[perl5.git] / t / lib / odbm.t

#!./perl

# $RCSfile: dbm.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:43 $

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
    require Config; import Config;
    if ($Config{'extensions'} !~ /\bODBM_File\b/) {
	print "1..0 # Skip: ODBM_File was not built\n";
	exit 0;
    }
}

use strict;
use warnings;

sub ok
{
    my $no = shift ;
    my $result = shift ;

    print "not " unless $result ;
    print "ok $no\n" ;
}

require ODBM_File;
#If Fcntl is not available, try 0x202 or 0x102 for O_RDWR|O_CREAT
use Fcntl;

print "1..66\n";

unlink <Op.dbmx*>;

umask(0);
my %h;
ok(1, tie(%h,'ODBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640));

my $Dfile = "Op.dbmx.pag";
if (! -e $Dfile) {
	($Dfile) = <Op.dbmx*>;
}
if ($^O eq 'amigaos' || $^O eq 'os2' || $^O eq 'MSWin32') {
    print "ok 2 # Skipped: different file permission semantics\n";
}
else {
    my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat($Dfile);
    print (($mode & 0777) == 0640 ? "ok 2\n" : "not ok 2\n");
}
my $i = 0;
while (my ($key,$value) = each(%h)) {
    $i++;
}
print (!$i ? "ok 3\n" : "not ok 3\n");

$h{'goner1'} = 'snork';

$h{'abc'} = 'ABC';
$h{'def'} = 'DEF';
$h{'jkl','mno'} = "JKL\034MNO";
$h{'a',2,3,4,5} = join("\034",'A',2,3,4,5);
$h{'a'} = 'A';
$h{'b'} = 'B';
$h{'c'} = 'C';
$h{'d'} = 'D';
$h{'e'} = 'E';
$h{'f'} = 'F';
$h{'g'} = 'G';
$h{'h'} = 'H';
$h{'i'} = 'I';

$h{'goner2'} = 'snork';
delete $h{'goner2'};

untie(%h);
print (tie(%h,'ODBM_File','Op.dbmx', O_RDWR, 0640) ? "ok 4\n" : "not ok 4\n");

$h{'j'} = 'J';
$h{'k'} = 'K';
$h{'l'} = 'L';
$h{'m'} = 'M';
$h{'n'} = 'N';
$h{'o'} = 'O';
$h{'p'} = 'P';
$h{'q'} = 'Q';
$h{'r'} = 'R';
$h{'s'} = 'S';
$h{'t'} = 'T';
$h{'u'} = 'U';
$h{'v'} = 'V';
$h{'w'} = 'W';
$h{'x'} = 'X';
$h{'y'} = 'Y';
$h{'z'} = 'Z';

$h{'goner3'} = 'snork';

delete $h{'goner1'};
delete $h{'goner3'};

my @keys = keys(%h);
my @values = values(%h);

if ($#keys == 29 && $#values == 29) {print "ok 5\n";} else {print "not ok 5\n";}

while (my ($key,$value) = each(%h)) {
    if ($key eq $keys[$i] && $value eq $values[$i] && $key eq lc($value)) {
	$key =~ y/a-z/A-Z/;
	$i++ if $key eq $value;
    }
}

if ($i == 30) {print "ok 6\n";} else {print "not ok 6\n";}

@keys = ('blurfl', keys(%h), 'dyick');
if ($#keys == 31) {print "ok 7\n";} else {print "not ok 7\n";}

$h{'foo'} = '';
$h{''} = 'bar';

# check cache overflow and numeric keys and contents
my $ok = 1;
for ($i = 1; $i < 200; $i++) { $h{$i + 0} = $i + 0; }
for ($i = 1; $i < 200; $i++) { $ok = 0 unless $h{$i} == $i; }
print ($ok ? "ok 8\n" : "not ok 8\n");

my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
   $blksize,$blocks) = stat($Dfile);
print ($size > 0 ? "ok 9\n" : "not ok 9\n");

@h{0..200} = 200..400;
my @foo = @h{0..200};
print join(':',200..400) eq join(':',@foo) ? "ok 10\n" : "not ok 10\n";

print ($h{'foo'} eq '' ? "ok 11\n" : "not ok 11\n");
print ($h{''} eq 'bar' ? "ok 12\n" : "not ok 12\n");

untie %h;
unlink 'Op.dbmx.dir', $Dfile;

