[perl5.git] / ext / SDBM_File / t / sdbm.t

#!./perl

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

BEGIN {
    require Config; import Config;
    if ($Config{'extensions'} !~ /\bSDBM_File\b/) {
	print "1..0 # Skip: no SDBM_File\n";
	exit 0;
    }
}

use strict;
use warnings;

use Test::More tests => 83;

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

unlink <Op_dbmx.*>;

umask(0);
my %h ;
isa_ok(tie(%h, 'SDBM_File', 'Op_dbmx', O_RDWR|O_CREAT, 0640), 'SDBM_File');

my $Dfile = "Op_dbmx.pag";
if (! -e $Dfile) {
	($Dfile) = <Op_dbmx*>;
}
SKIP: {
    skip "different file permission semantics on $^O", 1
	if $^O eq 'amigaos' || $^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'dos' || $^O eq 'cygwin';
    my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat($Dfile);
    is($mode & 0777, 0640);
}
my $i = 0;
while (my ($key,$value) = each(%h)) {
    $i++;
}
is($i, 0);

$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);
isa_ok(tie(%h, 'SDBM_File', 'Op_dbmx', O_RDWR, 0640), 'SDBM_File');

$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);

is($#keys, 29);
is($#values, 29);

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;
    }
}

is($i, 30);

@keys = ('blurfl', keys(%h), 'dyick');
is($#keys, 31);

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

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} == $i; }
is($ok, 1, 'check cache overflow and numeric keys and contents');

my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
   $blksize,$blocks) = stat($Dfile);
cmp_ok($size, '>', 0);

@h{0..200} = 200..400;
my @foo = @h{0..200};
is(join(':',200..400), join(':',@foo));

is($h{'foo'}, '');
is($h{''}, 'bar');

is(exists $h{goner1}, '');
is(exists $h{foo}, 1);

untie %h;
unlink <Op_dbmx*>, $Dfile;

{
   # sub-class test

   package Another ;

   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 SDBM_File;
   @ISA=qw(SDBM_File);
   @EXPORT = @SDBM_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  or die "Could not close: $!";

    BEGIN { push @INC, '.'; }
    unlink <dbhash_tmp*> ;

    eval 'use SubDB ; use Fcntl ;';
    main::is($@, "");
    my %h ;
    my $X ;
    eval '
	$X = tie(%h, "SubDB","dbhash_tmp", O_RDWR|O_CREAT, 0640 );
	' ;

    main::is($@, "");

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

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

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

}

untie %h;
unlink <Op_dbmx*>, $Dfile;

{
   # DBM Filter tests
   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*>;
   $db = tie %h, 'SDBM_File', 'Op_dbmx', O_RDWR|O_CREAT, 0640;
   isa_ok($db, 'SDBM_File');

   $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(checkOutput("", "fred", "", "joe"));

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

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

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

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

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

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

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

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

   undef $db ;
   untie %h;
   unlink <Op_dbmx*>;
}

{    
    # DBM Filter with a closure

    my (%h, $db) ;

    unlink <Op_dbmx*>;
    $db = tie %h, 'SDBM_File', 'Op_dbmx', O_RDWR|O_CREAT, 0640;
    isa_ok($db, 'SDBM_File');

    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" ;

    $h{"fred"} = "joe" ;
    is($result{"store key"}, "store key - 1: [fred]");
    is($result{"store value"}, "store value - 1: [joe]");
    is($result{"fetch key"}, undef);
    is($result{"fetch value"}, undef);
    is($_, "original");

    is($db->FIRSTKEY(), "fred");
    is($result{"store key"}, "store key - 1: [fred]");
    is($result{"store value"}, "store value - 1: [joe]");
    is($result{"fetch key"}, "fetch key - 1: [fred]");
    is($result{"fetch value"}, undef);
    is($_, "original");

