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[perl5.git] / t / op / stat.t
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1#!./perl
2
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3BEGIN {
4 chdir 't' if -d 't';
20822f61 5 @INC = '../lib';
2bc69dc4 6 require './test.pl'; # for which_perl() etc
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7}
8
9use Config;
de5a37b2 10use File::Spec;
ea368a7c 11
a7ec4029 12plan tests => 69;
8d063cd8 13
2bc69dc4 14my $Perl = which_perl();
b5fe401b 15
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16$Is_Amiga = $^O eq 'amigaos';
17$Is_Cygwin = $^O eq 'cygwin';
18$Is_Dos = $^O eq 'dos';
19$Is_MPE = $^O eq 'mpeix';
68dc0745 20$Is_MSWin32 = $^O eq 'MSWin32';
2986a63f 21$Is_NetWare = $^O eq 'NetWare';
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22$Is_OS2 = $^O eq 'os2';
23$Is_Solaris = $^O eq 'solaris';
de5a37b2 24$Is_VMS = $^O eq 'VMS';
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25
26$Is_Dosish = $Is_Dos || $Is_OS2 || $Is_MSWin32 || $Is_NetWare || $Is_Cygwin;
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27
28my($DEV, $INO, $MODE, $NLINK, $UID, $GID, $RDEV, $SIZE,
29 $ATIME, $MTIME, $CTIME, $BLKSIZE, $BLOCKS) = (0..12);
d48672a2 30
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31my $Curdir = File::Spec->curdir;
32
4435c477 33
de5a37b2 34my $tmpfile = 'Op_stat.tmp';
cc25fa79 35my $tmpfile_link = $tmpfile.'2';
4435c477 36
8d220878 37
cc25fa79 38unlink $tmpfile;
c4fbe247 39open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
de5a37b2 40close FOO;
8d220878 41
c4fbe247 42open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
4435c477 43
cc25fa79 44my($nlink, $mtime, $ctime) = (stat(FOO))[$NLINK, $MTIME, $CTIME];
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45SKIP: {
46 skip "No link count", 1 if $Is_VMS;
47
48 is($nlink, 1, 'nlink on regular file');
49}
8d220878 50
cc25fa79 51SKIP: {
d5b53b20 52 skip "mtime and ctime not reliable", 2
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53 if $Is_MSWin32 or $Is_NetWare or $Is_Cygwin or $Is_Dos;
54
55 ok( $mtime, 'mtime' );
56 is( $mtime, $ctime, 'mtime == ctime' );
4435c477 57}
8d063cd8 58
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59
60# Cygwin seems to have a 3 second granularity on its timestamps.
61my $funky_FAT_timestamps = $Is_Cygwin;
62sleep 3 if $funky_FAT_timestamps;
63
64print FOO "Now is the time for all good men to come to.\n";
65close(FOO);
66
67sleep 2 unless $funky_FAT_timestamps;
68
69
70SKIP: {
71 unlink $tmpfile_link;
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72 my $lnk_result = eval { link $tmpfile, $tmpfile_link };
73 skip "link() unimplemented", 6 if $@ =~ /unimplemented/;
cc25fa79 74
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75 is( $@, '', 'link() implemented' );
76 ok( $lnk_result, 'linked tmp testfile' );
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77 ok( chmod(0644, $tmpfile), 'chmoded tmp testfile' );
78
79 my($nlink, $mtime, $ctime) = (stat($tmpfile))[$NLINK, $MTIME, $CTIME];
80
81 SKIP: {
82 skip "No link count", 1 if $Config{dont_use_nlink};
f672c027 83 skip "Cygwin9X fakes hard links by copying", 1
7d38e28d 84 if $Config{myuname} =~ /^cygwin_(?:9\d|me)\b/i;
f672c027 85
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86 is($nlink, 2, 'Link count on hard linked file' );
87 }
88
89 SKIP: {
de5a37b2 90 my $cwd = File::Spec->rel2abs($Curdir);
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91 skip "Solaris tmpfs has different mtime/ctime link semantics", 2
92 if $Is_Solaris and $cwd =~ m#^/tmp# and
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93 $mtime && $mtime == $ctime;
94 skip "AFS has different mtime/ctime link semantics", 2
95 if $cwd =~ m#$Config{'afsroot'}/#;
96 skip "AmigaOS has different mtime/ctime link semantics", 2
97 if $Is_Amiga;
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98 # Win32 could pass $mtime test but as FAT and NTFS have
99 # no ctime concept $ctime is ALWAYS == $mtime
100 # expect netware to be the same ...
101 skip "No ctime concept on this OS", 2
102 if $Is_MSWin32;
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103 if( !ok($mtime, 'hard link mtime') ||
104 !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
105 print <<DIAG;
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106# Check if you are on a tmpfs of some sort. Building in /tmp sometimes
107# has this problem. Also building on the ClearCase VOBS filesystem may
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108# cause this failure.
