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[perl5.git] / t / op / stat.t
CommitLineData
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1#!./perl
2
ea368a7c
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3BEGIN {
4 chdir 't' if -d 't';
20822f61 5 @INC = '../lib';
2bc69dc4 6 require './test.pl'; # for which_perl() etc
ea368a7c
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7}
8
9use Config;
de5a37b2 10use File::Spec;
ea368a7c 11
5228a96c 12plan tests => 88;
8d063cd8 13
2bc69dc4 14my $Perl = which_perl();
b5fe401b 15
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MS
16$Is_Amiga = $^O eq 'amigaos';
17$Is_Cygwin = $^O eq 'cygwin';
be4e88b6 18$Is_Darwin = $^O eq 'darwin';
cc25fa79 19$Is_Dos = $^O eq 'dos';
dc459aad 20$Is_MacOS = $^O eq 'MacOS';
cc25fa79 21$Is_MPE = $^O eq 'mpeix';
68dc0745 22$Is_MSWin32 = $^O eq 'MSWin32';
2986a63f 23$Is_NetWare = $^O eq 'NetWare';
cc25fa79
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24$Is_OS2 = $^O eq 'os2';
25$Is_Solaris = $^O eq 'solaris';
de5a37b2 26$Is_VMS = $^O eq 'VMS';
95036ac7 27$Is_DGUX = $^O eq 'dgux';
ca37ab50 28$Is_MPRAS = $^O =~ /svr4/ && -f '/etc/.relid';
61967be2 29$Is_Rhapsody= $^O eq 'rhapsody';
cc25fa79
MS
30
31$Is_Dosish = $Is_Dos || $Is_OS2 || $Is_MSWin32 || $Is_NetWare || $Is_Cygwin;
cc25fa79 32
be4e88b6
MS
33$Is_UFS = $Is_Darwin && (() = `df -t ufs .`) == 2;
34
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35my($DEV, $INO, $MODE, $NLINK, $UID, $GID, $RDEV, $SIZE,
36 $ATIME, $MTIME, $CTIME, $BLKSIZE, $BLOCKS) = (0..12);
d48672a2 37
de5a37b2
MS
38my $Curdir = File::Spec->curdir;
39
4435c477 40
de5a37b2 41my $tmpfile = 'Op_stat.tmp';
cc25fa79 42my $tmpfile_link = $tmpfile.'2';
4435c477 43
8d220878 44
98a392ec 451 while unlink $tmpfile;
c4fbe247 46open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
de5a37b2 47close FOO;
8d220878 48
c4fbe247 49open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
4435c477 50
cc25fa79 51my($nlink, $mtime, $ctime) = (stat(FOO))[$NLINK, $MTIME, $CTIME];
16ed4686
JM
52
53#VMS Fix-me: nlink should work on VMS if applicable link support configured.
b5bfebd7
MS
54SKIP: {
55 skip "No link count", 1 if $Is_VMS;
56
57 is($nlink, 1, 'nlink on regular file');
58}
8d220878 59
cc25fa79 60SKIP: {
d5b53b20 61 skip "mtime and ctime not reliable", 2
90d7ba48 62 if $Is_MSWin32 or $Is_NetWare or $Is_Cygwin or $Is_Dos or $Is_MacOS or $Is_Darwin;
cc25fa79
MS
63
64 ok( $mtime, 'mtime' );
65 is( $mtime, $ctime, 'mtime == ctime' );
4435c477 66}
8d063cd8 67
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68
69# Cygwin seems to have a 3 second granularity on its timestamps.
