abs_path() agrees' );