{
   # sub-class test

   package Another ;

   use strict ;
   use warnings ;

   open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
   print FILE <<'EOM' ;

   package SubDB ;

   use strict ;
   use warnings ;
   use vars qw(@ISA @EXPORT) ;

   require Exporter ;
   use ODBM_File;
   @ISA=qw(ODBM_File);
   @EXPORT = @ODBM_File::EXPORT ;

   sub STORE { 
	my $self = shift ;
        my $key = shift ;
        my $value = shift ;
        $self->SUPER::STORE($key, $value * 2) ;
   }

   sub FETCH { 
	my $self = shift ;
        my $key = shift ;
        $self->SUPER::FETCH($key) - 1 ;
   }

   sub A_new_method
   {
	my $self = shift ;
        my $key = shift ;
        my $value = $self->FETCH($key) ;
	return "[[$value]]" ;
   }

   1 ;
EOM

    close FILE ;

    BEGIN { push @INC, '.'; }

    eval 'use SubDB ; use Fcntl ;';
    main::ok(13, $@ eq "") ;
    my %h ;
    my $X ;
    eval '
	$X = tie(%h, "SubDB","dbhash.tmp", O_RDWR|O_CREAT, 0640 );
	' ;

    main::ok(14, $@ eq "") ;

    my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ;
    main::ok(15, $@ eq "") ;
    main::ok(16, $ret == 5) ;

    $ret = eval '$X->A_new_method("fred") ' ;
    main::ok(17, $@ eq "") ;
    main::ok(18, $ret eq "[[5]]") ;

    undef $X;
    untie(%h);
    unlink "SubDB.pm", <dbhash.tmp*> ;

}

{
   # DBM Filter tests
   use strict ;
   use warnings ;
   my (%h, $db) ;
   my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;

   sub checkOutput
   {
       my($fk, $sk, $fv, $sv) = @_ ;
       print "# ", join('|', $fetch_key, $fk, $store_key, $sk,
			$fetch_value, $fv, $store_value, $sv, $_), "\n";
       return
           $fetch_key eq $fk && $store_key eq $sk && 
	   $fetch_value eq $fv && $store_value eq $sv &&
	   $_ eq 'original' ;
   }
   
   unlink <Op.dbmx*>;
   ok(19, $db = tie(%h, 'ODBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ;

   $db->filter_fetch_key   (sub { $fetch_key = $_ }) ;
   $db->filter_store_key   (sub { $store_key = $_ }) ;
   $db->filter_fetch_value (sub { $fetch_value = $_}) ;
   $db->filter_store_value (sub { $store_value = $_ }) ;

   $_ = "original" ;

   $h{"fred"} = "joe" ;
   #                   fk   sk     fv   sv
   ok(20, checkOutput( "", "fred", "", "joe")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(21, $h{"fred"} eq "joe");
   #                   fk    sk     fv    sv
   ok(22, checkOutput( "", "fred", "joe", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(23, $db->FIRSTKEY() eq "fred") ;
   #                    fk     sk  fv  sv
   ok(24, checkOutput( "fred", "", "", "")) ;

   # replace the filters, but remember the previous set
   my ($old_fk) = $db->filter_fetch_key   
   			(sub { $_ = uc $_ ; $fetch_key = $_ }) ;
   my ($old_sk) = $db->filter_store_key   
   			(sub { $_ = lc $_ ; $store_key = $_ }) ;
   my ($old_fv) = $db->filter_fetch_value 
   			(sub { $_ = "[$_]"; $fetch_value = $_ }) ;
   my ($old_sv) = $db->filter_store_value 
   			(sub { s/o/x/g; $store_value = $_ }) ;
   
   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   $h{"Fred"} = "Joe" ;
   #                   fk   sk     fv    sv
   ok(25, checkOutput( "", "fred", "", "Jxe")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(26, $h{"Fred"} eq "[Jxe]");
   #                   fk   sk     fv    sv
   ok(27, checkOutput( "", "fred", "[Jxe]", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(28, $db->FIRSTKEY() eq "FRED") ;
   #                   fk   sk     fv    sv
   ok(29, checkOutput( "FRED", "", "", "")) ;

   # put the original filters back
   $db->filter_fetch_key   ($old_fk);
   $db->filter_store_key   ($old_sk);
   $db->filter_fetch_value ($old_fv);
   $db->filter_store_value ($old_sv);