    $h{"jim"}  = "john" ;
    is($result{"store key"}, "store key - 2: [fred jim]");
    is($result{"store value"}, "store value - 2: [joe john]");
    is($result{"fetch key"}, "fetch key - 1: [fred]");
    is($result{"fetch value"}, undef);
    is($_, "original");

    is($h{"fred"}, "joe");
    is($result{"store key"}, "store key - 3: [fred jim fred]");
    is($result{"store value"}, "store value - 2: [joe john]");
    is($result{"fetch key"}, "fetch key - 1: [fred]");
    is($result{"fetch value"}, "fetch value - 1: [joe]");
    is($_, "original");

    undef $db ;
    untie %h;
    unlink <Op_dbmx*>;
}		

{
   # DBM Filter recursion detection
   my (%h, $db) ;
   unlink <Op_dbmx*>;

   $db = tie %h, 'SDBM_File', 'Op_dbmx', O_RDWR|O_CREAT, 0640;
   isa_ok($db, 'SDBM_File');

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

   eval '$h{1} = 1234' ;
   like($@, qr/^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 

    unlink <Op_dbmx*>;
    my %h ;
    my $a = "";
    local $SIG{__WARN__} = sub {$a = $_[0]} ;

    isa_ok(tie(%h, 'SDBM_File', 'Op_dbmx', O_RDWR|O_CREAT, 0640), 'SDBM_File');
    $h{ABC} = undef;
    is($a, "");
    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.

    unlink <Op_dbmx*>;
    my $bad_key = 0 ;
    my %h = () ;
    my $db = tie %h, 'SDBM_File','Op_dbmx', O_RDWR|O_CREAT, 0640;
    isa_ok($db, 'SDBM_File');
    $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 ;

    is($h{'Alpha_ABC'}, 2);
    is($h{'Alpha_DEF'}, 5);

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

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

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

    undef $db ;
    untie %h ;
    unlink <Op_dbmx*>;
}

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

   my %h ;
   unlink <Op1_dbmx*>;

   my $db = tie %h, 'SDBM_File', 'Op1_dbmx', O_RDWR|O_CREAT, 0640;
   isa_ok($db, 'SDBM_File');

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

   $_ = "original" ;

   $h{"fred"} = "joe" ;
   is($h{"fred"}, "joe");

   is_deeply([eval { map { $h{$_} } (1, 2, 3) }], [undef, undef, undef]);
   is($@, '');


   # 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" ;

   is($h{"fred"}, "joe");

   is($db->FIRSTKEY(), "fred");
   
   is_deeply([eval { map { $h{$_} } (1, 2, 3) }], [undef, undef, undef]);
   is($@, '');

