[p5sagit/p5-mst-13.2.git] / t / lib / db-recno.t

#!./perl -w

BEGIN {
    @INC = '../lib' if -d '../lib' ;
    require Config; import Config;
    if ($Config{'extensions'} !~ /\bDB_File\b/) {
	print "1..0\n";
	exit 0;
    }
}

use DB_File; 
use Fcntl;
use strict ;
use vars qw($dbh $Dfile $bad_ones $FA) ;

# full tied array support started in Perl 5.004_57
$FA = ($] >= 5.004_57) ;

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

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

    return $result ;
}

sub bad_one
{
    print STDERR <<EOM unless $bad_ones++ ;
#
# Some older versions of Berkeley DB will fail tests 51, 53 and 55.
#
# You can safely ignore the errors if you're never going to use the
# broken functionality (recno databases with a modified bval). 
# Otherwise you'll have to upgrade your DB library.
#
# If you want to upgrade Berkeley DB, the most recent version is 1.85.
# Check out http://www.bostic.com/db for more details.
#
EOM
}

print "1..78\n";

my $Dfile = "recno.tmp";
unlink $Dfile ;

umask(0);

# Check the interface to RECNOINFO

my $dbh = new DB_File::RECNOINFO ;
ok(1, ! defined $dbh->{bval}) ;
ok(2, ! defined $dbh->{cachesize}) ;
ok(3, ! defined $dbh->{psize}) ;
ok(4, ! defined $dbh->{flags}) ;
ok(5, ! defined $dbh->{lorder}) ;
ok(6, ! defined $dbh->{reclen}) ;
ok(7, ! defined $dbh->{bfname}) ;

$dbh->{bval} = 3000 ;
ok(8, $dbh->{bval} == 3000 );

$dbh->{cachesize} = 9000 ;
ok(9, $dbh->{cachesize} == 9000 );

$dbh->{psize} = 400 ;
ok(10, $dbh->{psize} == 400 );

$dbh->{flags} = 65 ;
ok(11, $dbh->{flags} == 65 );

$dbh->{lorder} = 123 ;
ok(12, $dbh->{lorder} == 123 );

$dbh->{reclen} = 1234 ;
ok(13, $dbh->{reclen} == 1234 );

$dbh->{bfname} = 1234 ;
ok(14, $dbh->{bfname} == 1234 );


# Check that an invalid entry is caught both for store & fetch
eval '$dbh->{fred} = 1234' ;
ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ );
eval 'my $q = $dbh->{fred}' ;
ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ );

# Now check the interface to RECNOINFO

my $X  ;
my @h ;
ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ;

ok(18, ((stat($Dfile))[2] & 0777) == (($^O eq 'os2' || $^O eq 'MSWin32') ? 0666 : 0640)
	|| $^O eq 'amigaos') ;

#my $l = @h ;
my $l = $X->length ;
ok(19, ($FA ? @h == 0 : !$l) );

my @data = qw( a b c d ever f g h  i j k longername m n o p) ;

$h[0] = shift @data ;
ok(20, $h[0] eq 'a' );

my $ i;
foreach (@data)
  { $h[++$i] = $_ }

unshift (@data, 'a') ;

ok(21, defined $h[1] );
ok(22, ! defined $h[16] );
ok(23, $FA ? @h == @data : $X->length == @data );


# Overwrite an entry & check fetch it
$h[3] = 'replaced' ;
$data[3] = 'replaced' ;
ok(24, $h[3] eq 'replaced' );

#PUSH
my @push_data = qw(added to the end) ;
($FA ? push(@h, @push_data) : $X->push(@push_data)) ;
push (@data, @push_data) ;
ok(25, $h[++$i] eq 'added' );
ok(26, $h[++$i] eq 'to' );
ok(27, $h[++$i] eq 'the' );
ok(28, $h[++$i] eq 'end' );