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   $h{"fred"} = "joe" ;
   ok(30, checkOutput( "", "fred", "", "joe")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(31, $h{"fred"} eq "joe");
   ok(32, checkOutput( "", "fred", "joe", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(33, $db->FIRSTKEY() eq "fred") ;
   ok(34, checkOutput( "fred", "", "", "")) ;

   # delete the filters
   $db->filter_fetch_key   (undef);
   $db->filter_store_key   (undef);
   $db->filter_fetch_value (undef);
   $db->filter_store_value (undef);

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   $h{"fred"} = "joe" ;
   ok(35, checkOutput( "", "", "", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(36, $h{"fred"} eq "joe");
   ok(37, checkOutput( "", "", "", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(38, $db->FIRSTKEY() eq "fred") ;
   ok(39, checkOutput( "", "", "", "")) ;

   undef $db ;
   untie %h;
   unlink <Op.dbmx*>;
}

{    
    # DBM Filter with a closure

    use strict ;
    use warnings ;
    my (%h, $db) ;

    unlink <Op.dbmx*>;
    ok(40, $db = tie(%h, 'ODBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ;

    my %result = () ;

    sub Closure
    {
        my ($name) = @_ ;
	my $count = 0 ;
	my @kept = () ;

	return sub { ++$count ; 
		     push @kept, $_ ; 
		     $result{$name} = "$name - $count: [@kept]" ;
		   }
    }

    $db->filter_store_key(Closure("store key")) ;
    $db->filter_store_value(Closure("store value")) ;
    $db->filter_fetch_key(Closure("fetch key")) ;
    $db->filter_fetch_value(Closure("fetch value")) ;

    $_ = "original" ;

    $h{"fred"} = "joe" ;
    ok(41, $result{"store key"} eq "store key - 1: [fred]");
    ok(42, $result{"store value"} eq "store value - 1: [joe]");
    ok(43, !defined $result{"fetch key"} );
    ok(44, !defined $result{"fetch value"} );
    ok(45, $_ eq "original") ;

    ok(46, $db->FIRSTKEY() eq "fred") ;
    ok(47, $result{"store key"} eq "store key - 1: [fred]");
    ok(48, $result{"store value"} eq "store value - 1: [joe]");
    ok(49, $result{"fetch key"} eq "fetch key - 1: [fred]");
    ok(50, ! defined $result{"fetch value"} );
    ok(51, $_ eq "original") ;

    $h{"jim"}  = "john" ;
    ok(52, $result{"store key"} eq "store key - 2: [fred jim]");
    ok(53, $result{"store value"} eq "store value - 2: [joe john]");
    ok(54, $result{"fetch key"} eq "fetch key - 1: [fred]");
    ok(55, ! defined $result{"fetch value"} );
    ok(56, $_ eq "original") ;

    ok(57, $h{"fred"} eq "joe");
    ok(58, $result{"store key"} eq "store key - 3: [fred jim fred]");
    ok(59, $result{"store value"} eq "store value - 2: [joe john]");
    ok(60, $result{"fetch key"} eq "fetch key - 1: [fred]");
    ok(61, $result{"fetch value"} eq "fetch value - 1: [joe]");
    ok(62, $_ eq "original") ;

    undef $db ;
    untie %h;
    unlink <Op.dbmx*>;
}		

{
   # DBM Filter recursion detection
   use strict ;
   use warnings ;
   my (%h, $db) ;
   unlink <Op.dbmx*>;

   ok(63, $db = tie(%h, 'ODBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ;

   $db->filter_store_key (sub { $_ = $h{$_} }) ;

   eval '$h{1} = 1234' ;
   ok(64, $@ =~ /^recursion detected in filter_store_key at/ );
   
   undef $db ;
   untie %h;
   unlink <Op.dbmx*>;
}

{
    # Bug ID 20001013.009
    #
    # test that $hash{KEY} = undef doesn't produce the warning
    #     Use of uninitialized value in null operation 
    use warnings ;
    use strict ;
    use ODBM_File ;

    unlink <Op.dbmx*>;
    my %h ;
    my $a = "";
    local $SIG{__WARN__} = sub {$a = $_[0]} ;
    
    ok(65, tie(%h, 'ODBM_File','Op.dbmx', O_RDWR|O_CREAT, 0640)) ;
    $h{ABC} = undef;
    ok(66, $a eq "") ;
    untie %h;
    unlink <Op.dbmx*>;
}

