perl/t/io/fs.t

535 lines
15 KiB
Perl

#!./perl
BEGIN {
chdir 't' if -d 't';
require "./test.pl";
set_up_inc('../lib');
}
use Config;
my $Is_VMSish = ($^O eq 'VMS');
if ($^O eq 'MSWin32') {
# under minitest, buildcustomize sets this to 1, which means
# nlinks isn't populated properly, allow our tests to pass
${^WIN32_SLOPPY_STAT} = 0;
}
if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
$wd = `cd`;
}
elsif ($^O eq 'VMS') {
$wd = `show default`;
}
elsif ( $^O =~ /android/ || $^O eq 'nto' ) {
# On Android and Blackberry 10, pwd is a shell builtin, so plain `pwd`
# won't cut it
$wd = `sh -c pwd`;
}
else {
$wd = `pwd`;
}
chomp($wd);
die "Can't get current working directory" if(!$wd);
my $has_link = $Config{d_link};
my $accurate_timestamps =
!($^O eq 'MSWin32' || $^O eq 'NetWare' ||
$^O eq 'dos' || $^O eq 'os2' ||
$^O eq 'cygwin' || $^O eq 'amigaos' ||
$wd =~ m#$Config{afsroot}/#
);
if (defined &Win32::IsWinNT && Win32::IsWinNT()) {
if (Win32::FsType() eq 'NTFS') {
$has_link = 1;
$accurate_timestamps = 1;
}
else {
$has_link = 0;
}
}
my $needs_fh_reopen =
$^O eq 'dos'
# Not needed on HPFS, but needed on HPFS386 ?!
|| $^O eq 'os2';
$needs_fh_reopen = 1 if (defined &Win32::IsWin95 && Win32::IsWin95());
my $skip_mode_checks =
$^O eq 'cygwin' && $ENV{CYGWIN} !~ /ntsec/;
plan tests => 61;
my $tmpdir = tempfile();
my $tmpdir1 = tempfile();
if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
`rmdir /s /q $tmpdir 2>nul`;
`mkdir $tmpdir`;
}
elsif ($^O eq 'VMS') {
`if f\$search("[.$tmpdir]*.*") .nes. "" then delete/nolog/noconfirm [.$tmpdir]*.*.*`;
`if f\$search("$tmpdir.dir") .nes. "" then set file/prot=o:rwed $tmpdir.dir;`;
`if f\$search("$tmpdir.dir") .nes. "" then delete/nolog/noconfirm $tmpdir.dir;`;
`create/directory [.$tmpdir]`;
}
else {
`rm -f $tmpdir 2>/dev/null; mkdir $tmpdir 2>/dev/null`;
}
chdir $tmpdir;
`/bin/rm -rf a b c x` if -x '/bin/rm';
umask(022);
SKIP: {
skip "bogus umask", 1 if ($^O eq 'MSWin32') || ($^O eq 'NetWare');
is((umask(0)&0777), 022, 'umask'),
}
open(FH,'>x') || die "Can't create x";
close(FH);
open(FH,'>a') || die "Can't create a";
close(FH);
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks,$a_mode);
SKIP: {
skip("no link", 4) unless $has_link;
ok(link('a','b'), "link a b");
ok(link('b','c'), "link b c");
$a_mode = (stat('a'))[2];
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('c');
SKIP: {
skip "no nlink", 1 if $Config{dont_use_nlink};
is($nlink, 3, "link count of triply-linked file");
}
SKIP: {
skip "hard links not that hard in $^O", 1 if $^O eq 'amigaos';
skip "no mode checks", 1 if $skip_mode_checks;
is(sprintf("0%o", $mode & 0777),
sprintf("0%o", $a_mode & 0777),
"mode of triply-linked file");
}
}
$newmode = (($^O eq 'MSWin32') || ($^O eq 'NetWare')) ? 0444 : 0777;
is(chmod($newmode,'a'), 1, "chmod succeeding");
SKIP: {
skip("no link", 7) unless $has_link;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('c');
SKIP: {
skip "no mode checks", 1 if $skip_mode_checks;
is($mode & 0777, $newmode, "chmod going through");
}
$newmode = 0700;
chmod 0444, 'x';
$newmode = 0666;
is(chmod($newmode,'c','x'), 2, "chmod two files");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('c');
SKIP: {
skip "no mode checks", 1 if $skip_mode_checks;
is($mode & 0777, $newmode, "chmod going through to c");
}