   undef $db ;
   untie %h;
   unlink <Op1_dbmx*>;
}
Commit	Line	Data
a687059c LW	1	#!./perl
a687059c LW	2
79072805	3	# $RCSfile: dbm.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:43 $
a687059c	4
85e6fe83	5	BEGIN {
85e6fe83	6	require Config; import Config;
0468c23b	7	if ($Config{'extensions'} !~ /\bSDBM_File\b/) {
dbb032c1	8	print "1..0 # Skip: no SDBM_File\n";
85e6fe83 LW	9	exit 0;
	10	}
	11	}
698828ad JH	12
	13	use strict;
	14	use warnings;
	15
28e5c022	16	use Test::More tests => 83;
698828ad	17
8990e307	18	require SDBM_File;
a0d0e21e LW	19	#If Fcntl is not available, try 0x202 or 0x102 for O_RDWR\|O_CREAT
a0d0e21e LW	20	use Fcntl;
a687059c	21
bf99883d	22	unlink <Op_dbmx.*>;
79072805	23
a687059c	24	umask(0);
698828ad	25	my %h ;
b2c10012	26	isa_ok(tie(%h, 'SDBM_File', 'Op_dbmx', O_RDWR\|O_CREAT, 0640), 'SDBM_File');
79072805	27
698828ad	28	my $Dfile = "Op_dbmx.pag";
79072805	29	if (! -e $Dfile) {
89cebecc	30	($Dfile) = <Op_dbmx*>;
79072805	31	}
b2c10012 NC	32	SKIP: {
	33	skip "different file permission semantics on $^O", 1
	34	if $^O eq 'amigaos' \|\| $^O eq 'os2' \|\| $^O eq 'MSWin32' \|\| $^O eq 'NetWare' \|\| $^O eq 'dos' \|\| $^O eq 'cygwin';
698828ad	35	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
544a3566	36	$blksize,$blocks) = stat($Dfile);
b2c10012	37	is($mode & 0777, 0640);
544a3566	38	}
698828ad JH	39	my $i = 0;
698828ad JH	40	while (my ($key,$value) = each(%h)) {
a687059c LW	41	$i++;
a687059c LW	42	}
b2c10012	43	is($i, 0);
a687059c LW	44
	45	$h{'goner1'} = 'snork';
	46
	47	$h{'abc'} = 'ABC';
	48	$h{'def'} = 'DEF';
	49	$h{'jkl','mno'} = "JKL\034MNO";
	50	$h{'a',2,3,4,5} = join("\034",'A',2,3,4,5);
	51	$h{'a'} = 'A';
	52	$h{'b'} = 'B';
	53	$h{'c'} = 'C';
	54	$h{'d'} = 'D';
	55	$h{'e'} = 'E';
	56	$h{'f'} = 'F';
	57	$h{'g'} = 'G';
	58	$h{'h'} = 'H';
	59	$h{'i'} = 'I';
	60
	61	$h{'goner2'} = 'snork';
	62	delete $h{'goner2'};
	63
463ee0b2	64	untie(%h);
b2c10012	65	isa_ok(tie(%h, 'SDBM_File', 'Op_dbmx', O_RDWR, 0640), 'SDBM_File');
a687059c LW	66
	67	$h{'j'} = 'J';
	68	$h{'k'} = 'K';
	69	$h{'l'} = 'L';
	70	$h{'m'} = 'M';
	71	$h{'n'} = 'N';
	72	$h{'o'} = 'O';
	73	$h{'p'} = 'P';
	74	$h{'q'} = 'Q';
	75	$h{'r'} = 'R';
	76	$h{'s'} = 'S';
	77	$h{'t'} = 'T';
	78	$h{'u'} = 'U';
	79	$h{'v'} = 'V';
	80	$h{'w'} = 'W';
	81	$h{'x'} = 'X';
	82	$h{'y'} = 'Y';
	83	$h{'z'} = 'Z';
	84
	85	$h{'goner3'} = 'snork';
	86
	87	delete $h{'goner1'};
	88	delete $h{'goner3'};
	89
698828ad JH	90	my @keys = keys(%h);
698828ad JH	91	my @values = values(%h);
a687059c	92
b2c10012 NC	93	is($#keys, 29);
b2c10012 NC	94	is($#values, 29);
a687059c	95
698828ad	96	while (my ($key,$value) = each(%h)) {
2f52a358	97	if ($key eq $keys[$i] && $value eq $values[$i] && $key eq lc($value)) {
a687059c LW	98	$key =~ y/a-z/A-Z/;
	99	$i++ if $key eq $value;
	100	}
	101	}
	102
b2c10012	103	is($i, 30);
a687059c	104
c6aa4a32	105	@keys = ('blurfl', keys(%h), 'dyick');
b2c10012	106	is($#keys, 31);
a687059c	107
fe14fcc3 LW	108	$h{'foo'} = '';