70my $funky_FAT_timestamps = $Is_Cygwin;
71sleep 3 if $funky_FAT_timestamps;
72
73print FOO "Now is the time for all good men to come to.\n";
74close(FOO);
75
151269f6 76sleep 2;
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MS
77
78
79SKIP: {
80 unlink $tmpfile_link;
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MS
81 my $lnk_result = eval { link $tmpfile, $tmpfile_link };
82 skip "link() unimplemented", 6 if $@ =~ /unimplemented/;
cc25fa79 83
de5a37b2
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84 is( $@, '', 'link() implemented' );
85 ok( $lnk_result, 'linked tmp testfile' );
cc25fa79
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86 ok( chmod(0644, $tmpfile), 'chmoded tmp testfile' );
87
88 my($nlink, $mtime, $ctime) = (stat($tmpfile))[$NLINK, $MTIME, $CTIME];
89
90 SKIP: {
91 skip "No link count", 1 if $Config{dont_use_nlink};
f672c027 92 skip "Cygwin9X fakes hard links by copying", 1
7d38e28d 93 if $Config{myuname} =~ /^cygwin_(?:9\d|me)\b/i;
f672c027 94
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95 is($nlink, 2, 'Link count on hard linked file' );
96 }
97
98 SKIP: {
de5a37b2 99 my $cwd = File::Spec->rel2abs($Curdir);
d5b53b20
NIS
100 skip "Solaris tmpfs has different mtime/ctime link semantics", 2
101 if $Is_Solaris and $cwd =~ m#^/tmp# and
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102 $mtime && $mtime == $ctime;
103 skip "AFS has different mtime/ctime link semantics", 2
104 if $cwd =~ m#$Config{'afsroot'}/#;
105 skip "AmigaOS has different mtime/ctime link semantics", 2
106 if $Is_Amiga;
d5b53b20
NIS
107 # Win32 could pass $mtime test but as FAT and NTFS have
108 # no ctime concept $ctime is ALWAYS == $mtime
109 # expect netware to be the same ...
110 skip "No ctime concept on this OS", 2
be4e88b6
MS
111 if $Is_MSWin32 ||
112 ($Is_Darwin && $Is_UFS);
113
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114 if( !ok($mtime, 'hard link mtime') ||
115 !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
be4e88b6 116 print STDERR <<DIAG;
d5b53b20 117# Check if you are on a tmpfs of some sort. Building in /tmp sometimes
61967be2 118# has this problem. Building on the ClearCase VOBS filesystem may also
cc25fa79 119# cause this failure.
61967be2
AL
120#
121# Darwin's UFS doesn't have a ctime concept, and thus is expected to fail
122# this test.
cc25fa79
MS
123DIAG
124 }
125 }
126
3fe9a6f1 127}
8d063cd8 128
cc25fa79 129# truncate and touch $tmpfile.
c4fbe247 130open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
bda6ed21
PM
131ok(-z \*F, '-z on empty filehandle');
132ok(! -s \*F, ' and -s');
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133close F;
134
135ok(-z $tmpfile, '-z on empty file');
136ok(! -s $tmpfile, ' and -s');
137
c4fbe247 138open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
cc25fa79
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139print F "hi\n";
140close F;
141
bda6ed21
PM
142open(F, "<$tmpfile") || DIE("Can't open temp test file: $!");
143ok(!-z *F, '-z on empty filehandle');
144ok( -s *F, ' and -s');
145close F;
146
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MS
147ok(! -z $tmpfile, '-z on non-empty file');
148ok(-s $tmpfile, ' and -s');
149
150
151# Strip all access rights from the file.
152ok( chmod(0000, $tmpfile), 'chmod 0000' );
153
154SKIP: {
de5a37b2 155 skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
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MS
156
157 SKIP: {
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MS
158 # Going to try to switch away from root. Might not work.
159 my $olduid = $>;
160 eval { $> = 1; };
d5b53b20 161 skip "Can't test -r or -w meaningfully if you're superuser", 2
de5a37b2
MS
162 if $> == 0;
163
164 SKIP: {
165 skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin;
166 ok(!-r $tmpfile, " -r");
167 }
cc25fa79 168
de5a37b2 169 ok(!-w $tmpfile, " -w");
cc25fa79 170
de5a37b2
MS
171 # switch uid back (may not be implemented)
172 eval { $> = $olduid; };
173 }
174
175 ok(! -x $tmpfile, ' -x');
a245ea2d 176}
cc25fa79 177
de5a37b2 178
cc25fa79 179
cc25fa79
MS
180ok(chmod(0700,$tmpfile), 'chmod 0700');
181ok(-r $tmpfile, ' -r');
182ok(-w $tmpfile, ' -w');
183
184SKIP: {
61967be2 185 skip "-x simply determines if a file ends in an executable suffix", 1
dc459aad 186 if $Is_Dosish || $Is_MacOS;
cc25fa79
MS
187
188 ok(-x $tmpfile, ' -x');
6eb13c3b 189}
cc25fa79
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190
191ok( -f $tmpfile, ' -f');
192ok(! -d $tmpfile, ' !-d');
193
194# Is this portable?
