xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/t/op/stat.t (revision 0:68f95e015346)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6    require './test.pl';	# for which_perl() etc
7}
8
9use Config;
10use File::Spec;
11
12plan tests => 78;
13
14my $Perl = which_perl();
15
16$Is_Amiga   = $^O eq 'amigaos';
17$Is_Cygwin  = $^O eq 'cygwin';
18$Is_Darwin  = $^O eq 'darwin';
19$Is_Dos     = $^O eq 'dos';
20$Is_MacOS   = $^O eq 'MacOS';
21$Is_MPE     = $^O eq 'mpeix';
22$Is_MSWin32 = $^O eq 'MSWin32';
23$Is_NetWare = $^O eq 'NetWare';
24$Is_OS2     = $^O eq 'os2';
25$Is_Solaris = $^O eq 'solaris';
26$Is_VMS     = $^O eq 'VMS';
27$Is_DGUX    = $^O eq 'dgux';
28$Is_MPRAS   = $^O =~ /svr4/ && -f '/etc/.relid';
29$Is_Rhapsody= $^O eq 'rhapsody';
30
31$Is_Dosish  = $Is_Dos || $Is_OS2 || $Is_MSWin32 || $Is_NetWare || $Is_Cygwin;
32
33$Is_UFS     = $Is_Darwin && (() = `df -t ufs .`) == 2;
34
35my($DEV, $INO, $MODE, $NLINK, $UID, $GID, $RDEV, $SIZE,
36   $ATIME, $MTIME, $CTIME, $BLKSIZE, $BLOCKS) = (0..12);
37
38my $Curdir = File::Spec->curdir;
39
40
41my $tmpfile = 'Op_stat.tmp';
42my $tmpfile_link = $tmpfile.'2';
43
44
451 while unlink $tmpfile;
46open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
47close FOO;
48
49open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
50
51my($nlink, $mtime, $ctime) = (stat(FOO))[$NLINK, $MTIME, $CTIME];
52SKIP: {
53    skip "No link count", 1 if $Is_VMS;
54
55    is($nlink, 1, 'nlink on regular file');
56}
57
58SKIP: {
59  skip "mtime and ctime not reliable", 2
60    if $Is_MSWin32 or $Is_NetWare or $Is_Cygwin or $Is_Dos or $Is_MacOS;
61
62  ok( $mtime,           'mtime' );
63  is( $mtime, $ctime,   'mtime == ctime' );
64}
65
66
67# Cygwin seems to have a 3 second granularity on its timestamps.
68my $funky_FAT_timestamps = $Is_Cygwin;
69sleep 3 if $funky_FAT_timestamps;
70
71print FOO "Now is the time for all good men to come to.\n";
72close(FOO);
73
74sleep 2 unless $funky_FAT_timestamps;
75
76
77SKIP: {
78    unlink $tmpfile_link;
79    my $lnk_result = eval { link $tmpfile, $tmpfile_link };
80    skip "link() unimplemented", 6 if $@ =~ /unimplemented/;
81
82    is( $@, '',         'link() implemented' );
83    ok( $lnk_result,    'linked tmp testfile' );
84    ok( chmod(0644, $tmpfile),             'chmoded tmp testfile' );
85
86    my($nlink, $mtime, $ctime) = (stat($tmpfile))[$NLINK, $MTIME, $CTIME];
87
88    SKIP: {
89        skip "No link count", 1 if $Config{dont_use_nlink};
90        skip "Cygwin9X fakes hard links by copying", 1
91          if $Config{myuname} =~ /^cygwin_(?:9\d|me)\b/i;
92
93        is($nlink, 2,     'Link count on hard linked file' );
94    }
95
96    SKIP: {
97        my $cwd = File::Spec->rel2abs($Curdir);
98        skip "Solaris tmpfs has different mtime/ctime link semantics", 2
99                                     if $Is_Solaris and $cwd =~ m#^/tmp# and
100                                        $mtime && $mtime == $ctime;
101        skip "AFS has different mtime/ctime link semantics", 2
102                                     if $cwd =~ m#$Config{'afsroot'}/#;
103        skip "AmigaOS has different mtime/ctime link semantics", 2
104                                     if $Is_Amiga;
105        # Win32 could pass $mtime test but as FAT and NTFS have
106        # no ctime concept $ctime is ALWAYS == $mtime
107        # expect netware to be the same ...
