xref: /openbsd-src/gnu/usr.bin/perl/t/op/stat.t (revision 2b0358df1d88d06ef4139321dd05bd5e05d91eaf)
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 => 107;
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     = $Is_Darwin && (() = `df -t ufs . 2>/dev/null`) == 2;
34
35my($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
44chmod 0666, $tmpfile;
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];
52
53#nlink should if link support configured in Perl.
54SKIP: {
55    skip "No link count - Hard link support not built in.", 1
56	unless $Config{d_link};
57
58    is($nlink, 1, 'nlink on regular file');
59}
60
61SKIP: {
62  skip "mtime and ctime not reliable", 2
63    if $Is_MSWin32 or $Is_NetWare or $Is_Cygwin or $Is_Dos or $Is_MacOS or $Is_Darwin;
64
65  ok( $mtime,           'mtime' );
66  is( $mtime, $ctime,   'mtime == ctime' );
67}
68
69
70# Cygwin seems to have a 3 second granularity on its timestamps.
71my $funky_FAT_timestamps = $Is_Cygwin;
72sleep 3 if $funky_FAT_timestamps;
73
74print FOO "Now is the time for all good men to come to.\n";
75close(FOO);
76
77sleep 2;
78
79
80SKIP: {
81    unlink $tmpfile_link;
82    my $lnk_result = eval { link $tmpfile, $tmpfile_link };
83    skip "link() unimplemented", 6 if $@ =~ /unimplemented/;
84
85    is( $@, '',         'link() implemented' );
86    ok( $lnk_result,    'linked tmp testfile' );
87    ok( chmod(0644, $tmpfile),             'chmoded tmp testfile' );
88
89    my($nlink, $mtime, $ctime) = (stat($tmpfile))[$NLINK, $MTIME, $CTIME];
90
91    SKIP: {
92        skip "No link count", 1 if $Config{dont_use_nlink};
93        skip "Cygwin9X fakes hard links by copying", 1
94          if $Config{myuname} =~ /^cygwin_(?:9\d|me)\b/i;
95
96        is($nlink, 2,     'Link count on hard linked file' );
97    }
98
99    SKIP: {
100        my $cwd = File::Spec->rel2abs($Curdir);
101        skip "Solaris tmpfs has different mtime/ctime link semantics", 2
102                                     if $Is_Solaris and $cwd =~ m#^/tmp# and
103                                        $mtime && $mtime == $ctime;
104        skip "AFS has different mtime/ctime link semantics", 2
105                                     if $cwd =~ m#$Config{'afsroot'}/#;
106        skip "AmigaOS has different mtime/ctime link semantics", 2
107                                     if $Is_Amiga;
108        # Win32 could pass $mtime test but as FAT and NTFS have
109        # no ctime concept $ctime is ALWAYS == $mtime
110        # expect netware to be the same ...
111        skip "No ctime concept on this OS", 2
112                                     if $Is_MSWin32 ||
113                                        ($Is_Darwin && $Is_UFS);
114
115        if( !ok($mtime, 'hard link mtime') ||
116            !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
117            print STDERR <<DIAG;
118# Check if you are on a tmpfs of some sort.  Building in /tmp sometimes
119# has this problem.  Building on the ClearCase VOBS filesystem may also
120# cause this failure.
121#
122# Darwin's UFS doesn't have a ctime concept, and thus is expected to fail
123# this test.
124DIAG
125        }
126    }
127
128}
129
130# truncate and touch $tmpfile.
131open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
132ok(-z \*F,     '-z on empty filehandle');
133ok(! -s \*F,   '   and -s');
134close F;
135
136ok(-z $tmpfile,     '-z on empty file');
137ok(! -s $tmpfile,   '   and -s');
138
139open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
140print F "hi\n";
141close F;
142
143open(F, "<$tmpfile") || DIE("Can't open temp test file: $!");
144ok(!-z *F,     '-z on empty filehandle');
145ok( -s *F,   '   and -s');
146close F;
147
148ok(! -z $tmpfile,   '-z on non-empty file');
149ok(-s $tmpfile,     '   and -s');
150
151
152# Strip all access rights from the file.
153ok( chmod(0000, $tmpfile),     'chmod 0000' );
154
155SKIP: {
156    skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
157
158    SKIP: {
159        # Going to try to switch away from root.  Might not work.
