[perl5.git] / ext / GDBM_File / gdbm.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'} !~ /\bGDBM_File\b/) {
	print "1..0 # Skip: GDBM_File was not built\n";
	exit 0;
    }
}

use strict;
use warnings;


use GDBM_File;

print "1..80\n";

unlink <Op.dbmx*>;

umask(0);
my %h ;
print (tie(%h,'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640) ? "ok 1\n" : "not ok 1\n");

my $Dfile = "Op.dbmx.pag";
if (! -e $Dfile) {
	($Dfile) = <Op.dbmx*>;
}
if ($^O eq 'amigaos' || $^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'dos' || $^O eq 'cygwin') {
    print "ok 2 # Skipped: different file permission semantics\n";
}
else {
    my ($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,'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 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 ok
{
    my $no = shift ;
    my $result = shift ;

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

{
   # 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 vars qw(@ISA @EXPORT) ;

   require Exporter ;
   use GDBM_File;
   @ISA=qw(GDBM_File);
   @EXPORT = @GDBM_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, '.'; }
    unlink <dbhash.tmp*> ;

    eval 'use SubDB ; ';
    main::ok(13, $@ eq "") ;
    my %h ;
    my $X ;
    eval '
	$X = tie(%h, "SubDB","dbhash.tmp", &GDBM_WRCREAT, 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 ' &GDBM_WRCREAT eq &main::GDBM_WRCREAT ' ;
    main::ok(17, $@ eq "" ) ;
    main::ok(18, $ret == 1) ;

    $ret = eval '$X->A_new_method("fred") ' ;
    main::ok(19, $@ eq "") ;
    main::ok(20, $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) = @_ ;
       return
           $fetch_key eq $fk && $store_key eq $sk && 
	   $fetch_value eq $fv && $store_value eq $sv &&
	   $_ eq 'original' ;
   }
   
   unlink <Op.dbmx*>;
   ok(21, $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 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(22, checkOutput( "", "fred", "", "joe")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(23, $h{"fred"} eq "joe");
   #                   fk    sk     fv    sv
   ok(24, checkOutput( "", "fred", "joe", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(25, $db->FIRSTKEY() eq "fred") ;
   #                    fk     sk  fv  sv
   ok(26, 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(27, checkOutput( "", "fred", "", "Jxe")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(28, $h{"Fred"} eq "[Jxe]");
   #                   fk   sk     fv    sv
   ok(29, checkOutput( "", "fred", "[Jxe]", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(30, $db->FIRSTKEY() eq "FRED") ;
   #                   fk   sk     fv    sv
   ok(31, 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(32, checkOutput( "", "fred", "", "joe")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(33, $h{"fred"} eq "joe");
   ok(34, checkOutput( "", "fred", "joe", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(35, $db->FIRSTKEY() eq "fred") ;
   ok(36, 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(37, checkOutput( "", "", "", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(38, $h{"fred"} eq "joe");
   ok(39, checkOutput( "", "", "", "")) ;

   ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
   ok(40, $db->FIRSTKEY() eq "fred") ;
   ok(41, checkOutput( "", "", "", "")) ;

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

{    
    # DBM Filter with a closure

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

    unlink <Op.dbmx*>;
    ok(42, $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 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(43, $result{"store key"} eq "store key - 1: [fred]");
    ok(44, $result{"store value"} eq "store value - 1: [joe]");
    ok(45, !defined $result{"fetch key"} );
    ok(46, !defined $result{"fetch value"} );
    ok(47, $_ eq "original") ;

    ok(48, $db->FIRSTKEY() eq "fred") ;
    ok(49, $result{"store key"} eq "store key - 1: [fred]");
    ok(50, $result{"store value"} eq "store value - 1: [joe]");
    ok(51, $result{"fetch key"} eq "fetch key - 1: [fred]");
    ok(52, ! defined $result{"fetch value"} );
    ok(53, $_ eq "original") ;

