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);
9 # Really want to know if chdir is working, as the build process will all go
11 if (is_miniperl() && !eval {require File::Spec::Functions; 1}) {
12 push @INC, qw(dist/Cwd/lib dist/Cwd ../dist/Cwd/lib ../dist/Cwd);
19 my $IsVMS = $^O eq 'VMS';
24 if (eval 'require VMS::Feature') {
25 $vms_unix_rpt = VMS::Feature::current("filename_unix_report");
26 $vms_efs = VMS::Feature::current("efs_charset");
28 my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
29 my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || '';
30 $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i;
31 $vms_efs = $efs_charset =~ /^[ET1]/i;
35 # For an op regression test, I don't want to rely on "use constant" working.
36 my $has_fchdir = ($Config{d_fchdir} || "") eq "define";
38 # Might be a little early in the testing process to start using these,
39 # but I can't think of a way to write this test without them.
40 use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath);
42 # Can't use Cwd::abs_path() because it has different ideas about
43 # path separators than File::Spec.
45 my $d = rel2abs(curdir);
46 $d = lc($d) if $^O =~ /^uwin/;
52 # Let's get to a known position
54 my ($vol,$dir) = splitpath(abs_path,1);
56 my $compare_dir = (splitdir($dir))[-1];
58 # VMS is case insensitive but will preserve case in EFS mode.
59 # So we must normalize the case for the compare.
61 $compare_dir = lc($compare_dir) if $IsVMS;
62 skip("Already in t/", 2) if $compare_dir eq $test_dir;
64 ok( chdir($test_dir), 'chdir($test_dir)');
65 is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
71 skip("no fchdir", 16) unless $has_fchdir;
72 my $has_dirfd = ($Config{d_dirfd} || $Config{d_dir_dd_fd} || "") eq "define";
73 ok(opendir(my $dh, "."), "opendir .");
74 ok(open(my $fh, "<", "op"), "open op");
75 ok(chdir($fh), "fchdir op");
76 ok(-f "chdir.t", "verify that we are in op");
78 ok(chdir($dh), "fchdir back");
82 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
86 # same with bareword file handles
90 ok(chdir FH, "fchdir op bareword");
91 ok(-f "chdir.t", "verify that we are in op");
93 ok(chdir DH, "fchdir back bareword");
97 like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
100 ok(-d "op", "verify that we are back");
102 # And now the ambiguous case
104 no warnings qw<io deprecated>;
105 ok(opendir(H, "op"), "opendir op") or diag $!;
106 ok(open(H, "<", "base"), "open base") or diag $!;
109 ok(chdir(H), "fchdir to op");
110 ok(-f "chdir.t", "verify that we are in 'op'");
111 chdir ".." or die $!;
115 like($@, qr/^The dirfd function is unimplemented at/,
116 "dirfd is unimplemented");
118 skip("dirfd is unimplemented");
121 ok(closedir(H), "closedir");
122 ok(chdir(H), "fchdir to base");
123 ok(-f "cond.t", "verify that we are in 'base'");
124 chdir ".." or die $!;
128 skip("has fchdir", 1) if $has_fchdir;
129 opendir(my $dh, "op");
130 eval { chdir($dh); };
131 like($@, qr/^The fchdir function is unimplemented at/, "fchdir is unimplemented");
134 # The environment variables chdir() pays attention to.
135 my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
140 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
141 if( $key eq 'SYS$LOGIN' && !$IsVMS ) {
142 ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
143 is( abs_path, $Cwd, ' abs_path() did not change' );
144 pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
147 ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
148 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
150 is( abs_path, $Cwd, ' and back again' );
153 local $SIG{__WARN__} = sub { $warning .= join '', @_ };
156 # Check the deprecated chdir(undef) feature.
158 ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
159 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
160 is( $warning, <<WARNING, ' got uninit & deprecation warning' );
161 Use of uninitialized value in chdir at $0 line 64.
162 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
170 ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
171 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
172 is( $warning, <<WARNING, ' got deprecation warning' );
173 Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76.
182 foreach my $env (@magic_envs) {
183 $Saved_Env{$env} = $ENV{$env};
185 # Can't actually delete SYS$ stuff on VMS.
186 next if $IsVMS && $env eq 'SYS$LOGIN';
187 next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
189 # On VMS, %ENV is many layered.
190 delete $ENV{$env} while exists $ENV{$env};
193 # The following means we won't really be testing for non-existence,
194 # but in Perl we can only delete from the process table, not the job
196 $ENV{'SYS$LOGIN'} = '' if $IsVMS;
200 no warnings 'uninitialized';
202 # Restore the environment for VMS (and doesn't hurt for anyone else)
203 @ENV{@magic_envs} = @Saved_Env{@magic_envs};
205 # On VMS this must be deleted or process table is wrong on exit
206 # when this script is run interactively.
207 delete $ENV{'SYS$LOGIN'} if $IsVMS;
211 foreach my $key (@magic_envs) {
212 # We're going to be using undefs a lot here.
213 no warnings 'uninitialized';
216 $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
223 if ($IsVMS && !$Config{'d_setenv'}) {
224 pass("Can't reset HOME, so chdir() test meaningless");
226 ok( !chdir(), 'chdir() w/o any ENV set' );
228 is( abs_path, $Cwd, ' abs_path() agrees' );