# POP
my $popped = pop (@data) ;
my $value = ($FA ? pop @h : $X->pop) ;
ok(29, $value eq $popped) ;

# SHIFT
$value = ($FA ? shift @h : $X->shift) ;
my $shifted = shift @data ;
ok(30, $value eq $shifted );

# UNSHIFT

# empty list
($FA ? unshift @h : $X->unshift) ;
ok(31, ($FA ? @h == @data : $X->length == @data ));

my @new_data = qw(add this to the start of the array) ;
$FA ? unshift (@h, @new_data) : $X->unshift (@new_data) ;
unshift (@data, @new_data) ;
ok(32, $FA ? @h == @data : $X->length == @data );
ok(33, $h[0] eq "add") ;
ok(34, $h[1] eq "this") ;
ok(35, $h[2] eq "to") ;
ok(36, $h[3] eq "the") ;
ok(37, $h[4] eq "start") ;
ok(38, $h[5] eq "of") ;
ok(39, $h[6] eq "the") ;
ok(40, $h[7] eq "array") ;
ok(41, $h[8] eq $data[8]) ;

# SPLICE

# Now both arrays should be identical

my $ok = 1 ;
my $j = 0 ;
foreach (@data)
{
   $ok = 0, last if $_ ne $h[$j ++] ; 
}
ok(42, $ok );

# Neagtive subscripts

# get the last element of the array
ok(43, $h[-1] eq $data[-1] );
ok(44, $h[-1] eq $h[ ($FA ? @h : $X->length) -1] );

# get the first element using a negative subscript
eval '$h[ - ( $FA ? @h : $X->length)] = "abcd"' ;
ok(45, $@ eq "" );
ok(46, $h[0] eq "abcd" );

# now try to read before the start of the array
eval '$h[ - (1 + ($FA ? @h : $X->length))] = 1234' ;
ok(47, $@ =~ '^Modification of non-creatable array value attempted' );

# IMPORTANT - $X must be undefined before the untie otherwise the
#             underlying DB close routine will not get called.
undef $X ;
untie(@h);

unlink $Dfile;

sub docat
{
    my $file = shift;
    local $/ = undef;
    open(CAT,$file) || die "Cannot open $file:$!";
    my $result = <CAT>;
    close(CAT);
    return $result;
}


{
    # Check bval defaults to \n

    my @h = () ;
    my $dbh = new DB_File::RECNOINFO ;
    ok(48, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
    $h[0] = "abc" ;
    $h[1] = "def" ;
    $h[3] = "ghi" ;
    untie @h ;
    my $x = docat($Dfile) ;
    unlink $Dfile;
    ok(49, $x eq "abc\ndef\n\nghi\n") ;
}

{
    # Change bval

    my @h = () ;
    my $dbh = new DB_File::RECNOINFO ;
    $dbh->{bval} = "-" ;
    ok(50, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
    $h[0] = "abc" ;
    $h[1] = "def" ;
    $h[3] = "ghi" ;
    untie @h ;
    my $x = docat($Dfile) ;
    unlink $Dfile;
    my $ok = ($x eq "abc-def--ghi-") ;
    bad_one() unless $ok ;
    ok(51, $ok) ;
}

{
    # Check R_FIXEDLEN with default bval (space)

    my @h = () ;
    my $dbh = new DB_File::RECNOINFO ;
    $dbh->{flags} = R_FIXEDLEN ;
    $dbh->{reclen} = 5 ;
    ok(52, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
    $h[0] = "abc" ;
    $h[1] = "def" ;
    $h[3] = "ghi" ;
    untie @h ;
    my $x = docat($Dfile) ;
    unlink $Dfile;
    my $ok = ($x eq "abc  def       ghi  ") ;
    bad_one() unless $ok ;
    ok(53, $ok) ;
}

{
    # Check R_FIXEDLEN with user-defined bval

    my @h = () ;
    my $dbh = new DB_File::RECNOINFO ;
    $dbh->{flags} = R_FIXEDLEN ;
    $dbh->{bval} = "-" ;
    $dbh->{reclen} = 5 ;
    ok(54, tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ;
    $h[0] = "abc" ;
    $h[1] = "def" ;
    $h[3] = "ghi" ;
    untie @h ;
    my $x = docat($Dfile) ;
    unlink $Dfile;
    my $ok = ($x eq "abc--def-------ghi--") ;
    bad_one() unless $ok ;
    ok(55, $ok) ;
}

{
    # check that attempting to tie an associative array to a DB_RECNO will fail

    my $filename = "xyz" ;
    my %x ;
    eval { tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_RECNO ; } ;
    ok(56, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ;
    unlink $filename ;
}

{
   # sub-class test

   package Another ;

   use strict ;

