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Declaring -t STDIN w/pipe TODO
[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';
cc25fa79 6 require './test.pl';
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7}
8
9use Config;
de5a37b2 10use File::Spec;
ea368a7c 11
a7ec4029 12plan tests => 69;
8d063cd8 13
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14my $Perl = which_perl;
15
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16$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
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38unlink $tmpfile;
39open(FOO, ">$tmpfile") || BAILOUT("Can't open temp test file: $!");
de5a37b2 40close FOO;
8d220878 41
de5a37b2 42open(FOO, ">$tmpfile") || BAILOUT("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 $Config{dont_use_nlink};
83 is($nlink, 2, 'Link count on hard linked file' );
84 }
85
86 SKIP: {
de5a37b2 87 my $cwd = File::Spec->rel2abs($Curdir);
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88 skip "Solaris tmpfs has different mtime/ctime link semantics", 2
89 if $Is_Solaris and $cwd =~ m#^/tmp# and
90 $mtime && $mtime == $ctime;
91 skip "AFS has different mtime/ctime link semantics", 2
92 if $cwd =~ m#$Config{'afsroot'}/#;
93 skip "AmigaOS has different mtime/ctime link semantics", 2
94 if $Is_Amiga;
95
96 if( !ok($mtime, 'hard link mtime') ||
97 !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
98 print <<DIAG;
99# Check if you are on a tmpfs of some sort. Building in /tmp sometimes
100# has this problem. Also building on the ClearCase VOBS filesystem may
101# cause this failure.
102DIAG
103 }
104 }
105
3fe9a6f1 106}
8d063cd8 107
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108# truncate and touch $tmpfile.
109open(F, ">$tmpfile") || BAILOUT("Can't open temp test file: $!");
110close F;
111
112ok(-z $tmpfile, '-z on empty file');
113ok(! -s $tmpfile, ' and -s');
114
115open(F, ">$tmpfile") || BAILOUT("Can't open temp test file: $!");
116print F "hi\n";
117close F;
118
119ok(! -z $tmpfile, '-z on non-empty file');
120ok(-s $tmpfile, ' and -s');
121
122
123# Strip all access rights from the file.
124ok( chmod(0000, $tmpfile), 'chmod 0000' );
125
126SKIP: {
de5a37b2 127 skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
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128
129 SKIP: {
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130 # Going to try to switch away from root. Might not work.
131 my $olduid = $>;
132 eval { $> = 1; };
133 skip "Can't test -r or -w meaningfully if you're superuser", 2
134 if $> == 0;
135
136 SKIP: {
137 skip "Can't test -r meaningfully?", 1 if $Is_Dos || $Is_Cygwin;
138 ok(!-r $tmpfile, " -r");
139 }
cc25fa79 140
de5a37b2 141 ok(!-w $tmpfile, " -w");
cc25fa79 142
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143 # switch uid back (may not be implemented)
144 eval { $> = $olduid; };
145 }
146
147 ok(! -x $tmpfile, ' -x');
a245ea2d 148}
cc25fa79 149
de5a37b2 150
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151
152
153# in ms windows, $tmpfile inherits owner uid from directory
154# not sure about os/2, but chown is harmless anyway
155eval { chown $>,$tmpfile; 1 } or print "# $@" ;
156
157ok(chmod(0700,$tmpfile), 'chmod 0700');
158ok(-r $tmpfile, ' -r');
159ok(-w $tmpfile, ' -w');
160
161SKIP: {
162 skip "-x simply determins if a file ends in an executable suffix", 1
163 if $Is_Dosish;
164
165 ok(-x $tmpfile, ' -x');
6eb13c3b 166}
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167
168ok( -f $tmpfile, ' -f');
169ok(! -d $tmpfile, ' !-d');
170
171# Is this portable?
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172ok( -d $Curdir, '-d cwd' );
173ok(! -f $Curdir, '!-f cwd' );
174
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175
176SKIP: {
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177 unlink($tmpfile_link);
178 my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
179 skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
cc25fa79 180
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181 is( $@, '', 'symlink() implemented' );
182 ok( $symlink_rslt, 'symlink() ok' );
183 ok(-l $tmpfile_link, '-l');
6eb13c3b 184}
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185
186ok(-o $tmpfile, '-o');
187
188ok(-e $tmpfile, '-e');
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189
190unlink($tmpfile_link);
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191ok(! -e $tmpfile_link, ' -e on unlinked file');
192
193SKIP: {
a7ec4029 194 skip "No character, socket or block special files", 3
cc25fa79 195 if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
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196 skip "/dev isn't available to test against", 3
197 unless -d '/dev' && -r '/dev' && -x '/dev';
de5a37b2 198
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199 my $LS = $Config{d_readlink} ? "ls -lL" : "ls -l";
200 my $CMD = "$LS /dev";
201 my $DEV = qx($CMD);
202
203 skip "$CMD failed", 3 if $DEV eq '';
204
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205 my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
206
207 skip "opendir failed: $!", 3 if @DEV == 0;
208
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209 # /dev/stdout might be either character special or a named pipe,
210 # depending on which OS and how are you running the test, so let's
211 # censor that one away.
