diff options
Diffstat (limited to 'cpan/DB_File/t/db-hash.t')
| -rw-r--r-- | cpan/DB_File/t/db-hash.t | 1225 |
1 files changed, 1225 insertions, 0 deletions
diff --git a/cpan/DB_File/t/db-hash.t b/cpan/DB_File/t/db-hash.t new file mode 100644 index 0000000000..4168362531 --- /dev/null +++ b/cpan/DB_File/t/db-hash.t @@ -0,0 +1,1225 @@ +#!./perl + +use warnings; +use strict; +use Config; + +BEGIN { + if($ENV{PERL_CORE}) { + if ($Config{'extensions'} !~ /\bDB_File\b/ ) { + print "1..0 # Skip: DB_File was not built\n"; + exit 0; + } + } +} + +use DB_File; +use Fcntl; + +print "1..166\n"; + +unlink glob "__db.*"; + +sub ok +{ + my $no = shift ; + my $result = shift ; + + print "not " unless $result ; + print "ok $no\n" ; + + return $result ; +} + +{ + package Redirect ; + use Symbol ; + + sub new + { + my $class = shift ; + my $filename = shift ; + my $fh = gensym ; + open ($fh, ">$filename") || die "Cannot open $filename: $!" ; + my $real_stdout = select($fh) ; + return bless [$fh, $real_stdout ] ; + + } + sub DESTROY + { + my $self = shift ; + close $self->[0] ; + select($self->[1]) ; + } +} + +sub docat_del +{ + my $file = shift; + local $/ = undef; + open(CAT,$file) || die "Cannot open $file: $!"; + my $result = <CAT>; + close(CAT); + $result = normalise($result) ; + unlink $file ; + return $result; +} + +sub normalise +{ + my $data = shift ; + $data =~ s#\r\n#\n#g + if $^O eq 'cygwin' ; + return $data ; +} + +sub safeUntie +{ + my $hashref = shift ; + my $no_inner = 1; + local $SIG{__WARN__} = sub {-- $no_inner } ; + untie %$hashref; + return $no_inner; +} + + +my $Dfile = "dbhash.tmp"; +my $Dfile2 = "dbhash2.tmp"; +my $null_keys_allowed = ($DB_File::db_ver < 2.004010 + || $DB_File::db_ver >= 3.1 ); + +unlink $Dfile; + +umask(0); + +# Check the interface to HASHINFO + +my $dbh = new DB_File::HASHINFO ; + +ok(1, ! defined $dbh->{bsize}) ; +ok(2, ! defined $dbh->{ffactor}) ; +ok(3, ! defined $dbh->{nelem}) ; +ok(4, ! defined $dbh->{cachesize}) ; +ok(5, ! defined $dbh->{hash}) ; +ok(6, ! defined $dbh->{lorder}) ; + +$dbh->{bsize} = 3000 ; +ok(7, $dbh->{bsize} == 3000 ); + +$dbh->{ffactor} = 9000 ; +ok(8, $dbh->{ffactor} == 9000 ); + +$dbh->{nelem} = 400 ; +ok(9, $dbh->{nelem} == 400 ); + +$dbh->{cachesize} = 65 ; +ok(10, $dbh->{cachesize} == 65 ); + +my $some_sub = sub {} ; +$dbh->{hash} = $some_sub; +ok(11, $dbh->{hash} eq $some_sub ); + +$dbh->{lorder} = 1234 ; +ok(12, $dbh->{lorder} == 1234 ); + +# Check that an invalid entry is caught both for store & fetch +eval '$dbh->{fred} = 1234' ; +ok(13, $@ =~ /^DB_File::HASHINFO::STORE - Unknown element 'fred' at/ ); +eval 'my $q = $dbh->{fred}' ; +ok(14, $@ =~ /^DB_File::HASHINFO::FETCH - Unknown element 'fred' at/ ); + + +# Now check the interface to HASH +my ($X, %h); +ok(15, $X = tie(%h, 'DB_File',$Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); +die "Could not tie: $!" unless $X; + +my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, + $blksize,$blocks) = stat($Dfile); + +my %noMode = map { $_, 1} qw( amigaos MSWin32 NetWare cygwin ) ; + +ok(16, ($mode & 0777) == (($^O eq 'os2' || $^O eq 'MacOS') ? 0666 : 0640) || + $noMode{$^O} ); + +my ($key, $value, $i); +while (($key,$value) = each(%h)) { + $i++; +} +ok(17, !