if ($^O eq 'hpux') {
    print <<EOM;
#
# If you experience failures with the odbm test in HP-UX,
# this is a well-known bug that's unfortunately very hard to fix.
# The suggested course of action is to avoid using the ODBM_File,
# but to use instead the NDBM_File extension.
#
EOM
}
Commit	Line	Data
bee1dbe2 LW	1	#!./perl
bee1dbe2 LW	2
a0d0e21e LW	3	# $RCSfile: dbm.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:43 $
	4
	5	BEGIN {
	6	chdir 't' if -d 't';
20822f61	7	@INC = '../lib';
a0d0e21e LW	8	require Config; import Config;
a0d0e21e LW	9	if ($Config{'extensions'} !~ /\bODBM_File\b/) {
45c0de28	10	print "1..0 # Skip: ODBM_File was not built\n";
a0d0e21e LW	11	exit 0;
	12	}
	13	}
	14
698828ad JH	15	use strict;
	16	use warnings;
	17
	18	sub ok
	19	{
	20	my $no = shift ;
	21	my $result = shift ;
	22
	23	print "not " unless $result ;
	24	print "ok $no\n" ;
	25	}
	26
a0d0e21e LW	27	require ODBM_File;
	28	#If Fcntl is not available, try 0x202 or 0x102 for O_RDWR\|O_CREAT
	29	use Fcntl;
	30
cbc5248d	31	print "1..66\n";
bee1dbe2	32
a0d0e21e LW	33	unlink <Op.dbmx*>;
a0d0e21e LW	34
bee1dbe2	35	umask(0);
698828ad JH	36	my %h;
698828ad JH	37	ok(1, tie(%h,'ODBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640));
a0d0e21e	38
698828ad	39	my $Dfile = "Op.dbmx.pag";
a0d0e21e LW	40	if (! -e $Dfile) {
	41	($Dfile) = <Op.dbmx*>;
	42	}
544a3566	43	if ($^O eq 'amigaos' \|\| $^O eq 'os2' \|\| $^O eq 'MSWin32') {
fac76ed7	44	print "ok 2 # Skipped: different file permission semantics\n";
544a3566 CS	45	}
544a3566 CS	46	else {
698828ad	47	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
544a3566 CS	48	$blksize,$blocks) = stat($Dfile);
	49	print (($mode & 0777) == 0640 ? "ok 2\n" : "not ok 2\n");
	50	}
698828ad JH	51	my $i = 0;
698828ad JH	52	while (my ($key,$value) = each(%h)) {
bee1dbe2 LW	53	$i++;
	54	}
	55	print (!$i ? "ok 3\n" : "not ok 3\n");
	56
	57	$h{'goner1'} = 'snork';
	58
	59	$h{'abc'} = 'ABC';
	60	$h{'def'} = 'DEF';
	61	$h{'jkl','mno'} = "JKL\034MNO";
	62	$h{'a',2,3,4,5} = join("\034",'A',2,3,4,5);
	63	$h{'a'} = 'A';
	64	$h{'b'} = 'B';
	65	$h{'c'} = 'C';
	66	$h{'d'} = 'D';
	67	$h{'e'} = 'E';
	68	$h{'f'} = 'F';
	69	$h{'g'} = 'G';
	70	$h{'h'} = 'H';
	71	$h{'i'} = 'I';
	72
	73	$h{'goner2'} = 'snork';
	74	delete $h{'goner2'};
	75
a0d0e21e	76	untie(%h);
698828ad	77	print (tie(%h,'ODBM_File','Op.dbmx', O_RDWR, 0640) ? "ok 4\n" : "not ok 4\n");
bee1dbe2 LW	78
	79	$h{'j'} = 'J';
	80	$h{'k'} = 'K';
	81	$h{'l'} = 'L';
	82	$h{'m'} = 'M';
	83	$h{'n'} = 'N';
	84	$h{'o'} = 'O';
	85	$h{'p'} = 'P';
	86	$h{'q'} = 'Q';
	87	$h{'r'} = 'R';
	88	$h{'s'} = 'S';
	89	$h{'t'} = 'T';
	90	$h{'u'} = 'U';
	91	$h{'v'} = 'V';
	92	$h{'w'} = 'W';
	93	$h{'x'} = 'X';
	94	$h{'y'} = 'Y';
	95	$h{'z'} = 'Z';
	96
	97	$h{'goner3'} = 'snork';
	98
	99	delete $h{'goner1'};
	100	delete $h{'goner3'};
	101
698828ad JH	102	my @keys = keys(%h);
698828ad JH	103	my @values = values(%h);
bee1dbe2 LW	104
	105	if ($#keys == 29 && $#values == 29) {print "ok 5\n";} else {print "not ok 5\n";}
	106
698828ad	107	while (my ($key,$value) = each(%h)) {
2f52a358	108	if ($key eq $keys[$i] && $value eq $values[$i] && $key eq lc($value)) {
bee1dbe2 LW	109	$key =~ y/a-z/A-Z/;
	110	$i++ if $key eq $value;