109DIAG
110 }
111 }
112
3fe9a6f1 113}
8d063cd8 114
cc25fa79 115# truncate and touch $tmpfile.
c4fbe247 116open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
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117close F;
118
119ok(-z $tmpfile, '-z on empty file');
120ok(! -s $tmpfile, ' and -s');
121
c4fbe247 122open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
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123print F "hi\n";
124close F;
125
126ok(! -z $tmpfile, '-z on non-empty file');
127ok(-s $tmpfile, ' and -s');
128
129
130# Strip all access rights from the file.
131ok( chmod(0000, $tmpfile), 'chmod 0000' );
132
133SKIP: {
de5a37b2 134 skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
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135
136 SKIP: {
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137 # Going to try to switch away from root. Might not work.
138 my $olduid = $>;
139 eval { $> = 1; };
d5b53b20 140 skip "Can't test -r or -w meaningfully if you're superuser", 2
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141 if $> == 0;
142
143 SKIP: {
144 skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin;
145 ok(!-r $tmpfile, " -r");
146 }
cc25fa79 147
de5a37b2 148 ok(!-w $tmpfile, " -w");
cc25fa79 149
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150 # switch uid back (may not be implemented)
151 eval { $> = $olduid; };
152 }
153
154 ok(! -x $tmpfile, ' -x');
a245ea2d 155}
cc25fa79 156
de5a37b2 157
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158
159
160# in ms windows, $tmpfile inherits owner uid from directory
161# not sure about os/2, but chown is harmless anyway
162eval { chown $>,$tmpfile; 1 } or print "# $@" ;
163
164ok(chmod(0700,$tmpfile), 'chmod 0700');
165ok(-r $tmpfile, ' -r');
166ok(-w $tmpfile, ' -w');
167
168SKIP: {
169 skip "-x simply determins if a file ends in an executable suffix", 1
170 if $Is_Dosish;
171
172 ok(-x $tmpfile, ' -x');
6eb13c3b 173}
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174
175ok( -f $tmpfile, ' -f');
176ok(! -d $tmpfile, ' !-d');
177
178# Is this portable?
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179ok( -d $Curdir, '-d cwd' );
180ok(! -f $Curdir, '!-f cwd' );
181
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182
183SKIP: {
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184 unlink($tmpfile_link);
185 my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
186 skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
cc25fa79 187
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188 is( $@, '', 'symlink() implemented' );
189 ok( $symlink_rslt, 'symlink() ok' );
190 ok(-l $tmpfile_link, '-l');
6eb13c3b 191}
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192
193ok(-o $tmpfile, '-o');
194
195ok(-e $tmpfile, '-e');
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196
197unlink($tmpfile_link);
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198ok(! -e $tmpfile_link, ' -e on unlinked file');
199
200SKIP: {
a7ec4029 201 skip "No character, socket or block special files", 3
cc25fa79 202 if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
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203 skip "/dev isn't available to test against", 3
204 unless -d '/dev' && -r '/dev' && -x '/dev';
de5a37b2 205
d5b53b20 206 my $LS = $Config{d_readlink} ? "ls -lL" : "ls -l";
eb1102fc 207 my $CMD = "$LS /dev 2>/dev/null";
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208 my $DEV = qx($CMD);
209
210 skip "$CMD failed", 3 if $DEV eq '';
211
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212 my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
213
214 skip "opendir failed: $!", 3 if @DEV == 0;
215
9aa9a1a6 216 # /dev/stdout might be either character special or a named pipe,
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217 # or a symlink, or a socket, depending on which OS and how are
218 # you running the test, so let's censor that one away.
6320a86a 219 # Similar remarks hold for stderr.
db8ab41e 220 $DEV =~ s{^[cpls].+?\sstdout$}{}m;
267513dc 221 @DEV = grep { $_ ne 'stdout' } @DEV;
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222 $DEV =~ s{^[cpls].+?\sstderr$}{}m;
223 @DEV = grep { $_ ne 'stderr' } @DEV;
267513dc 224
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225 # /dev/printer is also naughty: in IRIX it shows up as
226 # Srwx-----, not srwx------.
227 $DEV =~ s{^.+?\sprinter$}{}m;
228 @DEV = grep { $_ ne 'printer' } @DEV;
229
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230 # If running as root, we will see .files in the ls result,
231 # and readdir() will see them always. Potential for conflict,
232 # so let's weed them out.
