hash.t
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:20k
- #!./perl -w
- # ID: %I%, %G%
- use strict ;
- BEGIN {
- unless(grep /blib/, @INC) {
- chdir 't' if -d 't';
- @INC = '../lib' if -d '../lib';
- }
- }
- #use Config;
- #
- #BEGIN {
- # if(-d "lib" && -f "TEST") {
- # if ($Config{'extensions'} !~ /bBerkeleyDBb/ ) {
- # print "1..74n";
- # exit 0;
- # }
- # }
- #}
- use BerkeleyDB;
- use File::Path qw(rmtree);
- print "1..210n";
- my %DB_errors = (
- 'DB_INCOMPLETE' => "DB_INCOMPLETE: Sync was unable to complete",
- 'DB_KEYEMPTY' => "DB_KEYEMPTY: Non-existent key/data pair",
- 'DB_KEYEXIST' => "DB_KEYEXIST: Key/data pair already exists",
- 'DB_LOCK_DEADLOCK' => "DB_LOCK_DEADLOCK: Locker killed to resolve a deadlock",
- 'DB_LOCK_NOTGRANTED' => "DB_LOCK_NOTGRANTED: Lock not granted",
- 'DB_NOTFOUND' => "DB_NOTFOUND: No matching key/data pair found",
- 'DB_OLD_VERSION' => "DB_OLDVERSION: Database requires a version upgrade",
- 'DB_RUNRECOVERY' => "DB_RUNRECOVERY: Fatal error, run database recovery",
- ) ;
- {
- package LexFile ;
- sub new
- {
- my $self = shift ;
- unlink @_ ;
- bless [ @_ ], $self ;
- }
- sub DESTROY
- {
- my $self = shift ;
- unlink @{ $self } ;
- }
- }
- sub ok
- {
- my $no = shift ;
- my $result = shift ;
-
- print "not " unless $result ;
- print "ok $non" ;
- }
- my $Dfile = "dbhash.tmp";
- my $Dfile2 = "dbhash2.tmp";
- my $Dfile3 = "dbhash3.tmp";
- unlink $Dfile;
- umask(0) ;
- # Check for invalid parameters
- {
- # Check for invalid parameters
- my $db ;
- eval ' $db = new BerkeleyDB::Hash -Stupid => 3 ; ' ;
- ok 1, $@ =~ /unknown key value(s) Stupid/ ;
- eval ' $db = new BerkeleyDB::Hash -Bad => 2, -Mode => 0345, -Stupid => 3; ' ;
- ok 2, $@ =~ /unknown key value(s) (Bad |Stupid ){2}/ ;
- eval ' $db = new BerkeleyDB::Hash -Env => 2 ' ;
- ok 3, $@ =~ /^Env not of type BerkeleyDB::Env/ ;
- eval ' $db = new BerkeleyDB::Hash -Txn => "fred" ' ;
- ok 4, $@ =~ /^Txn not of type BerkeleyDB::Txn/ ;
- my $obj = bless [], "main" ;
- eval ' $db = new BerkeleyDB::Hash -Env => $obj ' ;
- ok 5, $@ =~ /^Env not of type BerkeleyDB::Env/ ;
- }
- # Now check the interface to HASH
- {
- my $lex = new LexFile $Dfile ;
- ok 6, my $db = new BerkeleyDB::Hash -Filename => $Dfile,
- -Flags => DB_CREATE ;
- # Add a k/v pair
- my $value ;
- my $status ;
- ok 7, $db->db_put("some key", "some value") == 0 ;
- ok 8, $db->status() == 0 ;
- ok 9, $db->db_get("some key", $value) == 0 ;
- ok 10, $value eq "some value" ;
- ok 11, $db->db_put("key", "value") == 0 ;
- ok 12, $db->db_get("key", $value) == 0 ;
- ok 13, $value eq "value" ;
- ok 14, $db->db_del("some key") == 0 ;
- ok 15, ($status = $db->db_get("some key", $value)) == DB_NOTFOUND ;
- ok 16, $status eq $DB_errors{'DB_NOTFOUND'} ;
- ok 17, $db->status() == DB_NOTFOUND ;
- ok 18, $db->status() eq $DB_errors{'DB_NOTFOUND'};
- ok 19, $db->db_sync() == 0 ;
- # Check NOOVERWRITE will make put fail when attempting to overwrite
- # an existing record.