	111	}
	112	}
	113
	114	if ($i == 30) {print "ok 6\n";} else {print "not ok 6\n";}
	115
c6aa4a32	116	@keys = ('blurfl', keys(%h), 'dyick');
bee1dbe2 LW	117	if ($#keys == 31) {print "ok 7\n";} else {print "not ok 7\n";}
	118
	119	$h{'foo'} = '';
	120	$h{''} = 'bar';
	121
	122	# check cache overflow and numeric keys and contents
698828ad	123	my $ok = 1;
bee1dbe2 LW	124	for ($i = 1; $i < 200; $i++) { $h{$i + 0} = $i + 0; }
	125	for ($i = 1; $i < 200; $i++) { $ok = 0 unless $h{$i} == $i; }
	126	print ($ok ? "ok 8\n" : "not ok 8\n");
	127
698828ad	128	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
a0d0e21e	129	$blksize,$blocks) = stat($Dfile);
bee1dbe2 LW	130	print ($size > 0 ? "ok 9\n" : "not ok 9\n");
	131
	132	@h{0..200} = 200..400;
698828ad	133	my @foo = @h{0..200};
bee1dbe2 LW	134	print join(':',200..400) eq join(':',@foo) ? "ok 10\n" : "not ok 10\n";
	135
	136	print ($h{'foo'} eq '' ? "ok 11\n" : "not ok 11\n");
	137	print ($h{''} eq 'bar' ? "ok 12\n" : "not ok 12\n");
	138
bbad3607	139	untie %h;
a0d0e21e	140	unlink 'Op.dbmx.dir', $Dfile;
4e2a63a7	141
4e2a63a7 PM	142	{
	143	# sub-class test
	144
	145	package Another ;
	146
	147	use strict ;
698828ad	148	use warnings ;
4e2a63a7 PM	149
	150	open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
	151	print FILE <<'EOM' ;
	152
	153	package SubDB ;
	154
	155	use strict ;
698828ad	156	use warnings ;
4e2a63a7 PM	157	use vars qw(@ISA @EXPORT) ;
	158
	159	require Exporter ;
	160	use ODBM_File;
	161	@ISA=qw(ODBM_File);
	162	@EXPORT = @ODBM_File::EXPORT ;
	163
	164	sub STORE {
	165	my $self = shift ;
	166	my $key = shift ;
	167	my $value = shift ;
	168	$self->SUPER::STORE($key, $value * 2) ;
	169	}
	170
	171	sub FETCH {
	172	my $self = shift ;
	173	my $key = shift ;
	174	$self->SUPER::FETCH($key) - 1 ;
	175	}
	176
	177	sub A_new_method
	178	{
	179	my $self = shift ;
	180	my $key = shift ;
	181	my $value = $self->FETCH($key) ;
	182	return "[[$value]]" ;
	183	}
	184
	185	1 ;
	186	EOM
	187
	188	close FILE ;
	189
	190	BEGIN { push @INC, '.'; }
	191
	192	eval 'use SubDB ; use Fcntl ;';
	193	main::ok(13, $@ eq "") ;
	194	my %h ;
	195	my $X ;
	196	eval '
	197	$X = tie(%h, "SubDB","dbhash.tmp", O_RDWR\|O_CREAT, 0640 );
	198	' ;
	199
	200	main::ok(14, $@ eq "") ;
	201
	202	my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ;
	203	main::ok(15, $@ eq "") ;
	204	main::ok(16, $ret == 5) ;
	205
	206	$ret = eval '$X->A_new_method("fred") ' ;
	207	main::ok(17, $@ eq "") ;
	208	main::ok(18, $ret eq "[[5]]") ;
	209
fac76ed7 MB	210	undef $X;
fac76ed7 MB	211	untie(%h);
84902520	212	unlink "SubDB.pm", <dbhash.tmp*> ;
4e2a63a7 PM	213
4e2a63a7 PM	214	}
9fe6733a PM	215
	216	{
	217	# DBM Filter tests
	218	use strict ;
698828ad	219	use warnings ;
9fe6733a PM	220	my (%h, $db) ;
	221	my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	222
	223	sub checkOutput
	224	{
	225	my($fk, $sk, $fv, $sv) = @_ ;
1b882d32 GS	226	print "# ", join('\|', $fetch_key, $fk, $store_key, $sk,
1b882d32 GS	227	$fetch_value, $fv, $store_value, $sv, $_), "\n";
9fe6733a PM	228	return
	229	$fetch_key eq $fk && $store_key eq $sk &&
	230	$fetch_value eq $fv && $store_value eq $sv &&
	231	$_ eq 'original' ;
	232	}
	233