	109	$h{''} = 'bar';
	110
698828ad	111	my $ok = 1;
a687059c LW	112	for ($i = 1; $i < 200; $i++) { $h{$i + 0} = $i + 0; }
a687059c LW	113	for ($i = 1; $i < 200; $i++) { $ok = 0 unless $h{$i} == $i; }
b2c10012	114	is($ok, 1, 'check cache overflow and numeric keys and contents');
a687059c	115
698828ad	116	my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
79072805	117	$blksize,$blocks) = stat($Dfile);
b2c10012	118	cmp_ok($size, '>', 0);
a687059c	119
0f85fab0	120	@h{0..200} = 200..400;
698828ad	121	my @foo = @h{0..200};
b2c10012	122	is(join(':',200..400), join(':',@foo));
fe14fcc3	123
b2c10012 NC	124	is($h{'foo'}, '');
b2c10012 NC	125	is($h{''}, 'bar');
0f85fab0	126
89cebecc NC	127	is(exists $h{goner1}, '');
	128	is(exists $h{foo}, 1);
	129
	130	untie %h;
	131	unlink <Op_dbmx*>, $Dfile;
4e2a63a7	132
4e2a63a7 PM	133	{
	134	# sub-class test
	135
	136	package Another ;
	137
4e2a63a7 PM	138	open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
	139	print FILE <<'EOM' ;
	140
	141	package SubDB ;
	142
	143	use strict ;
698828ad	144	use warnings ;
28e5c022	145	use vars qw(@ISA @EXPORT) ;
4e2a63a7 PM	146
	147	require Exporter ;
	148	use SDBM_File;
	149	@ISA=qw(SDBM_File);
28e5c022	150	@EXPORT = @SDBM_File::EXPORT ;
4e2a63a7 PM	151
	152	sub STORE {
	153	my $self = shift ;
	154	my $key = shift ;
	155	my $value = shift ;
	156	$self->SUPER::STORE($key, $value * 2) ;
	157	}
	158
	159	sub FETCH {
	160	my $self = shift ;
	161	my $key = shift ;
	162	$self->SUPER::FETCH($key) - 1 ;
	163	}
	164
	165	sub A_new_method
	166	{
	167	my $self = shift ;
	168	my $key = shift ;
	169	my $value = $self->FETCH($key) ;
	170	return "[[$value]]" ;
	171	}
	172
	173	1 ;
	174	EOM
	175
d1e4d418	176	close FILE or die "Could not close: $!";
4e2a63a7 PM	177
4e2a63a7 PM	178	BEGIN { push @INC, '.'; }
89cebecc	179	unlink <dbhash_tmp*> ;
4e2a63a7 PM	180
4e2a63a7 PM	181	eval 'use SubDB ; use Fcntl ;';
b2c10012	182	main::is($@, "");
4e2a63a7 PM	183	my %h ;
	184	my $X ;
	185	eval '
bf99883d	186	$X = tie(%h, "SubDB","dbhash_tmp", O_RDWR\|O_CREAT, 0640 );
4e2a63a7 PM	187	' ;
4e2a63a7 PM	188
b2c10012	189	main::is($@, "");
4e2a63a7 PM	190
4e2a63a7 PM	191	my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ;
b2c10012 NC	192	main::is($@, "");
b2c10012 NC	193	main::is($ret, 5);
4e2a63a7 PM	194
4e2a63a7 PM	195	$ret = eval '$X->A_new_method("fred") ' ;
b2c10012 NC	196	main::is($@, "");
b2c10012 NC	197	main::is($ret, "[[5]]");
4e2a63a7	198
fac76ed7 MB	199	undef $X;
fac76ed7 MB	200	untie(%h);
bf99883d	201	unlink "SubDB.pm", <dbhash_tmp.*> ;
4e2a63a7 PM	202
4e2a63a7 PM	203	}
f4b9d880	204
f4b9d880	205	untie %h;
9fe6733a PM	206	unlink <Op_dbmx*>, $Dfile;
	207
	208	{
	209	# DBM Filter tests
9fe6733a PM	210	my (%h, $db) ;
	211	my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	212
	213	sub checkOutput
	214	{
	215	my($fk, $sk, $fv, $sv) = @_ ;
	216	return
	217	$fetch_key eq $fk && $store_key eq $sk &&
	218	$fetch_value eq $fv && $store_value eq $sv &&
