# WORKAROUND - main is not the default package
package main;
#
# t/test.pl - most of Test::More functionality without the fuss, plus
# has mappings native_to_latin1 and latin1_to_native so that fewer tests
# on non ASCII-ish platforms need to be skipped


# NOTE:
#
# Increment ($x++) has a certain amount of cleverness for things like
#
#   $x = 'zz';
#   $x++; # $x eq 'aaa';
#
# stands more chance of breaking than just a simple
#
#   $x = $x + 1
#
# In this file, we use the latter "Baby Perl" approach, and increment
# will be worked over by t/op/inc.t

$Level = 1;
my $test = 1;
my $planned;
my $noplan;
my $Perl;       # Safer version of $^X set by which_perl()

# This defines ASCII/UTF-8 vs EBCDIC/UTF-EBCDIC
$::IS_ASCII  = ord 'A' ==  65;
$::IS_EBCDIC = ord 'A' == 193;

$TODO = 0;
$NO_ENDING = 0;
$Tests_Are_Passing = 1;

# Use this instead of print to avoid interference while testing globals.
sub _print {
    local($\, $", $,) = (undef, ' ', '');
    # WORKAROUND - lack of STDOUT
    print @_;
    ##print STDOUT @_;
}

sub _print_stderr {
    local($\, $", $,) = (undef, ' ', '');
    # WORKAROUND - lack of STDERR
    print @_;
}

sub plan {
    my $n;
    if (@_ == 1) {
	$n = shift;
	if ($n eq 'no_plan') {
	  undef $n;
	  $noplan = 1;
	}
    } else {
	my %plan = @_;
	$n = $plan{tests};
    }
    _print "1..$n\n" unless $noplan;
    $planned = $n;
}


# Set the plan at the end.  See Test::More::done_testing.
sub done_testing {
    my $n = $test - 1;
    $n = shift if @_;

    _print "1..$n\n";
    $planned = $n;
}


####  #END {
####  #    my $ran = $test - 1;
####  #    if (!$NO_ENDING) {
####  #	if (defined $planned && $planned != $ran) {
####  #	    _print_stderr
####  #		"# Looks like you planned $planned tests but ran $ran.\n";
####  #	} elsif ($noplan) {
####  #	    _print "1..$ran\n";
####  #	}
####  #    }
####  #}
####  
sub _diag {
    return unless @_;
    my @mess = _comment(@_);
    $TODO ? _print(@mess) : _print_stderr(@mess);
}

# Use this instead of "print STDERR" when outputting failure diagnostic
# messages
sub diag {
    _diag(@_);
}

# Use this instead of "print" when outputting informational messages
sub note {
    return unless @_;
    _print( _comment(@_) );
}

sub is_miniperl {
    0
}

sub set_up_inc {
    # Donâ€™t clobber @INC under miniperl
    @INC = () unless is_miniperl;
    unshift @INC, @_;
}

sub _comment {
    return map { /^#/ ? "$_\n" : "# $_\n" }
           map { split /\n/ } @_;
}

sub skip_all {
    if (@_) {
        _print "1..0 # Skip @_\n";
    } else {
	_print "1..0\n";
    }
    exit(0);
}

####  sub skip_all_if_miniperl {
####      skip_all(@_) if is_miniperl();
####  }
####  
####  sub skip_all_without_dynamic_extension {
####      my $extension = shift;
####      skip_all("no dynamic loading on miniperl, no $extension") if is_miniperl();
####      unless (eval {require Config; 1}) {
####  	warn "test.pl had problems loading Config: $@";
####  	return;
####      }
####      $extension =~ s!::!/!g;
####      return if ($Config::Config{extensions} =~ /\b$extension\b/);
####      skip_all("$extension was not built");
####  }
####  
####  sub skip_all_without_perlio {
####      skip_all('no PerlIO') unless PerlIO::Layer->find('perlio');
####  }
####  
####  sub skip_all_without_config {
####      unless (eval {require Config; 1}) {
####  	warn "test.pl had problems loading Config: $@";
####  	return;
####      }
####      foreach (@_) {
####  	next if $Config::Config{$_};
####  	my $key = $_; # Need to copy, before trying to modify.
####  	$key =~ s/^use//;
####  	$key =~ s/^d_//;
####  	skip_all("no $key");
####      }
####  }
####  
sub _ok {
    my ($pass, $where, $name, @mess) = @_;
    # Do not try to microoptimize by factoring out the "not ".
    # VMS will avenge.
    my $out;
    if ($name) {
        # escape out '#' or it will interfere with '# skip' and such
        $name =~ s/#/\\#/g;
	$out = $pass ? "ok $test - $name" : "not ok $test - $name";
    } else {
	$out = $pass ? "ok $test" : "not ok $test";
    }

    if ($TODO) {
	$out = $out . " # TODO $TODO";
    } else {
	$Tests_Are_Passing = 0 unless $pass;
    }

    print "$out\n";

    if ($pass) {
    #note @mess; # Ensure that the message is properly escaped.
    _print @mess;
    }
    else {
	_diag "# Failed $where\n";
	_diag @mess;
    }

    $test = $test + 1; # don't use ++

    return $pass;
}
####  
sub _where {
    # WORKAROUND - lack of caller 
    return "at ???";
    #my @caller = caller($Level);
    #return "at $caller[1] line $caller[2]";
}

# DON'T use this for matches. Use like() instead.
sub ok ($@) {
    my ($pass, $name, @mess) = @_;
    _ok($pass, _where(), $name, @mess);
}
####  
####  sub _q {
####      my $x = shift;
####      return 'undef' unless defined $x;
####      my $q = $x;
####      $q =~ s/\\/\\\\/g;
####      $q =~ s/'/\\'/g;
####      return "'$q'";
####  }
####  
sub _qq {
    my $x = shift;
    return defined $x ? '"' . $x . '"' : 'undef';
};

####  # keys are the codes \n etc map to, values are 2 char strings such as \n
####  my %backslash_escape;
####  foreach my $x (split //, 'nrtfa\\\'"') {
####      $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
####  }
####  # A way to display scalars containing control characters and Unicode.
####  # Trying to avoid setting $_, or relying on local $_ to work.

