+#!./perl -w
+
BEGIN {
# We're not going to chdir() into 't' because we don't know if
# chdir() works! Instead, we'll hedge our bets and put both
# possibilities into @INC.
- @INC = ('lib', '../lib');
+ @INC = qw(t . lib ../lib);
}
+use Config;
+require "test.pl";
+plan(tests => 48);
+
+my $IsVMS = $^O eq 'VMS';
+my $IsMacOS = $^O eq 'MacOS';
+
+my $vms_unix_rpt = 0;
+my $vms_efs = 0;
+if ($IsVMS) {
+ if (eval 'require VMS::Feature') {
+ $vms_unix_rpt = VMS::Feature::current("filename_unix_report");
+ $vms_efs = VMS::Feature::current("efs_charset");
+ } else {
+ my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
+ my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || '';
+ $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i;
+ $vms_efs = $efs_charset =~ /^[ET1]/i;
+ }
+}
+
+# For an op regression test, I don't want to rely on "use constant" working.
+my $has_fchdir = ($Config{d_fchdir} || "") eq "define";
# Might be a little early in the testing process to start using these,
# but I can't think of a way to write this test without them.
-use Cwd qw(abs_path cwd);
-use File::Spec::Functions qw(:DEFAULT splitdir);
+use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath);
-use Test::More tests => 25;
+# Can't use Cwd::abs_path() because it has different ideas about
+# path separators than File::Spec.
+sub abs_path {
+ my $d = rel2abs(curdir);
+ $d = lc($d) if $^O =~ /^uwin/;
+ $d;
+}
-my $cwd = abs_path;
+my $Cwd = abs_path;
# Let's get to a known position
SKIP: {
- skip("Already in t/", 2) if (splitdir(abs_path))[-1] eq 't';
+ my ($vol,$dir) = splitpath(abs_path,1);
+ my $test_dir = 't';
+ my $compare_dir = (splitdir($dir))[-1];
+
+ # VMS is case insensitive but will preserve case in EFS mode.
+ # So we must normalize the case for the compare.
+
+ $compare_dir = lc($compare_dir) if $IsVMS;
+ skip("Already in t/", 2) if $compare_dir eq $test_dir;
+
+ ok( chdir($test_dir), 'chdir($test_dir)');
+ is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' );
+}
+
+$Cwd = abs_path;
+
+SKIP: {
+ skip("no fchdir", 16) unless $has_fchdir;
+ my $has_dirfd = ($Config{d_dirfd} || $Config{d_dir_dd_fd} || "") eq "define";
+ ok(opendir(my $dh, "."), "opendir .");
+ ok(open(my $fh, "<", "op"), "open op");
+ ok(chdir($fh), "fchdir op");
+ ok(-f "chdir.t", "verify that we are in op");
+ if ($has_dirfd) {
+ ok(chdir($dh), "fchdir back");
+ }
+ else {
+ eval { chdir($dh); };
+ like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
+ chdir ".." or die $!;
+ }
+
+ # same with bareword file handles
+ no warnings 'once';
+ *DH = $dh;
+ *FH = $fh;
+ ok(chdir FH, "fchdir op bareword");
+ ok(-f "chdir.t", "verify that we are in op");
+ if ($has_dirfd) {
+ ok(chdir DH, "fchdir back bareword");
+ }
+ else {
+ eval { chdir(DH); };
+ like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented");
+ chdir ".." or die $!;
+ }
+ ok(-d "op", "verify that we are back");
- ok( chdir('t'), 'chdir("t")');
- is( abs_path, catdir($cwd, 't'), ' abs_path() agrees' );
+ # And now the ambiguous case
+ {
+ no warnings qw<io deprecated>;
+ ok(opendir(H, "op"), "opendir op") or diag $!;
+ ok(open(H, "<", "base"), "open base") or diag $!;
+ }
+ if ($has_dirfd) {
+ ok(chdir(H), "fchdir to op");
+ ok(-f "chdir.t", "verify that we are in 'op'");
+ chdir ".." or die $!;
+ }
+ else {
+ eval { chdir(H); };
+ like($@, qr/^The dirfd function is unimplemented at/,
+ "dirfd is unimplemented");
+ SKIP: {
+ skip("dirfd is unimplemented");
+ }
+ }
+ ok(closedir(H), "closedir");
+ ok(chdir(H), "fchdir to base");
+ ok(-f "cond.t", "verify that we are in 'base'");
+ chdir ".." or die $!;
}
-$cwd = abs_path;
+SKIP: {
+ skip("has fchdir", 1) if $has_fchdir;
+ opendir(my $dh, "op");
+ eval { chdir($dh); };
+ like($@, qr/^The fchdir function is unimplemented at/, "fchdir is unimplemented");
+}
# The environment variables chdir() pays attention to.
my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
-foreach my $key (@magic_envs) {
- # We're going to be using undefs a lot here.
