truncate(FH) flushes FH before truncating it

[p5sagit/p5-mst-13.2.git] / t / io / fs.t

diff --git a/t/io/fs.t b/t/io/fs.t
index a219b81..0bcf579 100755 (executable)
--- a/t/io/fs.t
+++ b/t/io/fs.t
@@ -2,49 +2,96 @@
 
 # $RCSfile: fs.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:28 $
 
-print "1..22\n";
+BEGIN {
+    chdir 't' if -d 't';
+    unshift @INC, '../lib';
+}
+
+use Config;
+
+$Is_Dosish = ($^O eq 'MSWin32' or $^O eq 'dos' or
+             $^O eq 'os2' or $^O eq 'mint');
+
+if (defined &Win32::IsWinNT && Win32::IsWinNT()) {
+    $Is_Dosish = '' if Win32::FsType() eq 'NTFS';
+}
+
+print "1..28\n";
 
-$wd = `pwd`;
+$wd = (($^O eq 'MSWin32') ? `cd` : `pwd`);
 chop($wd);
 
-`rm -f tmp 2>/dev/null; mkdir tmp 2>/dev/null`;
+if ($^O eq 'MSWin32') { `del tmp 2>nul`; `mkdir tmp`; }
+else {  `rm -f tmp 2>/dev/null; mkdir tmp 2>/dev/null`; }
 chdir './tmp';
 `/bin/rm -rf a b c x` if -x '/bin/rm';
 
 umask(022);
 
-if ((umask(0)&0777) == 022) {print "ok 1\n";} else {print "not ok 1\n";}
+if ($^O eq 'MSWin32') { print "ok 1 # skipped: bogus umask()\n"; }
+elsif ((umask(0)&0777) == 022) {print "ok 1\n";} else {print "not ok 1\n";}
 open(fh,'>x') || die "Can't create x";
 close(fh);
 open(fh,'>a') || die "Can't create a";
 close(fh);
 
-if (eval {link('a','b')}) {print "ok 2\n";} else {print "not ok 2\n";}
+if ($Is_Dosish) {print "ok 2 # skipped: no link\n";} 
+elsif (eval {link('a','b')}) {print "ok 2\n";} 
+else {print "not ok 2\n";}
 
-if (eval {link('b','c')}) {print "ok 3\n";} else {print "not ok 3\n";}
+if ($Is_Dosish) {print "ok 3 # skipped: no link\n";} 
+elsif (eval {link('b','c')}) {print "ok 3\n";} 
+else {print "not ok 3\n";}
 
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('c');
 
-if ($nlink == 3) {print "ok 4\n";} else {print "not ok 4\n";}
-if (($mode & 0777) == 0666) {print "ok 5\n";} else {print "not ok 5\n";}
+if ($Config{dont_use_nlink} || $Is_Dosish)
+    {print "ok 4 # skipped: no link\n";} 
+elsif ($nlink == 3)
+    {print "ok 4\n";} 
+else {print "not ok 4\n";}
 
-if ((chmod 0777,'a') == 1) {print "ok 6\n";} else {print "not ok 6\n";}
+if ($^O eq 'amigaos' || $Is_Dosish)
+    {print "ok 5 # skipped: no link\n";} 
+elsif (($mode & 0777) == 0666)
+    {print "ok 5\n";} 
+else {print "not ok 5\n";}
+
+$newmode = $^O eq 'MSWin32' ? 0444 : 0777;
+if ((chmod $newmode,'a') == 1) {print "ok 6\n";} else {print "not ok 6\n";}
 
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('c');
-if (($mode & 0777) == 0777) {print "ok 7\n";} else {print "not ok 7\n";}
+if ($Is_Dosish) {print "ok 7 # skipped: no link\n";} 
+elsif (($mode & 0777) == $newmode) {print "ok 7\n";} 
+else {print "not ok 7\n";}
+
+$newmode = 0700;
+if ($^O eq 'MSWin32') {
+    chmod 0444, 'x';
+    $newmode = 0666;
+}
 
-if ((chmod 0700,'c','x') == 2) {print "ok 8\n";} else {print "not ok 8\n";}
+if ($Is_Dosish) {print "ok 8 # skipped: no link\n";} 
+elsif ((chmod $newmode,'c','x') == 2) {print "ok 8\n";} 
+else {print "not ok 8\n";}
 