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('x');
SKIP: {
skip "no mode checks", 1 if $skip_mode_checks;
is($mode & 0777, $newmode, "chmod going through to x");
}
is(unlink('b','x'), 2, "unlink two files");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('b');
is($ino, undef, "ino of removed file b should be undef");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('x');
is($ino, undef, "ino of removed file x should be undef");
}
SKIP: {
skip "no fchmod", 7 unless ($Config{d_fchmod} || "") eq "define";
ok(open(my $fh, "<", "a"), "open a");
is(chmod(0, $fh), 1, "fchmod");
$mode = (stat "a")[2];
SKIP: {
skip "no mode checks", 1 if $skip_mode_checks;
skip "chmod(0, FH) means assume user defaults on VMS", 1 if $^O eq 'VMS';
is($mode & 0777, 0, "perm reset");
}
is(chmod($newmode, "a"), 1, "fchmod");
$mode = (stat $fh)[2];
SKIP: {
skip "no mode checks", 1 if $skip_mode_checks;
is($mode & 0777, $newmode, "perm restored");
}
# [perl #122703]
close $fh;
$! = 0;
ok(!chmod(0666, $fh), "chmod through closed handle fails");
isnt($!+0, 0, "and errno was set");
}
SKIP: {
skip "no fchown", 3 unless ($Config{d_fchown} || "") eq "define";
open(my $fh, "<", "a");
is(chown(-1, -1, $fh), 1, "fchown");
# [perl #122703]
# chown() behaved correctly, but there was no test for the chown()
# on closed handle case
close $fh;
$! = 0;
ok(!chown(-1, -1, $fh), "chown on closed handle fails");
isnt($!+0, 0, "and errno was set");
}
SKIP: {
skip "has fchmod", 1 if ($Config{d_fchmod} || "") eq "define";
open(my $fh, "<", "a");
eval { chmod(0777, $fh); };
like($@, qr/^The fchmod function is unimplemented at/, "fchmod is unimplemented");
}
SKIP: {
skip "has fchown", 1 if ($Config{d_fchown} || "") eq "define";
open(my $fh, "<", "a");
eval { chown(0, 0, $fh); };
like($@, qr/^The f?chown function is unimplemented at/, "fchown is unimplemented");
}
is(rename('a','b'), 1, "rename a b");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('a');
is($ino, undef, "ino of renamed file a should be undef");
$delta = $accurate_timestamps ? 1 : 2; # Granularity of time on the filesystem
chmod 0777, 'b';
$ut = 500000000;
note("basic check of atime and mtime");
$foo = (utime $ut,$ut + $delta,'b');
is($foo, 1, "utime");
check_utime_result($ut, $accurate_timestamps, $delta);
utime undef, undef, 'b';
($atime,$mtime) = (stat 'b')[8,9];
note("# utime undef, undef --> $atime, $mtime");
isnt($atime, $ut, 'atime: utime called with two undefs');
isnt($mtime, $ut + $delta, 'mtime: utime called with two undefs');
SKIP: {
skip "no futimes", 6 unless ($Config{d_futimes} || "") eq "define";
note("check futimes");
open(my $fh, "<", 'b');
$foo = (utime $ut,$ut + $delta, $fh);
is($foo, 1, "futime");
check_utime_result($ut, $accurate_timestamps, $delta);
# [perl #122703]
close $fh;
ok(!utime($ut,$ut + $delta, $fh),
"utime fails on a closed file handle");
isnt($!+0, 0, "and errno was set");
}
SKIP: {
skip "has futimes", 1 if ($Config{d_futimes} || "") eq "define";
open(my $fh, "<", "b") || die;
eval { utime(undef, undef, $fh); };
like($@, qr/^The futimes function is unimplemented at/, "futimes is unimplemented");
}
is(unlink('b'), 1, "unlink b");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('b');
is($ino, undef, "ino of unlinked file b should be undef");
unlink 'c';
chdir $wd || die "Can't cd back to '$wd' ($!)";
