[perl5.git] / ext / NDBM_File / ndbm.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'} !~ /\bNDBM_File\b/) {
	print "1..0 # Skip: NDBM_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 NDBM_File;
#If Fcntl is not available, try 0x202 or 0x102 for O_RDWR|O_CREAT
use Fcntl;

print "1..71\n";

unlink <Op.dbmx*>;

umask(0);
my %h;
ok(1, tie(%h,'NDBM_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' || $^O eq 'NetWare' || $^O eq 'MacOS') {
    print "ok 2 # Skipped: different file permission semantics\n";
}
else {
    my ($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,'NDBM_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*>, $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 NDBM_File;
   @ISA=qw(NDBM_File);
   @EXPORT = @NDBM_File::EXPORT if defined @NDBM_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) = @_ ;
       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, 'NDBM_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, 'NDBM_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, 'NDBM_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 NDBM_File ;

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

{
    # 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 NDBM_File ;

    unlink <Op.dbmx*>;
    my $bad_key = 0 ;
    my %h = () ;
    ok(66, my $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR|O_CREAT, 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(67, $h{'Alpha_ABC'} == 2);
    ok(68, $h{'Alpha_DEF'} == 5);

    my ($k, $v) = ("","");
    while (($k, $v) = each %h) {}
    ok(69, $bad_key == 0);

    $bad_key = 0 ;
    foreach $k (keys %h) {}
    ok(70, $bad_key == 0);

    $bad_key = 0 ;
    foreach $v (values %h) {}
    ok(71, $bad_key == 0);