# WORKAROUND - lack of unpack
#sub display {
#    my @result;
#    foreach my $x (@_) {
#        if (defined $x and not ref $x) {
#            my $y = '';
#            foreach my $c (unpack("U*", $x)) {
#                if ($c > 255) {
#                    $y = $y . sprintf "\\x{%x}", $c;
#                } elsif ($backslash_escape{$c}) {
#                    $y = $y . $backslash_escape{$c};
#                } else {
#                    my $z = chr $c; # Maybe we can get away with a literal...
#                    if ($z =~ /[[:^print:]]/) {
#
#                        # Use octal for characters traditionally expressed as
#                        # such: the low controls
#                        if ($c <= 037) {
#                            $z = sprintf "\\%03o", $c;
#                        } else {
#                            $z = sprintf "\\x{%x}", $c;
#                        }
#                    }
#                    $y = $y . $z;
#                }
#            }
#            $x = $y;
#        }
#        return $x unless wantarray;
#        push @result, $x;
#    }
#    return @result;
#}

sub is ($$@) {
    my ($got, $expected, $name, @mess) = @_;

    my $pass;
    if( !defined $got || !defined $expected ) {
        # undef only matches undef
        $pass = !defined $got && !defined $expected;
    }
    else {
#        print "$got eq $expected\n";
        $pass = $got eq $expected;
    }

    unless ($pass) {
	unshift(@mess, "#      got "._qq($got)."\n",
		       "# expected "._qq($expected)."\n");
    }
    _ok($pass, _where(), $name, @mess);
}

sub isnt ($$@) {
    my ($got, $isnt, $name, @mess) = @_;

    my $pass;
    if( !defined $got || !defined $isnt ) {
        # undef only matches undef
        $pass = defined $got || defined $isnt;
    }
    else {
        $pass = $got ne $isnt;
    }

    unless( $pass ) {
        unshift(@mess, "# it should not be "._qq($got)."\n",
                       "# but it is.\n");
    }
    _ok($pass, _where(), $name, @mess);
}

sub cmp_ok ($$$@) {
    my($got, $type, $expected, $name, @mess) = @_;

    my $pass;
    {
        local $^W = 0;
        local($@,$!);   # don't interfere with $@
                        # eval() sometimes resets $!
        if ($type eq '==') {
            $pass = ($got == $expected);
        }
        elsif ($type eq 'eq') {
            $pass = ($got eq $expected);
        }
        elsif ($type eq '>=') {
            $pass = ($got >= $expected);
        }
        elsif ($type eq '<') {
            $pass = ($got < $expected);
        }
        else {
            die "cmp_ok - don't know what to do with type '$type'\n";
        }
    }
    #### unless ($pass) {
    ####     # It seems Irix long doubles can have 2147483648 and 2147483648
    ####     # that stringify to the same thing but are actually numerically
    ####     # different. Display the numbers if $type isn't a string operator,
    ####     # and the numbers are stringwise the same.
    ####     # (all string operators have alphabetic names, so tr/a-z// is true)
    ####     # This will also show numbers for some unneeded cases, but will
    ####     # definitely be helpful for things such as == and <= that fail
    ####     if ($got eq $expected and $type !~ tr/a-z//) {
    ####         unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
    ####     }
    ####     unshift(@mess, "#      got "._qq($got)."\n",
    ####                    "# expected $type "._qq($expected)."\n");
    #### }
    _ok($pass, _where(), $name, @mess);
}

# Check that $got is within $range of $expected
# if $range is 0, then check it's exact
# else if $expected is 0, then $range is an absolute value
# otherwise $range is a fractional error.
# Here $range must be numeric, >= 0
# Non numeric ranges might be a useful future extension. (eg %)
sub within ($$$@) {
    my ($got, $expected, $range, $name, @mess) = @_;
    my $pass;
    if (!defined $got or !defined $expected or !defined $range) {
        # This is a fail, but doesn't need extra diagnostics
####      } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
####          # This is a fail
####          unshift @mess, "# got, expected and range must be numeric\n";
    } elsif ($range < 0) {
        # This is also a fail
        unshift @mess, "# range must not be negative\n";
    } elsif ($range == 0) {
        # Within 0 is ==
        $pass = $got == $expected;
    } elsif ($expected == 0) {
        # If expected is 0, treat range as absolute
        $pass = ($got <= $range) && ($got >= - $range);
    } else {
        my $diff = $got - $expected;
        $pass = abs ($diff / $expected) < $range;
    }
    unless ($pass) {
        if ($got eq $expected) {
            unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
        }
	unshift@mess, "#      got "._qq($got)."\n",
		      "# expected "._qq($expected)." (within "._qq($range).")\n";
    }
    _ok($pass, _where(), $name, @mess);
}

# Note: this isn't quite as fancy as Test::More::like().

sub like   ($$@) { my ($x, $y) = (shift,shift); like_yn (0,$x,$y,@_) }; # 0 for -
sub unlike ($$@) { my ($x, $y) = (shift,shift); like_yn (1,$x,$y,@_) }; # 1 for un-

sub like_yn ($$$@) {
    my ($flip, undef, $expected, $name, @mess) = @_;
    my $pass;
    $pass = $_[1] =~ /$expected/ if !$flip;
    $pass = $_[1] !~ /$expected/ if $flip;
    unless ($pass) {
	unshift(@mess, "#      got '$_[1]'\n",
		$flip
		? "# expected !~ /$expected/\n" : "# expected /$expected/\n");
    }
    local $Level = $Level + 1;
    _ok($pass, _where(), $name, @mess);
}

sub pass {
    _ok(1, '', @_);
}

sub fail {
    _ok(0, _where(), @_);
}

sub curr_test {
    $test = shift if @_;
    return $test;
}

sub next_test {
  my $retval = $test;
  $test = $test + 1; # don't use ++
  $retval;
}