    $h{"jim"}  = "john" ;
    ok(54, $result{"store key"} eq "store key - 2: [fred jim]");
    ok(55, $result{"store value"} eq "store value - 2: [joe john]");
    ok(56, $result{"fetch key"} eq "fetch key - 1: [fred]");
    ok(57, ! defined $result{"fetch value"} );
    ok(58, $_ eq "original") ;

    ok(59, $h{"fred"} eq "joe");
    ok(60, $result{"store key"} eq "store key - 3: [fred jim fred]");
    ok(61, $result{"store value"} eq "store value - 2: [joe john]");
    ok(62, $result{"fetch key"} eq "fetch key - 1: [fred]");
    ok(63, $result{"fetch value"} eq "fetch value - 1: [joe]");
    ok(64, $_ eq "original") ;

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

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

   ok(65, $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640)) ;

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

   eval '$h{1} = 1234' ;
   ok(66, $@ =~ /^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 GDBM_File ;

    unlink <Op.dbmx*>;
    my %h ;
    my $a = "";
    local $SIG{__WARN__} = sub {$a = $_[0]} ;
    
    ok(67, tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640));
    $h{ABC} = undef;
    ok(68, $a eq "") ;
    untie %h;
    unlink <Op.dbmx*>;
}

{
    # When iterating over a tied hash using "each", the key passed to FETCH
    # will be recycled and passed to NEXTKEY. If a Source Filter modifies the
    # key in FETCH via a filter_fetch_key method we need to check that the
    # modified key doesn't get passed to NEXTKEY.
    # Also Test "keys" & "values" while we are at it.

    use warnings ;
    use strict ;
    use GDBM_File ;

    unlink <Op.dbmx*>;
    my $bad_key = 0 ;
    my %h = () ;
    ok(69, my $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640));
    $db->filter_fetch_key (sub { $_ =~ s/^Beta_/Alpha_/ if defined $_}) ;
    $db->filter_store_key (sub { $bad_key = 1 if /^Beta_/ ; $_ =~ s/^Alpha_/Beta_/}) ;

    $h{'Alpha_ABC'} = 2 ;
    $h{'Alpha_DEF'} = 5 ;

    ok(70, $h{'Alpha_ABC'} == 2);
    ok(71, $h{'Alpha_DEF'} == 5);

    my ($k, $v) = ("","");
    while (($k, $v) = each %h) {}
    ok(72, $bad_key == 0);

    $bad_key = 0 ;
    foreach $k (keys %h) {}
    ok(73, $bad_key == 0);

    $bad_key = 0 ;
    foreach $v (values %h) {}
    ok(74, $bad_key == 0);

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

{
   # Check that DBM Filter can cope with read-only $_

   use warnings ;
   use strict ;
   my %h ;
   unlink <Op.dbmx*>;

   ok(75, my $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640));

   $db->filter_fetch_key   (sub { }) ;
   $db->filter_store_key   (sub { }) ;
   $db->filter_fetch_value (sub { }) ;
   $db->filter_store_value (sub { }) ;

   $_ = "original" ;

   $h{"fred"} = "joe" ;
   ok(76, $h{"fred"} eq "joe");

   eval { grep { $h{$_} } (1, 2, 3) };
   ok (77, ! $@);


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

   $h{"fred"} = "joe" ;

   ok(78, $h{"fred"} eq "joe");

   ok(79, $db->FIRSTKEY() eq "fred") ;
   
   eval { grep { $h{$_} } (1, 2, 3) };
   ok (80, ! $@);