   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 DB_File;
   @ISA=qw(DB_File);
   @EXPORT = @DB_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 put { 
	my $self = shift ;
        my $key = shift ;
        my $value = shift ;
        $self->SUPER::put($key, $value * 3) ;
   }

   sub get { 
	my $self = shift ;
        $self->SUPER::get($_[0], $_[1]) ;
	$_[1] -= 2 ;
   }

   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 ; ';
    main::ok(57, $@ eq "") ;
    my @h ;
    my $X ;
    eval '
	$X = tie(@h, "SubDB","recno.tmp", O_RDWR|O_CREAT, 0640, $DB_RECNO );
	' ;

    main::ok(58, $@ eq "") ;

    my $ret = eval '$h[3] = 3 ; return $h[3] ' ;
    main::ok(59, $@ eq "") ;
    main::ok(60, $ret == 5) ;

    my $value = 0;
    $ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ;
    main::ok(61, $@ eq "") ;
    main::ok(62, $ret == 10) ;

    $ret = eval ' R_NEXT eq main::R_NEXT ' ;
    main::ok(63, $@ eq "" ) ;
    main::ok(64, $ret == 1) ;

    $ret = eval '$X->A_new_method(1) ' ;
    main::ok(65, $@ eq "") ;
    main::ok(66, $ret eq "[[11]]") ;

    undef $X;
    untie(@h);
    unlink "SubDB.pm", "recno.tmp" ;

}

{

    # test $#
    my $self ;
    unlink $Dfile;
    ok(67, $self = tie @h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_RECNO ) ;
    $h[0] = "abc" ;
    $h[1] = "def" ;
    $h[2] = "ghi" ;
    $h[3] = "jkl" ;
    ok(68, $FA ? $#h == 3 : $self->length() == 4) ;
    undef $self ;
    untie @h ;
    my $x = docat($Dfile) ;
    ok(69, $x eq "abc\ndef\nghi\njkl\n") ;

    # $# sets array to same length
    ok(70, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
    if ($FA)
      { $#h = 3 }
    else 
      { $self->STORESIZE(4) }
    ok(71, $FA ? $#h == 3 : $self->length() == 4) ;
    undef $self ;
    untie @h ;
    $x = docat($Dfile) ;
    ok(72, $x eq "abc\ndef\nghi\njkl\n") ;

    # $# sets array to bigger
    ok(73, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
    if ($FA)
      { $#h = 6 }
    else 
      { $self->STORESIZE(7) }
    ok(74, $FA ? $#h == 6 : $self->length() == 7) ;
    undef $self ;
    untie @h ;
    $x = docat($Dfile) ;
    ok(75, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ;

    # $# sets array smaller
    ok(76, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
    if ($FA)
      { $#h = 2 }
    else 
      { $self->STORESIZE(3) }
    ok(77, $FA ? $#h == 2 : $self->length() == 3) ;
    undef $self ;
    untie @h ;
    $x = docat($Dfile) ;
    ok(78, $x eq "abc\ndef\nghi\n") ;

    unlink $Dfile;