# Note: can't pass multipart messages since we try to
# be compatible with Test::More::skip().
sub skip {
    my $why = shift;
    my $n    = @_ ? shift : 1;
    for (1..$n) {
        _print "ok $test # skip $why\n";
        $test = $test + 1;
    }
    local $^W = 0;
    last SKIP;
}

sub skip_if_miniperl {
    skip(@_) if is_miniperl();
}
 
sub todo_skip {
    my $why = shift;
    my $n   = @_ ? shift : 1;

    for (1..$n) {
        _print "not ok $test # TODO & SKIP $why\n";
        $test = $test + 1;
    }
    local $^W = 0;
    last TODO;
}

sub eq_array {
    my ($ra, $rb) = @_;
    return 0 unless $#$ra == $#$rb;
    for my $i (0..$#$ra) {
	next     if !defined $ra->[$i] && !defined $rb->[$i];
	return 0 if !defined $ra->[$i];
	return 0 if !defined $rb->[$i];
	return 0 unless $ra->[$i] eq $rb->[$i];
    }
    return 1;
}

sub eq_hash {
  my ($orig, $suspect) = @_;
  my $fail;
  while (my ($key, $value) = each %$suspect) {
    # Force a hash recompute if this perl's internals can cache the hash key.
    $key = "" . $key;
    if (exists $orig->{$key}) {
      if ($orig->{$key} ne $value) {
        _print "# key ", _qq($key), " was ", _qq($orig->{$key}),
                     " now ", _qq($value), "\n";
        $fail = 1;
      }
    } else {
      _print "# key ", _qq($key), " is ", _qq($value),
                   ", not in original.\n";
      $fail = 1;
    }
  }
  foreach (keys %$orig) {
    # Force a hash recompute if this perl's internals can cache the hash key.
    $_ = "" . $_;
    next if (exists $suspect->{$_});
    _print "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
    $fail = 1;
  }
  !$fail;
}