- ok 20, $db->db_put( 'key', 'x', DB_NOOVERWRITE) == DB_KEYEXIST ;
- ok 21, $db->status() eq $DB_errors{'DB_KEYEXIST'};
- ok 22, $db->status() == DB_KEYEXIST ;
- # check that the value of the key has not been changed by the
- # previous test
- ok 23, $db->db_get("key", $value) == 0 ;
- ok 24, $value eq "value" ;
- # test DB_GET_BOTH
- my ($k, $v) = ("key", "value") ;
- ok 25, $db->db_get($k, $v, DB_GET_BOTH) == 0 ;
- ($k, $v) = ("key", "fred") ;
- ok 26, $db->db_get($k, $v, DB_GET_BOTH) == DB_NOTFOUND ;
- ($k, $v) = ("another", "value") ;
- ok 27, $db->db_get($k, $v, DB_GET_BOTH) == DB_NOTFOUND ;
- }
- {
- # Check simple env works with a hash.
- my $lex = new LexFile $Dfile ;
- my $home = "./fred" ;
- ok 28, -d $home ? chmod 0777, $home : mkdir($home, 0777) ;
- ok 29, my $env = new BerkeleyDB::Env -Flags => DB_CREATE| DB_INIT_MPOOL,
- -Home => $home ;
- ok 30, my $db = new BerkeleyDB::Hash -Filename => $Dfile,
- -Env => $env,
- -Flags => DB_CREATE ;
- # Add a k/v pair
- my $value ;
- ok 31, $db->db_put("some key", "some value") == 0 ;
- ok 32, $db->db_get("some key", $value) == 0 ;
- ok 33, $value eq "some value" ;
- undef $db ;
- undef $env ;
- rmtree $home ;
- }
- {
- # override default hash
- my $lex = new LexFile $Dfile ;
- my $value ;
- $::count = 0 ;
- ok 34, my $db = new BerkeleyDB::Hash -Filename => $Dfile,
- -Hash => sub { ++$::count ; length $_[0] },
- -Flags => DB_CREATE ;
- ok 35, $db->db_put("some key", "some value") == 0 ;
- ok 36, $db->db_get("some key", $value) == 0 ;
- ok 37, $value eq "some value" ;
- ok 38, $::count > 0 ;
- }
-
- {
- # cursors
- my $lex = new LexFile $Dfile ;
- my %hash ;
- my ($k, $v) ;
- ok 39, my $db = new BerkeleyDB::Hash -Filename => $Dfile,
- -Flags => DB_CREATE ;
- # create some data
- my %data = (
- "red" => 2,
- "green" => "house",
- "blue" => "sea",
- ) ;
- my $ret = 0 ;
- while (($k, $v) = each %data) {
- $ret += $db->db_put($k, $v) ;
- }
- ok 40, $ret == 0 ;
- # create the cursor
- ok 41, my $cursor = $db->db_cursor() ;
- $k = $v = "" ;
- my %copy = %data ;
- my $extras = 0 ;
- # sequence forwards
- while ($cursor->c_get($k, $v, DB_NEXT) == 0) {
- if ( $copy{$k} eq $v )
- { delete $copy{$k} }
- else
- { ++ $extras }
- }
- ok 42, $cursor->status() == DB_NOTFOUND ;
- ok 43, $cursor->status() eq $DB_errors{'DB_NOTFOUND'} ;
- ok 44, keys %copy == 0 ;
- ok 45, $extras == 0 ;
- # sequence backwards
- %copy = %data ;
- $extras = 0 ;
- my $status ;
- for ( $status = $cursor->c_get($k, $v, DB_LAST) ;
- $status == 0 ;
- $status = $cursor->c_get($k, $v, DB_PREV)) {
- if ( $copy{$k} eq $v )
- { delete $copy{$k} }
- else
- { ++ $extras }
- }
- ok 46, $status == DB_NOTFOUND ;
