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Re: fchmod, fchown, fchdir
[perl5.git] / t / io / fs.t
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1#!./perl
2
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3BEGIN {
4 chdir 't' if -d 't';
20822f61 5 @INC = '../lib';
0c5d4ba3 6 require "./test.pl";
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7}
8
9use Config;
dc459aad 10use File::Spec::Functions;
ea368a7c 11
dc459aad 12my $Is_MacOS = ($^O eq 'MacOS');
6d738113 13my $Is_VMSish = ($^O eq 'VMS');
0c5d4ba3 14
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15if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
16 $wd = `cd`;
17} elsif ($^O eq 'VMS') {
18 $wd = `show default`;
19} else {
20 $wd = `pwd`;
21}
22chomp($wd);
23
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24my $has_link = $Config{d_link};
25my $accurate_timestamps =
26 !($^O eq 'MSWin32' || $^O eq 'NetWare' ||
27 $^O eq 'dos' || $^O eq 'os2' ||
20dd405c 28 $^O eq 'mint' || $^O eq 'cygwin' ||
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29 $^O eq 'amigaos' || $wd =~ m#$Config{afsroot}/# ||
30 $Is_MacOS
20dd405c 31 );
39e571d4 32
6b980173 33if (defined &Win32::IsWinNT && Win32::IsWinNT()) {
0c5d4ba3 34 if (Win32::FsType() eq 'NTFS') {
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35 $has_link = 1;
36 $accurate_timestamps = 1;
0c5d4ba3 37 }
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38}
39
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40my $needs_fh_reopen =
41 $^O eq 'dos'
42 # Not needed on HPFS, but needed on HPFS386 ?!
43 || $^O eq 'os2';
44
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45$needs_fh_reopen = 1 if (defined &Win32::IsWin95 && Win32::IsWin95());
46
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47my $skip_mode_checks =
48 $^O eq 'cygwin' && $ENV{CYGWIN} !~ /ntsec/;
49
c4aca7d0 50plan tests => 42;
8d063cd8 51
378cc40b 52
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53if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
54 `rmdir /s /q tmp 2>nul`;
55 `mkdir tmp`;
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56}
57elsif ($^O eq 'VMS') {
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58 `if f\$search("[.tmp]*.*") .nes. "" then delete/nolog/noconfirm [.tmp]*.*.*`;
59 `if f\$search("tmp.dir") .nes. "" then delete/nolog/noconfirm tmp.dir;`;
60 `create/directory [.tmp]`;
61}
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62elsif ($Is_MacOS) {
63 rmdir "tmp"; mkdir "tmp";
64}
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65else {
66 `rm -f tmp 2>/dev/null; mkdir tmp 2>/dev/null`;
67}
0c5d4ba3 68
dc459aad 69chdir catdir(curdir(), 'tmp');
0c5d4ba3 70
b8440792 71`/bin/rm -rf a b c x` if -x '/bin/rm';
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72
73umask(022);
74
20dd405c 75SKIP: {
dc459aad 76 skip "bogus umask", 1 if ($^O eq 'MSWin32') || ($^O eq 'NetWare') || ($^O eq 'epoc') || $Is_MacOS;
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77
78 is((umask(0)&0777), 022, 'umask'),
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79}
80
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81open(fh,'>x') || die "Can't create x";
82close(fh);
83open(fh,'>a') || die "Can't create a";
84close(fh);
85
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86my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
87 $blksize,$blocks);
88
3ed9f8f7 89SKIP: {
0c5d4ba3 90 skip("no link", 4) unless $has_link;
8d063cd8 91
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92 ok(link('a','b'), "link a b");
93 ok(link('b','c'), "link b c");
8d063cd8 94
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95 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
96 $blksize,$blocks) = stat('c');
8d063cd8 97
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98 SKIP: {
99 skip "no nlink", 1 if $Config{dont_use_nlink};
100
101 is($nlink, 3, "link count of triply-linked file");
0c5d4ba3 102 }
ea368a7c 103
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104 SKIP: {
105 skip "hard links not that hard in $^O", 1 if $^O eq 'amigaos';
4e51f8e4 106 skip "no mode checks", 1 if $skip_mode_checks;
20dd405c 107
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108# if ($^O eq 'cygwin') { # new files on cygwin get rwx instead of rw-
109# is($mode & 0777, 0777, "mode of triply-linked file");
110# } else {
4e51f8e4 111 is($mode & 0777, 0666, "mode of triply-linked file");
bbf171ae 112# }
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113 }
114}
8d063cd8 115