####  # We only provide a subset of the Test::More functionality.
####  sub require_ok ($) {
####      my ($require) = @_;
####      if ($require =~ tr/[A-Za-z0-9:.]//c) {
####  	fail("Invalid character in \"$require\", passed to require_ok");
####      } else {
####  	eval <<REQUIRE_OK;
####  require $require;
####  REQUIRE_OK
####  	is($@, '', _where(), "require $require");
####      }
####  }
####  
####  sub use_ok ($) {
####      my ($use) = @_;
####      if ($use =~ tr/[A-Za-z0-9:.]//c) {
####  	fail("Invalid character in \"$use\", passed to use");
####      } else {
####  	eval <<USE_OK;
####  use $use;
####  USE_OK
####  	is($@, '', _where(), "use $use");
####      }
####  }
####  
####  # runperl - Runs a separate perl interpreter.
####  # Arguments :
####  #   switches => [ command-line switches ]
####  #   nolib    => 1 # don't use -I../lib (included by default)
####  #   non_portable => Don't warn if a one liner contains quotes
####  #   prog     => one-liner (avoid quotes)
####  #   progs    => [ multi-liner (avoid quotes) ]
####  #   progfile => perl script
####  #   stdin    => string to feed the stdin
####  #   stderr   => redirect stderr to stdout
####  #   args     => [ command-line arguments to the perl program ]
####  #   verbose  => print the command line
####  
####  my $is_mswin    = $^O eq 'MSWin32';
####  my $is_netware  = $^O eq 'NetWare';
####  my $is_vms      = $^O eq 'VMS';
####  my $is_cygwin   = $^O eq 'cygwin';
####  
####  sub _quote_args {
####      my ($runperl, $args) = @_;
####  
####      foreach (@$args) {
####  	# In VMS protect with doublequotes because otherwise
####  	# DCL will lowercase -- unless already doublequoted.
####         $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
####         $runperl = $runperl . ' ' . $_;
####      }
####      return $runperl;
####  }
####  
####  sub _create_runperl { # Create the string to qx in runperl().
####      my %args = @_;
####      my $runperl = which_perl();
####      if ($runperl =~ m/\s/) {
####          $runperl = qq{"$runperl"};
####      }
####      #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
####      if ($ENV{PERL_RUNPERL_DEBUG}) {
####  	$runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
####      }
####      unless ($args{nolib}) {
####  	$runperl = $runperl . ' "-I../lib"'; # doublequotes because of VMS
####      }
####      if ($args{switches}) {
####  	local $Level = 2;
####  	die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
####  	    unless ref $args{switches} eq "ARRAY";
####  	$runperl = _quote_args($runperl, $args{switches});
####      }
####      if (defined $args{prog}) {
####  	die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
####  	    if defined $args{progs};
####          $args{progs} = [$args{prog}]
####      }
####      if (defined $args{progs}) {
####  	die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
####  	    unless ref $args{progs} eq "ARRAY";
####          foreach my $prog (@{$args{progs}}) {
####  	    if ($prog =~ tr/'"// && !$args{non_portable}) {
####  		warn "quotes in prog >>$prog<< are not portable";
####  	    }
####              if ($is_mswin || $is_netware || $is_vms) {
####                  $runperl = $runperl . qq ( -e "$prog" );
####              }
####              else {
####                  $runperl = $runperl . qq ( -e '$prog' );
####              }
####          }
####      } elsif (defined $args{progfile}) {
####  	$runperl = $runperl . qq( "$args{progfile}");
####      } else {
####  	# You probably didn't want to be sucking in from the upstream stdin
####  	die "test.pl:runperl(): none of prog, progs, progfile, args, "
####  	    . " switches or stdin specified"
####  	    unless defined $args{args} or defined $args{switches}
####  		or defined $args{stdin};
####      }
####      if (defined $args{stdin}) {
####  	# so we don't try to put literal newlines and crs onto the
####  	# command line.
####  	$args{stdin} =~ s/\n/\\n/g;
####  	$args{stdin} =~ s/\r/\\r/g;
####  
####  	if ($is_mswin || $is_netware || $is_vms) {
####  	    $runperl = qq{$Perl -e "print qq(} .
####  		$args{stdin} . q{)" | } . $runperl;
####  	}
####  	else {
####  	    $runperl = qq{$Perl -e 'print qq(} .
####  		$args{stdin} . q{)' | } . $runperl;
####  	}
####      }
####      if (defined $args{args}) {
####  	$runperl = _quote_args($runperl, $args{args});
####      }
####      $runperl = $runperl . ' 2>&1' if $args{stderr};
####      if ($args{verbose}) {
####  	my $runperldisplay = $runperl;
####  	$runperldisplay =~ s/\n/\n\#/g;
####  	_print_stderr "# $runperldisplay\n";
####      }
####      return $runperl;
####  }
####  
####  sub runperl {
####      die "test.pl:runperl() does not take a hashref"
####  	if ref $_[0] and ref $_[0] eq 'HASH';
####      my $runperl = &_create_runperl;
####      my $result;
####  
####      my $tainted = ${^TAINT};
####      my %args = @_;
####      exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
####  
####      if ($tainted) {
####  	# We will assume that if you're running under -T, you really mean to
####  	# run a fresh perl, so we'll brute force launder everything for you
####  	my $sep;
####  
####  	if (! eval {require Config; 1}) {
####  	    warn "test.pl had problems loading Config: $@";
####  	    $sep = ':';
####  	} else {
####  	    $sep = $Config::Config{path_sep};
####  	}
####  
####  	my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
####  	local @ENV{@keys} = ();
####  	# Untaint, plus take out . and empty string:
####  	local $ENV{'DCL$PATH'} = $1 if $is_vms && exists($ENV{'DCL$PATH'}) && ($ENV{'DCL$PATH'} =~ /(.*)/s);
####  	$ENV{PATH} =~ /(.*)/s;
####  	local $ENV{PATH} =
####  	    join $sep, grep { $_ ne "" and $_ ne "." and -d $_ and
####  		($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
####  		    split quotemeta ($sep), $1;
####  	if ($is_cygwin) {   # Must have /bin under Cygwin
####  	    if (length $ENV{PATH}) {
####  		$ENV{PATH} = $ENV{PATH} . $sep;
####  	    }
####  	    $ENV{PATH} = $ENV{PATH} . '/bin';
####  	}
####  	$runperl =~ /(.*)/s;
####  	$runperl = $1;
####  
####  	$result = `$runperl`;
####      } else {
####  	$result = `$runperl`;
####      }
####      $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
####      return $result;
####  }
####  
####  # Nice alias
####  *run_perl = *run_perl = \&runperl; # shut up "used only once" warning
####  
####  sub DIE {
####      _print_stderr "# @_\n";
####      exit 1;
####  }
####  
####  # A somewhat safer version of the sometimes wrong $^X.
####  sub which_perl {
####      unless (defined $Perl) {
####  	$Perl = $^X;
####  
####  	# VMS should have 'perl' aliased properly
####  	return $Perl if $is_vms;
####  
####  	my $exe;
####  	if (! eval {require Config; 1}) {
####  	    warn "test.pl had problems loading Config: $@";
####  	    $exe = '';
####  	} else {
####  	    $exe = $Config::Config{_exe};
####  	}
####         $exe = '' unless defined $exe;
####  
####  	# This doesn't absolutize the path: beware of future chdirs().
####  	# We could do File::Spec->abs2rel() but that does getcwd()s,
####  	# which is a bit heavyweight to do here.
####  
####  	if ($Perl =~ /^perl\Q$exe\E$/i) {
####  	    my $perl = "perl$exe";
####  	    if (! eval {require File::Spec; 1}) {
####  		warn "test.pl had problems loading File::Spec: $@";
####  		$Perl = "./$perl";
####  	    } else {
####  		$Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
####  	    }
####  	}
####  
####  	# Build up the name of the executable file from the name of
####  	# the command.
####  
####  	if ($Perl !~ /\Q$exe\E$/i) {
####  	    $Perl = $Perl . $exe;
####  	}
####  
####  	warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
####  
####  	# For subcommands to use.
####  	$ENV{PERLEXE} = $Perl;
####      }
####      return $Perl;
####  }
####  
####  sub unlink_all {
####      my $count = 0;
####      foreach my $file (@_) {
####          1 while unlink $file;
####  	if( -f $file ){
####  	    _print_stderr "# Couldn't unlink '$file': $!\n";
####  	}else{
####  	    ++$count;
####  	}
####      }
####      $count;
####  }
####  
####  my %tmpfiles;
####  END { unlink_all keys %tmpfiles }
####  
####  # A regexp that matches the tempfile names
####  $::tempfile_regexp = 'tmp\d+[A-Z][A-Z]?';
####  
####  # Avoid ++, avoid ranges, avoid split //
####  my @letters = qw(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z);
####  sub tempfile {
####      my $count = 0;
####      do {
####  	my $temp = $count;
####  	my $try = "tmp$$";
####  	do {
####  	    $try = $try . $letters[$temp % 26];
####  	    $temp = int ($temp / 26);
####  	} while $temp;
####  	# Need to note all the file names we allocated, as a second request may
####  	# come before the first is created.
####  	if (!-e $try && !$tmpfiles{$try}) {
####  	    # We have a winner
####  	    $tmpfiles{$try} = 1;
####  	    return $try;
####  	}
####  	$count = $count + 1;
####      } while $count < 26 * 26;
####      die "Can't find temporary file name starting 'tmp$$'";
####  }
####  
####  # This is the temporary file for _fresh_perl
####  my $tmpfile = tempfile();
####  
####  sub _fresh_perl {
####      my($prog, $action, $expect, $runperl_args, $name) = @_;
####  
####      # Given the choice of the mis-parsable {}
####      # (we want an anon hash, but a borked lexer might think that it's a block)
####      # or relying on taking a reference to a lexical
####      # (\ might be mis-parsed, and the reference counting on the pad may go
####      #  awry)
####      # it feels like the least-worse thing is to assume that auto-vivification
####      # works. At least, this is only going to be a run-time failure, so won't
####      # affect tests using this file but not this function.
