X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/ea368a7c10bc6e18dd8f876577b54cc646eff77e..8ca3c3a5e31a51d2d8fdb1b8a1facf78c85dcf2d:/t/op/stat.t diff --git a/t/op/stat.t b/t/op/stat.t index 0c9c025..b7004b7 100755 --- a/t/op/stat.t +++ b/t/op/stat.t @@ -1,197 +1,470 @@ #!./perl -# $RCSfile: stat.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:28 $ -# 950521 DFD This version hacked to make test 39 succeed on MachTen -# though the O.S. wrongly thinks /dev/null is a terminal - BEGIN { chdir 't' if -d 't'; @INC = '../lib'; + require './test.pl'; # for which_perl() etc } use Config; +use File::Spec; + +plan tests => 82; + +my $Perl = which_perl(); + +$Is_Amiga = $^O eq 'amigaos'; +$Is_Cygwin = $^O eq 'cygwin'; +$Is_Darwin = $^O eq 'darwin'; +$Is_Dos = $^O eq 'dos'; +$Is_MacOS = $^O eq 'MacOS'; +$Is_MPE = $^O eq 'mpeix'; +$Is_MSWin32 = $^O eq 'MSWin32'; +$Is_NetWare = $^O eq 'NetWare'; +$Is_OS2 = $^O eq 'os2'; +$Is_Solaris = $^O eq 'solaris'; +$Is_VMS = $^O eq 'VMS'; +$Is_DGUX = $^O eq 'dgux'; +$Is_MPRAS = $^O =~ /svr4/ && -f '/etc/.relid'; +$Is_Rhapsody= $^O eq 'rhapsody'; + +$Is_Dosish = $Is_Dos || $Is_OS2 || $Is_MSWin32 || $Is_NetWare || $Is_Cygwin; + +$Is_UFS = $Is_Darwin && (() = `df -t ufs .`) == 2; -print "1..56\n"; +my($DEV, $INO, $MODE, $NLINK, $UID, $GID, $RDEV, $SIZE, + $ATIME, $MTIME, $CTIME, $BLKSIZE, $BLOCKS) = (0..12); -chop($cwd = `pwd`); +my $Curdir = File::Spec->curdir; -$DEV = `ls -l /dev`; -unlink "Op.stat.tmp"; -open(FOO, ">Op.stat.tmp"); +my $tmpfile = 'Op_stat.tmp'; +my $tmpfile_link = $tmpfile.'2'; -$junk = `ls Op.stat.tmp`; # hack to make Apollo update link count -($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, - $blksize,$blocks) = stat(FOO); -if ($nlink == 1) {print "ok 1\n";} else {print "not ok 1\n";} -if ($mtime && $mtime == $ctime) {print "ok 2\n";} else {print "not ok 2\n";} +1 while unlink $tmpfile; +open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!"); +close FOO; + +open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!"); + +my($nlink, $mtime, $ctime) = (stat(FOO))[$NLINK, $MTIME, $CTIME]; +SKIP: { + skip "No link count", 1 if $Is_VMS; + + is($nlink, 1, 'nlink on regular file'); +} + +SKIP: { + skip "mtime and ctime not reliable", 2 + if $Is_MSWin32 or $Is_NetWare or $Is_Cygwin or $Is_Dos or $Is_MacOS; + + ok( $mtime, 'mtime' ); + is( $mtime, $ctime, 'mtime == ctime' ); +} + + +# Cygwin seems to have a 3 second granularity on its timestamps. +my $funky_FAT_timestamps = $Is_Cygwin; +sleep 3 if $funky_FAT_timestamps; print FOO "Now is the time for all good men to come to.\n"; close(FOO); sleep 2; -`rm -f Op.stat.tmp2; ln Op.stat.tmp Op.stat.tmp2; chmod 644 Op.stat.tmp`; -($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, - $blksize,$blocks) = stat('Op.stat.tmp'); +SKIP: { + unlink $tmpfile_link; + my $lnk_result = eval { link $tmpfile, $tmpfile_link }; + skip "link() unimplemented", 6 if $@ =~ /unimplemented/; + + is( $@, '', 'link() implemented' ); + ok( $lnk_result, 'linked tmp testfile' ); + ok( chmod(0644, $tmpfile), 'chmoded tmp testfile' ); -if ($Config{dont_use_nlink} || $nlink == 2) - {print "ok 3\n";} else {print "not ok 3\n";} + my($nlink, $mtime, $ctime) = (stat($tmpfile))[$NLINK, $MTIME, $CTIME]; + + SKIP: { + skip "No link count", 1 if $Config{dont_use_nlink}; + skip "Cygwin9X fakes hard links by copying", 1 + if $Config{myuname} =~ /^cygwin_(?:9\d|me)\b/i; + + is($nlink, 2, 'Link count on hard linked