Add t/op/lc.t to see if lc, uc, lcfirst, ucfirst, quotemeta work.

[p5sagit/p5-mst-13.2.git] / t / op / lfs.t

diff --git a/t/op/lfs.t b/t/op/lfs.t
index e55212f..2652555 100644 (file)
--- a/t/op/lfs.t
+++ b/t/op/lfs.t
@@ -13,6 +13,11 @@ BEGIN {
        }
 }
 
+use strict;
+
+our @s;
+our $fail;
+
 sub zap {
     close(BIG);
     unlink("big");
@@ -25,27 +30,36 @@ sub bye {
     exit(0);
 }
 
+my $explained;
+
 sub explain {
-    print <<EOM;
+    unless ($explained++) {
+       print <<EOM;
 #
-# If the lfs (large file support: large meaning larger than two gigabytes)
-# tests are skipped or fail, it may mean either that your process
-# (or process group) is not allowed to write large files (resource
-# limits) or that the file system you are running the tests on doesn't
-# let your user/group have large files (quota) or the filesystem simply
-# doesn't support large files.  You may even need to reconfigure your kernel.
-# (This is all very operating system and site-dependent.)
+# If the lfs (large file support: large meaning larger than two
+# gigabytes) tests are skipped or fail, it may mean either that your
+# process (or process group) is not allowed to write large files
+# (resource limits) or that the file system (the network filesystem?)
+# you are running the tests on doesn't let your user/group have large
+# files (quota) or the filesystem simply doesn't support large files.
+# You may even need to reconfigure your kernel.  (This is all very
+# operating system and site-dependent.)
 #
 # Perl may still be able to support large files, once you have
 # such a process, enough quota, and such a (file) system.
+# It is just that the test failed now.
 #
 EOM
+    }
+    print "1..0 # Skip: @_\n" if @_;
 }
 
+$| = 1;
+
 print "# checking whether we have sparse files...\n";
 
 # Known have-nots.
-if ($^O eq 'MSWin32' || $^O eq 'VMS') {
+if ($^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'VMS') {
     print "1..0 # Skip: no sparse files in $^O\n";
     bye();
 }
@@ -125,8 +139,7 @@ open(BIG, ">big") or do { warn "open failed: $!\n"; bye };
 binmode BIG;
 if ($r or not seek(BIG, 5_000_000_000, $SEEK_SET)) {
     my $err = $r ? 'signal '.($r & 0x7f) : $!;
-    print "1..0 # Skip: seeking past 2GB failed: $err\n";
-    explain();
+    explain("seeking past 2GB failed: $err");
     bye();
 }
 
@@ -138,11 +151,12 @@ my $close = close BIG;
 print "# close failed: $!\n" unless $close;
 unless ($print && $close) {
     if ($! =~/too large/i) {
-       print "1..0 # Skip: writing past 2GB failed: process limits?\n";
+       explain("writing past 2GB failed: process limits?");
     } elsif ($! =~ /quota/i) {
-       print "1..0 # Skip: filesystem quota limits?\n";
+       explain("filesystem quota limits?");
+    } else {
+       explain("error: $!");
     }
-    explain();
     bye();
 }
 
@@ -151,8 +165,7 @@ unless ($print && $close) {
 print "# @s\n";
 
 unless ($s[7] == 5_000_000_003) {
-    print "1..0 # Skip: not configured to use large files?\n";
-    explain();
+    explain("kernel/fs not configured to use large files?");
     bye();
 }
 
@@ -161,9 +174,30 @@ sub fail () {
     $fail++;
 }
 
+sub offset ($$) {
+    my ($offset_will_be, $offset_want) = @_;
+    my $offset_is = eval $offset_will_be;
+    unless ($offset_is == $offset_want) {
+        print "# bad offset $offset_is, want $offset_want\n";
+       my ($offset_func) = ($offset_will_be =~ /^(\w+)/);
+       if (unpack("L", pack("L", $offset_want)) == $offset_is) {
+           print "# 32-bit wraparound suspected in $offset_func() since\n";
+           print "# $offset_want cast into 32 bits equals $offset_is.\n";
+       } elsif ($offset_want - unpack("L", pack("L", $offset_want)) - 1
+                == $offset_is) {
+           print "# 32-bit wraparound suspected in $offset_func() since\n";
+           printf "# %s - unpack('L', pack('L', %s)) - 1 equals %s.\n",
+               $offset_want,
+               $offset_want,
+               $offset_is;
+        }
+        fail;
+    }
+}
+
 print "1..17\n";
 
-my $fail = 0;
+$fail = 0;
 
 fail unless $s[7] == 5_000_000_003;    # exercizes pp_stat
 print "ok 1\n";
@@ -183,25 +217,28 @@ binmode BIG;
 fail unless seek(BIG, 4_500_000_000, $SEEK_SET);
 print "ok 5\n";
 
-fail unless tell(BIG) == 4_500_000_000;
+offset('tell(BIG)', 4_500_000_000);
 print "ok 6\n";
 
 fail unless seek(BIG, 1, $SEEK_CUR);
 print "ok 7\n";
 
-fail unless tell(BIG) == 4_500_000_001;
+# If you get 205_032_705 from here it means that
+# your tell() is returning 32-bit values since (I32)4_500_000_001
+# is exactly 205_032_705.
+offset('tell(BIG)', 4_500_000_001);
 print "ok 8\n";
 
 fail unless seek(BIG, -1, $SEEK_CUR);
 print "ok 9\n";
 
-fail unless tell(BIG) == 4_500_000_000;
+offset('tell(BIG)', 4_500_000_000);
 print "ok 10\n";
 
 fail unless seek(BIG, -3, $SEEK_END);
 print "ok 11\n";
 
-fail unless tell(BIG) == 5_000_000_000;
+offset('tell(BIG)', 5_000_000_000);
 print "ok 12\n";
 
 my $big;
@@ -213,6 +250,8 @@ fail unless $big eq "big";
 print "ok 14\n";
 
 # 705_032_704 = (I32)5_000_000_000
+# See that we don't have "big" in the 705_... spot:
+# that would mean that we have a wraparound.
 fail unless seek(BIG, 705_032_704, $SEEK_SET);
 print "ok 15\n";
 
@@ -224,7 +263,7 @@ print "ok 16\n";
 fail unless $zero eq "\0\0\0";
 print "ok 17\n";
 
-explain if $fail;
+explain() if $fail;
 
 bye(); # does the necessary cleanup