de5a37b2
MS
195ok( -d $Curdir, '-d cwd' );
196ok(! -f $Curdir, '!-f cwd' );
197
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198
199SKIP: {
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200 unlink($tmpfile_link);
201 my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
202 skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
cc25fa79 203
de5a37b2
MS
204 is( $@, '', 'symlink() implemented' );
205 ok( $symlink_rslt, 'symlink() ok' );
206 ok(-l $tmpfile_link, '-l');
6eb13c3b 207}
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208
209ok(-o $tmpfile, '-o');
210
211ok(-e $tmpfile, '-e');
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212
213unlink($tmpfile_link);
cc25fa79
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214ok(! -e $tmpfile_link, ' -e on unlinked file');
215
216SKIP: {
feef4889 217 skip "No character, socket or block special files", 6
cc25fa79 218 if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
feef4889 219 skip "/dev isn't available to test against", 6
3fcc9fea 220 unless -d '/dev' && -r '/dev' && -x '/dev';
61967be2 221 skip "Skipping: unexpected ls output in MP-RAS", 6
ca37ab50 222 if $Is_MPRAS;
de5a37b2 223
16ed4686
JM
224 # VMS problem: If GNV or other UNIX like tool is installed, then
225 # sometimes Perl will find /bin/ls, and will try to run it.
226 # But since Perl on VMS does not know to run it under Bash, it will
227 # try to run the DCL verb LS. And if the VMS product Language
228 # Sensitive Editor is installed, or some other LS verb, that will
229 # be run instead. So do not do this until we can teach Perl
230 # when to use BASH on VMS.
231 skip "ls command not available to Perl in OpenVMS right now.", 6
232 if $Is_VMS;
233
d5b53b20 234 my $LS = $Config{d_readlink} ? "ls -lL" : "ls -l";
eb1102fc 235 my $CMD = "$LS /dev 2>/dev/null";
a7ec4029
JH
236 my $DEV = qx($CMD);
237
feef4889 238 skip "$CMD failed", 6 if $DEV eq '';
a7ec4029 239
3fcc9fea
JH
240 my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
241
feef4889 242 skip "opendir failed: $!", 6 if @DEV == 0;
3fcc9fea 243
9aa9a1a6 244 # /dev/stdout might be either character special or a named pipe,
db8ab41e
JH
245 # or a symlink, or a socket, depending on which OS and how are
246 # you running the test, so let's censor that one away.
6320a86a 247 # Similar remarks hold for stderr.
db8ab41e 248 $DEV =~ s{^[cpls].+?\sstdout$}{}m;
267513dc 249 @DEV = grep { $_ ne 'stdout' } @DEV;
6320a86a
AD
250 $DEV =~ s{^[cpls].+?\sstderr$}{}m;
251 @DEV = grep { $_ ne 'stderr' } @DEV;
267513dc 252
c7974a0a
JH
253 # /dev/printer is also naughty: in IRIX it shows up as
254 # Srwx-----, not srwx------.
255 $DEV =~ s{^.+?\sprinter$}{}m;
256 @DEV = grep { $_ ne 'printer' } @DEV;
257
267513dc
JH
258 # If running as root, we will see .files in the ls result,
259 # and readdir() will see them always. Potential for conflict,
260 # so let's weed them out.
261 $DEV =~ s{^.+?\s\..+?$}{}m;
262 @DEV = grep { ! m{^\..+$} } @DEV;
9aa9a1a6 263
085a16fc
JH
264 # Irix ls -l marks sockets with 'S' while 's' is a 'XENIX semaphore'.