	219	$_ eq 'original' ;
	220	}
	221
	222	unlink <Op_dbmx*>;
b2c10012 NC	223	$db = tie %h, 'SDBM_File', 'Op_dbmx', O_RDWR\|O_CREAT, 0640;
b2c10012 NC	224	isa_ok($db, 'SDBM_File');
9fe6733a PM	225
	226	$db->filter_fetch_key (sub { $fetch_key = $_ }) ;
	227	$db->filter_store_key (sub { $store_key = $_ }) ;
	228	$db->filter_fetch_value (sub { $fetch_value = $_}) ;
	229	$db->filter_store_value (sub { $store_value = $_ }) ;
	230
	231	$_ = "original" ;
	232
	233	$h{"fred"} = "joe" ;
	234	# fk sk fv sv
b2c10012	235	ok(checkOutput("", "fred", "", "joe"));
9fe6733a PM	236
9fe6733a PM	237	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012	238	is($h{"fred"}, "joe");
9fe6733a	239	# fk sk fv sv
b2c10012	240	ok(checkOutput("", "fred", "joe", ""));
9fe6733a PM	241
9fe6733a PM	242	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012	243	is($db->FIRSTKEY(), "fred");
9fe6733a	244	# fk sk fv sv
b2c10012	245	ok(checkOutput("fred", "", "", ""));
9fe6733a PM	246
	247	# replace the filters, but remember the previous set
	248	my ($old_fk) = $db->filter_fetch_key
	249	(sub { $_ = uc $_ ; $fetch_key = $_ }) ;
	250	my ($old_sk) = $db->filter_store_key
	251	(sub { $_ = lc $_ ; $store_key = $_ }) ;
	252	my ($old_fv) = $db->filter_fetch_value
	253	(sub { $_ = "[$_]"; $fetch_value = $_ }) ;
	254	my ($old_sv) = $db->filter_store_value
	255	(sub { s/o/x/g; $store_value = $_ }) ;
	256
	257	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	258	$h{"Fred"} = "Joe" ;
	259	# fk sk fv sv
b2c10012	260	ok(checkOutput("", "fred", "", "Jxe"));
9fe6733a PM	261
9fe6733a PM	262	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012	263	is($h{"Fred"}, "[Jxe]");
9fe6733a	264	# fk sk fv sv
b2c10012	265	ok(checkOutput("", "fred", "[Jxe]", ""));
9fe6733a PM	266
9fe6733a PM	267	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012	268	is($db->FIRSTKEY(), "FRED");
9fe6733a	269	# fk sk fv sv
b2c10012	270	ok(checkOutput("FRED", "", "", ""));
9fe6733a PM	271
	272	# put the original filters back
	273	$db->filter_fetch_key ($old_fk);
	274	$db->filter_store_key ($old_sk);
	275	$db->filter_fetch_value ($old_fv);
	276	$db->filter_store_value ($old_sv);
	277
	278	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	279	$h{"fred"} = "joe" ;
b2c10012	280	ok(checkOutput("", "fred", "", "joe"));
9fe6733a PM	281
9fe6733a PM	282	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012 NC	283	is($h{"fred"}, "joe");
b2c10012 NC	284	ok(checkOutput("", "fred", "joe", ""));
9fe6733a PM	285
9fe6733a PM	286	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012 NC	287	is($db->FIRSTKEY(), "fred");
b2c10012 NC	288	ok(checkOutput("fred", "", "", ""));
9fe6733a PM	289
	290	# delete the filters
	291	$db->filter_fetch_key (undef);
	292	$db->filter_store_key (undef);
	293	$db->filter_fetch_value (undef);
	294	$db->filter_store_value (undef);
	295
	296	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
	297	$h{"fred"} = "joe" ;
b2c10012	298	ok(checkOutput("", "", "", ""));