160        my $olduid = $>;
161        eval { $> = 1; };
162        skip "Can't test -r or -w meaningfully if you're superuser", 2
163          if $> == 0;
164
165        SKIP: {
166            skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin;
167            ok(!-r $tmpfile,    "   -r");
168        }
169
170        ok(!-w $tmpfile,    "   -w");
171
172        # switch uid back (may not be implemented)
173        eval { $> = $olduid; };
174    }
175
176    ok(! -x $tmpfile,   '   -x');
177}
178
179
180
181ok(chmod(0700,$tmpfile),    'chmod 0700');
182ok(-r $tmpfile,     '   -r');
183ok(-w $tmpfile,     '   -w');
184
185SKIP: {
186    skip "-x simply determines if a file ends in an executable suffix", 1
187      if $Is_Dosish || $Is_MacOS;
188
189    ok(-x $tmpfile,     '   -x');
190}
191
192ok(  -f $tmpfile,   '   -f');
193ok(! -d $tmpfile,   '   !-d');
194
195# Is this portable?
196ok(  -d $Curdir,          '-d cwd' );
197ok(! -f $Curdir,          '!-f cwd' );
198
199
200SKIP: {
201    unlink($tmpfile_link);
202    my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
203    skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
204
205    is( $@, '',     'symlink() implemented' );
206    ok( $symlink_rslt,      'symlink() ok' );
207    ok(-l $tmpfile_link,    '-l');
208}
209
210ok(-o $tmpfile,     '-o');
211
212ok(-e $tmpfile,     '-e');
213
214unlink($tmpfile_link);
215ok(! -e $tmpfile_link,  '   -e on unlinked file');
216
217SKIP: {
218    skip "No character, socket or block special files", 6
219      if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
220    skip "/dev isn't available to test against", 6
221      unless -d '/dev' && -r '/dev' && -x '/dev';
222    skip "Skipping: unexpected ls output in MP-RAS", 6
223      if $Is_MPRAS;
224
225    # VMS problem:  If GNV or other UNIX like tool is installed, then
226    # sometimes Perl will find /bin/ls, and will try to run it.
227    # But since Perl on VMS does not know to run it under Bash, it will
228    # try to run the DCL verb LS.  And if the VMS product Language
229    # Sensitive Editor is installed, or some other LS verb, that will
230    # be run instead.  So do not do this until we can teach Perl
231    # when to use BASH on VMS.
232    skip "ls command not available to Perl in OpenVMS right now.", 6
233      if $Is_VMS;
234
235    my $LS  = $Config{d_readlink} ? "ls -lL" : "ls -l";
236    my $CMD = "$LS /dev 2>/dev/null";
237    my $DEV = qx($CMD);
238
239    skip "$CMD failed", 6 if $DEV eq '';
240
241    my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
242
243    skip "opendir failed: $!", 6 if @DEV == 0;
244
245    # /dev/stdout might be either character special or a named pipe,
246    # or a symlink, or a socket, depending on which OS and how are
247    # you running the test, so let's censor that one away.
248    # Similar remarks hold for stderr.
249    $DEV =~ s{^[cpls].+?\sstdout$}{}m;
250    @DEV =  grep { $_ ne 'stdout' } @DEV;
251    $DEV =~ s{^[cpls].+?\sstderr$}{}m;
252    @DEV =  grep { $_ ne 'stderr' } @DEV;
253
254    # /dev/printer is also naughty: in IRIX it shows up as
255    # Srwx-----, not srwx------.
256    $DEV =~ s{^.+?\sprinter$}{}m;
257    @DEV =  grep { $_ ne 'printer' } @DEV;
258
259    # If running as root, we will see .files in the ls result,
260    # and readdir() will see them always.  Potential for conflict,
261    # so let's weed them out.
262    $DEV =~ s{^.+?\s\..+?$}{}m;
263    @DEV =  grep { ! m{^\..+$} } @DEV;
264
265    # Irix ls -l marks sockets with 'S' while 's' is a 'XENIX semaphore'.
266    if ($^O eq 'irix') {
267        $DEV =~ s{^S(.+?)}{s$1}mg;
268    }
269
270    my $try = sub {
271	my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg];
272	my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
273	my $c1 = scalar @c1;
274	my $c2 = scalar @c2;
275	is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
276    };
277
278SKIP: {
279    skip("DG/UX ls -L broken", 3) if $Is_DGUX;
280
281    $try->('b', '-b');
282    $try->('c', '-c');
283    $try->('s', '-S');
284
285}
286
287ok(! -b $Curdir,    '!-b cwd');
288ok(! -c $Curdir,    '!-c cwd');
289ok(! -S $Curdir,    '!-S cwd');
290
291}
292
293SKIP: {
294    my($cnt, $uid);
295    $cnt = $uid = 0;
296
297    # Find a set of directories that's very likely to have setuid files
298    # but not likely to be *all* setuid files.