212 $DEV =~ s{^[cp].+?\bstdout$}{}m;
213 @DEV = grep { ! m{\bstdout$} } @DEV;
214
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215 my $try = sub {
216 my @c1 = eval qq[\$DEV =~ /^$_[0]/mg];
217 my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
218 my $c1 = scalar @c1;
219 my $c2 = scalar @c2;
9aa9a1a6 220 is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
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221 };
222
223 $try->('b', '-b');
224 $try->('c', '-c');
225 $try->('s', '-S');
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226}
227
3fcc9fea 228ok(! -b $Curdir, '!-b cwd');
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229ok(! -c $Curdir, '!-c cwd');
230ok(! -S $Curdir, '!-S cwd');
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231
232SKIP: {
de5a37b2 233 skip "No setuid", 3 if $Is_MPE or $Is_Amiga or $Is_Dosish or $Is_Cygwin;
b971f6e4 234
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235 my($cnt, $uid);
236 $cnt = $uid = 0;
237
238 # Find a set of directories that's very likely to have setuid files
239 # but not likely to be *all* setuid files.
240 my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
de5a37b2 241 skip "Can't find a setuid file to test with", 3 unless @bin;
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242
243 for my $bin (@bin) {
244 opendir BIN, $bin or die "Can't opendir $bin: $!";
245 while (defined($_ = readdir BIN)) {
246 $_ = "$bin/$_";
247 $cnt++;
248 $uid++ if -u;
249 last if $uid && $uid < $cnt;
250 }
251 }
252 closedir BIN;
253
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254 if( !isnt($cnt, 0, 'found some programs') ||
255 !isnt($uid, 0, 'found some setuid programs') ||
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256 !ok($uid < $cnt, " they're not all setuid") )
257 {
258 print <<DIAG;
259# The above two tests assume that at least one of these directories
260# are readable, executable and contain at least one setuid file
261# (but aren't all setuid).
262# @bin
263DIAG
218d7377 264 }
378cc40b 265}
b8440792 266
378cc40b 267
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268# To assist in automated testing when a controlling terminal (/dev/tty)
269# may not be available (at, cron rsh etc), the PERL_SKIP_TTY_TEST env var
270# can be set to skip the tests that need a tty.
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271SKIP: {
272 skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
273
274 my $TTY = $^O eq 'rhapsody' ? "/dev/ttyp0" : "/dev/tty";
275
276 SKIP: {
277 skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare;
278 skip "No TTY to test -t with", 2 unless -e $TTY;
279
280 open(TTY, $TTY) ||
281 warn "Can't open $TTY--run t/TEST outside of make.\n";
282 ok(-t TTY, '-t');
283 ok(-c TTY, 'tty is -c');
284 close(TTY);
3e3baf6d 285 }
cc25fa79 286 ok(! -t TTY, '!-t on closed TTY filehandle');
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287
288 {
289 local $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
290 ok(-t, '-t on STDIN');
291 }
68dc0745 292}
cc25fa79 293
de5a37b2 294my $Null = File::Spec->devnull;
cc25fa79 295SKIP: {
de5a37b2 296 skip "No null device to test with", 1 unless -e $Null;
cc25fa79 297
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298 open(NULL, $Null) or BAIL_OUT("Can't open $Null: $!");
299 ok(! -t NULL, 'null device is not a TTY');
cc25fa79 300 close(NULL);
378cc40b 301}
cc25fa79 302
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303
304# These aren't strictly "stat" calls, but so what?
305
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306ok(-T 'op/stat.t', '-T');
307ok(! -B 'op/stat.t', '!-B');
378cc40b 308
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309ok(-B $Perl, '-B');
310ok(! -T $Perl, '!-T');
378cc40b 311
f0fcb552 312open(FOO,'op/stat.t');
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313SKIP: {
314 eval { -T FOO; };
de5a37b2 315 skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
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316
317 is( $@, '', '-T on filehandle causes no errors' );
318
319 ok(-T FOO, ' -T');
320 ok(! -B FOO, ' !-B');
321
f0fcb552 322 $_ = <FOO>;
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323 ok(/perl/, 'after readline');
324 ok(-T FOO, ' still -T');
325 ok(! -B FOO, ' still -B');
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326 close(FOO);
327
328 open(FOO,'op/stat.t');
329 $_ = <FOO>;
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330 ok(/perl/, 'reopened and after readline');
331 ok(-T FOO, ' still -T');
332 ok(! -B FOO, ' still !-B');
333
334 ok(seek(FOO,0,0), 'after seek');
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335 ok(-T FOO, ' still -T');
336 ok(! -B FOO, ' still !-B');
337
338 # It's documented this way in perlfunc *shrug*
339 () = <FOO>;
340 ok(eof FOO, 'at EOF');
341 ok(-T FOO, ' still -T');
342 ok(-B FOO, ' now -B');
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343}
344close(FOO);
378cc40b 345
cc25fa79 346
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347SKIP: {
348 skip "No null device to test with", 2 unless -e $Null;
349
350 ok(-T $Null, 'null device is -T');
351 ok(-B $Null, ' and -B');
352}
cc25fa79 353
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354
355# and now, a few parsing tests:
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356$_ = $tmpfile;
357ok(-f, 'bare -f uses $_');
358ok(-f(), ' -f() "');
108ed793 359
cc25fa79 360unlink $tmpfile or print "# unlink failed: $!\n";
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361
362# bug id 20011101.069
363my @r = \stat(".");
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364is(scalar @r, 13, 'stat returns full 13 elements');
365