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[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;
10
6d738113 11my $Is_VMSish = ($^O eq 'VMS');
0c5d4ba3 12
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13if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
14 $wd = `cd`;
15} elsif ($^O eq 'VMS') {
16 $wd = `show default`;
17} else {
18 $wd = `pwd`;
19}
20chomp($wd);
21
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22my $has_link = $Config{d_link};
23my $accurate_timestamps =
24 !($^O eq 'MSWin32' || $^O eq 'NetWare' ||
25 $^O eq 'dos' || $^O eq 'os2' ||
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26 $^O eq 'mint' || $^O eq 'cygwin' ||
27 $^O eq 'amigaos' || $wd =~ m#$Config{afsroot}/#
28 );
39e571d4 29
6b980173 30if (defined &Win32::IsWinNT && Win32::IsWinNT()) {
0c5d4ba3 31 if (Win32::FsType() eq 'NTFS') {
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32 $has_link = 1;
33 $accurate_timestamps = 1;
0c5d4ba3 34 }
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35}
36
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37my $needs_fh_reopen =
38 $^O eq 'dos'
39 # Not needed on HPFS, but needed on HPFS386 ?!
40 || $^O eq 'os2';
41
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42$needs_fh_reopen = 1 if (defined &Win32::IsWin95 && Win32::IsWin95());
43
44plan tests => 36;
8d063cd8 45
378cc40b 46
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47if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
48 `rmdir /s /q tmp 2>nul`;
49 `mkdir tmp`;
0c5d4ba3 50} elsif ($^O eq 'VMS') {
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51 `if f\$search("[.tmp]*.*") .nes. "" then delete/nolog/noconfirm [.tmp]*.*.*`;
52 `if f\$search("tmp.dir") .nes. "" then delete/nolog/noconfirm tmp.dir;`;
53 `create/directory [.tmp]`;
54}
55else {
56 `rm -f tmp 2>/dev/null; mkdir tmp 2>/dev/null`;
57}
0c5d4ba3 58
378cc40b 59chdir './tmp';
0c5d4ba3 60
b8440792 61`/bin/rm -rf a b c x` if -x '/bin/rm';
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62
63umask(022);
64
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65SKIP: {
66 skip "bogus umask", 1 if ($^O eq 'MSWin32') || ($^O eq 'NetWare');
67
68 is((umask(0)&0777), 022, 'umask'),
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69}
70
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71open(fh,'>x') || die "Can't create x";
72close(fh);
73open(fh,'>a') || die "Can't create a";
74close(fh);
75
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76my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
77 $blksize,$blocks);
78
3ed9f8f7 79SKIP: {
0c5d4ba3 80 skip("no link", 4) unless $has_link;
8d063cd8 81
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82 ok(link('a','b'), "link a b");
83 ok(link('b','c'), "link b c");
8d063cd8 84
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85 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
86 $blksize,$blocks) = stat('c');
8d063cd8 87
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88 SKIP: {
89 skip "no nlink", 1 if $Config{dont_use_nlink};
90
91 is($nlink, 3, "link count of triply-linked file");
0c5d4ba3 92 }
ea368a7c 93
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94 SKIP: {
95 skip "hard links not that hard in $^O", 1 if $^O eq 'amigaos';
96
97 is($mode & 0777, 0666, "mode of triply-linked file");
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98 }
99}
8d063cd8 100
2986a63f 101$newmode = (($^O eq 'MSWin32') || ($^O eq 'NetWare')) ? 0444 : 0777;
8d063cd8 102
0c5d4ba3 103is(chmod($newmode,'a'), 1, "chmod succeeding");
8d063cd8 104
0c5d4ba3 105SKIP: {
2f3b333f 106 skip("no link", 7) unless $has_link;
0c5d4ba3 107
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108 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
109 $blksize,$blocks) = stat('c');
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110
111 is($mode & 0777, $newmode, "chmod going through");
112
113 $newmode = 0700;
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114 chmod 0444, 'x';
115 $newmode = 0666;
6b980173 116
0c5d4ba3 117 is(chmod($newmode,'c','x'), 2, "chmod two files");
3ed9f8f7 118
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119 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