233 $DEV =~ s{^.+?\s\..+?$}{}m;
234 @DEV = grep { ! m{^\..+$} } @DEV;
9aa9a1a6 235
3fcc9fea 236 my $try = sub {
9f966f7a 237 my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg];
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238 my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
239 my $c1 = scalar @c1;
240 my $c2 = scalar @c2;
9aa9a1a6 241 is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
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242 };
243
244 $try->('b', '-b');
245 $try->('c', '-c');
246 $try->('s', '-S');
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247}
248
3fcc9fea 249ok(! -b $Curdir, '!-b cwd');
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250ok(! -c $Curdir, '!-c cwd');
251ok(! -S $Curdir, '!-S cwd');
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252
253SKIP: {
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254 my($cnt, $uid);
255 $cnt = $uid = 0;
256
257 # Find a set of directories that's very likely to have setuid files
258 # but not likely to be *all* setuid files.
259 my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
de5a37b2 260 skip "Can't find a setuid file to test with", 3 unless @bin;
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261
262 for my $bin (@bin) {
263 opendir BIN, $bin or die "Can't opendir $bin: $!";
264 while (defined($_ = readdir BIN)) {
265 $_ = "$bin/$_";
266 $cnt++;
267 $uid++ if -u;
268 last if $uid && $uid < $cnt;
269 }
270 }
271 closedir BIN;
272
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273 skip "No setuid programs", 3 if $uid == 0;
274
275 isnt($cnt, 0, 'found some programs');
276 isnt($uid, 0, ' found some setuid programs');
277 ok($uid < $cnt, " they're not all setuid");
378cc40b 278}
b8440792 279
378cc40b 280
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281# To assist in automated testing when a controlling terminal (/dev/tty)
282# may not be available (at, cron rsh etc), the PERL_SKIP_TTY_TEST env var
283# can be set to skip the tests that need a tty.
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284SKIP: {
285 skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
286
287 my $TTY = $^O eq 'rhapsody' ? "/dev/ttyp0" : "/dev/tty";
288
289 SKIP: {
290 skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare;
291 skip "No TTY to test -t with", 2 unless -e $TTY;
292
d5b53b20 293 open(TTY, $TTY) ||
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294 warn "Can't open $TTY--run t/TEST outside of make.\n";
295 ok(-t TTY, '-t');
296 ok(-c TTY, 'tty is -c');
297 close(TTY);
3e3baf6d 298 }
cc25fa79 299 ok(! -t TTY, '!-t on closed TTY filehandle');
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300
301 {
302 local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
303 ok(-t, '-t on STDIN');
304 }
68dc0745 305}
cc25fa79 306
de5a37b2 307my $Null = File::Spec->devnull;
cc25fa79 308SKIP: {
de5a37b2 309 skip "No null device to test with", 1 unless -e $Null;
d5b53b20 310 skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32;
cc25fa79 311
c4fbe247 312 open(NULL, $Null) or DIE("Can't open $Null: $!");
de5a37b2 313 ok(! -t NULL, 'null device is not a TTY');
cc25fa79 314 close(NULL);
378cc40b 315}
cc25fa79 316
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317
318# These aren't strictly "stat" calls, but so what?
319
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320ok(-T 'op/stat.t', '-T');
321ok(! -B 'op/stat.t', '!-B');
378cc40b 322
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323ok(-B $Perl, '-B');
324ok(! -T $Perl, '!-T');
378cc40b 325
f0fcb552 326open(FOO,'op/stat.t');
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327SKIP: {
328 eval { -T FOO; };
de5a37b2 329 skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
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330
331 is( $@, '', '-T on filehandle causes no errors' );
332
333 ok(-T FOO, ' -T');
334 ok(! -B FOO, ' !-B');
335
f0fcb552 336 $_ = <FOO>;
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337 ok(/perl/, 'after readline');
338 ok(-T FOO, ' still -T');
339 ok(! -B FOO, ' still -B');
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340 close(FOO);
341
342 open(FOO,'op/stat.t');
343 $_ = <FOO>;
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344 ok(/perl/, 'reopened and after readline');
345 ok(-T FOO, ' still -T');
346 ok(! -B FOO, ' still !-B');
347
348 ok(seek(FOO,0,0), 'after seek');
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349 ok(-T FOO, ' still -T');
350 ok(! -B FOO, ' still !-B');
351
352 # It's documented this way in perlfunc *shrug*
353 () = <FOO>;
354 ok(eof FOO, 'at EOF');
355 ok(-T FOO, ' still -T');
356 ok(-B FOO, ' now -B');
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357}
358close(FOO);
378cc40b 359
cc25fa79 360
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361SKIP: {
362 skip "No null device to test with", 2 unless -e $Null;
363
364 ok(-T $Null, 'null device is -T');
365 ok(-B $Null, ' and -B');
366}
cc25fa79 367
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368
369# and now, a few parsing tests:
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370$_ = $tmpfile;
371ok(-f, 'bare -f uses $_');
372ok(-f(), ' -f() "');
108ed793 373
cc25fa79 374unlink $tmpfile or print "# unlink failed: $!\n";
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375
376# bug id 20011101.069
377my @r = \stat(".");
cc25fa79 378is(scalar @r, 13, 'stat returns full 13 elements');