$i ); + +$h{'goner1'} = 'snork'; + +$h{'abc'} = 'ABC'; +ok(18, $h{'abc'} eq 'ABC' ); +ok(19, !defined $h{'jimmy'} ); +ok(20, !exists $h{'jimmy'} ); +ok(21, exists $h{'abc'} ); + +$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'; +$X->STORE('b', 'B') ; + +$h{'c'} = 'C'; + +#$h{'d'} = 'D'; +$X->put('d', 'D') ; + +$h{'e'} = 'E'; +$h{'f'} = 'F'; +$h{'g'} = 'X'; +$h{'h'} = 'H'; +$h{'i'} = 'I'; + +$h{'goner2'} = 'snork'; +delete $h{'goner2'}; + + +# IMPORTANT - $X must be undefined before the untie otherwise the +# underlying DB close routine will not get called. +undef $X ; +untie(%h); + + +# tie to the same file again, do not supply a type - should default to HASH +ok(22, $X = tie(%h,'DB_File',$Dfile, O_RDWR, 0640) ); + +# Modify an entry from the previous tie +$h{'g'} = 'G'; + +$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 $h{'goner1'}; +$X->DELETE('goner3'); + +my @keys = keys(%h); +my @values = values(%h); + +ok(23, $#keys == 29 && $#values == 29) ; + +$i = 0 ; +while (($key,$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; + } +} + +ok(24, $i == 30) ; + +@keys = ('blurfl', keys(%h), 'dyick'); +ok(25, $#keys == 31) ; + +$h{'foo'} = ''; +ok(26, $h{'foo'} eq '' ); + +# Berkeley DB from version 2.4.10 to 3.0 does not allow null keys. +# This feature was reenabled in version 3.1 of Berkeley DB. +my $result = 0 ; +if ($null_keys_allowed) { + $h{''} = 'bar'; + $result = ( $h{''} eq 'bar' ); +} +else + { $result = 1 } +ok(27, $result) ; + +# 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; } +ok(28, $ok ); + +($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, + $blksize,$blocks) = stat($Dfile); +ok(29, $size > 0 ); + +@h{0..200} = 200..400; +my @foo = @h{0..200}; +ok(30, join(':',200..400) eq join(':',@foo) ); + + +# Now check all the non-tie specific stuff + +# Check NOOVERWRITE will make put fail when attempting to overwrite +# an existing record. + +my $status = $X->put( 'x', 'newvalue', R_NOOVERWRITE) ; +ok(31, $status == 1 ); + +# check that the value of the key 'x' has not been changed by the +# previous test +ok(32, $h{'x'} eq 'X' ); + +# standard put +$status = $X->put('key', 'value') ; +ok(33, $status == 0 ); + +#check that previous put can be retrieved +$value = 0 ; +$status = $X->get('key', $value) ; +ok(34, $status == 0 ); +ok(35, $value eq 'value' ); + +# Attempting to delete an existing key should work + +$status = $X->del('q') ; +ok(36, $status == 0 ); + +# Make sure that the key deleted, cannot be retrieved +{ + no warnings 'uninitialized' ; + ok(37, $h{'q'} eq undef ); +} + +# Attempting to delete a non-existant key should fail + +$status = $X->del('joe') ; +ok(38, $status == 1 ); + +# Check the get interface + +# First a non-existing key +$status = $X->get('aaaa', $value) ; +ok(39, $status == 1 ); + +# Next an existing key +$status = $X->get('a', $value) ; +ok(40, $status == 0 ); +ok(41, $value eq 'A' ); + +# seq +# ### + +# ditto, but use put to replace the key/value pair. + +# use seq to walk backwards through a file - check that this reversed is + +# check seq FIRST/LAST + +# sync +# #### + +$status = $X->sync ; +ok(42, $status == 0 ); + + +# fd +# ## + +$status = $X->fd ; +ok(43, 1 ); +#ok(43, $status != 0 ); + +undef $X ; +untie %h ; + +unlink $Dfile; + +# clear +# ##### + +ok(44, tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); +foreach (1 .. 