120 $blksize,$blocks) = stat('c');
8d063cd8 121
0c5d4ba3 122 is($mode & 0777, $newmode, "chmod going through to c");
a245ea2d 123
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124 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
125 $blksize,$blocks) = stat('x');
8d063cd8 126
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127 is($mode & 0777, $newmode, "chmod going through to x");
128
129 is(unlink('b','x'), 2, "unlink two files");
130
131 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
132 $blksize,$blocks) = stat('b');
133
134 is($ino, undef, "ino of removed file b should be undef");
135
136 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
137 $blksize,$blocks) = stat('x');
138
139 is($ino, undef, "ino of removed file x should be undef");
8268670f 140}
0c5d4ba3 141
8268670f 142is(rename('a','b'), 1, "rename a b");
0c5d4ba3 143
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144($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
145 $blksize,$blocks) = stat('a');
0c5d4ba3 146
8268670f 147is($ino, undef, "ino of renamed file a should be undef");
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148
149$delta = $accurate_timestamps ? 1 : 2; # Granularity of time on the filesystem
1d825fcc 150chmod 0777, 'b';
a245ea2d 151$foo = (utime 500000000,500000000 + $delta,'b');
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152
153is($foo, 1, "utime");
154
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155($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
156 $blksize,$blocks) = stat('b');
0c5d4ba3 157
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158SKIP: {
159 skip "bogus inode num", 1 if ($^O eq 'MSWin32') || ($^O eq 'NetWare');
160
161 ok($ino, 'non-zero inode num');
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162}
163
20dd405c 164SKIP: {
3ed9f8f7 165 skip "filesystem atime/mtime granularity too low", 2
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166 unless $accurate_timestamps;
167
168 print "# atime - $atime mtime - $mtime delta - $delta\n";
169 if($atime == 500000000 && $mtime == 500000000 + $delta) {
170 pass('atime');
171 pass('mtime');
0c5d4ba3 172 }
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173 else {
174 if ($^O =~ /\blinux\b/i) {
175 print "# Maybe stat() cannot get the correct atime, ".
176 "as happens via NFS on linux?\n";
177 $foo = (utime 400000000,500000000 + 2*$delta,'b');
178 my ($new_atime, $new_mtime) = (stat('b'))[8,9];
179 print "# newatime - $new_atime nemtime - $new_mtime\n";
180 if ($new_atime == $atime && $new_mtime - $mtime == $delta) {
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181 pass("atime - accounted for possible NFS/glibc2.2 bug on linux");
182 pass("mtime - accounted for possible NFS/glibc2.2 bug on linux");
183 }
20dd405c 184 else {
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185 fail("atime - $atime/$new_atime $mtime/$new_mtime");
186 fail("mtime - $atime/$new_atime $mtime/$new_mtime");
20dd405c 187 }
3ed9f8f7 188 }
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189 elsif ($^O eq 'VMS') {
190 # why is this 1 second off?
191 is( $atime, 500000001, 'atime' );
192 is( $mtime, 500000000 + $delta, 'mtime' );
3ed9f8f7 193 }
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194 elsif ($^O eq 'beos') {
195 SKIP: { skip "atime not updated", 1; }
196 is($mtime, 500000001, 'mtime');
3ed9f8f7 197 }
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198 else {
199 fail("atime");
200 fail("mtime");
201 }
0c5d4ba3 202 }
6d738113 203}
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204
205is(unlink('b'), 1, "unlink b");
206
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207($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
208 $blksize,$blocks) = stat('b');
0c5d4ba3 209is($ino, undef, "ino of unlinked file b should be undef");
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210unlink 'c';
211
212chdir $wd || die "Can't cd back to $wd";
213
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214# Yet another way to look for links (perhaps those that cannot be
215# created by perl?). Hopefully there is an ls utility in your
216# %PATH%. N.B. that $^O is 'cygwin' on Cygwin.