9fe6733a PM	299
9fe6733a PM	300	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012 NC	301	is($h{"fred"}, "joe");
b2c10012 NC	302	ok(checkOutput("", "", "", ""));
9fe6733a PM	303
9fe6733a PM	304	($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
b2c10012 NC	305	is($db->FIRSTKEY(), "fred");
b2c10012 NC	306	ok(checkOutput("", "", "", ""));
9fe6733a PM	307
	308	undef $db ;
	309	untie %h;
	310	unlink <Op_dbmx*>;
	311	}
	312
	313	{
	314	# DBM Filter with a closure
	315
9fe6733a PM	316	my (%h, $db) ;
	317
	318	unlink <Op_dbmx*>;
b2c10012 NC	319	$db = tie %h, 'SDBM_File', 'Op_dbmx', O_RDWR\|O_CREAT, 0640;
b2c10012 NC	320	isa_ok($db, 'SDBM_File');
9fe6733a PM	321
	322	my %result = () ;
	323
	324	sub Closure
	325	{
	326	my ($name) = @_ ;
	327	my $count = 0 ;
	328	my @kept = () ;
	329
	330	return sub { ++$count ;
	331	push @kept, $_ ;
	332	$result{$name} = "$name - $count: [@kept]" ;
	333	}
	334	}
	335
	336	$db->filter_store_key(Closure("store key")) ;
	337	$db->filter_store_value(Closure("store value")) ;
	338	$db->filter_fetch_key(Closure("fetch key")) ;
	339	$db->filter_fetch_value(Closure("fetch value")) ;
	340
	341	$_ = "original" ;
	342
	343	$h{"fred"} = "joe" ;
b2c10012 NC	344	is($result{"store key"}, "store key - 1: [fred]");
	345	is($result{"store value"}, "store value - 1: [joe]");
	346	is($result{"fetch key"}, undef);
	347	is($result{"fetch value"}, undef);
	348	is($_, "original");
	349
	350	is($db->FIRSTKEY(), "fred");
	351	is($result{"store key"}, "store key - 1: [fred]");
	352	is($result{"store value"}, "store value - 1: [joe]");
	353	is($result{"fetch key"}, "fetch key - 1: [fred]");
	354	is($result{"fetch value"}, undef);
	355	is($_, "original");
9fe6733a PM	356
9fe6733a PM	357	$h{"jim"} = "john" ;
b2c10012 NC	358	is($result{"store key"}, "store key - 2: [fred jim]");
	359	is($result{"store value"}, "store value - 2: [joe john]");
	360	is($result{"fetch key"}, "fetch key - 1: [fred]");
	361	is($result{"fetch value"}, undef);
	362	is($_, "original");
	363
	364	is($h{"fred"}, "joe");
	365	is($result{"store key"}, "store key - 3: [fred jim fred]");
	366	is($result{"store value"}, "store value - 2: [joe john]");
	367	is($result{"fetch key"}, "fetch key - 1: [fred]");
	368	is($result{"fetch value"}, "fetch value - 1: [joe]");
	369	is($_, "original");
9fe6733a PM	370
	371	undef $db ;
	372	untie %h;
	373	unlink <Op_dbmx*>;
	374	}
	375
	376	{
	377	# DBM Filter recursion detection
9fe6733a PM	378	my (%h, $db) ;
	379	unlink <Op_dbmx*>;
	380
b2c10012 NC	381	$db = tie %h, 'SDBM_File', 'Op_dbmx', O_RDWR\|O_CREAT, 0640;
b2c10012 NC	382	isa_ok($db, 'SDBM_File');
9fe6733a PM	383
	384	$db->filter_store_key (sub { $_ = $h{$_} }) ;
	385
	386	eval '$h{1} = 1234' ;
b2c10012	387	like($@, qr/^recursion detected in filter_store_key at/);
9fe6733a PM	388
	389	undef $db ;
	390	untie %h;
	391	unlink <Op_dbmx*>;
f4b9d880	392	}
9fe6733a	393
cbc5248d PM	394	{
	395	# Bug ID 20001013.009
	396	#