- ok 47, $status eq $DB_errors{'DB_NOTFOUND'} ;
- ok 48, $cursor->status() == $status ;
- ok 49, $cursor->status() eq $status ;
- ok 50, keys %copy == 0 ;
- ok 51, $extras == 0 ;
- ($k, $v) = ("green", "house") ;
- ok 52, $cursor->c_get($k, $v, DB_GET_BOTH) == 0 ;
- ($k, $v) = ("green", "door") ;
- ok 53, $cursor->c_get($k, $v, DB_GET_BOTH) == DB_NOTFOUND ;
- ($k, $v) = ("black", "house") ;
- ok 54, $cursor->c_get($k, $v, DB_GET_BOTH) == DB_NOTFOUND ;
-
- }
-
- {
- # Tied Hash interface
- my $lex = new LexFile $Dfile ;
- my %hash ;
- ok 55, tie %hash, 'BerkeleyDB::Hash', -Filename => $Dfile,
- -Flags => DB_CREATE ;
- # check "each" with an empty database
- my $count = 0 ;
- while (my ($k, $v) = each %hash) {
- ++ $count ;
- }
- ok 56, (tied %hash)->status() == DB_NOTFOUND ;
- ok 57, $count == 0 ;
- # Add a k/v pair
- my $value ;
- $hash{"some key"} = "some value";
- ok 58, (tied %hash)->status() == 0 ;
- ok 59, $hash{"some key"} eq "some value";
- ok 60, defined $hash{"some key"} ;
- ok 61, (tied %hash)->status() == 0 ;
- ok 62, exists $hash{"some key"} ;
- ok 63, !defined $hash{"jimmy"} ;
- ok 64, (tied %hash)->status() == DB_NOTFOUND ;
- ok 65, !exists $hash{"jimmy"} ;
- ok 66, (tied %hash)->status() == DB_NOTFOUND ;
- delete $hash{"some key"} ;
- ok 67, (tied %hash)->status() == 0 ;
- ok 68, ! defined $hash{"some key"} ;
- ok 69, (tied %hash)->status() == DB_NOTFOUND ;
- ok 70, ! exists $hash{"some key"} ;
- ok 71, (tied %hash)->status() == DB_NOTFOUND ;
- $hash{1} = 2 ;
- $hash{10} = 20 ;
- $hash{1000} = 2000 ;
- my ($keys, $values) = (0,0);
- $count = 0 ;
- while (my ($k, $v) = each %hash) {
- $keys += $k ;
- $values += $v ;
- ++ $count ;
- }
- ok 72, $count == 3 ;
- ok 73, $keys == 1011 ;
- ok 74, $values == 2022 ;
- # now clear the hash
- %hash = () ;
- ok 75, keys %hash == 0 ;
- untie %hash ;
- }
- {
- # in-memory file
- my $lex = new LexFile $Dfile ;
- my %hash ;
- my $fd ;
- my $value ;
- ok 76, my $db = tie %hash, 'BerkeleyDB::Hash' ;
- ok 77, $db->db_put("some key", "some value") == 0 ;
- ok 78, $db->db_get("some key", $value) == 0 ;
- ok 79, $value eq "some value" ;
- undef $db ;
- untie %hash ;
- }
-
- {
- # partial
- # check works via API
- my $lex = new LexFile $Dfile ;
- my %hash ;
- my $value ;
- ok 80, my $db = tie %hash, 'BerkeleyDB::Hash', -Filename => $Dfile,
- -Flags => DB_CREATE ;
- # create some data
- my %data = (
- "red" => "boat",
- "green" => "house",
- "blue" => "sea",
- ) ;
- my $ret = 0 ;
- while (my ($k, $v) = each %data) {
- $ret += $db->db_put($k, $v) ;
- }
- ok 81, $ret == 0 ;
- # do a partial get
- my($pon, $off, $len) = $db->partial_set(0,2) ;