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

exit ;
Commit	Line	Data
85e6fe83 LW	1	#!./perl
	2
	3	# $RCSfile: dbm.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:43 $
	4
	5	BEGIN {
a0d0e21e	6	chdir 't' if -d 't';
20822f61	7	@INC = '../lib';
85e6fe83 LW	8	require Config; import Config;
85e6fe83 LW	9	if ($Config{'extensions'} !~ /\bNDBM_File\b/) {
45c0de28	10	print "1..0 # Skip: NDBM_File was not built\n";
85e6fe83 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
85e6fe83	27	require NDBM_File;
a0d0e21e LW	28	#If Fcntl is not available, try 0x202 or 0x102 for O_RDWR\|O_CREAT
a0d0e21e LW	29	use Fcntl;
85e6fe83	30
0bf2e707	31	print "1..71\n";
85e6fe83 LW	32
	33	unlink <Op.dbmx*>;
	34
	35	umask(0);
698828ad JH	36	my %h;
698828ad JH	37	ok(1, tie(%h,'NDBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640));
85e6fe83	38
698828ad	39	my $Dfile = "Op.dbmx.pag";
85e6fe83 LW	40	if (! -e $Dfile) {
	41	($Dfile) = <Op.dbmx*>;
	42	}
d536870a	43	if ($^O eq 'amigaos' \|\| $^O eq 'os2' \|\| $^O eq 'MSWin32' \|\| $^O eq 'NetWare' \|\| $^O eq 'MacOS') {
fac76ed7	44	print "ok 2 # Skipped: different file permission semantics\n";
544a3566 CS	45	}
544a3566 CS	46	else {
698828ad	47	my ($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)) {
85e6fe83 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
	76	untie(%h);
698828ad	77	print (tie(%h,'NDBM_File','Op.dbmx', &O_RDWR, 0640) ? "ok 4\n" : "not ok 4\n");
85e6fe83 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 $h{'goner3'};
	101
698828ad JH	102	my @keys = keys(%h);
698828ad JH	103	my @values = values(%h);
85e6fe83 LW	104
	105	if ($#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)) {
85e6fe83 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');
85e6fe83 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 $ok = 1;
85e6fe83 LW	124	for ($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,
85e6fe83 LW	129	$blksize,$blocks) = stat($Dfile);
	130	print ($size > 0 ? "ok 9\n" : "not ok 9\n");
	131
	132	@h{0..200} = 200..400;
698828ad	133	my @foo = @h{0..200};
85e6fe83 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;
d536870a	140	unlink <Op.dbmx*>, $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 NDBM_File;
	161	@ISA=qw(NDBM_File);
	162	@EXPORT = @NDBM_File::EXPORT if defined @NDBM_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) = @_ ;
	226	return
	227	$fetch_key eq $fk && $store_key eq $sk &&
	228	$fetch_value eq $fv && $store_value eq $sv &&
	229	$_ eq 'original' ;
	230	}
	231
	232	unlink <Op.dbmx*>;
	233	ok(19, $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	234
	235	$db->filter_fetch_key (sub { $fetch_key = $_ }) ;
	236	$db->filter_store_key (sub { $store_key = $_ }) ;
	237	$db->filter_fetch_value (sub { $fetch_value = $_}) ;
	238	$db->filter_store_value (sub { $store_value = $_ }) ;
	239
	240	$_ = "original" ;
	241
	242	$h{"fred"} = "joe" ;
	243	# fk sk fv sv
	244	ok(20, checkOutput( "", "fred", "", "joe")) ;
	245
	246	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	247	ok(21, $h{"fred"} eq "joe");
	248	# fk sk fv sv
	249	ok(22, checkOutput( "", "fred", "joe", "")) ;
	250
	251	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	252	ok(23, $db->FIRSTKEY() eq "fred") ;
	253	# fk sk fv sv
	254	ok(24, checkOutput( "fred", "", "", "")) ;
	255
	256	# replace the filters, but remember the previous set
	257	my ($old_fk) = $db->filter_fetch_key
	258	(sub { $_ = uc $_ ; $fetch_key = $_ }) ;
	259	my ($old_sk) = $db->filter_store_key
	260	(sub { $_ = lc $_ ; $store_key = $_ }) ;
	261	my ($old_fv) = $db->filter_fetch_value
	262	(sub { $_ = "[$_]"; $fetch_value = $_ }) ;
	263	my ($old_sv) = $db->filter_store_value
	264	(sub { s/o/x/g; $store_value = $_ }) ;
	265
	266	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	267	$h{"Fred"} = "Joe" ;
	268	# fk sk fv sv
	269	ok(25, checkOutput( "", "fred", "", "Jxe")) ;
	270
	271	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	272	ok(26, $h{"Fred"} eq "[Jxe]");
	273	# fk sk fv sv
	274	ok(27, checkOutput( "", "fred", "[Jxe]", "")) ;
	275
	276	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	277	ok(28, $db->FIRSTKEY() eq "FRED") ;
	278	# fk sk fv sv
	279	ok(29, checkOutput( "FRED", "", "", "")) ;
	280
	281	# put the original filters back
	282	$db->filter_fetch_key ($old_fk);
	283	$db->filter_store_key ($old_sk);
284	$db->filter_fetch_value ($old_fv);
285	$db->filter_store_value ($old_sv);
286
287	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
288	$h{"fred"} = "joe" ;
289	ok(30, checkOutput( "", "fred", "", "joe")) ;
290
291	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
292	ok(31, $h{"fred"} eq "joe");
293	ok(32, checkOutput( "", "fred", "joe", "")) ;
294
295	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
296	ok(33, $db->FIRSTKEY() eq "fred") ;