file' ); + } + + SKIP: { + my $cwd = File::Spec->rel2abs($Curdir); + skip "Solaris tmpfs has different mtime/ctime link semantics", 2 + if $Is_Solaris and $cwd =~ m#^/tmp# and + $mtime && $mtime == $ctime; + skip "AFS has different mtime/ctime link semantics", 2 + if $cwd =~ m#$Config{'afsroot'}/#; + skip "AmigaOS has different mtime/ctime link semantics", 2 + if $Is_Amiga; + # Win32 could pass $mtime test but as FAT and NTFS have + # no ctime concept $ctime is ALWAYS == $mtime + # expect netware to be the same ... + skip "No ctime concept on this OS", 2 + if $Is_MSWin32 || + ($Is_Darwin && $Is_UFS); + + if( !ok($mtime, 'hard link mtime') || + !isnt($mtime, $ctime, 'hard link ctime != mtime') ) { + print STDERR <$tmpfile") || DIE("Can't open temp test file: $!"); +close F; + +ok(-z $tmpfile, '-z on empty file'); +ok(! -s $tmpfile, ' and -s'); + +open(F, ">$tmpfile") || DIE("Can't open temp test file: $!"); +print F "hi\n"; +close F; + +ok(! -z $tmpfile, '-z on non-empty file'); +ok(-s $tmpfile, ' and -s'); + + +# Strip all access rights from the file. +ok( chmod(0000, $tmpfile), 'chmod 0000' ); + +SKIP: { + skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS; + + SKIP: { + # Going to try to switch away from root. Might not work. + my $olduid = $>; + eval { $> = 1; }; + skip "Can't test -r or -w meaningfully if you're superuser", 2 + if $> == 0; + + SKIP: { + skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin; + ok(!-r $tmpfile, " -r"); + } + + ok(!-w $tmpfile, " -w"); + + # switch uid back (may not be implemented) + eval { $> = $olduid; }; + } + + ok(! -x $tmpfile, ' -x'); } -print "#4 :$mtime: != :$ctime:\n"; -`rm -f Op.stat.tmp`; -`touch Op.stat.tmp`; -if (-z 'Op.stat.tmp') {print "ok 5\n";} else {print "not ok 5\n";} -if (! -s 'Op.stat.tmp') {print "ok 6\n";} else {print "not ok 6\n";} - -`echo hi >Op.stat.tmp`; -if (! -z 'Op.stat.tmp') {print "ok 7\n";} else {print "not ok 7\n";} -if (-s 'Op.stat.tmp') {print "ok 8\n";} else {print "not ok 8\n";} -unlink 'Op.stat.tmp'; -$olduid = $>; # can't test -r if uid == 0 -`echo hi >Op.stat.tmp`; -chmod 0,'Op.stat.tmp'; -eval '$> = 1;'; # so switch uid (may not be implemented) -if (!$> || ! -r 'Op.stat.tmp') {print "ok 9\n";} else {print "not ok 9\n";} -if (!$> || ! -w 'Op.stat.tmp') {print "ok 10\n";} else {print "not ok 10\n";} -eval '$> = $olduid;'; # switch uid back (may not be implemented) -print "# olduid=$olduid, newuid=$>\n" unless ($> == $olduid); -if (! -x 'Op.stat.tmp') {print "ok 11\n";} else {print "not ok 11\n";} -foreach ((12,13,14,15,16,17)) { - print "ok $_\n"; #deleted tests +# in ms windows, $tmpfile inherits owner uid from directory +# not sure about os/2, but chown is harmless anyway +eval { chown $>,$tmpfile; 1 } or print "# $@" ; + +ok(chmod(0700,$tmpfile), 'chmod 0700'); +ok(-r $tmpfile, ' -r'); +ok(-w $tmpfile, ' -w'); + +SKIP: { + skip "-x simply determines if a file ends in an executable suffix", 1 + if $Is_Dosish || $Is_MacOS; + + ok(-x $tmpfile, ' -x'); } -chmod 0700,'Op.stat.tmp'; -if (-r 'Op.stat.tmp') {print "ok 18\n";} else {print "not ok 18\n";} -if (-w 'Op.stat.tmp') {print "ok 19\n";} else {print "not ok 19\n";} -if (-x 'Op.stat.tmp') {print "ok 20\n";} else {print "not ok 20\n";} +ok( -f $tmpfile, ' -f'); +ok(! -d $tmpfile, ' !-d'); -if (-f 'Op.stat.tmp') {print "ok 21\n";} else {print "not ok 21\n";} -if (! -d 'Op.stat.tmp') {print "ok 22\n";} else {print "not ok 22\n";} +# Is this portable? +ok( -d $Curdir, '-d cwd' ); +ok(! -f $Curdir, '!