299    my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
300    skip "Can't find a setuid file to test with", 3 unless @bin;
301
302    for my $bin (@bin) {
303        opendir BIN, $bin or die "Can't opendir $bin: $!";
304        while (defined($_ = readdir BIN)) {
305            $_ = "$bin/$_";
306            $cnt++;
307            $uid++ if -u;
308            last if $uid && $uid < $cnt;
309        }
310    }
311    closedir BIN;
312
313    skip "No setuid programs", 3 if $uid == 0;
314
315    isnt($cnt, 0,    'found some programs');
316    isnt($uid, 0,    '  found some setuid programs');
317    ok($uid < $cnt,  "    they're not all setuid");
318}
319
320
321# To assist in automated testing when a controlling terminal (/dev/tty)
322# may not be available (at, cron  rsh etc), the PERL_SKIP_TTY_TEST env var
323# can be set to skip the tests that need a tty.
324SKIP: {
325    skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
326
327    my $TTY = $Is_Rhapsody ? "/dev/ttyp0" : "/dev/tty";
328
329    SKIP: {
330        skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare;
331        skip "No TTY to test -t with", 2 unless -e $TTY;
332
333        open(TTY, $TTY) ||
334          warn "Can't open $TTY--run t/TEST outside of make.\n";
335        ok(-t TTY,  '-t');
336        ok(-c TTY,  'tty is -c');
337        close(TTY);
338    }
339    ok(! -t TTY,    '!-t on closed TTY filehandle');
340
341    {
342        local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
343        ok(-t,          '-t on STDIN');
344    }
345}
346
347my $Null = File::Spec->devnull;
348SKIP: {
349    skip "No null device to test with", 1 unless -e $Null;
350    skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32;
351
352    open(NULL, $Null) or DIE("Can't open $Null: $!");
353    ok(! -t NULL,   'null device is not a TTY');
354    close(NULL);
355}
356
357
358# These aren't strictly "stat" calls, but so what?
359my $statfile = File::Spec->catfile($Curdir, 'op', 'stat.t');
360ok(  -T $statfile,    '-T');
361ok(! -B $statfile,    '!-B');
362
363SKIP: {
364     skip("DG/UX", 1) if $Is_DGUX;
365ok(-B $Perl,      '-B');
366}
367
368ok(! -T $Perl,    '!-T');
369
370open(FOO,$statfile);
371SKIP: {
372    eval { -T FOO; };
373    skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
374
375    is( $@, '',     '-T on filehandle causes no errors' );
376
377    ok(-T FOO,      '   -T');
378    ok(! -B FOO,    '   !-B');
379
380    $_ = <FOO>;
381    like($_, qr/perl/, 'after readline');
382    ok(-T FOO,      '   still -T');
383    ok(! -B FOO,    '   still -B');
384    close(FOO);
385
386    open(FOO,$statfile);
387    $_ = <FOO>;
388    like($_, qr/perl/,      'reopened and after readline');
389    ok(-T FOO,      '   still -T');
390    ok(! -B FOO,    '   still !-B');
391
392    ok(seek(FOO,0,0),   'after seek');
393    ok(-T FOO,          '   still -T');
394    ok(! -B FOO,        '   still !-B');
395
396    # It's documented this way in perlfunc *shrug*
397    () = <FOO>;
398    ok(eof FOO,         'at EOF');
399    ok(-T FOO,          '   still -T');
400    ok(-B FOO,          '   now -B');
401}
402close(FOO);
403
404
405SKIP: {
406    skip "No null device to test with", 2 unless -e $Null;
407
408    ok(-T $Null,  'null device is -T');
409    ok(-B $Null,  '    and -B');
410}
411
412
413# and now, a few parsing tests:
414$_ = $tmpfile;
415ok(-f,      'bare -f   uses $_');
416ok(-f(),    '     -f() "');
417
418unlink $tmpfile or print "# unlink failed: $!\n";
419
420# bug id 20011101.069
421my @r = \stat($Curdir);
422is(scalar @r, 13,   'stat returns full 13 elements');
423
424stat $0;
425eval { lstat _ };
426like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