108        skip "No ctime concept on this OS", 2
109                                     if $Is_MSWin32 ||
110                                        ($Is_Darwin && $Is_UFS);
111
112        if( !ok($mtime, 'hard link mtime') ||
113            !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
114            print STDERR <<DIAG;
115# Check if you are on a tmpfs of some sort.  Building in /tmp sometimes
116# has this problem.  Building on the ClearCase VOBS filesystem may also
117# cause this failure.
118#
119# Darwin's UFS doesn't have a ctime concept, and thus is expected to fail
120# this test.
121DIAG
122        }
123    }
124
125}
126
127# truncate and touch $tmpfile.
128open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
129close F;
130
131ok(-z $tmpfile,     '-z on empty file');
132ok(! -s $tmpfile,   '   and -s');
133
134open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
135print F "hi\n";
136close F;
137
138ok(! -z $tmpfile,   '-z on non-empty file');
139ok(-s $tmpfile,     '   and -s');
140
141
142# Strip all access rights from the file.
143ok( chmod(0000, $tmpfile),     'chmod 0000' );
144
145SKIP: {
146    skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
147
148    SKIP: {
149        # Going to try to switch away from root.  Might not work.
150        my $olduid = $>;
151        eval { $> = 1; };
152        skip "Can't test -r or -w meaningfully if you're superuser", 2
153          if $> == 0;
154
155        SKIP: {
156            skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin;
157            ok(!-r $tmpfile,    "   -r");
158        }
159
160        ok(!-w $tmpfile,    "   -w");
161
162        # switch uid back (may not be implemented)
163        eval { $> = $olduid; };
164    }
165
166    ok(! -x $tmpfile,   '   -x');
167}
168
169
170
171
172# in ms windows, $tmpfile inherits owner uid from directory
173# not sure about os/2, but chown is harmless anyway
174eval { chown $>,$tmpfile; 1 } or print "# $@" ;
175
176ok(chmod(0700,$tmpfile),    'chmod 0700');
177ok(-r $tmpfile,     '   -r');
178ok(-w $tmpfile,     '   -w');
179
180SKIP: {
181    skip "-x simply determines if a file ends in an executable suffix", 1
182      if $Is_Dosish || $Is_MacOS;
183
184    ok(-x $tmpfile,     '   -x');
185}
186
187ok(  -f $tmpfile,   '   -f');
188ok(! -d $tmpfile,   '   !-d');
189
190# Is this portable?
191ok(  -d $Curdir,          '-d cwd' );
192ok(! -f $Curdir,          '!-f cwd' );
193
194
195SKIP: {
196    unlink($tmpfile_link);
197    my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
198    skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
199
200    is( $@, '',     'symlink() implemented' );
201    ok( $symlink_rslt,      'symlink() ok' );
202    ok(-l $tmpfile_link,    '-l');
203}
204
205ok(-o $tmpfile,     '-o');
206
207ok(-e $tmpfile,     '-e');
208
209unlink($tmpfile_link);
210ok(! -e $tmpfile_link,  '   -e on unlinked file');
211
212SKIP: {
213    skip "No character, socket or block special files", 6
214      if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
215    skip "/dev isn't available to test against", 6
216      unless -d '/dev' && -r '/dev' && -x '/dev';
217    skip "Skipping: unexpected ls output in MP-RAS", 6
218      if $Is_MPRAS;
219
220    my $LS  = $Config{d_readlink} ? "ls -lL" : "ls -l";
221    my $CMD = "$LS /dev 2>/dev/null";
222    my $DEV = qx($CMD);
223
224    skip "$CMD failed", 6 if $DEV eq '';
225
226    my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
227
228    skip "opendir failed: $!", 6 if @DEV == 0;
229
230    # /dev/stdout might be either character special or a named pipe,
231    # or a symlink, or a socket, depending on which OS and how are
232    # you running the test, so let's censor that one away.