}

exit ;
Commit	Line	Data
f6b705ef	1	#!./perl -w
a0d0e21e	2
a0d0e21e	3	BEGIN {
55497cff	4	@INC = '../lib' if -d '../lib' ;
a0d0e21e	5	require Config; import Config;
	6	if ($Config{'extensions'} !~ /\bDB_File\b/) {
	7	print "1..0\n";
	8	exit 0;
	9	}
	10	}
	11
	12	use DB_File;
	13	use Fcntl;
55d68b4a	14	use strict ;
045291aa	15	use vars qw($dbh $Dfile $bad_ones $FA) ;
	16
	17	# full tied array support started in Perl 5.004_57
	18	$FA = ($] >= 5.004_57) ;
a0d0e21e	19
55d68b4a	20	sub ok
	21	{
	22	my $no = shift ;
	23	my $result = shift ;
a0d0e21e	24
55d68b4a	25	print "not " unless $result ;
55d68b4a	26	print "ok $no\n" ;
6250ba0a	27
	28	return $result ;
	29	}
	30
	31	sub bad_one
	32	{
25268f15	33	print STDERR <<EOM unless $bad_ones++ ;
25268f15	34	#
6250ba0a	35	# Some older versions of Berkeley DB will fail tests 51, 53 and 55.
	36	#
	37	# You can safely ignore the errors if you're never going to use the
	38	# broken functionality (recno databases with a modified bval).
	39	# Otherwise you'll have to upgrade your DB library.
	40	#
	41	# If you want to upgrade Berkeley DB, the most recent version is 1.85.
	42	# Check out http://www.bostic.com/db for more details.
	43	#
	44	EOM
55d68b4a	45	}
55d68b4a	46
045291aa	47	print "1..78\n";
55d68b4a	48
	49	my $Dfile = "recno.tmp";
	50	unlink $Dfile ;
a0d0e21e	51
	52	umask(0);
	53
	54	# Check the interface to RECNOINFO
	55
55d68b4a	56	my $dbh = new DB_File::RECNOINFO ;
3fe9a6f1	57	ok(1, ! defined $dbh->{bval}) ;
	58	ok(2, ! defined $dbh->{cachesize}) ;
	59	ok(3, ! defined $dbh->{psize}) ;
	60	ok(4, ! defined $dbh->{flags}) ;
	61	ok(5, ! defined $dbh->{lorder}) ;
	62	ok(6, ! defined $dbh->{reclen}) ;
	63	ok(7, ! defined $dbh->{bfname}) ;
a0d0e21e	64
a0d0e21e	65	$dbh->{bval} = 3000 ;
f6b705ef	66	ok(8, $dbh->{bval} == 3000 );
a0d0e21e	67
a0d0e21e	68	$dbh->{cachesize} = 9000 ;
f6b705ef	69	ok(9, $dbh->{cachesize} == 9000 );
a0d0e21e	70
a0d0e21e	71	$dbh->{psize} = 400 ;
f6b705ef	72	ok(10, $dbh->{psize} == 400 );
a0d0e21e	73
a0d0e21e	74	$dbh->{flags} = 65 ;
f6b705ef	75	ok(11, $dbh->{flags} == 65 );
a0d0e21e	76
a0d0e21e	77	$dbh->{lorder} = 123 ;
f6b705ef	78	ok(12, $dbh->{lorder} == 123 );
a0d0e21e	79
a0d0e21e	80	$dbh->{reclen} = 1234 ;
f6b705ef	81	ok(13, $dbh->{reclen} == 1234 );
a0d0e21e	82
a0d0e21e	83	$dbh->{bfname} = 1234 ;
f6b705ef	84	ok(14, $dbh->{bfname} == 1234 );
a0d0e21e	85
	86
	87	# Check that an invalid entry is caught both for store & fetch
	88	eval '$dbh->{fred} = 1234' ;
f6b705ef	89	ok(15, $@ =~ /^DB_File::RECNOINFO::STORE - Unknown element 'fred' at/ );
55d68b4a	90	eval 'my $q = $dbh->{fred}' ;
f6b705ef	91	ok(16, $@ =~ /^DB_File::RECNOINFO::FETCH - Unknown element 'fred' at/ );
a0d0e21e	92
	93	# Now check the interface to RECNOINFO
	94
55d68b4a	95	my $X ;
	96	my @h ;
	97	ok(17, $X = tie @h, 'DB_File', $Dfile, O_RDWR\|O_CREAT, 0640, $DB_RECNO ) ;
a0d0e21e	98
a6ed719b	99	ok(18, ((stat($Dfile))[2] & 0777) == (($^O eq 'os2' \|\| $^O eq 'MSWin32') ? 0666 : 0640)
b971f6e4	100	\|\| $^O eq 'amigaos') ;
a0d0e21e	101