- ok 82, $pon == 0 && $off == 0 && $len == 0 ;
- ok 83, ( $db->db_get("red", $value) == 0) && $value eq "bo" ;
- ok 84, ( $db->db_get("green", $value) == 0) && $value eq "ho" ;
- ok 85, ( $db->db_get("blue", $value) == 0) && $value eq "se" ;
- # do a partial get, off end of data
- ($pon, $off, $len) = $db->partial_set(3,2) ;
- ok 86, $pon ;
- ok 87, $off == 0 ;
- ok 88, $len == 2 ;
- ok 89, $db->db_get("red", $value) == 0 && $value eq "t" ;
- ok 90, $db->db_get("green", $value) == 0 && $value eq "se" ;
- ok 91, $db->db_get("blue", $value) == 0 && $value eq "" ;
- # switch of partial mode
- ($pon, $off, $len) = $db->partial_clear() ;
- ok 92, $pon ;
- ok 93, $off == 3 ;
- ok 94, $len == 2 ;
- ok 95, $db->db_get("red", $value) == 0 && $value eq "boat" ;
- ok 96, $db->db_get("green", $value) == 0 && $value eq "house" ;
- ok 97, $db->db_get("blue", $value) == 0 && $value eq "sea" ;
- # now partial put
- ($pon, $off, $len) = $db->partial_set(0,2) ;
- ok 98, ! $pon ;
- ok 99, $off == 0 ;
- ok 100, $len == 0 ;
- ok 101, $db->db_put("red", "") == 0 ;
- ok 102, $db->db_put("green", "AB") == 0 ;
- ok 103, $db->db_put("blue", "XYZ") == 0 ;
- ok 104, $db->db_put("new", "KLM") == 0 ;
- $db->partial_clear() ;
- ok 105, $db->db_get("red", $value) == 0 && $value eq "at" ;
- ok 106, $db->db_get("green", $value) == 0 && $value eq "ABuse" ;
- ok 107, $db->db_get("blue", $value) == 0 && $value eq "XYZa" ;
- ok 108, $db->db_get("new", $value) == 0 && $value eq "KLM" ;
- # now partial put
- $db->partial_set(3,2) ;
- ok 109, $db->db_put("red", "PPP") == 0 ;
- ok 110, $db->db_put("green", "Q") == 0 ;
- ok 111, $db->db_put("blue", "XYZ") == 0 ;
- ok 112, $db->db_put("new", "--") == 0 ;
- ($pon, $off, $len) = $db->partial_clear() ;
- ok 113, $pon ;
- ok 114, $off == 3 ;
- ok 115, $len == 2 ;
- ok 116, $db->db_get("red", $value) == 0 && $value eq "at PPP" ;
- ok 117, $db->db_get("green", $value) == 0 && $value eq "ABuQ" ;
- ok 118, $db->db_get("blue", $value) == 0 && $value eq "XYZXYZ" ;
- ok 119, $db->db_get("new", $value) == 0 && $value eq "KLM--" ;
- }
- {
- # partial
- # check works via tied hash
- my $lex = new LexFile $Dfile ;
- my %hash ;
- my $value ;
- ok 120, my $db = tie %hash, 'BerkeleyDB::Hash', -Filename => $Dfile,
- -Flags => DB_CREATE ;
- # create some data
- my %data = (
- "red" => "boat",
- "green" => "house",
- "blue" => "sea",
- ) ;
- while (my ($k, $v) = each %data) {
- $hash{$k} = $v ;
- }
- # do a partial get
- $db->partial_set(0,2) ;
- ok 121, $hash{"red"} eq "bo" ;
- ok 122, $hash{"green"} eq "ho" ;
- ok 123, $hash{"blue"} eq "se" ;
- # do a partial get, off end of data
- $db->partial_set(3,2) ;