233    # Similar remarks hold for stderr.
234    $DEV =~ s{^[cpls].+?\sstdout$}{}m;
235    @DEV =  grep { $_ ne 'stdout' } @DEV;
236    $DEV =~ s{^[cpls].+?\sstderr$}{}m;
237    @DEV =  grep { $_ ne 'stderr' } @DEV;
238
239    # /dev/printer is also naughty: in IRIX it shows up as
240    # Srwx-----, not srwx------.
241    $DEV =~ s{^.+?\sprinter$}{}m;
242    @DEV =  grep { $_ ne 'printer' } @DEV;
243
244    # If running as root, we will see .files in the ls result,
245    # and readdir() will see them always.  Potential for conflict,
246    # so let's weed them out.
247    $DEV =~ s{^.+?\s\..+?$}{}m;
248    @DEV =  grep { ! m{^\..+$} } @DEV;
249
250    # Irix ls -l marks sockets with 'S' while 's' is a 'XENIX semaphore'.
251    if ($^O eq 'irix') {
252        $DEV =~ s{^S(.+?)}{s$1}mg;
253    }
254
255    my $try = sub {
256	my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg];
257	my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
258	my $c1 = scalar @c1;
259	my $c2 = scalar @c2;
260	is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
261    };
262
263SKIP: {
264    skip("DG/UX ls -L broken", 3) if $Is_DGUX;
265
266    $try->('b', '-b');
267    $try->('c', '-c');
268    $try->('s', '-S');
269
270}
271
272ok(! -b $Curdir,    '!-b cwd');
273ok(! -c $Curdir,    '!-c cwd');
274ok(! -S $Curdir,    '!-S cwd');
275
276}
277
278SKIP: {
279    my($cnt, $uid);
280    $cnt = $uid = 0;
281
282    # Find a set of directories that's very likely to have setuid files
283    # but not likely to be *all* setuid files.
284    my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
285    skip "Can't find a setuid file to test with", 3 unless @bin;
286
287    for my $bin (@bin) {
288        opendir BIN, $bin or die "Can't opendir $bin: $!";
289        while (defined($_ = readdir BIN)) {
290            $_ = "$bin/$_";
291            $cnt++;
292            $uid++ if -u;
293            last if $uid && $uid < $cnt;
294        }
295    }
296    closedir BIN;
297
298    skip "No setuid programs", 3 if $uid == 0;
299
300    isnt($cnt, 0,    'found some programs');
301    isnt($uid, 0,    '  found some setuid programs');
302    ok($uid < $cnt,  "    they're not all setuid");
303}
304
305
306# To assist in automated testing when a controlling terminal (/dev/tty)
307# may not be available (at, cron  rsh etc), the PERL_SKIP_TTY_TEST env var
308# can be set to skip the tests that need a tty.
309SKIP: {
310    skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
311
312    my $TTY = $Is_Rhapsody ? "/dev/ttyp0" : "/dev/tty";
313
314    SKIP: {
315        skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare;
316        skip "No TTY to test -t with", 2 unless -e $TTY;
317
318        open(TTY, $TTY) ||
319          warn "Can't open $TTY--run t/TEST outside of make.\n";
320        ok(-t TTY,  '-t');
321        ok(-c TTY,  'tty is -c');
322        close(TTY);
323    }
324    ok(! -t TTY,    '!-t on closed TTY filehandle');
325
326    {
327        local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
328        ok(-t,          '-t on STDIN');
329    }
330}
331
332my $Null = File::Spec->devnull;
333SKIP: {
334    skip "No null device to test with", 1 unless -e $Null;
335    skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32;
336
337    open(NULL, $Null) or DIE("Can't open $Null: $!");
338    ok(! -t NULL,   'null device is not a TTY');
339    close(NULL);
340}
341
342
343# These aren't strictly "stat" calls, but so what?