####      $runperl_args->{progfile} = $tmpfile;
####      $runperl_args->{stderr} = 1;
####  
####      open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
####  
####      # VMS adjustments
####      if( $is_vms ) {
####          $prog =~ s#/dev/null#NL:#;
####  
####          # VMS file locking
####          $prog =~ s{if \(-e _ and -f _ and -r _\)}
####                    {if (-e _ and -f _)}
####      }
####  
####      print TEST $prog;
####      close TEST or die "Cannot close $tmpfile: $!";
####  
####      my $results = runperl(%$runperl_args);
####      my $status = $?;
####  
####      # Clean up the results into something a bit more predictable.
####      $results  =~ s/\n+$//;
####      $results =~ s/at\s+$::tempfile_regexp\s+line/at - line/g;
####      $results =~ s/of\s+$::tempfile_regexp\s+aborted/of - aborted/g;
####  
####      # bison says 'parse error' instead of 'syntax error',
####      # various yaccs may or may not capitalize 'syntax'.
####      $results =~ s/^(syntax|parse) error/syntax error/mig;
####  
####      if ($is_vms) {
####          # some tests will trigger VMS messages that won't be expected
####          $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
####  
####          # pipes double these sometimes
####          $results =~ s/\n\n/\n/g;
####      }
####  
####      # Use the first line of the program as a name if none was given
####      unless( $name ) {
####          ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
####          $name = $name . '...' if length $first_line > length $name;
####      }
####  
####      # Historically this was implemented using a closure, but then that means
####      # that the tests for closures avoid using this code. Given that there
####      # are exactly two callers, doing exactly two things, the simpler approach
####      # feels like a better trade off.
####      my $pass;
####      if ($action eq 'eq') {
####  	$pass = is($results, $expect, $name);
####      } elsif ($action eq '=~') {
####  	$pass = like($results, $expect, $name);
####      } else {
####  	die "_fresh_perl can't process action '$action'";
####      }
####  	
####      unless ($pass) {
####          _diag "# PROG: \n$prog\n";
####          _diag "# STATUS: $status\n";
####      }
####  
####      return $pass;
####  }
####  
####  #
####  # fresh_perl_is
####  #
####  # Combination of run_perl() and is().
####  #
####  
####  sub fresh_perl_is {
####      my($prog, $expected, $runperl_args, $name) = @_;
####  
####      # _fresh_perl() is going to clip the trailing newlines off the result.
####      # This will make it so the test author doesn't have to know that.
####      $expected =~ s/\n+$//;
####  
####      local $Level = 2;
####      _fresh_perl($prog, 'eq', $expected, $runperl_args, $name);
####  }
####  
####  #
####  # fresh_perl_like
####  #
####  # Combination of run_perl() and like().
####  #
####  
####  sub fresh_perl_like {
####      my($prog, $expected, $runperl_args, $name) = @_;
####      local $Level = 2;
####      _fresh_perl($prog, '=~', $expected, $runperl_args, $name);
####  }
####  
####  # Many tests use the same format in __DATA__ or external files to specify a
####  # sequence of (fresh) tests to run, extra files they may temporarily need, and
####  # what the expected output is. So have excatly one copy of the code to run that
####  
####  sub run_multiple_progs {
####      my $up = shift;
####      my @prgs;
####      if ($up) {
####  	# The tests in lib run in a temporary subdirectory of t, and always
####  	# pass in a list of "programs" to run
####  	@prgs = @_;
####      } else {
####  	# The tests below t run in t and pass in a file handle.
####  	my $fh = shift;
####  	local $/;
####  	@prgs = split "\n########\n", <$fh>;
####      }
####  
####      my $tmpfile = tempfile();
####  
####      for (@prgs){
####  	unless (/\n/) {
####  	    print "# From $_\n";
####  	    next;
####  	}
####  	my $switch = "";
####  	my @temps ;
####  	my @temp_path;
####  	if (s/^(\s*-\w+)//) {
####  	    $switch = $1;
####  	}
####  	my ($prog, $expected) = split(/\nEXPECT(?:\n|$)/, $_, 2);
####  
####  	my %reason;
####  	foreach my $what (qw(skip todo)) {
####  	    $prog =~ s/^#\s*\U$what\E\s*(.*)\n//m and $reason{$what} = $1;
####  	    # If the SKIP reason starts ? then it's taken as a code snippet to
####  	    # evaluate. This provides the flexibility to have conditional SKIPs
####  	    if ($reason{$what} && $reason{$what} =~ s/^\?//) {
####  		my $temp = eval $reason{$what};
####  		if ($@) {
####  		    die "# In \U$what\E code reason:\n# $reason{$what}\n$@";
####  		}
####  		$reason{$what} = $temp;
####  	    }
####  	}
####  
####  	if ($prog =~ /--FILE--/) {
####  	    my @files = split(/\n--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
####  	    shift @files ;
####  	    die "Internal error: test $_ didn't split into pairs, got " .
####  		scalar(@files) . "[" . join("%%%%", @files) ."]\n"
####  		    if @files % 2;
####  	    while (@files > 2) {
####  		my $filename = shift @files;
####  		my $code = shift @files;
####  		push @temps, $filename;
####  		if ($filename =~ m#(.*)/# && $filename !~ m#^\.\./#) {
####  		    require File::Path;
####  		    File::Path::mkpath($1);
####  		    push(@temp_path, $1);
####  		}
####  		open my $fh, '>', $filename or die "Cannot open $filename: $!\n";
####  		print $fh $code;
####  		close $fh or die "Cannot close $filename: $!\n";
####  	    }
####  	    shift @files;
####  	    $prog = shift @files;
####  	}
####  
####  	open my $fh, '>', $tmpfile or die "Cannot open >$tmpfile: $!";
####  	print $fh q{
####          BEGIN {
####              open STDERR, '>&', STDOUT
####                or die "Can't dup STDOUT->STDERR: $!;";
####          }
####  	};
####  	print $fh "\n#line 1\n";  # So the line numbers don't get messed up.
####  	print $fh $prog,"\n";
####  	close $fh or die "Cannot close $tmpfile: $!";
####  	my $results = runperl( stderr => 1, progfile => $tmpfile, $up
####  			       ? (switches => ["-I$up/lib", $switch], nolib => 1)
####  			       : (switches => [$switch])
####  			        );
####  	my $status = $?;
####  	$results =~ s/\n+$//;
####  	# allow expected output to be written as if $prog is on STDIN
####  	$results =~ s/$::tempfile_regexp/-/g;
####  	if ($^O eq 'VMS') {
####  	    # some tests will trigger VMS messages that won't be expected
####  	    $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
####  
####  	    # pipes double these sometimes
####  	    $results =~ s/\n\n/\n/g;
####  	}
####  	# bison says 'parse error' instead of 'syntax error',
####  	# various yaccs may or may not capitalize 'syntax'.
####  	$results =~ s/^(syntax|parse) error/syntax error/mig;
####  	# allow all tests to run when there are leaks
####  	$results =~ s/Scalars leaked: \d+\n//g;
####  
####  	$expected =~ s/\n+$//;
####  	my $prefix = ($results =~ s#^PREFIX(\n|$)##) ;
####  	# any special options? (OPTIONS foo bar zap)
####  	my $option_regex = 0;
####  	my $option_random = 0;
####  	if ($expected =~ s/^OPTIONS? (.+)\n//) {
####  	    foreach my $option (split(' ', $1)) {
####  		if ($option eq 'regex') { # allow regular expressions
####  		    $option_regex = 1;
####  		}
####  		elsif ($option eq 'random') { # all lines match, but in any order
####  		    $option_random = 1;
####  		}
####  		else {
####  		    die "$0: Unknown OPTION '$option'\n";
####  		}
####  	    }
####  	}
####  	die "$0: can't have OPTION regex and random\n"
####  	    if $option_regex + $option_random > 1;
####  	my $ok = 0;
####  	if ($results =~ s/^SKIPPED\n//) {
####  	    print "$results\n" ;
####  	    $ok = 1;
####  	}
####  	elsif ($option_random) {
####  	    my @got = sort split "\n", $results;
####  	    my @expected = sort split "\n", $expected;
####  
####  	    $ok = "@got" eq "@expected";
####  	}
####  	elsif ($option_regex) {
####  	    $ok = $results =~ /^$expected/;
####  	}
####  	elsif ($prefix) {
####  	    $ok = $results =~ /^\Q$expected/;
####  	}
####  	else {
####  	    $ok = $results eq $expected;
####  	}
####  
####  	local $::TODO = $reason{todo};
####  
####  	unless ($ok) {
####  	    my $err_line = "PROG: $switch\n$prog\n" .
####  			   "EXPECTED:\n$expected\n" .
####  			   "GOT:\n$results\n";
####  	    if ($::TODO) {
####  		$err_line =~ s/^/# /mg;
####  		print $err_line;  # Harness can't filter it out from STDERR.
####  	    }
####  	    else {
####  		print STDERR $err_line;
####  	    }
####  	}
####  
####  	ok($ok);
####  
####  	foreach (@temps) {
####  	    unlink $_ if $_;
####  	}
####  	foreach (@temp_path) {
####  	    File::Path::rmtree $_ if -d $_;
####  	}
####      }
####  }
####  
####  sub can_ok ($@) {
####      my($proto, @methods) = @_;
####      my $class = ref $proto || $proto;
####  
####      unless( @methods ) {
####          return _ok( 0, _where(), "$class->can(...)" );
####      }
####  
####      my @nok = ();
####      foreach my $method (@methods) {
####          local($!, $@);  # don't interfere with caller's $@
####                          # eval sometimes resets $!
####          eval { $proto->can($method) } || push @nok, $method;
####      }
####  
####      my $name;
####      $name = @methods == 1 ? "$class->can('$methods[0]')"
####                            : "$class->can(...)";
####  
####      _ok( !@nok, _where(), $name );
####  }
####  
####  
####  # Call $class->new( @$args ); and run the result through isa_ok.
####  # See Test::More::new_ok
####  sub new_ok {
####      my($class, $args, $obj_name) = @_;
####      $args ||= [];
####      $object_name = "The object" unless defined $obj_name;
####  
####      local $Level = $Level + 1;
####  
####      my $obj;
####      my $ok = eval { $obj = $class->new(@$args); 1 };
####      my $error = $@;
####  
####      if($ok) {
####          isa_ok($obj, $class, $object_name);
####      }
####      else {
####          ok( 0, "new() died" );
####          diag("Error was:  $@");
####      }
####  
####      return $obj;
####  
####  }
####  
####  
sub isa_ok ($$;$) {
    my($object, $class, $obj_name) = @_;

