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 # For an op regression test, I don't want to rely on "use constant" working.
18 my $has_fchdir = ($Config{d_fchdir} || "") eq "define";
20 # Might be a little early in the testing process to start using these,
21 # but I can't think of a way to write this test without them.
22 use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath);
24 # Can't use Cwd::abs_path() because it has different ideas about
25 # path separators than File::Spec.
27 my $d = rel2abs(curdir);
29 $d = uc($d) if $IsVMS;
30 $d = lc($d) if $^O =~ /^uwin/;
36 # Let's get to a known position
38 my ($vol,$dir) = splitpath(abs_path,1);
39 my $test_dir = $IsVMS ? 'T' : 't';
40 skip("Already in t/", 2) if (splitdir($dir))[-1] eq $test_dir;
42 ok( chdir($test_dir), 'chdir($test_dir)');
43 is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
49 skip("no fchdir", 16) unless $has_fchdir;
50 my $has_dirfd = ($Config{d_dirfd} || $Config{d_dir_dd_fd} || "") eq "define";
51 ok(opendir(my $dh, "."), "opendir .");
52 ok(open(my $fh, "<", "op"), "open op");
53 ok(chdir($fh), "fchdir op");
54 ok(-f "chdir.t", "verify that we are in op");
56 ok(chdir($dh), "fchdir back");
60 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
64 # same with bareword file handles
68 ok(chdir FH, "fchdir op bareword");
69 ok(-f "chdir.t", "verify that we are in op");
71 ok(chdir DH, "fchdir back bareword");
75 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
78 ok(-d "op", "verify that we are back");
80 # And now the ambiguous case
82 no warnings qw<io deprecated>;
83 ok(opendir(H, "op"), "opendir op") or diag $!;
84 ok(open(H, "<", "base"), "open base") or diag $!;
87 ok(chdir(H), "fchdir to op");
88 ok(-f "chdir.t", "verify that we are in 'op'");
93 like($@, qr/^The dirfd function is unimplemented at/,
94 "dirfd is unimplemented");
96 skip("dirfd is unimplemented");
99 ok(closedir(H), "closedir");
100 ok(chdir(H), "fchdir to base");
101 ok(-f "cond.t", "verify that we are in 'base'");
102 chdir ".." or die $!;
106 skip("has fchdir", 1) if $has_fchdir;
107 opendir(my $dh, "op");
108 eval { chdir($dh); };
109 like($@, qr/^The fchdir function is unimplemented at/, "fchdir is unimplemented");
112 # The environment variables chdir() pays attention to.
113 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
118 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
119 if( $key eq 'SYS$LOGIN' && !$IsVMS && !$IsMacOS ) {
120 ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
121 is( abs_path, $Cwd, ' abs_path() did not change' );
122 pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
125 ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
126 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
128 is( abs_path, $Cwd, ' and back again' );
131 local $SIG{__WARN__} = sub { $warning .= join '', @_ };
134 # Check the deprecated chdir(undef) feature.
136 ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
137 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
138 is( $warning, <<WARNING, ' got uninit & deprecation warning' );
139 Use of uninitialized value in chdir at $0 line 64.
140 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
148 ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
149 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
150 is( $warning, <<WARNING, ' got deprecation warning' );
151 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76.
160 foreach my $env (@magic_envs) {
161 $Saved_Env{$env} = $ENV{$env};
163 # Can't actually delete SYS$ stuff on VMS.
164 next if $IsVMS && $env eq 'SYS$LOGIN';
165 next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
167 unless ($IsMacOS) { # ENV on MacOS is "special" :-)
168 # On VMS, %ENV is many layered.
169 delete $ENV{$env} while exists $ENV{$env};
173 # The following means we won't really be testing for non-existence,
174 # but in Perl we can only delete from the process table, not the job
176 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
180 no warnings 'uninitialized';
182 # Restore the environment for VMS (and doesn't hurt for anyone else)
183 @ENV{@magic_envs} = @Saved_Env{@magic_envs};
185 # On VMS this must be deleted or process table is wrong on exit
186 # when this script is run interactively.
187 delete $ENV{'SYS$LOGIN'} if $IsVMS;
191 foreach my $key (@magic_envs) {
192 # We're going to be using undefs a lot here.
193 no warnings 'uninitialized';
196 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
203 if (($IsVMS || $IsMacOS) && !$Config{'d_setenv'}) {
204 pass("Can't reset HOME, so chdir() test meaningless");
206 ok( !chdir(), 'chdir() w/o any ENV set' );
208 is( abs_path, $Cwd, ' abs_path() agrees' );