297	ok(34, checkOutput( "fred", "", "", "")) ;
298
299	# delete the filters
300	$db->filter_fetch_key (undef);
301	$db->filter_store_key (undef);
302	$db->filter_fetch_value (undef);
303	$db->filter_store_value (undef);
304
305	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
306	$h{"fred"} = "joe" ;
307	ok(35, checkOutput( "", "", "", "")) ;
308
309	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
310	ok(36, $h{"fred"} eq "joe");
311	ok(37, checkOutput( "", "", "", "")) ;
312
313	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
314	ok(38, $db->FIRSTKEY() eq "fred") ;
315	ok(39, checkOutput( "", "", "", "")) ;
316
317	undef $db ;
318	untie %h;
319	unlink <Op.dbmx*>;
320	}
321
322	{
323	# DBM Filter with a closure
324
325	use strict ;
698828ad	326	use warnings ;
9fe6733a PM	327	my (%h, $db) ;
	328
	329	unlink <Op.dbmx*>;
	330	ok(40, $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	331
	332	my %result = () ;
	333
	334	sub Closure
	335	{
	336	my ($name) = @_ ;
	337	my $count = 0 ;
	338	my @kept = () ;
	339
	340	return sub { ++$count ;
	341	push @kept, $_ ;
	342	$result{$name} = "$name - $count: [@kept]" ;
	343	}
	344	}
	345
	346	$db->filter_store_key(Closure("store key")) ;
	347	$db->filter_store_value(Closure("store value")) ;
	348	$db->filter_fetch_key(Closure("fetch key")) ;
	349	$db->filter_fetch_value(Closure("fetch value")) ;
	350
	351	$_ = "original" ;
	352
	353	$h{"fred"} = "joe" ;
	354	ok(41, $result{"store key"} eq "store key - 1: [fred]");
	355	ok(42, $result{"store value"} eq "store value - 1: [joe]");
	356	ok(43, !defined $result{"fetch key"} );
	357	ok(44, !defined $result{"fetch value"} );
	358	ok(45, $_ eq "original") ;
	359
	360	ok(46, $db->FIRSTKEY() eq "fred") ;
	361	ok(47, $result{"store key"} eq "store key - 1: [fred]");
	362	ok(48, $result{"store value"} eq "store value - 1: [joe]");
	363	ok(49, $result{"fetch key"} eq "fetch key - 1: [fred]");
	364	ok(50, ! defined $result{"fetch value"} );
	365	ok(51, $_ eq "original") ;
	366
	367	$h{"jim"} = "john" ;
	368	ok(52, $result{"store key"} eq "store key - 2: [fred jim]");
	369	ok(53, $result{"store value"} eq "store value - 2: [joe john]");
	370	ok(54, $result{"fetch key"} eq "fetch key - 1: [fred]");
698828ad	371	ok(55, ! defined $result{"fetch value"} );
9fe6733a PM	372	ok(56, $_ eq "original") ;
	373
	374	ok(57, $h{"fred"} eq "joe");
	375	ok(58, $result{"store key"} eq "store key - 3: [fred jim fred]");
	376	ok(59, $result{"store value"} eq "store value - 2: [joe john]");
	377	ok(60, $result{"fetch key"} eq "fetch key - 1: [fred]");
	378	ok(61, $result{"fetch value"} eq "fetch value - 1: [joe]");
	379	ok(62, $_ eq "original") ;
	380
	381	undef $db ;
	382	untie %h;
	383	unlink <Op.dbmx*>;
	384	}
	385
	386	{
	387	# DBM Filter recursion detection
	388	use strict ;
698828ad	389	use warnings ;
9fe6733a PM	390	my (%h, $db) ;
	391	unlink <Op.dbmx*>;
	392
	393	ok(63, $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	394
	395	$db->filter_store_key (sub { $_ = $h{$_} }) ;
	396
	397	eval '$h{1} = 1234' ;
	398	ok(64, $@ =~ /^recursion detected in filter_store_key at/ );
	399
	400	undef $db ;
	401	untie %h;
	402	unlink <Op.dbmx*>;
	403	}
cbc5248d PM	404
	405	{
	406	# Bug ID 20001013.009
	407	#
	408	# test that $hash{KEY} = undef doesn't produce the warning
	409	# Use of uninitialized value in null operation
	410	use warnings ;
	411	use strict ;
	412	use NDBM_File ;
	413
	414	unlink <Op.dbmx*>;
	415	my %h ;
	416	my $a = "";
	417	local $SIG{__WARN__} = sub {$a = $_[0]} ;
	418
	419	ok(65, tie(%h, 'NDBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	420	}
0bf2e707 PM	421
	422	{
	423	# When iterating over a tied hash using "each", the key passed to FETCH
	424	# will be recycled and passed to NEXTKEY. If a Source Filter modifies the
	425	# key in FETCH via a filter_fetch_key method we need to check that the
	426	# modified key doesn't get passed to NEXTKEY.
	427	# Also Test "keys" & "values" while we are at it.
	428
	429	use warnings ;
	430	use strict ;
	431	use NDBM_File ;
	432
	433	unlink <Op.dbmx*>;
	434	my $bad_key = 0 ;
	435	my %h = () ;
	436	ok(66, my $db = tie(%h, 'NDBM_File','Op.dbmx', O_RDWR\|O_CREAT, 0640)) ;
	437	$db->filter_fetch_key (sub { $_ =~ s/^Beta_/Alpha_/ if defined $_}) ;
	438	$db->filter_store_key (sub { $bad_key = 1 if /^Beta_/ ; $_ =~ s/^Alpha_/Beta_/}) ;
	439
	440	$h{'Alpha_ABC'} = 2 ;
	441	$h{'Alpha_DEF'} = 5 ;
	442
	443	ok(67, $h{'Alpha_ABC'} == 2);
	444	ok(68, $h{'Alpha_DEF'} == 5);
	445
	446	my ($k, $v) = ("","");
	447	while (($k, $v) = each %h) {}
	448	ok(69, $bad_key == 0);
	449
	450	$bad_key = 0 ;
	451	foreach $k (keys %h) {}
	452	ok(70, $bad_key == 0);
	453
	454	$bad_key = 0 ;
	455	foreach $v (values %h) {}
	456	ok(71, $bad_key == 0);
	457
	458	undef $db ;
	459	untie %h ;
	460	unlink <Op.dbmx*>;
	461	}
	462
	463	exit ;