   undef $db ;
   untie %h;
   unlink <Op.dbmx*>;
}
exit ;
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 {
97a5fa0b	6	chdir 't' if -d 't';
20822f61	7	@INC = '../lib';
a0d0e21e LW	8	require Config; import Config;
a0d0e21e LW	9	if ($Config{'extensions'} !~ /\bGDBM_File\b/) {
45c0de28	10	print "1..0 # Skip: GDBM_File was not built\n";
a0d0e21e LW	11	exit 0;
	12	}
	13	}
	14
698828ad JH	15	use strict;
	16	use warnings;
	17
	18
a0d0e21e LW	19	use GDBM_File;
a0d0e21e LW	20
5b7ea690	21	print "1..80\n";
bee1dbe2	22
a0d0e21e LW	23	unlink <Op.dbmx*>;
a0d0e21e LW	24
bee1dbe2	25	umask(0);
698828ad JH	26	my %h ;
698828ad JH	27	print (tie(%h,'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640) ? "ok 1\n" : "not ok 1\n");
a0d0e21e	28
698828ad	29	my $Dfile = "Op.dbmx.pag";
a0d0e21e LW	30	if (! -e $Dfile) {
	31	($Dfile) = <Op.dbmx*>;
	32	}
9614bee6	33	if ($^O eq 'amigaos' \|\| $^O eq 'os2' \|\| $^O eq 'MSWin32' \|\| $^O eq 'NetWare' \|\| $^O eq 'dos' \|\| $^O eq 'cygwin') {
fac76ed7	34	print "ok 2 # Skipped: different file permission semantics\n";
544a3566 CS	35	}
544a3566 CS	36	else {
698828ad	37	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
544a3566 CS	38	$blksize,$blocks) = stat($Dfile);
	39	print (($mode & 0777) == 0640 ? "ok 2\n" : "not ok 2\n");
	40	}
698828ad JH	41	my $i = 0;
698828ad JH	42	while (my ($key,$value) = each(%h)) {
bee1dbe2 LW	43	$i++;
	44	}
	45	print (!$i ? "ok 3\n" : "not ok 3\n");
	46
	47	$h{'goner1'} = 'snork';
	48
	49	$h{'abc'} = 'ABC';
	50	$h{'def'} = 'DEF';
	51	$h{'jkl','mno'} = "JKL\034MNO";
	52	$h{'a',2,3,4,5} = join("\034",'A',2,3,4,5);
	53	$h{'a'} = 'A';
	54	$h{'b'} = 'B';
	55	$h{'c'} = 'C';
	56	$h{'d'} = 'D';
	57	$h{'e'} = 'E';
	58	$h{'f'} = 'F';
	59	$h{'g'} = 'G';
	60	$h{'h'} = 'H';
	61	$h{'i'} = 'I';
	62
	63	$h{'goner2'} = 'snork';
	64	delete $h{'goner2'};
	65
a0d0e21e	66	untie(%h);
698828ad	67	print (tie(%h,'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640) ? "ok 4\n" : "not ok 4\n");
bee1dbe2 LW	68
	69	$h{'j'} = 'J';
	70	$h{'k'} = 'K';
	71	$h{'l'} = 'L';
	72	$h{'m'} = 'M';
	73	$h{'n'} = 'N';
	74	$h{'o'} = 'O';
	75	$h{'p'} = 'P';
	76	$h{'q'} = 'Q';
	77	$h{'r'} = 'R';
	78	$h{'s'} = 'S';
	79	$h{'t'} = 'T';
	80	$h{'u'} = 'U';
	81	$h{'v'} = 'V';
	82	$h{'w'} = 'W';
	83	$h{'x'} = 'X';
	84	$h{'y'} = 'Y';
	85	$h{'z'} = 'Z';
	86
	87	$h{'goner3'} = 'snork';
	88
	89	delete $h{'goner1'};
	90	delete $h{'goner3'};
	91
698828ad JH	92	my @keys = keys(%h);
698828ad JH	93	my @values = values(%h);
bee1dbe2 LW	94
	95	if ($#keys == 29 && $#values == 29) {print "ok 5\n";} else {print "not ok 5\n";}
	96
698828ad	97	while (my ($key,$value) = each(%h)) {
2f52a358	98	if ($key eq $keys[$i] && $value eq $values[$i] && $key eq lc($value)) {
bee1dbe2 LW	99	$key =~ y/a-z/A-Z/;
	100	$i++ if $key eq $value;
	101	}
	102	}
	103
	104	if ($i == 30) {print "ok 6\n";} else {print "not ok 6\n";}
