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Fix winsystem.t's attempt to build showav.exe to work
[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
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51SKIP: {
52 skip "mtime and ctime not reliable", 2
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
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 $Is_Amiga;
98
99 if( !ok($mtime, 'hard link mtime') ||
100 !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
101 print <<DIAG;
102# Check if you are on a tmpfs of some sort. Building in /tmp sometimes
103# has this problem. Also building on the ClearCase VOBS filesystem may
104# cause this failure.
105DIAG
106 }
107 }
108
3fe9a6f1 109}
8d063cd8 110
cc25fa79 111# truncate and touch $tmpfile.
c4fbe247 112open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
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113close F;
114
115ok(-z $tmpfile, '-z on empty file');
116ok(! -s $tmpfile, ' and -s');
117
c4fbe247 118open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
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119print F "hi\n";
120close F;
121
122ok(! -z $tmpfile, '-z on non-empty file');
123ok(-s $tmpfile, ' and -s');
124
125
126# Strip all access rights from the file.
127ok( chmod(0000, $tmpfile), 'chmod 0000' );
128
129SKIP: {
de5a37b2 130 skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
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131
132 SKIP: {
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133 # Going to try to switch away from root. Might not work.
134 my $olduid = $>;
135 eval { $> = 1; };
136 skip "Can't test -r or -w meaningfully if you're superuser", 2
137 if $> == 0;
138
139 SKIP: {
140 skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin;
141 ok(!-r $tmpfile, " -r");
142 }
cc25fa79 143
de5a37b2 144 ok(!-w $tmpfile, " -w");
cc25fa79 145
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146 # switch uid back (may not be implemented)
147 eval { $> = $olduid; };
148 }
149
150 ok(! -x $tmpfile, ' -x');
a245ea2d 151}
cc25fa79 152
de5a37b2 153
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154
155
156# in ms windows, $tmpfile inherits owner uid from directory
157# not sure about os/2, but chown is harmless anyway
158eval { chown $>,$tmpfile; 1 } or print "# $@" ;
159
160ok(chmod(0700,$tmpfile), 'chmod 0700');
161ok(-r $tmpfile, ' -r');
162ok(-w $tmpfile, ' -w');
163
164SKIP: {
165 skip "-x simply determins if a file ends in an executable suffix", 1
166 if $Is_Dosish;
167
168 ok(-x $tmpfile, ' -x');
6eb13c3b 169}
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170
171ok( -f $tmpfile, ' -f');
172ok(! -d $tmpfile, ' !-d');
173
174# Is this portable?
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175ok( -d $Curdir, '-d cwd' );
176ok(! -f $Curdir, '!-f cwd' );
177
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178
179SKIP: {
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180 unlink($tmpfile_link);
181 my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
182 skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
cc25fa79 183
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184 is( $@, '', 'symlink() implemented' );
185 ok( $symlink_rslt, 'symlink() ok' );
186 ok(-l $tmpfile_link, '-l');
6eb13c3b 187}
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188
189ok(-o $tmpfile, '-o');
190
191ok(-e $tmpfile, '-e');
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192
193unlink($tmpfile_link);
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194ok(! -e $tmpfile_link, ' -e on unlinked file');
195
196SKIP: {
a7ec4029 197 skip "No character, socket or block special files", 3
cc25fa79 198 if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
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199 skip "/dev isn't available to test against", 3
200 unless -d '/dev' && -r '/dev' && -x '/dev';
de5a37b2 201
a7ec4029 202 my $LS = $Config{d_readlink} ? "ls -lL" : "ls -l";
eb1102fc 203 my $CMD = "$LS /dev 2>/dev/null";
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204 my $DEV = qx($CMD);
205
206 skip "$CMD failed", 3 if $DEV eq '';
207
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208 my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
209
210 skip "opendir failed: $!", 3 if @DEV == 0;
211
9aa9a1a6 212 # /dev/stdout might be either character special or a named pipe,
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213 # or a symlink, or a socket, depending on which OS and how are
214 # you running the test, so let's censor that one away.
215 $DEV =~ s{^[cpls].+?\sstdout$}{}m;
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216 @DEV = grep { $_ ne 'stdout' } @DEV;
217
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218 # /dev/printer is also naughty: in IRIX it shows up as
219 # Srwx-----, not srwx------.
220 $DEV =~ s{^.+?\sprinter$}{}m;
221 @DEV = grep { $_ ne 'printer' } @DEV;
222
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223 # If running as root, we will see .files in the ls result,
224 # and readdir() will see them always. Potential for conflict,
225 # so let's weed them out.