10) + { $h{$_} = $_ * 100 } + +# check that there are 10 elements in the hash +$i = 0 ; +while (($key,$value) = each(%h)) { + $i++; +} +ok(45, $i == 10); + +# now clear the hash +%h = () ; + +# check it is empty +$i = 0 ; +while (($key,$value) = each(%h)) { + $i++; +} +ok(46, $i == 0); + +untie %h ; +unlink $Dfile ; + + +# Now try an in memory file +ok(47, $X = tie(%h, 'DB_File',undef, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + +# fd with an in memory file should return fail +$status = $X->fd ; +ok(48, $status == -1 ); + +undef $X ; +untie %h ; + +{ + # check ability to override the default hashing + my %x ; + my $filename = "xyz" ; + my $hi = new DB_File::HASHINFO ; + $::count = 0 ; + $hi->{hash} = sub { ++$::count ; length $_[0] } ; + ok(49, tie %x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $hi ) ; + $h{"abc"} = 123 ; + ok(50, $h{"abc"} == 123) ; + untie %x ; + unlink $filename ; + ok(51, $::count >0) ; +} + +{ + # check that attempting to tie an array to a DB_HASH will fail + + my $filename = "xyz" ; + my @x ; + eval { tie @x, 'DB_File', $filename, O_RDWR|O_CREAT, 0640, $DB_HASH ; } ; + ok(52, $@ =~ /^DB_File can only tie an associative array to a DB_HASH database/) ; + unlink $filename ; +} + +{ + # sub-class test + + package Another ; + + use warnings ; + use strict ; + + open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ; + print FILE <<'EOM' ; + + package SubDB ; + + use warnings ; + use strict ; + our (@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(53, $@ eq "") ; + my %h ; + my $X ; + eval ' + $X = tie(%h, "SubDB","dbhash.tmp", O_RDWR|O_CREAT, 0640, $DB_HASH ); + ' ; + + main::ok(54, $@ eq "") ; + + my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ; + main::ok(55, $@ eq "") ; + main::ok(56, $ret == 5) ; + + my $value = 0; + $ret = eval '$X->put("joe", 4) ; $X->get("joe", $value) ; return $value' ; + main::ok(57, $@ eq "") ; + main::ok(58, $ret == 10) ; + + $ret = eval ' R_NEXT eq main::R_NEXT ' ; + main::ok(59, $@ eq "" ) ; + main::ok(60, $ret == 1) ; + + $ret = eval '$X->A_new_method("joe") ' ; + main::ok(61, $@ eq "") ; + main::ok(62, $ret eq "[[11]]") ; + + undef $X; + untie(%h); + unlink "SubDB.pm", "dbhash.tmp" ; + +} + +{ + # DBM Filter tests + use warnings ; + use strict ; + my (%h, $db) ; + my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + unlink $Dfile; + + sub checkOutput + { + no warnings 'uninitialized'; + my($fk, $sk, $fv, $sv) = @_ ; + + print "# Fetch Key : expected '$fk' got '$fetch_key'\n" + if $fetch_key ne $fk ; + print "# Fetch Value : expected '$fv' got '$fetch_value'\n" + if $fetch_value ne $fv ; + print "# Store Key : expected '$sk' got '$store_key'\n" + if $store_key ne $sk ; + print "# Store Value : expected '$sv' got '$store_value'\n" + if $store_value ne $sv ; + print "# \$_ : expected 'original' got '$_'\n" + if $_ ne 'original' ; + + return + $fetch_key eq $fk && $store_key eq $sk && + $fetch_value eq $fv && $store_value eq $sv && + $_ eq 'original' ; + } + + ok(63, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + $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" ; + + $h{"fred"} = "joe" ; + # fk sk fv sv + ok(64, checkOutput( "", "fred", "", "joe")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(65, $h{"fred"} eq "joe"); + # fk sk fv sv + ok(66, checkOutput( "", "fred", "joe", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + my ($k, $v) ; + $k = 'fred'; + ok(67, ! $db->seq($k, $v, R_FIRST) ) ; + ok(68, $k eq "fred") ; + ok(69, $v eq "joe") ; + # fk sk fv sv + ok(70, checkOutput( "fred", "fred", "joe", "")) ; + + # replace the filters, but remember the previous set + my ($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 ; + $h{"Fred"} = "Joe" ; + # fk sk fv sv + ok(71, checkOutput( "", "fred", "", "Jxe")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(72, $h{"Fred"} eq "[Jxe]"); + # fk sk fv sv + ok(73, checkOutput( "", "fred", "[Jxe]", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + $k = 'Fred'; $v =''; + ok(74, ! $db->seq($k, $v, R_FIRST) ) ; + ok(75, $k eq "FRED") or + print "# k [$k]\n" ; + ok(76, $v eq "[Jxe]") ; + # fk sk fv sv + ok(77, checkOutput( "FRED", "fred", "[Jxe]", "")) ; + + # 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 ; + $h{"fred"} = "joe" ; + ok(78, checkOutput( "", "fred", "", "joe")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(79, $h{"fred"} eq "joe"); + ok(80, checkOutput( "", "fred", "joe", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + #ok(77, $db->FIRSTKEY() eq "fred") ; + $k = 'fred'; + ok(81, ! $db->seq($k, $v, R_FIRST) ) ; + ok(82, $k eq "fred") ; + ok(83, $v eq "joe") ; + # fk sk fv sv + ok(84, checkOutput( "fred", "fred", "joe", "")) ; + + # 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 ; + $h{"fred"} = "joe" ; + ok(85, checkOutput( "", "", "", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + ok(86, $h{"fred"} eq "joe"); + ok(87, checkOutput( "", "", "", "")) ; + + ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ; + $k = 'fred'; + ok(88, ! $db->seq($k, $v, R_FIRST) ) ; + ok(89, $k eq "fred") ; + ok(90, $v eq "joe") ; + ok(91, checkOutput( "", "", "", "")) ; + + undef $db ; + untie %h; + unlink $Dfile; +} + +{ + # DBM Filter with a closure + + use warnings ; + use strict ; + my (%h, $db) ; + + unlink $Dfile; + ok(92, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + my %result = () ; + + sub Closure + { + my ($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(93, $result{"store key"} eq "store key - 1: [fred]"); + ok(94, $result{"store value"} eq "store value - 1: [joe]"); + ok(95, ! defined $result{"fetch key"} ); + ok(96, ! defined $result{"fetch value"} ); + ok(97, $_ eq "original") ; + + ok(98, $db->FIRSTKEY() eq "fred") ; + ok(99, $result{"store key"} eq "store key - 1: [fred]"); + ok(100, $result{"store value"} eq "store value - 1: [joe]"); + ok(101, $result{"fetch key"} eq "fetch key - 1: [fred]"); + ok(102, ! defined $result{"fetch value"} ); + ok(103, $_ eq "original") ; + + $h{"jim"} = "john" ; + ok(104, $result{"store key"} eq "store key - 2: [fred jim]"); + ok(105, $result{"store value"} eq "store value - 2: [joe john]"); + ok(106, $result{"fetch key"} eq "fetch key - 1: [fred]"); + ok(107, ! defined $result{"fetch value"} ); + ok(108, $_ eq "original") ; + + ok(109, $h{"fred"} eq "joe"); + ok(110, $result{"store key"} eq "store key - 3: [fred jim fred]"); + ok(111, $result{"store value"} eq "store value - 2: [joe john]"); + ok(112, $result{"fetch key"} eq "fetch key - 1: [fred]"); + ok(113, $result{"fetch value"} eq "fetch value - 1: [joe]"); + ok(114, $_ eq "original") ; + + undef $db ; + untie %h; + unlink $Dfile; +} + +{ + # DBM Filter recursion detection + use warnings ; + use strict ; + my (%h, $db) ; + unlink $Dfile; + + ok(115, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + $db->filter_store_key (sub { $_ = $h{$_} }) ; + + eval '$h{1} = 1234' ; + ok(116, $@ =~ /^recursion detected in filter_store_key at/ ); + + undef $db ; + untie %h; + unlink $Dfile; +} + + +{ + # Examples from the POD + + my $file = "xyzt" ; + { + my $redirect = new Redirect $file ; + + use warnings FATAL => qw(all); + use strict ; + use DB_File ; + our (%h, $k, $v); + + unlink "fruit" ; + tie %h, "DB_File", "fruit", O_RDWR|O_CREAT, 0640, $DB_HASH + or die "Cannot open file 'fruit': $!