	234	unlink <Op.dbmx*>;
	235	ok(19, $db = tie(%h, 'ODBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	236
	237	$db->filter_fetch_key (sub { $fetch_key = $_ }) ;
	238	$db->filter_store_key (sub { $store_key = $_ }) ;
	239	$db->filter_fetch_value (sub { $fetch_value = $_}) ;
	240	$db->filter_store_value (sub { $store_value = $_ }) ;
	241
	242	$_ = "original" ;
	243
	244	$h{"fred"} = "joe" ;
	245	# fk sk fv sv
	246	ok(20, checkOutput( "", "fred", "", "joe")) ;
	247
	248	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	249	ok(21, $h{"fred"} eq "joe");
	250	# fk sk fv sv
	251	ok(22, checkOutput( "", "fred", "joe", "")) ;
	252
	253	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	254	ok(23, $db->FIRSTKEY() eq "fred") ;
	255	# fk sk fv sv
	256	ok(24, checkOutput( "fred", "", "", "")) ;
	257
	258	# replace the filters, but remember the previous set
	259	my ($old_fk) = $db->filter_fetch_key
	260	(sub { $_ = uc $_ ; $fetch_key = $_ }) ;
	261	my ($old_sk) = $db->filter_store_key
	262	(sub { $_ = lc $_ ; $store_key = $_ }) ;
	263	my ($old_fv) = $db->filter_fetch_value
	264	(sub { $_ = "[$_]"; $fetch_value = $_ }) ;
	265	my ($old_sv) = $db->filter_store_value
	266	(sub { s/o/x/g; $store_value = $_ }) ;
	267
	268	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	269	$h{"Fred"} = "Joe" ;
	270	# fk sk fv sv
	271	ok(25, checkOutput( "", "fred", "", "Jxe")) ;
	272
	273	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	274	ok(26, $h{"Fred"} eq "[Jxe]");
	275	# fk sk fv sv
	276	ok(27, checkOutput( "", "fred", "[Jxe]", "")) ;
	277
	278	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	279	ok(28, $db->FIRSTKEY() eq "FRED") ;
	280	# fk sk fv sv
	281	ok(29, checkOutput( "FRED", "", "", "")) ;
	282
	283	# put the original filters back
	284	$db->filter_fetch_key ($old_fk);
	285	$db->filter_store_key ($old_sk);
	286	$db->filter_fetch_value ($old_fv);
	287	$db->filter_store_value ($old_sv);
	288
	289	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	290	$h{"fred"} = "joe" ;
	291	ok(30, checkOutput( "", "fred", "", "joe")) ;
292
293	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
294	ok(31, $h{"fred"} eq "joe");
295	ok(32, checkOutput( "", "fred", "joe", "")) ;
296
297	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
298	ok(33, $db->FIRSTKEY() eq "fred") ;
299	ok(34, checkOutput( "fred", "", "", "")) ;
300
301	# delete the filters
302	$db->filter_fetch_key (undef);
303	$db->filter_store_key (undef);
304	$db->filter_fetch_value (undef);
305	$db->filter_store_value (undef);
306
307	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
308	$h{"fred"} = "joe" ;
309	ok(35, checkOutput( "", "", "", "")) ;
310
311	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
312	ok(36, $h{"fred"} eq "joe");
313	ok(37, checkOutput( "", "", "", "")) ;
314
315	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
316	ok(38, $db->FIRSTKEY() eq "fred") ;
317	ok(39, checkOutput( "", "", "", "")) ;
318
319	undef $db ;
320	untie %h;
321	unlink <Op.dbmx*>;
322	}
323
324	{
325	# DBM Filter with a closure
326
327	use strict ;
698828ad	328	use warnings ;
9fe6733a PM	329	my (%h, $db) ;
	330
	331	unlink <Op.dbmx*>;