55d68b4a	102	#my $l = @h ;
55d68b4a	103	my $l = $X->length ;
045291aa	104	ok(19, ($FA ? @h == 0 : !$l) );
a0d0e21e	105
55d68b4a	106	my @data = qw( a b c d ever f g h i j k longername m n o p) ;
a0d0e21e	107
a0d0e21e	108	$h[0] = shift @data ;
f6b705ef	109	ok(20, $h[0] eq 'a' );
a0d0e21e	110
55d68b4a	111	my $ i;
a0d0e21e	112	foreach (@data)
	113	{ $h[++$i] = $_ }
	114
	115	unshift (@data, 'a') ;
	116
f6b705ef	117	ok(21, defined $h[1] );
f6b705ef	118	ok(22, ! defined $h[16] );
045291aa	119	ok(23, $FA ? @h == @data : $X->length == @data );
a0d0e21e	120
	121
	122	# Overwrite an entry & check fetch it
	123	$h[3] = 'replaced' ;
	124	$data[3] = 'replaced' ;
f6b705ef	125	ok(24, $h[3] eq 'replaced' );
a0d0e21e	126
a0d0e21e	127	#PUSH
55d68b4a	128	my @push_data = qw(added to the end) ;
045291aa	129	($FA ? push(@h, @push_data) : $X->push(@push_data)) ;
a0d0e21e	130	push (@data, @push_data) ;
f6b705ef	131	ok(25, $h[++$i] eq 'added' );
	132	ok(26, $h[++$i] eq 'to' );
	133	ok(27, $h[++$i] eq 'the' );
	134	ok(28, $h[++$i] eq 'end' );
a0d0e21e	135
a0d0e21e	136	# POP
f6b705ef	137	my $popped = pop (@data) ;
045291aa	138	my $value = ($FA ? pop @h : $X->pop) ;
f6b705ef	139	ok(29, $value eq $popped) ;
a0d0e21e	140
a0d0e21e	141	# SHIFT
045291aa	142	$value = ($FA ? shift @h : $X->shift) ;
f6b705ef	143	my $shifted = shift @data ;
f6b705ef	144	ok(30, $value eq $shifted );
a0d0e21e	145
	146	# UNSHIFT
	147
	148	# empty list
045291aa	149	($FA ? unshift @h : $X->unshift) ;
045291aa	150	ok(31, ($FA ? @h == @data : $X->length == @data ));
a0d0e21e	151
55d68b4a	152	my @new_data = qw(add this to the start of the array) ;
045291aa	153	$FA ? unshift (@h, @new_data) : $X->unshift (@new_data) ;
a0d0e21e	154	unshift (@data, @new_data) ;
045291aa	155	ok(32, $FA ? @h == @data : $X->length == @data );
f6b705ef	156	ok(33, $h[0] eq "add") ;
	157	ok(34, $h[1] eq "this") ;
	158	ok(35, $h[2] eq "to") ;
	159	ok(36, $h[3] eq "the") ;
	160	ok(37, $h[4] eq "start") ;
	161	ok(38, $h[5] eq "of") ;
	162	ok(39, $h[6] eq "the") ;
	163	ok(40, $h[7] eq "array") ;
	164	ok(41, $h[8] eq $data[8]) ;
a0d0e21e	165
	166	# SPLICE
	167
	168	# Now both arrays should be identical
	169
55d68b4a	170	my $ok = 1 ;
55d68b4a	171	my $j = 0 ;
a0d0e21e	172	foreach (@data)
	173	{
	174	$ok = 0, last if $_ ne $h[$j ++] ;
	175	}
f6b705ef	176	ok(42, $ok );
a0d0e21e	177
55d68b4a	178	# Neagtive subscripts
	179
	180	# get the last element of the array
f6b705ef	181	ok(43, $h[-1] eq $data[-1] );
045291aa	182	ok(44, $h[-1] eq $h[ ($FA ? @h : $X->length) -1] );
55d68b4a	183
55d68b4a	184	# get the first element using a negative subscript
045291aa	185	eval '$h[ - ( $FA ? @h : $X->length)] = "abcd"' ;
f6b705ef	186	ok(45, $@ eq "" );
f6b705ef	187	ok(46, $h[0] eq "abcd" );
55d68b4a	188
55d68b4a	189	# now try to read before the start of the array
045291aa	190	eval '$h[ - (1 + ($FA ? @h : $X->length))] = 1234' ;
f6b705ef	191	ok(47, $@ =~ '^Modification of non-creatable array value attempted' );
55d68b4a	192
a0d0e21e	193	# IMPORTANT - $X must be undefined before the untie otherwise the