# Yet another way to look for links (perhaps those that cannot be
# created by perl?). Hopefully there is an ls utility in your
# %PATH%. N.B. that $^O is 'cygwin' on Cygwin.
SKIP: {
skip "Win32/Netware specific test", 2
unless ($^O eq 'MSWin32') || ($^O eq 'NetWare');
skip "No symbolic links found to test with", 2
unless `ls -l perl 2>nul` =~ /^l.*->/;
system("cp TEST TEST$$");
# we have to copy because e.g. GNU grep gets huffy if we have
# a symlink forest to another disk (it complains about too many
# levels of symbolic links, even if we have only two)
is(symlink("TEST$$","c"), 1, "symlink");
$foo = `grep perl c 2>&1`;
ok($foo, "found perl in c");
unlink 'c';
unlink("TEST$$");
}
my $tmpfile = tempfile();
open IOFSCOM, ">$tmpfile" or die "Could not write IOfs.tmp: $!";
print IOFSCOM 'helloworld';
close(IOFSCOM);
# TODO: pp_truncate needs to be taught about F_CHSIZE and F_FREESP,
# as per UNIX FAQ.
SKIP: {
# Check truncating a closed file.
eval { truncate $tmpfile, 5; };
skip("no truncate - $@", 8) if $@;
is(-s $tmpfile, 5, "truncation to five bytes");
truncate $tmpfile, 0;
ok(-z $tmpfile, "truncation to zero bytes");
#these steps are necessary to check if file is really truncated
#On Win95, FH is updated, but file properties aren't
open(FH, ">$tmpfile") or die "Can't create $tmpfile";
print FH "x\n" x 200;
close FH;
# Check truncating an open file.
open(FH, ">>$tmpfile") or die "Can't open $tmpfile for appending";
binmode FH;
select FH;
$| = 1;
select STDOUT;
{
use strict;
print FH "x\n" x 200;
ok(truncate(FH, 200), "fh resize to 200");
}
if ($needs_fh_reopen) {
close (FH); open (FH, ">>$tmpfile") or die "Can't reopen $tmpfile";
}
is(-s $tmpfile, 200, "fh resize to 200 working (filename check)");
ok(truncate(FH, 0), "fh resize to zero");
if ($needs_fh_reopen) {
close (FH); open (FH, ">>$tmpfile") or die "Can't reopen $tmpfile";
}
ok(-z $tmpfile, "fh resize to zero working (filename check)");
close FH;
open(FH, ">>$tmpfile") or die "Can't open $tmpfile for appending";
binmode FH;
select FH;
$| = 1;
select STDOUT;
{
use strict;
print FH "x\n" x 200;
ok(truncate(*FH{IO}, 100), "fh resize by IO slot");
}
if ($needs_fh_reopen) {
close (FH); open (FH, ">>$tmpfile") or die "Can't reopen $tmpfile";
}
is(-s $tmpfile, 100, "fh resize by IO slot working");
close FH;
my $n = "for_fs_dot_t$$";
open FH, ">$n" or die "open $n: $!";
print FH "bloh blah bla\n";
close FH or die "close $n: $!";
eval "truncate $n, 0; 1" or die;
ok !-z $n, 'truncate(word) does not fall back to file name';
unlink $n;
}
# check if rename() can be used to just change case of filename
SKIP: {
skip "Works in Cygwin only if check_case is set to relaxed", 1
if ($ENV{'CYGWIN'} && ($ENV{'CYGWIN'} =~ /check_case:(?:adjust|strict)/));
chdir "./$tmpdir";
open(FH,'>x') || die "Can't create x";
close(FH);
rename('x', 'X');
# this works on win32 only, because fs isn't casesensitive
ok(-e 'X', "rename working");
unlink_all 'X';
chdir $wd || die "Can't cd back to $wd";
}
SKIP:
{
$Config{d_rename}
or skip "Cannot rename directories with link()", 2;
# check if rename() works on directories
if ($^O eq 'VMS') {
# must have delete access to rename a directory
`set file $tmpdir.dir/protection=o:d`;
ok(rename("$tmpdir.dir", "$tmpdir1.dir"), "rename on directories") ||
print "# errno: $!\n";
}
else {
ok(rename($tmpdir, $tmpdir1), "rename on directories");
}
ok(-d $tmpdir1, "rename on directories working");