427    'lstat _ croaks after stat' );
428eval { -l _ };
429like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
430    '-l _ croaks after stat' );
431
432lstat $0;
433eval { lstat _ };
434is( "$@", "", "lstat _ ok after lstat" );
435eval { -l _ };
436is( "$@", "", "-l _ ok after lstat" );
437
438SKIP: {
439    skip "No lstat", 2 unless $Config{d_lstat};
440
441    # bug id 20020124.004
442    # If we have d_lstat, we should have symlink()
443    my $linkname = 'dolzero';
444    symlink $0, $linkname or die "# Can't symlink $0: $!";
445    lstat $linkname;
446    -T _;
447    eval { lstat _ };
448    like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
449	'lstat croaks after -T _' );
450    eval { -l _ };
451    like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
452	'-l _ croaks after -T _' );
453    unlink $linkname or print "# unlink $linkname failed: $!\n";
454}
455
456print "# Zzz...\n";
457sleep(3);
458my $f = 'tstamp.tmp';
459unlink $f;
460ok (open(S, "> $f"), 'can create tmp file');
461close S or die;
462my @a = stat $f;
463print "# time=$^T, stat=(@a)\n";
464my @b = (-M _, -A _, -C _);
465print "# -MAC=(@b)\n";
466ok( (-M _) < 0, 'negative -M works');
467ok( (-A _) < 0, 'negative -A works');
468ok( (-C _) < 0, 'negative -C works');
469ok(unlink($f), 'unlink tmp file');
470
471{
472    ok(open(F, ">", $tmpfile), 'can create temp file');
473    close F;
474    chmod 0077, $tmpfile;
475    my @a = stat($tmpfile);
476    my $s1 = -s _;
477    -T _;
478    my $s2 = -s _;
479    is($s1, $s2, q(-T _ doesn't break the statbuffer));
480    unlink $tmpfile;
481}
482
483SKIP: {
484    skip "No dirfd()", 9 unless $Config{d_dirfd} || $Config{d_dir_dd_fd};
485    ok(opendir(DIR, "."), 'Can open "." dir') || diag "Can't open '.':  $!";
486    ok(stat(DIR), "stat() on dirhandle works");
487    ok(-d -r _ , "chained -x's on dirhandle");
488    ok(-d DIR, "-d on a dirhandle works");
489
490    # And now for the ambigious bareword case
491    ok(open(DIR, "TEST"), 'Can open "TEST" dir')
492	|| diag "Can't open 'TEST':  $!";
493    my $size = (stat(DIR))[7];
494    ok(defined $size, "stat() on bareword works");
495    is($size, -s "TEST", "size returned by stat of bareword is for the file");
496    ok(-f _, "ambiguous bareword uses file handle, not dir handle");
497    ok(-f DIR);
498    closedir DIR or die $!;
499    close DIR or die $!;
500}
501
502{
503    # RT #8244: *FILE{IO} does not behave like *FILE for stat() and -X() operators
504    ok(open(F, ">", $tmpfile), 'can create temp file');
505    my @thwap = stat *F{IO};
506    ok(@thwap, "stat(*F{IO}) works");
507    ok( -f *F{IO} , "single file tests work with *F{IO}");
508    close F;
509    unlink $tmpfile;
510
511    #PVIO's hold dirhandle information, so let's test them too.
512
513    SKIP: {
514        skip "No dirfd()", 9 unless $Config{d_dirfd} || $Config{d_dir_dd_fd};
515        ok(opendir(DIR, "."), 'Can open "." dir') || diag "Can't open '.':  $!";
516        ok(stat(*DIR{IO}), "stat() on *DIR{IO} works");
517	ok(-d _ , "The special file handle _ is set correctly");
518        ok(-d -r *DIR{IO} , "chained -x's on *DIR{IO}");
519
520	# And now for the ambigious bareword case
521	ok(open(DIR, "TEST"), 'Can open "TEST" dir')
522	    || diag "Can't open 'TEST':  $!";
523	my $size = (stat(*DIR{IO}))[7];
524	ok(defined $size, "stat() on *THINGY{IO} works");
525	is($size, -s "TEST",
526	   "size returned by stat of *THINGY{IO} is for the file");
527	ok(-f _, "ambiguous *THINGY{IO} uses file handle, not dir handle");
528	ok(-f *DIR{IO});
529	closedir DIR or die $!;
530	close DIR or die $!;
531    }
532}
533
534END {
535    chmod 0666, $tmpfile;
536    1 while unlink $tmpfile;
537}
538