-f cwd' ); -if (-d '.') {print "ok 23\n";} else {print "not ok 23\n";} -if (! -f '.') {print "ok 24\n";} else {print "not ok 24\n";} -if (`ls -l perl` =~ /^l.*->/) { - if (-l 'perl') {print "ok 25\n";} else {print "not ok 25\n";} +SKIP: { + unlink($tmpfile_link); + my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link }; + skip "symlink not implemented", 3 if $@ =~ /unimplemented/; + + is( $@, '', 'symlink() implemented' ); + ok( $symlink_rslt, 'symlink() ok' ); + ok(-l $tmpfile_link, '-l'); } -else { - print "ok 25\n"; + +ok(-o $tmpfile, '-o'); + +ok(-e $tmpfile, '-e'); + +unlink($tmpfile_link); +ok(! -e $tmpfile_link, ' -e on unlinked file'); + +SKIP: { + skip "No character, socket or block special files", 6 + if $Is_MSWin32 || $Is_NetWare || $Is_Dos; + skip "/dev isn't available to test against", 6 + unless -d '/dev' && -r '/dev' && -x '/dev'; + skip "Skipping: unexpected ls output in MP-RAS", 6 + if $Is_MPRAS; + + my $LS = $Config{d_readlink} ? "ls -lL" : "ls -l"; + my $CMD = "$LS /dev 2>/dev/null"; + my $DEV = qx($CMD); + + skip "$CMD failed", 6 if $DEV eq ''; + + my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () }; + + skip "opendir failed: $!", 6 if @DEV == 0; + + # /dev/stdout might be either character special or a named pipe, + # or a symlink, or a socket, depending on which OS and how are + # you running the test, so let's censor that one away. + # Similar remarks hold for stderr. + $DEV =~ s{^[cpls].+?\sstdout$}{}m; + @DEV = grep { $_ ne 'stdout' } @DEV; + $DEV =~ s{^[cpls].+?\sstderr$}{}m; + @DEV = grep { $_ ne 'stderr' } @DEV; + + # /dev/printer is also naughty: in IRIX it shows up as + # Srwx-----, not srwx------. + $DEV =~ s{^.+?\sprinter$}{}m; + @DEV = grep { $_ ne 'printer' } @DEV; + + # If running as root, we will see .files in the ls result, + # and readdir() will see them always. Potential for conflict, + # so let's weed them out. + $DEV =~ s{^.+?\s\..+?$}{}m; + @DEV = grep { ! m{^\..+$} } @DEV; + + # Irix ls -l marks sockets with 'S' while 's' is a 'XENIX semaphore'. + if ($^O eq 'irix') { + $DEV =~ s{^S(.+?)}{s$1}mg; + } + + my $try = sub { + my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg]; + my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV]; + my $c1 = scalar @c1; + my $c2 = scalar @c2; + is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)"); + }; + +SKIP: { + skip("DG/UX ls -L broken", 3) if $Is_DGUX; + + $try->('b', '-b'); + $try->('c', '-c'); + $try->('s', '-S'); + } -if (-o 'Op.stat.tmp') {print "ok 26\n";} else {print "not ok 26\n";} +ok(! -b $Curdir, '!-b cwd'); +ok(! -c $Curdir, '!-c cwd'); +ok(! -S $Curdir, '!-S cwd'); -if (-e 'Op.stat.tmp') {print "ok 27\n";} else {print "not ok 27\n";} -`rm -f Op.stat.tmp Op.stat.tmp2`; -if (! -e 'Op.stat.tmp') {print "ok 28\n";} else {print "not ok 28\n";} +} -if ($DEV !~ /\nc.* (\S+)\n/) - {print "ok 29\n";} -elsif (-c "/dev/$1") - {print "ok 29\n";} -else - {print "not ok 29\n";} -if (! -c '.') {print "ok 30\n";} else {print "not ok 30\n";} +SKIP: { + my($cnt, $uid); + $cnt = $uid = 0; + + # Find a set of directories that's very likely to have setuid files + # but not likely to be *all* setuid files. + my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin); + skip "Can't find a setuid file to test with", 3 unless @bin; + + for my $bin (@bin) { + opendir BIN, $bin or die "Can't opendir $bin: $!"; + while (defined($_ = readdir BIN)) { + $_ = "$bin/$_"; + $cnt++; + $uid++ if -u; + last if $uid && $uid < $cnt; + } + } + closedir BIN; -if ($DEV !