	397	# test that $hash{KEY} = undef doesn't produce the warning
	398	# Use of uninitialized value in null operation
cbc5248d PM	399
	400	unlink <Op_dbmx*>;
	401	my %h ;
	402	my $a = "";
	403	local $SIG{__WARN__} = sub {$a = $_[0]} ;
89cebecc	404
b2c10012	405	isa_ok(tie(%h, 'SDBM_File', 'Op_dbmx', O_RDWR\|O_CREAT, 0640), 'SDBM_File');
cbc5248d	406	$h{ABC} = undef;
b2c10012	407	is($a, "");
cbc5248d PM	408	untie %h;
	409	unlink <Op_dbmx*>;
	410	}
0bf2e707 PM	411
	412	{
	413	# When iterating over a tied hash using "each", the key passed to FETCH
	414	# will be recycled and passed to NEXTKEY. If a Source Filter modifies the
	415	# key in FETCH via a filter_fetch_key method we need to check that the
	416	# modified key doesn't get passed to NEXTKEY.
	417	# Also Test "keys" & "values" while we are at it.
	418
03fbabc6	419	unlink <Op_dbmx*>;
0bf2e707 PM	420	my $bad_key = 0 ;
0bf2e707 PM	421	my %h = () ;
b2c10012 NC	422	my $db = tie %h, 'SDBM_File','Op_dbmx', O_RDWR\|O_CREAT, 0640;
b2c10012 NC	423	isa_ok($db, 'SDBM_File');
0bf2e707 PM	424	$db->filter_fetch_key (sub { $_ =~ s/^Beta_/Alpha_/ if defined $_}) ;
	425	$db->filter_store_key (sub { $bad_key = 1 if /^Beta_/ ; $_ =~ s/^Alpha_/Beta_/}) ;
	426
	427	$h{'Alpha_ABC'} = 2 ;
	428	$h{'Alpha_DEF'} = 5 ;
	429
b2c10012 NC	430	is($h{'Alpha_ABC'}, 2);
b2c10012 NC	431	is($h{'Alpha_DEF'}, 5);
0bf2e707 PM	432
	433	my ($k, $v) = ("","");
	434	while (($k, $v) = each %h) {}
b2c10012	435	is($bad_key, 0);
0bf2e707 PM	436
	437	$bad_key = 0 ;
	438	foreach $k (keys %h) {}
b2c10012	439	is($bad_key, 0);
0bf2e707 PM	440
	441	$bad_key = 0 ;
	442	foreach $v (values %h) {}
b2c10012	443	is($bad_key, 0);
0bf2e707 PM	444
	445	undef $db ;
	446	untie %h ;
03fbabc6	447	unlink <Op_dbmx*>;
0bf2e707 PM	448	}
0bf2e707 PM	449
6a31061a PM	450	{
	451	# Check that DBM Filter can cope with read-only $_
	452
6a31061a	453	my %h ;
03fbabc6	454	unlink <Op1_dbmx*>;
6a31061a	455
b2c10012 NC	456	my $db = tie %h, 'SDBM_File', 'Op1_dbmx', O_RDWR\|O_CREAT, 0640;
b2c10012 NC	457	isa_ok($db, 'SDBM_File');
6a31061a PM	458
	459	$db->filter_fetch_key (sub { }) ;
	460	$db->filter_store_key (sub { }) ;
	461	$db->filter_fetch_value (sub { }) ;
	462	$db->filter_store_value (sub { }) ;
	463
	464	$_ = "original" ;
	465
	466	$h{"fred"} = "joe" ;
b2c10012	467	is($h{"fred"}, "joe");
6a31061a	468
28e5c022	469	is_deeply([eval { map { $h{$_} } (1, 2, 3) }], [undef, undef, undef]);
b2c10012	470	is($@, '');
6a31061a PM	471
	472
	473	# delete the filters
	474	$db->filter_fetch_key (undef);
	475	$db->filter_store_key (undef);
	476	$db->filter_fetch_value (undef);
	477	$db->filter_store_value (undef);
	478
	479	$h{"fred"} = "joe" ;
	480
b2c10012	481	is($h{"fred"}, "joe");
6a31061a	482
b2c10012	483	is($db->FIRSTKEY(), "fred");
6a31061a	484
28e5c022	485	is_deeply([eval { map { $h{$_} } (1, 2, 3) }], [undef, undef, undef]);
b2c10012	486	is($@, '');
6a31061a PM	487
	488	undef $db ;
	489	untie %h;
03fbabc6	490	unlink <Op1_dbmx*>;
6a31061a	491	}