	105
c6aa4a32	106	@keys = ('blurfl', keys(%h), 'dyick');
bee1dbe2 LW	107	if ($#keys == 31) {print "ok 7\n";} else {print "not ok 7\n";}
	108
	109	$h{'foo'} = '';
	110	$h{''} = 'bar';
	111
	112	# check cache overflow and numeric keys and contents
698828ad	113	my $ok = 1;
bee1dbe2 LW	114	for ($i = 1; $i < 200; $i++) { $h{$i + 0} = $i + 0; }
	115	for ($i = 1; $i < 200; $i++) { $ok = 0 unless $h{$i} == $i; }
	116	print ($ok ? "ok 8\n" : "not ok 8\n");
	117
698828ad	118	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
a0d0e21e	119	$blksize,$blocks) = stat($Dfile);
bee1dbe2 LW	120	print ($size > 0 ? "ok 9\n" : "not ok 9\n");
	121
	122	@h{0..200} = 200..400;
698828ad	123	my @foo = @h{0..200};
bee1dbe2 LW	124	print join(':',200..400) eq join(':',@foo) ? "ok 10\n" : "not ok 10\n";
	125
	126	print ($h{'foo'} eq '' ? "ok 11\n" : "not ok 11\n");
	127	print ($h{''} eq 'bar' ? "ok 12\n" : "not ok 12\n");
	128
bbad3607	129	untie %h;
a0d0e21e	130	unlink 'Op.dbmx.dir', $Dfile;
4e2a63a7 PM	131
	132	sub ok
	133	{
	134	my $no = shift ;
	135	my $result = shift ;
	136
	137	print "not " unless $result ;
	138	print "ok $no\n" ;
	139	}
	140
	141	{
	142	# sub-class test
	143
	144	package Another ;
	145
	146	use strict ;
698828ad	147	use warnings ;
4e2a63a7 PM	148
	149	open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
	150	print FILE <<'EOM' ;
	151
	152	package SubDB ;
	153
	154	use strict ;
	155	use vars qw(@ISA @EXPORT) ;
	156
	157	require Exporter ;
	158	use GDBM_File;
	159	@ISA=qw(GDBM_File);
	160	@EXPORT = @GDBM_File::EXPORT ;
	161
	162	sub STORE {
	163	my $self = shift ;
	164	my $key = shift ;
	165	my $value = shift ;
	166	$self->SUPER::STORE($key, $value * 2) ;
	167	}
	168
	169	sub FETCH {
	170	my $self = shift ;
	171	my $key = shift ;
	172	$self->SUPER::FETCH($key) - 1 ;
	173	}
	174
	175	sub A_new_method
	176	{
	177	my $self = shift ;
	178	my $key = shift ;
	179	my $value = $self->FETCH($key) ;
	180	return "[[$value]]" ;
	181	}
	182
	183	1 ;
	184	EOM
	185
	186	close FILE ;
	187
	188	BEGIN { push @INC, '.'; }
cbc5248d	189	unlink <dbhash.tmp*> ;
4e2a63a7 PM	190
	191	eval 'use SubDB ; ';
	192	main::ok(13, $@ eq "") ;
	193	my %h ;
	194	my $X ;
	195	eval '
	196	$X = tie(%h, "SubDB","dbhash.tmp", &GDBM_WRCREAT, 0640 );
	197	' ;
	198
	199	main::ok(14, $@ eq "") ;
	200
	201	my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ;
	202	main::ok(15, $@ eq "") ;
	203	main::ok(16, $ret == 5) ;
	204
	205	$ret = eval ' &GDBM_WRCREAT eq &main::GDBM_WRCREAT ' ;
	206	main::ok(17, $@ eq "" ) ;
	207	main::ok(18, $ret == 1) ;
	208
	209	$ret = eval '$X->A_new_method("fred") ' ;
	210	main::ok(19, $@ eq "") ;
	211	main::ok(20, $ret eq "[[5]]") ;
	212
fac76ed7 MB	213	undef $X;
fac76ed7 MB	214	untie(%h);
84902520	215	unlink "SubDB.pm", <dbhash.tmp*> ;
4e2a63a7 PM	216
4e2a63a7 PM	217	}
9fe6733a PM	218
	219	{
	220	# DBM Filter tests