~ /\ns.* (\S+)\n/) - {print "ok 31\n";} -elsif (-S "/dev/$1") - {print "ok 31\n";} -else - {print "not ok 31\n";} -if (! -S '.') {print "ok 32\n";} else {print "not ok 32\n";} + skip "No setuid programs", 3 if $uid == 0; -if ($DEV !~ /\nb.* (\S+)\n/) - {print "ok 33\n";} -elsif (-b "/dev/$1") - {print "ok 33\n";} -else - {print "not ok 33\n";} -if (! -b '.') {print "ok 34\n";} else {print "not ok 34\n";} + isnt($cnt, 0, 'found some programs'); + isnt($uid, 0, ' found some setuid programs'); + ok($uid < $cnt, " they're not all setuid"); +} -$cnt = $uid = 0; -die "Can't run op/stat.t test 35 without pwd working" unless $cwd; -($bin) = grep {-d} qw(/bin /usr/bin) - or print ("not ok 35\n"), goto tty_test; -chdir $bin || die "Can't cd to $bin: $!"; -while (defined($_ = <*>)) { - $cnt++; - $uid++ if -u; - last if $uid && $uid < $cnt; -} -chdir $cwd || die "Can't cd back to $cwd"; - -# I suppose this is going to fail somewhere... -if ($uid > 0 && $uid < $cnt) - {print "ok 35\n";} -else - {print "not ok 35 \n# ($uid $cnt)\n";} - -tty_test: - -unless (open(tty,"/dev/tty")) { - print STDERR "Can't open /dev/tty--run t/TEST outside of make.\n"; -} -if (-t tty) {print "ok 36\n";} else {print "not ok 36\n";} -if (-c tty) {print "ok 37\n";} else {print "not ok 37\n";} -close(tty); -if (! -t tty) {print "ok 38\n";} else {print "not ok 38\n";} -open(null,"/dev/null"); -if (! -t null || -e '/xenix' || -e '/MachTen') - {print "ok 39\n";} else {print "not ok 39\n";} -close(null); -if (-t) {print "ok 40\n";} else {print "not ok 40\n";} +# To assist in automated testing when a controlling terminal (/dev/tty) +# may not be available (at, cron rsh etc), the PERL_SKIP_TTY_TEST env var +# can be set to skip the tests that need a tty. +SKIP: { + skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST}; -# These aren't strictly "stat" calls, but so what? + my $TTY = $Is_Rhapsody ? "/dev/ttyp0" : "/dev/tty"; -if (-T 'op/stat.t') {print "ok 41\n";} else {print "not ok 41\n";} -if (! -B 'op/stat.t') {print "ok 42\n";} else {print "not ok 42\n";} + SKIP: { + skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare; + skip "No TTY to test -t with", 2 unless -e $TTY; -if (-B './perl' || -B './perl.exe') {print "ok 43\n";} else {print "not ok 43\n";} -if (! -T './perl' && ! -T './perl.exe') {print "ok 44\n";} else {print "not ok 44\n";} + open(TTY, $TTY) || + warn "Can't open $TTY--run t/TEST outside of make.\n"; + ok(-t TTY, '-t'); + ok(-c TTY, 'tty is -c'); + close(TTY); + } + ok(! -t TTY, '!-t on closed TTY filehandle'); -open(FOO,'op/stat.t'); -eval { -T FOO; }; -if ($@ =~ /not implemented/) { - print "# $@"; - for (45 .. 54) { - print "ok $_\n"; + { + local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS; + ok(-t, '-t on STDIN'); } } -else { - if (-T FOO) {print "ok 45\n";} else {print "not ok 45\n";} - if (! -B FOO) {print "ok 46\n";} else {print "not ok 46\n";} + +my $Null = File::Spec->devnull; +SKIP: { + skip "No null device to test with", 1 unless -e $Null; + skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32; + + open(NULL, $Null) or DIE("Can't open $Null: $!"); + ok(! -t NULL, 'null device is not a TTY'); + close(NULL); +} + + +# These aren't strictly "stat" calls, but so what? +my $statfile = File::Spec->catfile($Curdir, 'op', 'stat.t'); +ok( -T $statfile, '-T'); +ok(! -B $statfile, '!