265 if ($^O eq 'irix') {
266 $DEV =~ s{^S(.+?)}{s$1}mg;
267 }
268
3fcc9fea 269 my $try = sub {
9f966f7a 270 my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg];
3fcc9fea
JH
271 my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
272 my $c1 = scalar @c1;
273 my $c2 = scalar @c2;
9aa9a1a6 274 is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
3fcc9fea
JH
275 };
276
95036ac7
JH
277SKIP: {
278 skip("DG/UX ls -L broken", 3) if $Is_DGUX;
279
3fcc9fea
JH
280 $try->('b', '-b');
281 $try->('c', '-c');
282 $try->('s', '-S');
95036ac7 283
378cc40b
LW
284}
285
3fcc9fea 286ok(! -b $Curdir, '!-b cwd');
de5a37b2
MS
287ok(! -c $Curdir, '!-c cwd');
288ok(! -S $Curdir, '!-S cwd');
cc25fa79 289
95036ac7
JH
290}
291
cc25fa79 292SKIP: {
cc25fa79
MS
293 my($cnt, $uid);
294 $cnt = $uid = 0;
295
296 # Find a set of directories that's very likely to have setuid files
297 # but not likely to be *all* setuid files.
298 my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
de5a37b2 299 skip "Can't find a setuid file to test with", 3 unless @bin;
cc25fa79
MS
300
301 for my $bin (@bin) {
302 opendir BIN, $bin or die "Can't opendir $bin: $!";
303 while (defined($_ = readdir BIN)) {
304 $_ = "$bin/$_";
305 $cnt++;
306 $uid++ if -u;
307 last if $uid && $uid < $cnt;
308 }
309 }
310 closedir BIN;
311
2304a331
JH
312 skip "No setuid programs", 3 if $uid == 0;
313
314 isnt($cnt, 0, 'found some programs');
315 isnt($uid, 0, ' found some setuid programs');
316 ok($uid < $cnt, " they're not all setuid");
378cc40b 317}
b8440792 318
378cc40b 319
3e3baf6d
TB
320# To assist in automated testing when a controlling terminal (/dev/tty)
321# may not be available (at, cron rsh etc), the PERL_SKIP_TTY_TEST env var
322# can be set to skip the tests that need a tty.
cc25fa79
MS
323SKIP: {
324 skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
325
61967be2 326 my $TTY = $Is_Rhapsody ? "/dev/ttyp0" : "/dev/tty";
cc25fa79
MS
327
328 SKIP: {
329 skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare;
330 skip "No TTY to test -t with", 2 unless -e $TTY;
331
d5b53b20 332 open(TTY, $TTY) ||
cc25fa79
MS
333 warn "Can't open $TTY--run t/TEST outside of make.\n";
334 ok(-t TTY, '-t');
335 ok(-c TTY, 'tty is -c');
336 close(TTY);
3e3baf6d 337 }
cc25fa79 338 ok(! -t TTY, '!-t on closed TTY filehandle');
28e8237b
MS
339
340 {
341 local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
342 ok(-t, '-t on STDIN');
343 }
68dc0745 344}
cc25fa79 345
de5a37b2 346my $Null = File::Spec->devnull;
cc25fa79 347SKIP: {
de5a37b2 348 skip "No null device to test with", 1 unless -e $Null;
d5b53b20 349 skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32;
cc25fa79 350
c4fbe247 351 open(NULL, $Null) or DIE("Can't open $Null: $!");
de5a37b2 352 ok(! -t NULL, 'null device is not a TTY');
cc25fa79 353 close(NULL);
378cc40b 354}
cc25fa79 355
378cc40b
LW
356
357# These aren't strictly "stat" calls, but so what?