2986a63f 116$newmode = (($^O eq 'MSWin32') || ($^O eq 'NetWare')) ? 0444 : 0777;
8d063cd8 117
0c5d4ba3 118is(chmod($newmode,'a'), 1, "chmod succeeding");
8d063cd8 119
0c5d4ba3 120SKIP: {
2f3b333f 121 skip("no link", 7) unless $has_link;
0c5d4ba3 122
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123 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
124 $blksize,$blocks) = stat('c');
0c5d4ba3 125
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126 SKIP: {
127 skip "no mode checks", 1 if $skip_mode_checks;
128
129 is($mode & 0777, $newmode, "chmod going through");
130 }
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131
132 $newmode = 0700;
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133 chmod 0444, 'x';
134 $newmode = 0666;
6b980173 135
0c5d4ba3 136 is(chmod($newmode,'c','x'), 2, "chmod two files");
3ed9f8f7 137
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138 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
139 $blksize,$blocks) = stat('c');
8d063cd8 140
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141 SKIP: {
142 skip "no mode checks", 1 if $skip_mode_checks;
143
144 is($mode & 0777, $newmode, "chmod going through to c");
145 }
a245ea2d 146
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147 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
148 $blksize,$blocks) = stat('x');
8d063cd8 149
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150 SKIP: {
151 skip "no mode checks", 1 if $skip_mode_checks;
152
153 is($mode & 0777, $newmode, "chmod going through to x");
154 }
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155
156 is(unlink('b','x'), 2, "unlink two files");
157
158 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
159 $blksize,$blocks) = stat('b');
160
161 is($ino, undef, "ino of removed file b should be undef");
162
163 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
164 $blksize,$blocks) = stat('x');
165
166 is($ino, undef, "ino of removed file x should be undef");
8268670f 167}
0c5d4ba3 168
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169SKIP: {
170 skip "no fchmod", 5 unless ($Config{d_fchmod} || "") eq "define";
171 ok(open(my $fh, "<", "a"), "open a");
172 is(chmod(0, $fh), 1, "fchmod");
173 $mode = (stat "a")[2];
174 is($mode & 0777, 0, "perm reset");
175 is(chmod($newmode, "a"), 1, "fchmod");
176 $mode = (stat $fh)[2];
177 is($mode & 0777, $newmode, "perm restored");
178}
179
180SKIP: {
181 skip "no fchown", 1 unless ($Config{d_fchown} || "") eq "define";
182 open(my $fh, "<", "a");
183 is(chown(-1, -1, $fh), 1, "fchown");
184}
185
186SKIP: {
187 skip "has fchmod", 1 if ($Config{d_fchmod} || "") eq "define";
188 open(my $fh, "<", "a");
189 eval { chmod(0777, $fh); };
190 like($@, qr/^The fchmod function is unimplemented at/, "fchmod is unimplemented");
191}
192
193SKIP: {
194 skip "has fchown", 1 if ($Config{d_fchown} || "") eq "define";
195 open(my $fh, "<", "a");
196 eval { chown(0, 0, $fh); };
197 like($@, qr/^The fchown function is unimplemented at/, "fchown is unimplemented");
198}
199
8268670f 200is(rename('a','b'), 1, "rename a b");
0c5d4ba3 201
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202($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
203 $blksize,$blocks) = stat('a');
0c5d4ba3 204
8268670f 205is($ino, undef, "ino of renamed file a should be undef");
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206
207$delta = $accurate_timestamps ? 1 : 2; # Granularity of time on the filesystem
1d825fcc 208chmod 0777, 'b';
a245ea2d 209$foo = (utime 500000000,500000000 + $delta,'b');
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210
211is($foo, 1, "utime");
212
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213($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
214 $blksize,$blocks) = stat('b');
0c5d4ba3 215
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216SKIP: {
217 skip "bogus inode num", 1 if ($^O eq 'MSWin32') || ($^O eq 'NetWare');
218
219 ok($ino, 'non-zero inode num');
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220}
221
20dd405c 222SKIP: {
3ed9f8f7 223 skip "filesystem atime/mtime granularity too low", 2
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224 unless $accurate_timestamps;
225
226 print "# atime - $atime mtime - $mtime delta - $delta\n";
227 if($atime == 500000000 && $mtime == 500000000 + $delta) {
228 pass('atime');
229 pass('mtime');
0c5d4ba3 230 }
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231 else {
232 if ($^O =~ /\blinux\b/i) {
233 print "# Maybe stat() cannot get the correct atime, ".