- no warnings 'uninitialized';
+sub check_env {
+ my($key) = @_;
- delete @ENV{@magic_envs};
- local $ENV{$key} = catdir $cwd, 'op';
-
# Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
- if( $key eq 'SYS$LOGIN' && $^O ne 'VMS' ) {
- ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
- is( abs_path, $cwd, ' abs_path() did not change' );
- ok( 1, " no need to chdir back on $^O" );
+ if( $key eq 'SYS$LOGIN' && !$IsVMS && !$IsMacOS ) {
+ ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
+ is( abs_path, $Cwd, ' abs_path() did not change' );
+ pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7;
}
else {
ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
is( abs_path, $ENV{$key}, ' abs_path() agrees' );
- chdir($cwd);
- is( abs_path, $cwd, ' and back again' );
+ chdir($Cwd);
+ is( abs_path, $Cwd, ' and back again' );
+
+ my $warning = '';
+ local $SIG{__WARN__} = sub { $warning .= join '', @_ };
+
+
+ # Check the deprecated chdir(undef) feature.
+#line 64
+ ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
+ is( abs_path, $ENV{$key}, ' abs_path() agrees' );
+ is( $warning, <<WARNING, ' got uninit & deprecation warning' );
+Use of uninitialized value in chdir at $0 line 64.
+Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64.
+WARNING
+
+ chdir($Cwd);
+
+ # Ditto chdir('').
+ $warning = '';
+#line 76
+ ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" );
+ is( abs_path, $ENV{$key}, ' abs_path() agrees' );
+ is( $warning, <<WARNING, ' got deprecation warning' );
+Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76.
+WARNING
+
+ chdir($Cwd);
}
+}
- # Bug had chdir(undef) being the same as chdir()
- ok( !chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
- is( abs_path, $cwd, ' abs_path() agrees' );
+my %Saved_Env = ();
+sub clean_env {
+ foreach my $env (@magic_envs) {
+ $Saved_Env{$env} = $ENV{$env};
+
+ # Can't actually delete SYS$ stuff on VMS.
+ next if $IsVMS && $env eq 'SYS$LOGIN';
+ next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'};
+
+ unless ($IsMacOS) { # ENV on MacOS is "special" :-)
+ # On VMS, %ENV is many layered.
+ delete $ENV{$env} while exists $ENV{$env};
+ }
+ }
- # Ditto chdir('').
- ok( !chdir(''), "chdir('') w/ only \$ENV{$key} set" );
- is( abs_path, $cwd, ' abs_path() agrees' );
+ # The following means we won't really be testing for non-existence,
+ # but in Perl we can only delete from the process table, not the job
+ # table.
+ $ENV{'SYS$LOGIN'} = '' if $IsVMS;
}
-{
+END {
+ no warnings 'uninitialized';
+
+ # Restore the environment for VMS (and doesn't hurt for anyone else)
+ @ENV{@magic_envs} = @Saved_Env{@magic_envs};
+
+ # On VMS this must be deleted or process table is wrong on exit
+ # when this script is run interactively.
+ delete $ENV{'SYS$LOGIN'} if $IsVMS;
+}
+
+
+foreach my $key (@magic_envs) {
# We're going to be using undefs a lot here.
no warnings 'uninitialized';
- # Unset all the environment variables chdir() pay attention to.
- local @ENV{@magic_envs} = (undef) x @magic_envs;
+ clean_env;
+ $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op');
+
+ check_env($key);
+}
- ok( !chdir(), 'chdir() w/o any ENV set' );
- is( abs_path, $cwd, ' abs_path() agrees' );
+{
+ clean_env;
+ if (($IsVMS || $IsMacOS) && !$Config{'d_setenv'}) {
+ pass("Can't reset HOME, so chdir() test meaningless");
+ } else {
+ ok( !chdir(), 'chdir() w/o any ENV set' );
+ }
+ is( abs_path, $Cwd, ' abs_path() agrees' );
}
projects / p5sagit/p5-mst-13.2.git / blobdiff