226 $DEV =~ s{^.+?\s\..+?$}{}m;
227 @DEV = grep { ! m{^\..+$} } @DEV;
9aa9a1a6 228
3fcc9fea 229 my $try = sub {
9f966f7a 230 my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg];
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231 my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
232 my $c1 = scalar @c1;
233 my $c2 = scalar @c2;
9aa9a1a6 234 is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
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235 };
236
237 $try->('b', '-b');
238 $try->('c', '-c');
239 $try->('s', '-S');
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240}
241
3fcc9fea 242ok(! -b $Curdir, '!-b cwd');
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243ok(! -c $Curdir, '!-c cwd');
244ok(! -S $Curdir, '!-S cwd');
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245
246SKIP: {
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247 my($cnt, $uid);
248 $cnt = $uid = 0;
249
250 # Find a set of directories that's very likely to have setuid files
251 # but not likely to be *all* setuid files.
252 my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
de5a37b2 253 skip "Can't find a setuid file to test with", 3 unless @bin;
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254
255 for my $bin (@bin) {
256 opendir BIN, $bin or die "Can't opendir $bin: $!";
257 while (defined($_ = readdir BIN)) {
258 $_ = "$bin/$_";
259 $cnt++;
260 $uid++ if -u;
261 last if $uid && $uid < $cnt;
262 }
263 }
264 closedir BIN;
265
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266 skip "No setuid programs", 3 if $uid == 0;
267
268 isnt($cnt, 0, 'found some programs');
269 isnt($uid, 0, ' found some setuid programs');
270 ok($uid < $cnt, " they're not all setuid");
378cc40b 271}
b8440792 272
378cc40b 273
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274# To assist in automated testing when a controlling terminal (/dev/tty)
275# may not be available (at, cron rsh etc), the PERL_SKIP_TTY_TEST env var
276# can be set to skip the tests that need a tty.
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277SKIP: {
278 skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
279
280 my $TTY = $^O eq 'rhapsody' ? "/dev/ttyp0" : "/dev/tty";
281
282 SKIP: {
283 skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare;
284 skip "No TTY to test -t with", 2 unless -e $TTY;
285
286 open(TTY, $TTY) ||
287 warn "Can't open $TTY--run t/TEST outside of make.\n";
288 ok(-t TTY, '-t');
289 ok(-c TTY, 'tty is -c');
290 close(TTY);
3e3baf6d 291 }
cc25fa79 292 ok(! -t TTY, '!-t on closed TTY filehandle');
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293
294 {
295 local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
296 ok(-t, '-t on STDIN');
297 }
68dc0745 298}
cc25fa79 299
de5a37b2 300my $Null = File::Spec->devnull;
cc25fa79 301SKIP: {
de5a37b2 302 skip "No null device to test with", 1 unless -e $Null;
cc25fa79 303
c4fbe247 304 open(NULL, $Null) or DIE("Can't open $Null: $!");
de5a37b2 305 ok(! -t NULL, 'null device is not a TTY');
cc25fa79 306 close(NULL);
378cc40b 307}
cc25fa79 308
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309
310# These aren't strictly "stat" calls, but so what?
311
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312ok(-T 'op/stat.t', '-T');
313ok(! -B 'op/stat.t', '!-B');
378cc40b 314
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315ok(-B $Perl, '-B');
316ok(! -T $Perl, '!-T');
378cc40b 317
f0fcb552 318open(FOO,'op/stat.t');
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319SKIP: {
320 eval { -T FOO; };
de5a37b2 321 skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
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322
323 is( $@, '', '-T on filehandle causes no errors' );
324
325 ok(-T FOO, ' -T');
326 ok(! -B FOO, ' !-B');
327
f0fcb552 328 $_ = <FOO>;
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329 ok(/perl/, 'after readline');
330 ok(-T FOO, ' still -T');
331 ok(! -B FOO, ' still -B');
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332 close(FOO);
333
334 open(FOO,'op/stat.t');
335 $_ = <FOO>;
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336 ok(/perl/, 'reopened and after readline');
337 ok(-T FOO, ' still -T');
338 ok(! -B FOO, ' still !-B');
339
340 ok(seek(FOO,0,0), 'after seek');
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341 ok(-T FOO, ' still -T');
342 ok(! -B FOO, ' still !-B');
343
344 # It's documented this way in perlfunc *shrug*
345 () = <FOO>;
346 ok(eof FOO, 'at EOF');
347 ok(-T FOO, ' still -T');
348 ok(-B FOO, ' now -B');
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349}
350close(FOO);
378cc40b 351
cc25fa79 352
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353SKIP: {
354 skip "No null device to test with", 2 unless -e $Null;
355
356 ok(-T $Null, 'null device is -T');
357 ok(-B $Null, ' and -B');
358}
cc25fa79 359
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360
361# and now, a few parsing tests:
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362$_ = $tmpfile;
363ok(-f, 'bare -f uses $_');
364ok(-f(), ' -f() "');
108ed793 365
cc25fa79 366unlink $tmpfile or print "# unlink failed: $!\n";
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367
368# bug id 20011101.069
369my @r = \stat(".");
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370is(scalar @r, 13, 'stat returns full 13 elements');
371