	221	use strict ;
698828ad	222	use warnings ;
9fe6733a PM	223	my (%h, $db) ;
	224	my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	225
	226	sub checkOutput
	227	{
	228	my($fk, $sk, $fv, $sv) = @_ ;
	229	return
	230	$fetch_key eq $fk && $store_key eq $sk &&
	231	$fetch_value eq $fv && $store_value eq $sv &&
	232	$_ eq 'original' ;
	233	}
	234
	235	unlink <Op.dbmx*>;
	236	ok(21, $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640)) ;
	237
	238	$db->filter_fetch_key (sub { $fetch_key = $_ }) ;
	239	$db->filter_store_key (sub { $store_key = $_ }) ;
	240	$db->filter_fetch_value (sub { $fetch_value = $_}) ;
	241	$db->filter_store_value (sub { $store_value = $_ }) ;
	242
	243	$_ = "original" ;
	244
	245	$h{"fred"} = "joe" ;
	246	# fk sk fv sv
	247	ok(22, checkOutput( "", "fred", "", "joe")) ;
	248
	249	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	250	ok(23, $h{"fred"} eq "joe");
	251	# fk sk fv sv
	252	ok(24, checkOutput( "", "fred", "joe", "")) ;
	253
	254	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	255	ok(25, $db->FIRSTKEY() eq "fred") ;
	256	# fk sk fv sv
	257	ok(26, checkOutput( "fred", "", "", "")) ;
	258
	259	# replace the filters, but remember the previous set
	260	my ($old_fk) = $db->filter_fetch_key
	261	(sub { $_ = uc $_ ; $fetch_key = $_ }) ;
	262	my ($old_sk) = $db->filter_store_key
	263	(sub { $_ = lc $_ ; $store_key = $_ }) ;
	264	my ($old_fv) = $db->filter_fetch_value
	265	(sub { $_ = "[$_]"; $fetch_value = $_ }) ;
	266	my ($old_sv) = $db->filter_store_value
	267	(sub { s/o/x/g; $store_value = $_ }) ;
	268
	269	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	270	$h{"Fred"} = "Joe" ;
	271	# fk sk fv sv
	272	ok(27, checkOutput( "", "fred", "", "Jxe")) ;
	273
	274	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	275	ok(28, $h{"Fred"} eq "[Jxe]");
	276	# fk sk fv sv
	277	ok(29, checkOutput( "", "fred", "[Jxe]", "")) ;
	278
	279	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	280	ok(30, $db->FIRSTKEY() eq "FRED") ;
	281	# fk sk fv sv
	282	ok(31, checkOutput( "FRED", "", "", "")) ;
	283
	284	# put the original filters back
	285	$db->filter_fetch_key ($old_fk);
	286	$db->filter_store_key ($old_sk);
287	$db->filter_fetch_value ($old_fv);
288	$db->filter_store_value ($old_sv);
289
290	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
291	$h{"fred"} = "joe" ;
292	ok(32, checkOutput( "", "fred", "", "joe")) ;
293
294	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
295	ok(33, $h{"fred"} eq "joe");
296	ok(34, checkOutput( "", "fred", "joe", "")) ;
297
298	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
299	ok(35, $db->FIRSTKEY() eq "fred") ;
300	ok(36, checkOutput( "fred", "", "", "")) ;
301
302	# delete the filters
303	$db->filter_fetch_key (undef);
304	$db->filter_store_key (undef);
305	$db->filter_fetch_value (undef);
306	$db->filter_store_value (undef);