\n"; + + # Add a few key/value pairs to the file + $h{"apple"} = "red" ; + $h{"orange"} = "orange" ; + $h{"banana"} = "yellow" ; + $h{"tomato"} = "red" ; + + # Check for existence of a key + print "Banana Exists\n\n" if $h{"banana"} ; + + # Delete a key/value pair. + delete $h{"apple"} ; + + # print the contents of the file + while (($k, $v) = each %h) + { print "$k -> $v\n" } + + untie %h ; + + unlink "fruit" ; + } + + ok(117, docat_del($file) eq <<'EOM') ; +Banana Exists + +orange -> orange +tomato -> red +banana -> yellow +EOM + +} + +{ + # 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 DB_File ; + + unlink $Dfile; + my %h ; + my $a = ""; + local $SIG{__WARN__} = sub {$a = $_[0]} ; + + tie %h, 'DB_File', $Dfile or die "Can't open file: $!\n" ; + $h{ABC} = undef; + ok(118, $a eq "") ; + untie %h ; + unlink $Dfile; +} + +{ + # test that %hash = () doesn't produce the warning + # Argument "" isn't numeric in entersub + use warnings ; + use strict ; + use DB_File ; + + unlink $Dfile; + my %h ; + my $a = ""; + local $SIG{__WARN__} = sub {$a = $_[0]} ; + + tie %h, 'DB_File', $Dfile or die "Can't open file: $!\n" ; + %h = (); ; + ok(119, $a eq "") ; + untie %h ; + unlink $Dfile; +} + +{ + # 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 DB_File ; + + unlink $Dfile; + my $bad_key = 0 ; + my %h = () ; + my $db ; + ok(120, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + $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(121, $h{'Alpha_ABC'} == 2); + ok(122, $h{'Alpha_DEF'} == 5); + + my ($k, $v) = ("",""); + while (($k, $v) = each %h) {} + ok(123, $bad_key == 0); + + $bad_key = 0 ; + foreach $k (keys %h) {} + ok(124, $bad_key == 0); + + $bad_key = 0 ; + foreach $v (values %h) {} + ok(125, $bad_key == 0); + + undef $db ; + untie %h ; + unlink $Dfile; +} + +{ + # now an error to pass 'hash' a non-code reference + my $dbh = new DB_File::HASHINFO ; + + eval { $dbh->{hash} = 2 }; + ok(126, $@ =~ /^Key 'hash' not associated with a code reference at/); + +} + + +#{ +# # recursion detection in hash +# my %hash ; +# my $Dfile = "xxx.db"; +# unlink $Dfile; +# my $dbh = new DB_File::HASHINFO ; +# $dbh->{hash} = sub { $hash{3} = 4 ; length $_[0] } ; +# +# +# ok(127, tie(%hash, 'DB_File',$Dfile, O_RDWR|O_CREAT, 0640, $dbh ) ); +# +# eval { $hash{1} = 2; +# $hash{4} = 5; +# }; +# +# ok(128, $@ =~ /^DB_File hash callback: recursion detected/); +# { +# no warnings; +# untie %hash; +# } +# unlink $Dfile; +#} + +#ok(127, 1); +#ok(128, 1); + +{ + # Check that two hash's don't interact + my %hash1 ; + my %hash2 ; + my $h1_count = 0; + my $h2_count = 0; + unlink $Dfile, $Dfile2; + my $dbh1 = new DB_File::HASHINFO ; + $dbh1->{hash} = sub { ++ $h1_count ; length $_[0] } ; + + my $dbh2 = new DB_File::HASHINFO ; + $dbh2->{hash} = sub { ++ $h2_count ; length $_[0] } ; + + + + my (%h); + ok(127, tie(%hash1, 'DB_File',$Dfile, O_RDWR|O_CREAT, 0640, $dbh1 ) ); + ok(128, tie(%hash2, 'DB_File',$Dfile2, O_RDWR|O_CREAT, 0640, $dbh2 ) ); + + $hash1{DEFG} = 