dc459aad
JH
358my $statfile = File::Spec->catfile($Curdir, 'op', 'stat.t');
359ok( -T $statfile, '-T');
360ok(! -B $statfile, '!-B');
378cc40b 361
95036ac7
JH
362SKIP: {
363 skip("DG/UX", 1) if $Is_DGUX;
b5fe401b 364ok(-B $Perl, '-B');
95036ac7
JH
365}
366
b5fe401b 367ok(! -T $Perl, '!-T');
378cc40b 368
dc459aad 369open(FOO,$statfile);
cc25fa79
MS
370SKIP: {
371 eval { -T FOO; };
de5a37b2 372 skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
cc25fa79
MS
373
374 is( $@, '', '-T on filehandle causes no errors' );
375
376 ok(-T FOO, ' -T');
377 ok(! -B FOO, ' !-B');
378
f0fcb552 379 $_ = <FOO>;
1d662fb6 380 like($_, qr/perl/, 'after readline');
cc25fa79
MS
381 ok(-T FOO, ' still -T');
382 ok(! -B FOO, ' still -B');
f0fcb552
LW
383 close(FOO);
384
dc459aad 385 open(FOO,$statfile);
f0fcb552 386 $_ = <FOO>;
1d662fb6 387 like($_, qr/perl/, 'reopened and after readline');
cc25fa79
MS
388 ok(-T FOO, ' still -T');
389 ok(! -B FOO, ' still !-B');
390
391 ok(seek(FOO,0,0), 'after seek');
de5a37b2
MS
392 ok(-T FOO, ' still -T');
393 ok(! -B FOO, ' still !-B');
394
395 # It's documented this way in perlfunc *shrug*
396 () = <FOO>;
397 ok(eof FOO, 'at EOF');
398 ok(-T FOO, ' still -T');
399 ok(-B FOO, ' now -B');
f0fcb552
LW
400}
401close(FOO);
378cc40b 402
cc25fa79 403
de5a37b2
MS
404SKIP: {
405 skip "No null device to test with", 2 unless -e $Null;
406
407 ok(-T $Null, 'null device is -T');
408 ok(-B $Null, ' and -B');
409}
cc25fa79 410
108ed793
SM
411
412# and now, a few parsing tests:
cc25fa79
MS
413$_ = $tmpfile;
414ok(-f, 'bare -f uses $_');
415ok(-f(), ' -f() "');
108ed793 416
cc25fa79 417unlink $tmpfile or print "# unlink failed: $!\n";
58d95175
RG
418
419# bug id 20011101.069
dc459aad 420my @r = \stat($Curdir);
cc25fa79 421is(scalar @r, 13, 'stat returns full 13 elements');
5c9aa243 422
049f818b
YST
423stat $0;
424eval { lstat _ };
425like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
426 'lstat _ croaks after stat' );
427eval { -l _ };
428like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
429 '-l _ croaks after stat' );
430
431lstat $0;
432eval { lstat _ };
433is( "$@", "", "lstat _ ok after lstat" );
434eval { -l _ };
435is( "$@", "", "-l _ ok after lstat" );
436
5c9aa243 437SKIP: {
049f818b 438 skip "No lstat", 2 unless $Config{d_lstat};
5c9aa243 439
5c9aa243
RGS
440 # bug id 20020124.004
441 # If we have d_lstat, we should have symlink()
442 my $linkname = 'dolzero';
443 symlink $0, $linkname or die "# Can't symlink $0: $!";
444 lstat $linkname;
445 -T _;
446 eval { lstat _ };
3db621ff 447 like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
5c9aa243
RGS
448 'lstat croaks after -T _' );
449 eval { -l _ };
3db621ff 450 like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
5c9aa243
RGS
451 '-l _ croaks after -T _' );
452 unlink $linkname or print "# unlink $linkname failed: $!\n";
453}
98a392ec 454
a80d47c2
IZ
455print "# Zzz...\n";
456sleep(3);
457my $f = 'tstamp.tmp';
458unlink $f;
459ok (open(S, "> $f"), 'can create tmp file');
460close S or die;
461my @a = stat $f;
462print "# time=$^T, stat=(@a)\n";
463my @b = (-M _, -A _, -C _);
464print "# -MAC=(@b)\n";
465ok( (-M _) < 0, 'negative -M works');
466ok( (-A _) < 0, 'negative -A works');
467ok( (-C _) < 0, 'negative -C works');
468ok(unlink($f), 'unlink tmp file');
469
25988e07
NE
470{
471 ok(open(F, ">", $tmpfile), 'can create temp file');
472 close F;
473 chmod 0077, $tmpfile;
474 my @a = stat($tmpfile);
475 my $s1 = -s _;
476 -T _;
477 my $s2 = -s _;
478 is($s1, $s2, q(-T _ doesn't break the statbuffer));
8ca3c3a5 479 unlink $tmpfile;
25988e07
NE
480}
481
5228a96c
SP
482SKIP: {
483 skip "No dirfd()", 2 unless $Config{d_dirfd};
484 opendir my $dir, "." or die 'Unable to opendir ".": $!';
485 ok(stat($dir), "stat() on dirhandle works");
486 ok(-d -r _ , "chained -x's on dirhandle");
487}
488
98a392ec
CB
489END {
490 1 while unlink $tmpfile;
491}