- ok 124, $hash{"red"} eq "t" ;
- ok 125, $hash{"green"} eq "se" ;
- ok 126, $hash{"blue"} eq "" ;
- # switch of partial mode
- $db->partial_clear() ;
- ok 127, $hash{"red"} eq "boat" ;
- ok 128, $hash{"green"} eq "house" ;
- ok 129, $hash{"blue"} eq "sea" ;
- # now partial put
- $db->partial_set(0,2) ;
- ok 130, $hash{"red"} = "" ;
- ok 131, $hash{"green"} = "AB" ;
- ok 132, $hash{"blue"} = "XYZ" ;
- ok 133, $hash{"new"} = "KLM" ;
- $db->partial_clear() ;
- ok 134, $hash{"red"} eq "at" ;
- ok 135, $hash{"green"} eq "ABuse" ;
- ok 136, $hash{"blue"} eq "XYZa" ;
- ok 137, $hash{"new"} eq "KLM" ;
- # now partial put
- $db->partial_set(3,2) ;
- ok 138, $hash{"red"} = "PPP" ;
- ok 139, $hash{"green"} = "Q" ;
- ok 140, $hash{"blue"} = "XYZ" ;
- ok 141, $hash{"new"} = "TU" ;
- $db->partial_clear() ;
- ok 142, $hash{"red"} eq "at PPP" ;
- ok 143, $hash{"green"} eq "ABuQ" ;
- ok 144, $hash{"blue"} eq "XYZXYZ" ;
- ok 145, $hash{"new"} eq "KLMTU" ;
- }
- {
- # transaction
- my $lex = new LexFile $Dfile ;
- my %hash ;
- my $value ;
- my $home = "./fred" ;
- rmtree $home if -e $home ;
- ok 146, mkdir($home, 0777) ;
- ok 147, my $env = new BerkeleyDB::Env -Home => $home,
- -Flags => DB_CREATE|DB_INIT_TXN|
- DB_INIT_MPOOL|DB_INIT_LOCK ;
- ok 148, my $txn = $env->txn_begin() ;
- ok 149, my $db1 = tie %hash, 'BerkeleyDB::Hash', -Filename => $Dfile,
- -Flags => DB_CREATE ,
- -Env => $env,
- -Txn => $txn ;
-
- # create some data
- my %data = (
- "red" => "boat",
- "green" => "house",
- "blue" => "sea",
- ) ;
- my $ret = 0 ;
- while (my ($k, $v) = each %data) {
- $ret += $db1->db_put($k, $v) ;
- }
- ok 150, $ret == 0 ;
- # should be able to see all the records
- ok 151, my $cursor = $db1->db_cursor() ;
- my ($k, $v) = ("", "") ;
- my $count = 0 ;
- # sequence forwards
- while ($cursor->c_get($k, $v, DB_NEXT) == 0) {
- ++ $count ;
- }
- ok 152, $count == 3 ;
- undef $cursor ;
- # now abort the transaction
- ok 153, $txn->txn_abort() == 0 ;
- # there shouldn't be any records in the database
- $count = 0 ;
- # sequence forwards
- ok 154, $cursor = $db1->db_cursor() ;
- while ($cursor->c_get($k, $v, DB_NEXT) == 0) {
- ++ $count ;
- }
- ok 155, $count == 0 ;
- undef $txn ;
- undef $cursor ;
- undef $db1 ;
- undef $env ;
- untie %hash ;
- rmtree $home ;
- }
- {
- # DB_DUP
- my $lex = new LexFile $Dfile ;
- my %hash ;
- ok 156, my $db = tie %hash, 'BerkeleyDB::Hash', -Filename => $Dfile,
- -Property => DB_DUP,
- -Flags => DB_CREATE ;
- $hash{'Wall'} = 'Larry' ;
- $hash{'Wall'} = 'Stone' ;
- $hash{'Smith'} = 'John' ;
- $hash{'Wall'} = 'Brick' ;
- $hash{'Wall'} = 'Brick' ;
- $hash{'mouse'} = 'mickey' ;
- ok 157, keys %hash == 6 ;