	194	# underlying DB close routine will not get called.
	195	undef $X ;
	196	untie(@h);
	197
	198	unlink $Dfile;
	199
a6ed719b	200	sub docat
	201	{
	202	my $file = shift;
	203	local $/ = undef;
	204	open(CAT,$file) \|\| die "Cannot open $file:$!";
	205	my $result = <CAT>;
	206	close(CAT);
	207	return $result;
	208	}
	209
	210
36477c24	211	{
	212	# Check bval defaults to \n
	213
	214	my @h = () ;
	215	my $dbh = new DB_File::RECNOINFO ;
	216	ok(48, tie @h, 'DB_File', $Dfile, O_RDWR\|O_CREAT, 0640, $dbh ) ;
	217	$h[0] = "abc" ;
	218	$h[1] = "def" ;
	219	$h[3] = "ghi" ;
	220	untie @h ;
a6ed719b	221	my $x = docat($Dfile) ;
36477c24	222	unlink $Dfile;
6250ba0a	223	ok(49, $x eq "abc\ndef\n\nghi\n") ;
36477c24	224	}
	225
	226	{
	227	# Change bval
	228
	229	my @h = () ;
	230	my $dbh = new DB_File::RECNOINFO ;
	231	$dbh->{bval} = "-" ;
	232	ok(50, tie @h, 'DB_File', $Dfile, O_RDWR\|O_CREAT, 0640, $dbh ) ;
	233	$h[0] = "abc" ;
	234	$h[1] = "def" ;
	235	$h[3] = "ghi" ;
	236	untie @h ;
a6ed719b	237	my $x = docat($Dfile) ;
36477c24	238	unlink $Dfile;
6250ba0a	239	my $ok = ($x eq "abc-def--ghi-") ;
	240	bad_one() unless $ok ;
	241	ok(51, $ok) ;
36477c24	242	}
	243
	244	{
	245	# Check R_FIXEDLEN with default bval (space)
	246
	247	my @h = () ;
	248	my $dbh = new DB_File::RECNOINFO ;
	249	$dbh->{flags} = R_FIXEDLEN ;
	250	$dbh->{reclen} = 5 ;
	251	ok(52, tie @h, 'DB_File', $Dfile, O_RDWR\|O_CREAT, 0640, $dbh ) ;
	252	$h[0] = "abc" ;
	253	$h[1] = "def" ;
	254	$h[3] = "ghi" ;
	255	untie @h ;
a6ed719b	256	my $x = docat($Dfile) ;
36477c24	257	unlink $Dfile;
6250ba0a	258	my $ok = ($x eq "abc def ghi ") ;
	259	bad_one() unless $ok ;
	260	ok(53, $ok) ;
36477c24	261	}
	262
	263	{
	264	# Check R_FIXEDLEN with user-defined bval
	265
	266	my @h = () ;
	267	my $dbh = new DB_File::RECNOINFO ;
	268	$dbh->{flags} = R_FIXEDLEN ;
	269	$dbh->{bval} = "-" ;
	270	$dbh->{reclen} = 5 ;
	271	ok(54, tie @h, 'DB_File', $Dfile, O_RDWR\|O_CREAT, 0640, $dbh ) ;
	272	$h[0] = "abc" ;
	273	$h[1] = "def" ;
	274	$h[3] = "ghi" ;
	275	untie @h ;
a6ed719b	276	my $x = docat($Dfile) ;
36477c24	277	unlink $Dfile;
6250ba0a	278	my $ok = ($x eq "abc--def-------ghi--") ;
	279	bad_one() unless $ok ;
	280	ok(55, $ok) ;
36477c24	281	}
36477c24	282
05475680	283	{
	284	# check that attempting to tie an associative array to a DB_RECNO will fail
	285
	286	my $filename = "xyz" ;
	287	my %x ;
	288	eval { tie %x, 'DB_File', $filename, O_RDWR\|O_CREAT, 0640, $DB_RECNO ; } ;
	289	ok(56, $@ =~ /^DB_File can only tie an array to a DB_RECNO database/) ;
	290	unlink $filename ;
	291	}
	292
a6ed719b	293	{
	294	# sub-class test
	295
	296	package Another ;
	297
	298	use strict ;
	299
	300	open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
	301	print FILE <<'EOM' ;
	302
	303	package SubDB ;
	304
	305	use strict ;
	306	use vars qw( @ISA @EXPORT) ;
	307
	308	require Exporter ;
	309	use DB_File;
	310	@ISA=qw(DB_File);
	311	@EXPORT = @DB_File::EXPORT ;
	312
	313	sub STORE {
	314	my $self = shift ;