    my $diag;
    $obj_name = 'The object' unless defined $obj_name;
    my $name = "$obj_name isa $class";
    if( !defined $object ) {
        $diag = "$obj_name isn't defined";
    }
    elsif( !ref $object ) {
        $diag = "$obj_name isn't a reference";
    }
    else {
        # We can't use UNIVERSAL::isa because we want to honor isa() overrides
        local($@, $!);  # eval sometimes resets $!
        my $rslt = eval { $object->isa($class) };
        if( $@ ) {
            if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
                if( !UNIVERSAL::isa($object, $class) ) {
                    my $ref = ref $object;
                    $diag = "$obj_name isn't a '$class' it's a '$ref'";
                }
            } else {
                die <<WHOA;
WHOA! I tried to call ->isa on your object and got some weird error.
This should never happen.  Please contact the author immediately.
Here's the error.
$@
WHOA
            }
        }
        elsif( !$rslt ) {
            my $ref = ref $object;
            $diag = "$obj_name isn't a '$class' it's a '$ref'";
        }
    }

    _ok( !$diag, _where(), $name );
}

# Purposefully avoiding a closure.
sub __capture {
    push @::__capture, join "", @_;
}
    
sub capture_warnings {
    my $code = shift;

    local @::__capture;
    local $SIG {__WARN__} = \&__capture;
    &$code;
    return @::__capture;
}