5; + $hash1{XYZ} = 2; + $hash1{ABCDE} = 5; + + $hash2{defg} = 5; + $hash2{xyz} = 2; + $hash2{abcde} = 5; + + ok(129, $h1_count > 0); + ok(130, $h1_count == $h2_count); + + ok(131, safeUntie \%hash1); + ok(132, safeUntie \%hash2); + unlink $Dfile, $Dfile2; +} + +{ + # Passing undef for flags and/or mode when calling tie could cause + # Use of uninitialized value in subroutine entry + + + my $warn_count = 0 ; + #local $SIG{__WARN__} = sub { ++ $warn_count }; + my %hash1; + unlink $Dfile; + + tie %hash1, 'DB_File',$Dfile, undef; + ok(133, $warn_count == 0); + $warn_count = 0; + untie %hash1; + unlink $Dfile; + tie %hash1, 'DB_File',$Dfile, O_RDWR|O_CREAT, undef; + ok(134, $warn_count == 0); + untie %hash1; + unlink $Dfile; + tie %hash1, 'DB_File',$Dfile, undef, undef; + ok(135, $warn_count == 0); + $warn_count = 0; + + untie %hash1; + unlink $Dfile; +} + +{ + # Check that DBM Filter can cope with read-only $_ + + use warnings ; + use strict ; + my (%h, $db) ; + my $Dfile = "xxy.db"; + unlink $Dfile; + + ok(136, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + $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(137, $h{"fred"} eq "joe"); + + eval { my @r= grep { $h{$_} } (1, 2, 3) }; + ok (138, ! $@); + + + # 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(139, $h{"fred"} eq "joe"); + + ok(140, $db->FIRSTKEY() eq "fred") ; + + eval { my @r= grep { $h{$_} } (1, 2, 3) }; + ok (141, ! $@); + + undef $db ; + untie %h; + unlink $Dfile; +} + +{ + # Check low-level API works with filter + + use warnings ; + use strict ; + my (%h, $db) ; + my $Dfile = "xxy.db"; + unlink $Dfile; + + ok(142, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + + $db->filter_fetch_key (sub { $_ = unpack("i", $_) } ); + $db->filter_store_key (sub { $_ = pack("i", $_) } ); + $db->filter_fetch_value (sub { $_ = unpack("i", $_) } ); + $db->filter_store_value (sub { $_ = pack("i", $_) } ); + + $_ = 'fred'; + + my $key = 22 ; + my $value = 34 ; + + $db->put($key, $value) ; + ok 143, $key == 22; + ok 144, $value == 34 ; + ok 145, $_ eq 'fred'; + #print "k [$key][$value]\n" ; + + my $val ; + $db->get($key, $val) ; + ok 146, $key == 22; + ok 147, $val == 34 ; + ok 148, $_ eq 'fred'; + + $key = 51 ; + $value = 454; + $h{$key} = $value ; + ok 149, $key == 51; + ok 150, $value == 454 ; + ok 151, $_ eq 'fred'; + + undef $db ; + untie %h; + unlink $Dfile; +} + + +{ + # Regression Test for bug 30237 + # Check that substr can be used in the key to db_put + # and that db_put does not trigger the warning + # + # Use of uninitialized value in subroutine entry + + + use warnings ; + use strict ; + my (%h, $db) ; + my $Dfile = "xxy.db"; + unlink $Dfile; + + ok(152, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + my $warned = ''; + local $SIG{__WARN__} = sub {$warned = $_[0]} ; + + # db-put with substr of key + my %remember = () ; + for my $ix ( 1 .. 2 ) + { + my $key = $ix . "data" ; + my $value = "value$ix" ; + $remember{$key} = $value ; + $db->put(substr($key,0), $value) ; + } + + ok 153, $warned eq '' + or print "# Caught warning [$warned]\n" ; + + # db-put with substr of value + $warned = ''; + for my $ix ( 10 .. 12 ) + { + my $key = $ix . "data" ; + my $value = "value$ix" ; + $remember{$key} = $value ; + $db->put($key, substr($value,0)) ; + } + + ok 154, $warned eq '' + or print "# Caught warning [$warned]\n" ; + + # via the tied hash is not a problem, but check anyway + # substr of key + $warned = ''; + for my $ix ( 30 .. 