	315	my $key = shift ;
	316	my $value = shift ;
	317	$self->SUPER::STORE($key, $value * 2) ;
	318	}
	319
	320	sub FETCH {
	321	my $self = shift ;
	322	my $key = shift ;
	323	$self->SUPER::FETCH($key) - 1 ;
	324	}
	325
	326	sub put {
	327	my $self = shift ;
	328	my $key = shift ;
	329	my $value = shift ;
	330	$self->SUPER::put($key, $value * 3) ;
	331	}
	332
	333	sub get {
	334	my $self = shift ;
	335	$self->SUPER::get($_[0], $_[1]) ;
	336	$_[1] -= 2 ;
	337	}
	338
	339	sub A_new_method
	340	{
	341	my $self = shift ;
	342	my $key = shift ;
	343	my $value = $self->FETCH($key) ;
	344	return "[[$value]]" ;
	345	}
	346
	347	1 ;
	348	EOM
	349
	350	close FILE ;
	351
045291aa	352	BEGIN { push @INC, '.'; }
a6ed719b	353	eval 'use SubDB ; ';
	354	main::ok(57, $@ eq "") ;
	355	my @h ;
	356	my $X ;
	357	eval '
	358	$X = tie(@h, "SubDB","recno.tmp", O_RDWR\|O_CREAT, 0640, $DB_RECNO );
	359	' ;
	360
	361	main::ok(58, $@ eq "") ;
	362
	363	my $ret = eval '$h[3] = 3 ; return $h[3] ' ;
	364	main::ok(59, $@ eq "") ;
	365	main::ok(60, $ret == 5) ;
	366
	367	my $value = 0;
	368	$ret = eval '$X->put(1, 4) ; $X->get(1, $value) ; return $value' ;
	369	main::ok(61, $@ eq "") ;
	370	main::ok(62, $ret == 10) ;
	371
	372	$ret = eval ' R_NEXT eq main::R_NEXT ' ;
	373	main::ok(63, $@ eq "" ) ;
	374	main::ok(64, $ret == 1) ;
	375
	376	$ret = eval '$X->A_new_method(1) ' ;
	377	main::ok(65, $@ eq "") ;
	378	main::ok(66, $ret eq "[[11]]") ;
	379
fac76ed7	380	undef $X;
fac76ed7	381	untie(@h);
a6ed719b	382	unlink "SubDB.pm", "recno.tmp" ;
	383
	384	}
	385
045291aa	386	{
	387
	388	# test $#
	389	my $self ;
	390	unlink $Dfile;
	391	ok(67, $self = tie @h, 'DB_File', $Dfile, O_RDWR\|O_CREAT, 0640, $DB_RECNO ) ;
	392	$h[0] = "abc" ;
	393	$h[1] = "def" ;
	394	$h[2] = "ghi" ;
	395	$h[3] = "jkl" ;
	396	ok(68, $FA ? $#h == 3 : $self->length() == 4) ;
	397	undef $self ;
	398	untie @h ;
	399	my $x = docat($Dfile) ;
	400	ok(69, $x eq "abc\ndef\nghi\njkl\n") ;
	401
	402	# $# sets array to same length
	403	ok(70, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
	404	if ($FA)
	405	{ $#h = 3 }
	406	else
	407	{ $self->STORESIZE(4) }
	408	ok(71, $FA ? $#h == 3 : $self->length() == 4) ;
	409	undef $self ;
	410	untie @h ;
	411	$x = docat($Dfile) ;
	412	ok(72, $x eq "abc\ndef\nghi\njkl\n") ;
	413
	414	# $# sets array to bigger
	415	ok(73, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
	416	if ($FA)
	417	{ $#h = 6 }
	418	else
	419	{ $self->STORESIZE(7) }
	420	ok(74, $FA ? $#h == 6 : $self->length() == 7) ;
	421	undef $self ;
	422	untie @h ;
	423	$x = docat($Dfile) ;
	424	ok(75, $x eq "abc\ndef\nghi\njkl\n\n\n\n") ;
	425
	426	# $# sets array smaller
	427	ok(76, $self = tie @h, 'DB_File', $Dfile, O_RDWR, 0640, $DB_RECNO ) ;
	428	if ($FA)
	429	{ $#h = 2 }
	430	else
	431	{ $self->STORESIZE(3) }
	432	ok(77, $FA ? $#h == 2 : $self->length() == 3) ;
	433	undef $self ;
	434	untie @h ;
	435	$x = docat($Dfile) ;
	436	ok(78, $x eq "abc\ndef\nghi\n") ;
	437
	438	unlink $Dfile;
	439
	440
	441	}
	442
a0d0e21e	443	exit ;