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('c');
-if (($mode & 0777) == 0700) {print "ok 9\n";} else {print "not ok 9\n";}
+if ($Is_Dosish) {print "ok 9 # skipped: no link\n";} 
+elsif (($mode & 0777) == $newmode) {print "ok 9\n";} 
+else {print "not ok 9\n";}
+
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('x');
-if (($mode & 0777) == 0700) {print "ok 10\n";} else {print "not ok 10\n";}
+if ($Is_Dosish) {print "ok 10 # skipped: no link\n";} 
+elsif (($mode & 0777) == $newmode) {print "ok 10\n";} 
+else {print "not ok 10\n";}
 
-if ((unlink 'b','x') == 2) {print "ok 11\n";} else {print "not ok 11\n";}
+if ($Is_Dosish) {print "ok 11 # skipped: no link\n"; unlink 'b','x'; } 
+elsif ((unlink 'b','x') == 2) {print "ok 11\n";} 
+else {print "not ok 11\n";}
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('b');
 if ($ino == 0) {print "ok 12\n";} else {print "not ok 12\n";}
@@ -56,12 +103,16 @@ if (rename('a','b')) {print "ok 14\n";} else {print "not ok 14\n";}
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('a');
 if ($ino == 0) {print "ok 15\n";} else {print "not ok 15\n";}
-$foo = (utime 500000000,500000001,'b');
+$delta = $Is_Dosish ? 2 : 1;   # Granularity of time on the filesystem
+$foo = (utime 500000000,500000000 + $delta,'b');
 if ($foo == 1) {print "ok 16\n";} else {print "not ok 16 $foo\n";}
 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat('b');
-if ($ino) {print "ok 17\n";} else {print "not ok 17\n";}
-if (($atime == 500000000 && $mtime == 500000001) || $wd =~ m#/afs/#)
+if ($^O eq 'MSWin32') { print "ok 17 # skipped: bogus (stat)[1]\n"; }
+elsif ($ino) {print "ok 17\n";} else {print "not ok 17\n";}
+if ($wd =~ m#/afs/# || $^O eq 'amigaos' || $^O eq 'dos' || $^O eq 'MSWin32')
+    {print "ok 18 # skipped: granularity of the filetime\n";}
+elsif ($atime == 500000000 && $mtime == 500000000 + $delta)
     {print "ok 18\n";}
 else
     {print "not ok 18 $atime $mtime\n";}
@@ -75,11 +126,61 @@ unlink 'c';
 chdir $wd || die "Can't cd back to $wd";
 
 unlink 'c';
-if (`ls -l perl 2>/dev/null` =~ /^l.*->/) {  # we have symbolic links
+if ($^O ne 'MSWin32' and `ls -l perl 2>/dev/null` =~ /^l.*->/) {
+    # we have symbolic links
     if (symlink("TEST","c")) {print "ok 21\n";} else {print "not ok 21\n";}
     $foo = `grep perl c`;
     if ($foo) {print "ok 22\n";} else {print "not ok 22\n";}
+    unlink 'c';
 }
 else {
     print "ok 21\nok 22\n";
 }
+
+# truncate (may not be implemented everywhere)
+unlink "Iofs.tmp";
+`echo helloworld > Iofs.tmp`;
+eval { truncate "Iofs.tmp", 5; };
+if ($@ =~ /not implemented/) {
+  print "# truncate not implemented -- skipping tests 23 through 26\n";
+  for (23 .. 26) {
+    print "ok $_\n";
+  }
+}
+else {
+  if (-s "Iofs.tmp" == 5) {print "ok 23\n"} else {print "not ok 23\n"}
+  truncate "Iofs.tmp", 0;
+  if (-z "Iofs.tmp") {print "ok 24\n"} else {print "not ok 24\n"}
+  open(FH, ">Iofs.tmp") or die "Can't create Iofs.tmp";
+  binmode FH;
+  { select FH; $| = 1; select STDOUT }
+  {
+    use strict;
+    print FH "x\n" x 200;
+    truncate(FH, 200) or die "Can't truncate FH: $!";
+  }
+  if ($^O eq 'dos'
+       # Not needed on HPFS, but needed on HPFS386 ?!
+      or $^O eq 'os2')
+  {
+      close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
+  }
+  if (-s "Iofs.tmp" == 200) {print "ok 25\n"} else {print "not ok 25\n"}
+  truncate FH, 0;
+  if ($^O eq 'dos'
+       # Not needed on HPFS, but needed on HPFS386 ?!
+      or $^O eq 'os2')
+  {
+      close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
+  }
+  if (-z "Iofs.tmp") {print "ok 26\n"} else {print "not ok 26\n"}
+  close FH;
+}
+
+# check if rename() works on directories
+rename 'tmp', 'tmp1' or print "not ";
+print "ok 27\n";
+-d 'tmp1' or print "not ";
+print "ok 28\n";
+
+END { rmdir 'tmp1'; unlink "Iofs.tmp"; }