32 ) + { + my $key = $ix . "data" ; + my $value = "value$ix" ; + $remember{$key} = $value ; + $h{substr($key,0)} = $value ; + } + + ok 155, $warned eq '' + or print "# Caught warning [$warned]\n" ; + + # via the tied hash is not a problem, but check anyway + # substr of value + $warned = ''; + for my $ix ( 40 .. 42 ) + { + my $key = $ix . "data" ; + my $value = "value$ix" ; + $remember{$key} = $value ; + $h{$key} = substr($value,0) ; + } + + ok 156, $warned eq '' + or print "# Caught warning [$warned]\n" ; + + my %bad = () ; + $key = ''; + for ($status = $db->seq(substr($key,0), substr($value,0), R_FIRST ) ; + $status == 0 ; + $status = $db->seq(substr($key,0), substr($value,0), R_NEXT ) ) { + + #print "# key [$key] value [$value]\n" ; + if (defined $remember{$key} && defined $value && + $remember{$key} eq $value) { + delete $remember{$key} ; + } + else { + $bad{$key} = $value ; + } + } + + ok 157, keys %bad == 0 ; + ok 158, keys %remember == 0 ; + + print "# missing -- $key=>$value\n" while ($key, $value) = each %remember; + print "# bad -- $key=>$value\n" while ($key, $value) = each %bad; + + # Make sure this fix does not break code to handle an undef key + # Berkeley DB undef key is broken between versions 2.3.16 and 3.1 + my $value = 'fred'; + $warned = ''; + $db->put(undef, $value) ; + ok 159, $warned eq '' + or print "# Caught warning [$warned]\n" ; + $warned = ''; + + my $no_NULL = ($DB_File::db_ver >= 2.003016 && $DB_File::db_ver < 3.001) ; + print "# db_ver $DB_File::db_ver\n"; + $value = '' ; + $db->get(undef, $value) ; + ok 160, $no_NULL || $value eq 'fred' or print "# got [$value]\n" ; + ok 161, $warned eq '' + or print "# Caught warning [$warned]\n" ; + $warned = ''; + + undef $db ; + untie %h; + unlink $Dfile; +} + +{ + # Check filter + substr + + use warnings ; + use strict ; + my (%h, $db) ; + my $Dfile = "xxy.db"; + unlink $Dfile; + + ok(162, $db = tie(%h, 'DB_File', $Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) ); + + + { + $db->filter_fetch_key (sub { lc $_ } ); + $db->filter_store_key (sub { uc $_ } ); + $db->filter_fetch_value (sub { lc $_ } ); + $db->filter_store_value (sub { uc $_ } ); + } + + $_ = 'fred'; + + # db-put with substr of key + my %remember = () ; + my $status = 0 ; + for my $ix ( 1 .. 2 ) + { + my $key = $ix . "data" ; + my $value = "value$ix" ; + $remember{$key} = $value ; + $status += $db->put(substr($key,0), substr($value,0)) ; + } + + ok 163, $status == 0 or print "# Status $status\n" ; + + if (1) + { + $db->filter_fetch_key (undef); + $db->filter_store_key (undef); + $db->filter_fetch_value (undef); + $db->filter_store_value (undef); + } + + my %bad = () ; + my $key = ''; + my $value = ''; + for ($status = $db->seq($key, $value, R_FIRST ) ; + $status == 0 ; + $status = $db->seq($key, $value, R_NEXT ) ) { + + #print "# key [$key] value [$value]\n" ; + if (defined $remember{$key} && defined $value && + $remember{$key} eq $value) { + delete $remember{$key} ; + } + else { + $bad{$key} = $value ; + } + } + + ok 164, $_ eq 'fred'; + ok 165, keys %bad == 0 ; + ok 166, keys %remember == 0 ; + + print "# missing -- $key $value\n" while ($key, $value) = each %remember; + print "# bad -- $key $value\n" while ($key, $value) = each %bad; + undef $db ; + untie %h; + unlink $Dfile; +} + +exit ; |