234 "as happens via NFS on linux?\n";
235 $foo = (utime 400000000,500000000 + 2*$delta,'b');
236 my ($new_atime, $new_mtime) = (stat('b'))[8,9];
237 print "# newatime - $new_atime nemtime - $new_mtime\n";
238 if ($new_atime == $atime && $new_mtime - $mtime == $delta) {
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239 pass("atime - accounted for possible NFS/glibc2.2 bug on linux");
240 pass("mtime - accounted for possible NFS/glibc2.2 bug on linux");
241 }
20dd405c 242 else {
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243 fail("atime - $atime/$new_atime $mtime/$new_mtime");
244 fail("mtime - $atime/$new_atime $mtime/$new_mtime");
20dd405c 245 }
3ed9f8f7 246 }
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247 elsif ($^O eq 'VMS') {
248 # why is this 1 second off?
249 is( $atime, 500000001, 'atime' );
250 is( $mtime, 500000000 + $delta, 'mtime' );
3ed9f8f7 251 }
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252 elsif ($^O eq 'beos') {
253 SKIP: { skip "atime not updated", 1; }
254 is($mtime, 500000001, 'mtime');
3ed9f8f7 255 }
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256 else {
257 fail("atime");
258 fail("mtime");
259 }
0c5d4ba3 260 }
6d738113 261}
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262
263is(unlink('b'), 1, "unlink b");
264
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265($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
266 $blksize,$blocks) = stat('b');
0c5d4ba3 267is($ino, undef, "ino of unlinked file b should be undef");
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268unlink 'c';
269
270chdir $wd || die "Can't cd back to $wd";
271
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272# Yet another way to look for links (perhaps those that cannot be
273# created by perl?). Hopefully there is an ls utility in your
274# %PATH%. N.B. that $^O is 'cygwin' on Cygwin.
275
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276SKIP: {
277 skip "Win32/Netware specific test", 2
278 unless ($^O eq 'MSWin32') || ($^O eq 'NetWare');
3ed9f8f7 279 skip "No symbolic links found to test with", 2
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280 unless `ls -l perl 2>nul` =~ /^l.*->/;
281
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282 system("cp TEST TEST$$");
283 # we have to copy because e.g. GNU grep gets huffy if we have
284 # a symlink forest to another disk (it complains about too many
285 # levels of symbolic links, even if we have only two)
0c5d4ba3 286 is(symlink("TEST$$","c"), 1, "symlink");
4ba7095c 287 $foo = `grep perl c 2>&1`;
0c5d4ba3 288 ok($foo, "found perl in c");
44a8e56a 289 unlink 'c';
4ba7095c 290 unlink("TEST$$");
378cc40b 291}
f783569b 292
f783569b 293unlink "Iofs.tmp";
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294open IOFSCOM, ">Iofs.tmp" or die "Could not write IOfs.tmp: $!";
295print IOFSCOM 'helloworld';
296close(IOFSCOM);
297
298# TODO: pp_truncate needs to be taught about F_CHSIZE and F_FREESP,
299# as per UNIX FAQ.