344my $statfile = File::Spec->catfile($Curdir, 'op', 'stat.t');
345ok(  -T $statfile,    '-T');
346ok(! -B $statfile,    '!-B');
347
348SKIP: {
349     skip("DG/UX", 1) if $Is_DGUX;
350ok(-B $Perl,      '-B');
351}
352
353ok(! -T $Perl,    '!-T');
354
355open(FOO,$statfile);
356SKIP: {
357    eval { -T FOO; };
358    skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
359
360    is( $@, '',     '-T on filehandle causes no errors' );
361
362    ok(-T FOO,      '   -T');
363    ok(! -B FOO,    '   !-B');
364
365    $_ = <FOO>;
366    like($_, qr/perl/, 'after readline');
367    ok(-T FOO,      '   still -T');
368    ok(! -B FOO,    '   still -B');
369    close(FOO);
370
371    open(FOO,$statfile);
372    $_ = <FOO>;
373    like($_, qr/perl/,      'reopened and after readline');
374    ok(-T FOO,      '   still -T');
375    ok(! -B FOO,    '   still !-B');
376
377    ok(seek(FOO,0,0),   'after seek');
378    ok(-T FOO,          '   still -T');
379    ok(! -B FOO,        '   still !-B');
380
381    # It's documented this way in perlfunc *shrug*
382    () = <FOO>;
383    ok(eof FOO,         'at EOF');
384    ok(-T FOO,          '   still -T');
385    ok(-B FOO,          '   now -B');
386}
387close(FOO);
388
389
390SKIP: {
391    skip "No null device to test with", 2 unless -e $Null;
392
393    ok(-T $Null,  'null device is -T');
394    ok(-B $Null,  '    and -B');
395}
396
397
398# and now, a few parsing tests:
399$_ = $tmpfile;
400ok(-f,      'bare -f   uses $_');
401ok(-f(),    '     -f() "');
402
403unlink $tmpfile or print "# unlink failed: $!\n";
404
405# bug id 20011101.069
406my @r = \stat($Curdir);
407is(scalar @r, 13,   'stat returns full 13 elements');
408
409SKIP: {
410    skip "No lstat", 4 unless $Config{d_lstat};
411
412    stat $0;
413    eval { lstat _ };
414    like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
415	'lstat _ croaks after stat' );
416    eval { -l _ };
417    like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
418	'-l _ croaks after stat' );
419
420    # bug id 20020124.004
421    # If we have d_lstat, we should have symlink()
422    my $linkname = 'dolzero';
423    symlink $0, $linkname or die "# Can't symlink $0: $!";
424    lstat $linkname;
425    -T _;
426    eval { lstat _ };
427    like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
428	'lstat croaks after -T _' );
429    eval { -l _ };
430    like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
431	'-l _ croaks after -T _' );
432    unlink $linkname or print "# unlink $linkname failed: $!\n";
433}
434
435print "# Zzz...\n";
436sleep(3);
437my $f = 'tstamp.tmp';
438unlink $f;
439ok (open(S, "> $f"), 'can create tmp file');
440close S or die;
441my @a = stat $f;
442print "# time=$^T, stat=(@a)\n";
443my @b = (-M _, -A _, -C _);
444print "# -MAC=(@b)\n";
445ok( (-M _) < 0, 'negative -M works');
446ok( (-A _) < 0, 'negative -A works');
447ok( (-C _) < 0, 'negative -C works');
448ok(unlink($f), 'unlink tmp file');
449
450END {
451    1 while unlink $tmpfile;
452}
453