307
308	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
309	$h{"fred"} = "joe" ;
310	ok(37, checkOutput( "", "", "", "")) ;
311
312	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
313	ok(38, $h{"fred"} eq "joe");
314	ok(39, checkOutput( "", "", "", "")) ;
315
316	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
317	ok(40, $db->FIRSTKEY() eq "fred") ;
318	ok(41, checkOutput( "", "", "", "")) ;
319
320	undef $db ;
321	untie %h;
322	unlink <Op.dbmx*>;
323	}
324
325	{
326	# DBM Filter with a closure
327
328	use strict ;
698828ad	329	use warnings ;
9fe6733a PM	330	my (%h, $db) ;
	331
	332	unlink <Op.dbmx*>;
	333	ok(42, $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640)) ;
	334
	335	my %result = () ;
	336
	337	sub Closure
	338	{
	339	my ($name) = @_ ;
	340	my $count = 0 ;
	341	my @kept = () ;
	342
	343	return sub { ++$count ;
	344	push @kept, $_ ;
	345	$result{$name} = "$name - $count: [@kept]" ;
	346	}
	347	}
	348
	349	$db->filter_store_key(Closure("store key")) ;
	350	$db->filter_store_value(Closure("store value")) ;
	351	$db->filter_fetch_key(Closure("fetch key")) ;
	352	$db->filter_fetch_value(Closure("fetch value")) ;
	353
	354	$_ = "original" ;
	355
	356	$h{"fred"} = "joe" ;
	357	ok(43, $result{"store key"} eq "store key - 1: [fred]");
	358	ok(44, $result{"store value"} eq "store value - 1: [joe]");
	359	ok(45, !defined $result{"fetch key"} );
	360	ok(46, !defined $result{"fetch value"} );
	361	ok(47, $_ eq "original") ;
	362
	363	ok(48, $db->FIRSTKEY() eq "fred") ;
	364	ok(49, $result{"store key"} eq "store key - 1: [fred]");
	365	ok(50, $result{"store value"} eq "store value - 1: [joe]");
	366	ok(51, $result{"fetch key"} eq "fetch key - 1: [fred]");
	367	ok(52, ! defined $result{"fetch value"} );
	368	ok(53, $_ eq "original") ;
	369
	370	$h{"jim"} = "john" ;
	371	ok(54, $result{"store key"} eq "store key - 2: [fred jim]");
	372	ok(55, $result{"store value"} eq "store value - 2: [joe john]");
	373	ok(56, $result{"fetch key"} eq "fetch key - 1: [fred]");
698828ad	374	ok(57, ! defined $result{"fetch value"} );
9fe6733a PM	375	ok(58, $_ eq "original") ;
	376
	377	ok(59, $h{"fred"} eq "joe");
	378	ok(60, $result{"store key"} eq "store key - 3: [fred jim fred]");
	379	ok(61, $result{"store value"} eq "store value - 2: [joe john]");
	380	ok(62, $result{"fetch key"} eq "fetch key - 1: [fred]");
	381	ok(63, $result{"fetch value"} eq "fetch value - 1: [joe]");
	382	ok(64, $_ eq "original") ;
	383
	384	undef $db ;
	385	untie %h;
	386	unlink <Op.dbmx*>;
	387	}
	388
	389	{
	390	# DBM Filter recursion detection
	391	use strict ;
698828ad	392	use warnings ;
9fe6733a PM	393	my (%h, $db) ;
	394	unlink <Op.dbmx*>;
	395
	396	ok(65, $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640)) ;
	397
	398	$db->filter_store_key (sub { $_ = $h{$_} }) ;
	399
	400	eval '$h{1} = 1234' ;