300
301SKIP: {
63720136 302# Check truncating a closed file.
0c5d4ba3 303 eval { truncate "Iofs.tmp", 5; };
90ddc76f 304
090bf15b 305 skip("no truncate - $@", 8) if $@;
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306
307 is(-s "Iofs.tmp", 5, "truncation to five bytes");
308
309 truncate "Iofs.tmp", 0;
310
311 ok(-z "Iofs.tmp", "truncation to zero bytes");
312
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313#these steps are necessary to check if file is really truncated
314#On Win95, FH is updated, but file properties aren't
0c5d4ba3 315 open(FH, ">Iofs.tmp") or die "Can't create Iofs.tmp";
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316 print FH "x\n" x 200;
317 close FH;
318
63720136
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319# Check truncating an open file.
320 open(FH, ">>Iofs.tmp") or die "Can't open Iofs.tmp for appending";
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321
322 binmode FH;
323 select FH;
324 $| = 1;
325 select STDOUT;
326
327 {
328 use strict;
329 print FH "x\n" x 200;
330 ok(truncate(FH, 200), "fh resize to 200");
62b86938 331 }
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332
333 if ($needs_fh_reopen) {
334 close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
335 }
90ddc76f 336
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337 SKIP: {
338 if ($^O eq 'vos') {
339 skip ("# TODO - hit VOS bug posix-973 - cannot resize an open file below the current file pos.", 5);
340 }
0c5d4ba3 341
090bf15b 342 is(-s "Iofs.tmp", 200, "fh resize to 200 working (filename check)");
63720136 343
090bf15b 344 ok(truncate(FH, 0), "fh resize to zero");
0c5d4ba3 345
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SR
346 if ($needs_fh_reopen) {
347 close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
348 }
0c5d4ba3 349
090bf15b 350 ok(-z "Iofs.tmp", "fh resize to zero working (filename check)");
7a2cf369 351
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SR
352 close FH;
353
354 open(FH, ">>Iofs.tmp") or die "Can't open Iofs.tmp for appending";
355
356 binmode FH;
357 select FH;
358 $| = 1;
359 select STDOUT;
360
361 {
362 use strict;
363 print FH "x\n" x 200;
364 ok(truncate(*FH{IO}, 100), "fh resize by IO slot");
365 }
366
367 if ($needs_fh_reopen) {
368 close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
369 }
370
371 is(-s "Iofs.tmp", 100, "fh resize by IO slot working");
372
373 close FH;
374 }
f783569b 375}
80252599 376
65cb15a1 377# check if rename() can be used to just change case of filename
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378SKIP: {
379 skip "Works in Cygwin only if check_case is set to relaxed", 1
380 if $^O eq 'cygwin';
381
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382 chdir './tmp';
383 open(fh,'>x') || die "Can't create x";
384 close(fh);
385 rename('x', 'X');
3ed9f8f7 386
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387 # this works on win32 only, because fs isn't casesensitive
388 ok(-e 'X', "rename working");
8268670f 389
20dd405c 390 1 while unlink 'X';
0c5d4ba3 391 chdir $wd || die "Can't cd back to $wd";
73077d53 392}
65cb15a1 393
80252599 394# check if rename() works on directories
0c5d4ba3 395if ($^O eq 'VMS') {
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396 # must have delete access to rename a directory
397 `set file tmp.dir/protection=o:d`;
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398 ok(rename('tmp.dir', 'tmp1.dir'), "rename on directories") ||
399 print "# errno: $!\n";
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400} else {
401 ok(rename('tmp', 'tmp1'), "rename on directories");
6d738113 402}
0c5d4ba3
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403
404ok(-d 'tmp1', "rename on directories working");
80252599 405
73077d53 406# need to remove 'tmp' if rename() in test 28 failed!
4e7ee149 407END { rmdir 'tmp1'; rmdir 'tmp'; 1 while unlink "Iofs.tmp"; }