	332	ok(40, $db = tie(%h, 'ODBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	333
	334	my %result = () ;
	335
	336	sub Closure
	337	{
	338	my ($name) = @_ ;
	339	my $count = 0 ;
	340	my @kept = () ;
	341
	342	return sub { ++$count ;
	343	push @kept, $_ ;
	344	$result{$name} = "$name - $count: [@kept]" ;
	345	}
	346	}
	347
	348	$db->filter_store_key(Closure("store key")) ;
	349	$db->filter_store_value(Closure("store value")) ;
	350	$db->filter_fetch_key(Closure("fetch key")) ;
	351	$db->filter_fetch_value(Closure("fetch value")) ;
	352
	353	$_ = "original" ;
	354
	355	$h{"fred"} = "joe" ;
	356	ok(41, $result{"store key"} eq "store key - 1: [fred]");
	357	ok(42, $result{"store value"} eq "store value - 1: [joe]");
	358	ok(43, !defined $result{"fetch key"} );
	359	ok(44, !defined $result{"fetch value"} );
	360	ok(45, $_ eq "original") ;
	361
	362	ok(46, $db->FIRSTKEY() eq "fred") ;
	363	ok(47, $result{"store key"} eq "store key - 1: [fred]");
	364	ok(48, $result{"store value"} eq "store value - 1: [joe]");
	365	ok(49, $result{"fetch key"} eq "fetch key - 1: [fred]");
	366	ok(50, ! defined $result{"fetch value"} );
	367	ok(51, $_ eq "original") ;
	368
	369	$h{"jim"} = "john" ;
	370	ok(52, $result{"store key"} eq "store key - 2: [fred jim]");
	371	ok(53, $result{"store value"} eq "store value - 2: [joe john]");
	372	ok(54, $result{"fetch key"} eq "fetch key - 1: [fred]");
698828ad	373	ok(55, ! defined $result{"fetch value"} );
9fe6733a PM	374	ok(56, $_ eq "original") ;
	375
	376	ok(57, $h{"fred"} eq "joe");
	377	ok(58, $result{"store key"} eq "store key - 3: [fred jim fred]");
	378	ok(59, $result{"store value"} eq "store value - 2: [joe john]");
	379	ok(60, $result{"fetch key"} eq "fetch key - 1: [fred]");
	380	ok(61, $result{"fetch value"} eq "fetch value - 1: [joe]");
	381	ok(62, $_ eq "original") ;
	382
	383	undef $db ;
	384	untie %h;
	385	unlink <Op.dbmx*>;
	386	}
	387
	388	{
	389	# DBM Filter recursion detection
	390	use strict ;
698828ad	391	use warnings ;
9fe6733a PM	392	my (%h, $db) ;
	393	unlink <Op.dbmx*>;
	394
	395	ok(63, $db = tie(%h, 'ODBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	396
	397	$db->filter_store_key (sub { $_ = $h{$_} }) ;
	398
	399	eval '$h{1} = 1234' ;
	400	ok(64, $@ =~ /^recursion detected in filter_store_key at/ );
	401
	402	undef $db ;
	403	untie %h;
	404	unlink <Op.dbmx*>;
	405	}
9394203c	406
cbc5248d PM	407	{
	408	# Bug ID 20001013.009
	409	#
	410	# test that $hash{KEY} = undef doesn't produce the warning
	411	# Use of uninitialized value in null operation
	412	use warnings ;
	413	use strict ;
	414	use ODBM_File ;
	415
	416	unlink <Op.dbmx*>;
	417	my %h ;
	418	my $a = "";
	419	local $SIG{__WARN__} = sub {$a = $_[0]} ;
	420
	421	ok(65, tie(%h, 'ODBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	422	$h{ABC} = undef;
	423	ok(66, $a eq "") ;
	424	untie %h;
	425	unlink <Op.dbmx*>;
	426	}
	427
9394203c JH	428	if ($^O eq 'hpux') {
	429	print <<EOM;
	430	#
	431	# If you experience failures with the odbm test in HP-UX,
	432	# this is a well-known bug that's unfortunately very hard to fix.
	433	# The suggested course of action is to avoid using the ODBM_File,
	434	# but to use instead the NDBM_File extension.
	435	#
	436	EOM
	437	}