	401	ok(66, $@ =~ /^recursion detected in filter_store_key at/ );
	402
	403	undef $db ;
	404	untie %h;
	405	unlink <Op.dbmx*>;
	406	}
cbc5248d PM	407
	408	{
	409	# Bug ID 20001013.009
	410	#
	411	# test that $hash{KEY} = undef doesn't produce the warning
	412	# Use of uninitialized value in null operation
	413	use warnings ;
	414	use strict ;
	415	use GDBM_File ;
	416
	417	unlink <Op.dbmx*>;
	418	my %h ;
	419	my $a = "";
	420	local $SIG{__WARN__} = sub {$a = $_[0]} ;
	421
	422	ok(67, tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640));
	423	$h{ABC} = undef;
	424	ok(68, $a eq "") ;
	425	untie %h;
	426	unlink <Op.dbmx*>;
	427	}
0bf2e707 PM	428
	429	{
	430	# When iterating over a tied hash using "each", the key passed to FETCH
	431	# will be recycled and passed to NEXTKEY. If a Source Filter modifies the
	432	# key in FETCH via a filter_fetch_key method we need to check that the
	433	# modified key doesn't get passed to NEXTKEY.
	434	# Also Test "keys" & "values" while we are at it.
	435
	436	use warnings ;
	437	use strict ;
	438	use GDBM_File ;
	439
	440	unlink <Op.dbmx*>;
	441	my $bad_key = 0 ;
	442	my %h = () ;
	443	ok(69, my $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640));
	444	$db->filter_fetch_key (sub { $_ =~ s/^Beta_/Alpha_/ if defined $_}) ;
	445	$db->filter_store_key (sub { $bad_key = 1 if /^Beta_/ ; $_ =~ s/^Alpha_/Beta_/}) ;
	446
	447	$h{'Alpha_ABC'} = 2 ;
	448	$h{'Alpha_DEF'} = 5 ;
	449
	450	ok(70, $h{'Alpha_ABC'} == 2);
	451	ok(71, $h{'Alpha_DEF'} == 5);
	452
	453	my ($k, $v) = ("","");
	454	while (($k, $v) = each %h) {}
	455	ok(72, $bad_key == 0);
	456
	457	$bad_key = 0 ;
	458	foreach $k (keys %h) {}
	459	ok(73, $bad_key == 0);
	460
	461	$bad_key = 0 ;
	462	foreach $v (values %h) {}
	463	ok(74, $bad_key == 0);
	464
	465	undef $db ;
	466	untie %h ;
	467	unlink <Op.dbmx*>;
	468	}
	469
5b7ea690 JH	470	{
	471	# Check that DBM Filter can cope with read-only $_
	472
	473	use warnings ;
	474	use strict ;
	475	my %h ;
	476	unlink <Op.dbmx*>;
	477
	478	ok(75, my $db = tie(%h, 'GDBM_File','Op.dbmx', &GDBM_WRCREAT, 0640));
	479
	480	$db->filter_fetch_key (sub { }) ;
	481	$db->filter_store_key (sub { }) ;
	482	$db->filter_fetch_value (sub { }) ;
	483	$db->filter_store_value (sub { }) ;
	484
	485	$_ = "original" ;
	486
	487	$h{"fred"} = "joe" ;
	488	ok(76, $h{"fred"} eq "joe");
	489
	490	eval { grep { $h{$_} } (1, 2, 3) };
	491	ok (77, ! $@);
	492
	493
	494	# delete the filters
	495	$db->filter_fetch_key (undef);
	496	$db->filter_store_key (undef);
	497	$db->filter_fetch_value (undef);
	498	$db->filter_store_value (undef);
	499
	500	$h{"fred"} = "joe" ;
	501
	502	ok(78, $h{"fred"} eq "joe");
	503
	504	ok(79, $db->FIRSTKEY() eq "fred") ;
	505
	506	eval { grep { $h{$_} } (1, 2, 3) };
	507	ok (80, ! $@);
	508
	509	undef $db ;
	510	untie %h;
	511	unlink <Op.dbmx*>;
	512	}
0bf2e707	513	exit ;