217
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218SKIP: {
219 skip "Win32/Netware specific test", 2
220 unless ($^O eq 'MSWin32') || ($^O eq 'NetWare');
3ed9f8f7 221 skip "No symbolic links found to test with", 2
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222 unless `ls -l perl 2>nul` =~ /^l.*->/;
223
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224 system("cp TEST TEST$$");
225 # we have to copy because e.g. GNU grep gets huffy if we have
226 # a symlink forest to another disk (it complains about too many
227 # levels of symbolic links, even if we have only two)
0c5d4ba3 228 is(symlink("TEST$$","c"), 1, "symlink");
4ba7095c 229 $foo = `grep perl c 2>&1`;
0c5d4ba3 230 ok($foo, "found perl in c");
44a8e56a 231 unlink 'c';
4ba7095c 232 unlink("TEST$$");
378cc40b 233}
f783569b 234
f783569b 235unlink "Iofs.tmp";
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236open IOFSCOM, ">Iofs.tmp" or die "Could not write IOfs.tmp: $!";
237print IOFSCOM 'helloworld';
238close(IOFSCOM);
239
240# TODO: pp_truncate needs to be taught about F_CHSIZE and F_FREESP,
241# as per UNIX FAQ.
242
243SKIP: {
244 eval { truncate "Iofs.tmp", 5; };
245
235bddc8 246 skip("no truncate - $@", 6) if $@;
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247
248 is(-s "Iofs.tmp", 5, "truncation to five bytes");
249
250 truncate "Iofs.tmp", 0;
251
252 ok(-z "Iofs.tmp", "truncation to zero bytes");
253
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254#these steps are necessary to check if file is really truncated
255#On Win95, FH is updated, but file properties aren't
0c5d4ba3 256 open(FH, ">Iofs.tmp") or die "Can't create Iofs.tmp";
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257 print FH "x\n" x 200;
258 close FH;
259
260
261 open(FH, ">>Iofs.tmp") or die "Can't open Iofs.tmp for appending";
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262
263 binmode FH;
264 select FH;
265 $| = 1;
266 select STDOUT;
267
268 {
269 use strict;
270 print FH "x\n" x 200;
271 ok(truncate(FH, 200), "fh resize to 200");
62b86938 272 }
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273
274 if ($needs_fh_reopen) {
275 close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
276 }
7a2cf369 277
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278 if ($^O eq 'vos') {
279 is(-s "Iofs.tmp", 200, "TODO - hit VOS bug posix-973 - fh resize to 200 working (filename check)");
280 } else {
281 is(-s "Iofs.tmp", 200, "fh resize to 200 working (filename check)");
282 }
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283
284 ok(truncate(FH, 0), "fh resize to zero");
285
286 if ($needs_fh_reopen) {
287 close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
288 }
289
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290 ok(-z "Iofs.tmp", "fh resize to zero working (filename check)");
291
292 ok(truncate(FH, 200), "fh resize to 200");
293 is(-s FH, 200, "fh resize to 200 working (FH check)");
0c5d4ba3 294
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295 ok(truncate(FH, 0), "fh resize to 0");
296 ok(-z FH, "fh resize to 0 working (FH check)");
0c5d4ba3 297 close FH;
f783569b 298}
80252599 299
65cb15a1 300# check if rename() can be used to just change case of filename
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301SKIP: {
302 skip "Works in Cygwin only if check_case is set to relaxed", 1
303 if $^O eq 'cygwin';
304
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305 chdir './tmp';
306 open(fh,'>x') || die "Can't create x";
307 close(fh);
308 rename('x', 'X');
3ed9f8f7 309
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310 # this works on win32 only, because fs isn't casesensitive
311 ok(-e 'X', "rename working");
8268670f 312
20dd405c 313 1 while unlink 'X';
0c5d4ba3 314 chdir $wd || die "Can't cd back to $wd";
73077d53 315}
65cb15a1 316
80252599 317# check if rename() works on directories
0c5d4ba3 318if ($^O eq 'VMS') {
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319 # must have delete access to rename a directory
320 `set file tmp.dir/protection=o:d`;
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321 ok(rename('tmp.dir', 'tmp1.dir'), "rename on directories") ||
322 print "# errno: $!\n";
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323} else {
324 ok(rename('tmp', 'tmp1'), "rename on directories");
6d738113 325}
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326
327ok(-d 'tmp1', "rename on directories working");
80252599 328
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329# need to remove 'tmp' if rename() in test 28 failed!
330END { rmdir 'tmp1'; rmdir 'tmp'; unlink "Iofs.tmp"; }