# This will generate a variable number of tests.
# Use done_testing() instead of a fixed plan.
sub warnings_like {
    my ($code, $expect, $name) = @_;
    local $Level = $Level + 1;

    my @w = capture_warnings($code);

    cmp_ok(scalar @w, '==', scalar @$expect, $name);
    foreach my $e (@$expect) {
	if (ref $e) {
	    like(shift @w, $e, $name);
	} else {
	    is(shift @w, $e, $name);
	}
    }
    if (@w) {
	diag("Saw these additional warnings:");
	diag($_) foreach @w;
    }
}

sub _fail_excess_warnings {
    my($expect, $got, $name) = @_;
    local $Level = $Level + 1;
    # This will fail, and produce diagnostics
    is($expect, scalar @$got, $name);
    diag("Saw these warnings:");
    diag($_) foreach @$got;
}

sub warning_is {
    my ($code, $expect, $name) = @_;
    die sprintf "Expect must be a string or undef, not a %s reference", ref $expect
	if ref $expect;
    local $Level = $Level + 1;
    my @w = capture_warnings($code);
    if (@w > 1) {
	_fail_excess_warnings(0 + defined $expect, \@w, $name);
    } else {
	is($w[0], $expect, $name);
    }
}

sub warning_like {
    my ($code, $expect, $name) = @_;
    die sprintf "Expect must be a regexp object"
	unless ref $expect eq 'Regexp';
    local $Level = $Level + 1;
    my @w = capture_warnings($code);
    if (@w > 1) {
	_fail_excess_warnings(0 + defined $expect, \@w, $name);
    } else {
	like($w[0], $expect, $name);
    }
}