-B'); + +SKIP: { + skip("DG/UX", 1) if $Is_DGUX; +ok(-B $Perl, '-B'); +} + +ok(! -T $Perl, '!-T'); + +open(FOO,$statfile); +SKIP: { + eval { -T FOO; }; + skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/; + + is( $@, '', '-T on filehandle causes no errors' ); + + ok(-T FOO, ' -T'); + ok(! -B FOO, ' !-B'); + $_ = ; - if (/perl/) {print "ok 47\n";} else {print "not ok 47\n";} - if (-T FOO) {print "ok 48\n";} else {print "not ok 48\n";} - if (! -B FOO) {print "ok 49\n";} else {print "not ok 49\n";} + like($_, qr/perl/, 'after readline'); + ok(-T FOO, ' still -T'); + ok(! -B FOO, ' still -B'); close(FOO); - open(FOO,'op/stat.t'); + open(FOO,$statfile); $_ = ; - if (/perl/) {print "ok 50\n";} else {print "not ok 50\n";} - if (-T FOO) {print "ok 51\n";} else {print "not ok 51\n";} - if (! -B FOO) {print "ok 52\n";} else {print "not ok 52\n";} - seek(FOO,0,0); - if (-T FOO) {print "ok 53\n";} else {print "not ok 53\n";} - if (! -B FOO) {print "ok 54\n";} else {print "not ok 54\n";} + like($_, qr/perl/, 'reopened and after readline'); + ok(-T FOO, ' still -T'); + ok(! -B FOO, ' still !-B'); + + ok(seek(FOO,0,0), 'after seek'); + ok(-T FOO, ' still -T'); + ok(! -B FOO, ' still !-B'); + + # It's documented this way in perlfunc *shrug* + () = ; + ok(eof FOO, 'at EOF'); + ok(-T FOO, ' still -T'); + ok(-B FOO, ' now -B'); } close(FOO); -if (-T '/dev/null') {print "ok 55\n";} else {print "not ok 55\n";} -if (-B '/dev/null') {print "ok 56\n";} else {print "not ok 56\n";} + +SKIP: { + skip "No null device to test with", 2 unless -e $Null; + + ok(-T $Null, 'null device is -T'); + ok(-B $Null, ' and -B'); +} + + +# and now, a few parsing tests: +$_ = $tmpfile; +ok(-f, 'bare -f uses $_'); +ok(-f(), ' -f() "'); + +unlink $tmpfile or print "# unlink failed: $!\n"; + +# bug id 20011101.069 +my @r = \stat($Curdir); +is(scalar @r, 13, 'stat returns full 13 elements'); + +stat $0; +eval { lstat _ }; +like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/, + 'lstat _ croaks after stat' ); +eval { -l _ }; +like( $@, qr/^The stat preceding -l _ wasn't an lstat/, + '-l _ croaks after stat' ); + +lstat $0; +eval { lstat _ }; +is( "$@", "", "lstat _ ok after lstat" ); +eval { -l _ }; +is( "$@", "", "-l _ ok after lstat" ); + +SKIP: { + skip "No lstat", 2 unless $Config{d_lstat}; + + # bug id 20020124.004 + # If we have d_lstat, we should have symlink() + my $linkname = 'dolzero'; + symlink $0, $linkname or die "# Can't symlink $0: $!"; + lstat $linkname; + -T _; + eval { lstat _ }; + like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/, + 'lstat croaks after -T _' ); + eval { -l _ }; + like( $@, qr/^The stat preceding -l _ wasn't an lstat/, + '-l _ croaks after -T _' ); + unlink $linkname or print "# unlink $linkname failed: $!\n"; +} + +print "# Zzz...\n"; +sleep(3); +my $f = 'tstamp.tmp'; +unlink $f; +ok (open(S, "> $f"), 'can create tmp file'); +close S or die; +my @a = stat $f; +print "# time=$^T, stat=(@a)\n"; +my @b = (-M _, -A _, -C _); +print "# -MAC=(@b)\n"; +ok( (-M _) < 0, 'negative -M works'); +ok( (-A _) < 0, 'negative -A works'); +ok( (-C _) < 0, 'negative -C works'); +ok(unlink($f), 'unlink tmp file'); + +{ + ok(open(F, ">", $tmpfile), 'can create temp file'); + close F; + chmod 0077, $tmpfile; + my @a = stat($tmpfile); + my $s1 = -s _; + -T _; + my $s2 = -s _; + is($s1, $s2, q(-T _ doesn't break the statbuffer)); + unlink $tmpfile; +} + +END { + 1 while unlink $tmpfile; +}