}
{
# Change 26011: Re: A surprising segfault
# to make sure only that these obfuscated sentences will not crash.
map chmod(+()), ('')x68;
ok(1, "extend sp in pp_chmod");
map chown(+()), ('')x68;
ok(1, "extend sp in pp_chown");
}
# Calling unlink on a directory without -U and privileges will always fail, but
# it should set errno to EISDIR even though unlink(2) is never called.
SKIP: {
if (is_miniperl && !eval 'require Errno') {
skip "Errno not built yet", 3;
}
require Errno;
my $tmpdir = tempfile();
if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) {
`mkdir $tmpdir`;
}
elsif ($^O eq 'VMS') {
`create/directory [.$tmpdir]`;
}
else {
`mkdir $tmpdir 2>/dev/null`;
}
# errno should be set even though unlink(2) is not called
local $!;
is(unlink($tmpdir), 0, "can't unlink directory without -U and privileges");
is(0+$!, Errno::EISDIR(), "unlink directory without -U sets errno");
rmdir $tmpdir;
# errno should be set by failed lstat(2) call
$! = 0;
unlink($tmpdir);
is(0+$!, Errno::ENOENT(), "unlink non-existent directory without -U sets ENOENT");
}
# need to remove $tmpdir if rename() in test 28 failed!
END { rmdir $tmpdir1; rmdir $tmpdir; }
sub check_utime_result {
($ut, $accurate_timestamps, $delta) = @_;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat('b');
SKIP: {
skip "bogus inode num", 1 if ($^O eq 'MSWin32') || ($^O eq 'NetWare');
ok($ino, 'non-zero inode num');
}
SKIP: {
skip "filesystem atime/mtime granularity too low", 2
unless $accurate_timestamps;
if ($^O eq 'vos') {
skip ("# TODO - hit VOS bug posix-2055 - access time does not follow POSIX rules for an open file.", 2);
}
note("# atime - $atime mtime - $mtime delta - $delta");
if($atime == $ut && $mtime == $ut + $delta) {
pass('atime: granularity test');
pass('mtime: granularity test');
}
else {
# Operating systems whose filesystems may be mounted with the noatime option
# RT 132663
my %noatime_oses = map { $_ => 1 } ( qw| haiku netbsd | );
if ($^O =~ /\blinux\b/i) {
note("# Maybe stat() cannot get the correct atime, ".
"as happens via NFS on linux?");
$foo = (utime 400000000,$ut + 2*$delta,'b');
my ($new_atime, $new_mtime) = (stat('b'))[8,9];
note("# newatime - $new_atime nemtime - $new_mtime");
if ($new_atime == $atime && $new_mtime - $mtime == $delta) {
pass("atime - accounted for possible NFS/glibc2.2 bug on linux");
pass("mtime - accounted for possible NFS/glibc2.2 bug on linux");
}
else {
fail("atime - $atime/$new_atime $mtime/$new_mtime");
fail("mtime - $atime/$new_atime $mtime/$new_mtime");
}
}
elsif ($^O eq 'VMS') {
# why is this 1 second off?
is( $atime, $ut + 1, 'atime: VMS' );
is( $mtime, $ut + $delta, 'mtime: VMS' );
}
elsif ($noatime_oses{$^O}) {
pass("atime not updated");
is($mtime, 500000001, 'mtime');
}
else {
fail("atime: default case");
fail("mtime: default case");
}
} # END failed atime mtime 'else' block
} # END granularity SKIP block
}