####  # Set a watchdog to timeout the entire test file
####  # NOTE:  If the test file uses 'threads', then call the watchdog() function
####  #        _AFTER_ the 'threads' module is loaded.
####  sub watchdog ($;$)
####  {
####      my $timeout = shift;
####      my $method  = shift || "";
####      my $timeout_msg = 'Test process timed out - terminating';
####  
####      # Valgrind slows perl way down so give it more time before dying.
####      $timeout *= 10 if $ENV{PERL_VALGRIND};
####  
####      my $pid_to_kill = $$;   # PID for this process
####  
####      if ($method eq "alarm") {
####          goto WATCHDOG_VIA_ALARM;
####      }
####  
####      # shut up use only once warning
####      my $threads_on = $threads::threads && $threads::threads;
####  
####      # Don't use a watchdog process if 'threads' is loaded -
####      #   use a watchdog thread instead
####      if (!$threads_on) {
####  
####          # On Windows and VMS, try launching a watchdog process
####          #   using system(1, ...) (see perlport.pod)
####          if ($is_mswin || $is_vms) {
####              # On Windows, try to get the 'real' PID
####              if ($is_mswin) {
####                  eval { require Win32; };
####                  if (defined(&Win32::GetCurrentProcessId)) {
####                      $pid_to_kill = Win32::GetCurrentProcessId();
####                  }
####              }
####  
####              # If we still have a fake PID, we can't use this method at all
####              return if ($pid_to_kill <= 0);
####  
####              # Launch watchdog process
####              my $watchdog;
####              eval {
####                  local $SIG{'__WARN__'} = sub {
####                      _diag("Watchdog warning: $_[0]");
####                  };
####                  my $sig = $is_vms ? 'TERM' : 'KILL';
####                  my $cmd = _create_runperl( prog =>  "sleep($timeout);" .
####                                                      "warn qq/# $timeout_msg" . '\n/;' .
####                                                      "kill($sig, $pid_to_kill);");
####                  $watchdog = system(1, $cmd);
####              };
####              if ($@ || ($watchdog <= 0)) {
####                  _diag('Failed to start watchdog');
####                  _diag($@) if $@;
####                  undef($watchdog);
####                  return;
####              }
####  
####              # Add END block to parent to terminate and
####              #   clean up watchdog process
####              eval "END { local \$! = 0; local \$? = 0;
####                          wait() if kill('KILL', $watchdog); };";
####              return;
####          }
####  
####          # Try using fork() to generate a watchdog process
####          my $watchdog;
####          eval { $watchdog = fork() };
####          if (defined($watchdog)) {
####              if ($watchdog) {   # Parent process
####                  # Add END block to parent to terminate and
####                  #   clean up watchdog process
####                  eval "END { local \$! = 0; local \$? = 0;
####                              wait() if kill('KILL', $watchdog); };";
####                  return;
####              }
####  
####              ### Watchdog process code
####  
####              # Load POSIX if available
####              eval { require POSIX; };
####  
####              # Execute the timeout
####              sleep($timeout - 2) if ($timeout > 2);   # Workaround for perlbug #49073
####              sleep(2);
####  
####              # Kill test process if still running
####              if (kill(0, $pid_to_kill)) {
####                  _diag($timeout_msg);
####                  kill('KILL', $pid_to_kill);
####              }
####  
####              # Don't execute END block (added at beginning of this file)
####              $NO_ENDING = 1;
####  
####              # Terminate ourself (i.e., the watchdog)
####              POSIX::_exit(1) if (defined(&POSIX::_exit));
####              exit(1);
####          }
####  
####          # fork() failed - fall through and try using a thread
####      }
####  
####      # Use a watchdog thread because either 'threads' is loaded,
####      #   or fork() failed
####      if (eval {require threads; 1}) {
####          'threads'->create(sub {
####                  # Load POSIX if available
####                  eval { require POSIX; };
####  
####                  # Execute the timeout
####                  my $time_left = $timeout;
####                  do {
####                      $time_left = $time_left - sleep($time_left);
####                  } while ($time_left > 0);
####  
####                  # Kill the parent (and ourself)
####                  select(STDERR); $| = 1;
####                  _diag($timeout_msg);
####                  POSIX::_exit(1) if (defined(&POSIX::_exit));
####                  my $sig = $is_vms ? 'TERM' : 'KILL';
####                  kill($sig, $pid_to_kill);
####              })->detach();
####          return;
####      }
####  
####      # If everything above fails, then just use an alarm timeout
####  WATCHDOG_VIA_ALARM:
####      if (eval { alarm($timeout); 1; }) {
####          # Load POSIX if available
####          eval { require POSIX; };
####  
####          # Alarm handler will do the actual 'killing'
####          $SIG{'ALRM'} = sub {
####              select(STDERR); $| = 1;
####              _diag($timeout_msg);
####              POSIX::_exit(1) if (defined(&POSIX::_exit));
####              my $sig = $is_vms ? 'TERM' : 'KILL';
####              kill($sig, $pid_to_kill);
####          };
####      }
####  }
####  
####  my $cp_0037 =   # EBCDIC code page 0037
####      '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x25\x0B\x0C\x0D\x0E\x0F' .
####      '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
####      '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
####      '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
####      '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
####      '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBA\xE0\xBB\xB0\x6D' .
####      '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
####      '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
####      '\x20\x21\x22\x23\x24\x15\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
####      '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
####      '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBD\xB4\x9A\x8A\x5F\xCA\xAF\xBC' .
####      '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
####      '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
####      '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xAD\xAE\x59' .
####      '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
####      '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
####  
####  my $cp_1047 =   # EBCDIC code page 1047
####      '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x15\x0B\x0C\x0D\x0E\x0F' .
####      '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
####      '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
####      '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
####      '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
####      '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xAD\xE0\xBD\x5F\x6D' .
####      '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
####      '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
####      '\x20\x21\x22\x23\x24\x25\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
####      '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
####      '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBB\xB4\x9A\x8A\xB0\xCA\xAF\xBC' .
####      '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
####      '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
####      '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xBA\xAE\x59' .
####      '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
####      '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
####  
####  my $cp_bc = # EBCDIC code page POSiX-BC
####      '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x15\x0B\x0C\x0D\x0E\x0F' .
####      '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
####      '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
####      '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
####      '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
####      '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBB\xBC\xBD\x6A\x6D' .
####      '\x4A\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
####      '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xFB\x4F\xFD\xFF\x07' .
####      '\x20\x21\x22\x23\x24\x25\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
####      '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\x5F' .
####      '\x41\xAA\xB0\xB1\x9F\xB2\xD0\xB5\x79\xB4\x9A\x8A\xBA\xCA\xAF\xA1' .
####      '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
####      '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
####      '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xE0\xFE\xDD\xFC\xAD\xAE\x59' .
####      '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
####      '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xC0\xDE\xDB\xDC\x8D\x8E\xDF';
####  
####  my $straight =  # Avoid ranges
####      '\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F' .
####      '\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F' .
####      '\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F' .
####      '\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3A\x3B\x3C\x3D\x3E\x3F' .
####      '\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F' .
####      '\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5A\x5B\x5C\x5D\x5E\x5F' .
####      '\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A\x6B\x6C\x6D\x6E\x6F' .
####      '\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A\x7B\x7C\x7D\x7E\x7F' .
####      '\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F' .
####      '\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F' .
####      '\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF' .
####      '\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF' .
####      '\xC0\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xCB\xCC\xCD\xCE\xCF' .
####      '\xD0\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xDB\xDC\xDD\xDE\xDF' .
####      '\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF' .
####      '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF';
####  
####  # The following 2 functions allow tests to work on both EBCDIC and
####  # ASCII-ish platforms.  They convert string scalars between the native
####  # character set and the set of 256 characters which is usually called
####  # Latin1.
####  #
####  # These routines don't work on UTF-EBCDIC and UTF-8.
####  
####  sub native_to_latin1($) {
####      my $string = shift;
####  
####      return $string if ord('^') == 94;   # ASCII, Latin1
####      my $cp;
####      if (ord('^') == 95) {    # EBCDIC 1047
####          $cp = \$cp_1047;
####      }
####      elsif (ord('^') == 106) {   # EBCDIC POSIX-BC
####          $cp = \$cp_bc;
####      }
####      elsif (ord('^') == 176)  {   # EBCDIC 037 */
####          $cp = \$cp_0037;
####      }
####      else {
####          die "Unknown native character set";
####      }
####  
####      eval '$string =~ tr/' . $$cp . '/' . $straight . '/';
####      return $string;
####  }
####  
#### sub latin1_to_native($) {
####     my $string = shift;
#### 
####     return $string if ord('^') == 94;   # ASCII, Latin1
####     my $cp;
####     if (ord('^') == 95) {    # EBCDIC 1047
####         $cp = \$cp_1047;
####     }
####     elsif (ord('^') == 106) {   # EBCDIC POSIX-BC
####         $cp = \$cp_bc;
####     }
####     elsif (ord('^') == 176)  {   # EBCDIC 037 */
####         $cp = \$cp_0037;
####     }
####     else {
####         die "Unknown native character set";
####     }
#### 
####     eval '$string =~ tr/' . $straight . '/' . $$cp . '/';
####     return $string;
#### }
#### 
####  sub ord_latin1_to_native {
####      # given an input code point, return the platform's native
####      # equivalent value.  Anything above latin1 is itself.
####  
####      my $ord = shift;
####      return $ord if $ord > 255;
####      return ord latin1_to_native(chr $ord);
####  }
####  
####  sub ord_native_to_latin1 {
####      # given an input platform code point, return the latin1 equivalent value.
####      # Anything above latin1 is itself.
####  
####      my $ord = shift;
####      return $ord if $ord > 255;
####      return ord native_to_latin1(chr $ord);
####  }

1;