- # create a cursor
- ok 158, my $cursor = $db->db_cursor() ;
- my $key = "Wall" ;
- my $value ;
- ok 159, $cursor->c_get($key, $value, DB_SET) == 0 ;
- ok 160, $key eq "Wall" && $value eq "Larry" ;
- ok 161, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 162, $key eq "Wall" && $value eq "Stone" ;
- ok 163, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 164, $key eq "Wall" && $value eq "Brick" ;
- ok 165, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 166, $key eq "Wall" && $value eq "Brick" ;
- #my $ref = $db->db_stat() ;
- #ok 143, $ref->{bt_flags} | DB_DUP ;
- # test DB_DUP_NEXT
- my ($k, $v) = ("Wall", "") ;
- ok 167, $cursor->c_get($k, $v, DB_SET) == 0 ;
- ok 168, $k eq "Wall" && $v eq "Larry" ;
- ok 169, $cursor->c_get($k, $v, DB_NEXT_DUP) == 0 ;
- ok 170, $k eq "Wall" && $v eq "Stone" ;
- ok 171, $cursor->c_get($k, $v, DB_NEXT_DUP) == 0 ;
- ok 172, $k eq "Wall" && $v eq "Brick" ;
- ok 173, $cursor->c_get($k, $v, DB_NEXT_DUP) == 0 ;
- ok 174, $k eq "Wall" && $v eq "Brick" ;
- ok 175, $cursor->c_get($k, $v, DB_NEXT_DUP) == DB_NOTFOUND ;
-
- undef $db ;
- undef $cursor ;
- untie %hash ;
- }
- {
- # DB_DUP & DupCompare
- my $lex = new LexFile $Dfile, $Dfile2;
- my ($key, $value) ;
- my (%h, %g) ;
- my @Keys = qw( 0123 9 12 -1234 9 987654321 9 def ) ;
- my @Values = qw( 1 11 3 dd x abc 2 0 ) ;
- ok 176, tie %h, "BerkeleyDB::Hash", -Filename => $Dfile,
- -DupCompare => sub { $_[0] cmp $_[1] },
- -Property => DB_DUP|DB_DUPSORT,
- -Flags => DB_CREATE ;
- ok 177, tie %g, 'BerkeleyDB::Hash', -Filename => $Dfile2,
- -DupCompare => sub { $_[0] <=> $_[1] },
- -Property => DB_DUP|DB_DUPSORT,
- -Flags => DB_CREATE ;
- foreach (@Keys) {
- local $^W = 0 ;
- my $value = shift @Values ;
- $h{$_} = $value ;
- $g{$_} = $value ;
- }
- ok 178, my $cursor = (tied %h)->db_cursor() ;
- $key = 9 ; $value = "";
- ok 179, $cursor->c_get($key, $value, DB_SET) == 0 ;
- ok 180, $key == 9 && $value eq 11 ;
- ok 181, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 182, $key == 9 && $value == 2 ;
- ok 183, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 184, $key == 9 && $value eq "x" ;
- $cursor = (tied %g)->db_cursor() ;
- $key = 9 ;
- ok 185, $cursor->c_get($key, $value, DB_SET) == 0 ;
- ok 186, $key == 9 && $value eq "x" ;
- ok 187, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 188, $key == 9 && $value == 2 ;
- ok 189, $cursor->c_get($key, $value, DB_NEXT) == 0 ;
- ok 190, $key == 9 && $value == 11 ;
- }
- {
- # get_dup etc
- my $lex = new LexFile $Dfile;
- my %hh ;
- ok 191, my $YY = tie %hh, "BerkeleyDB::Hash", -Filename => $Dfile,
- -DupCompare => sub { $_[0] cmp $_[1] },
- -Property => DB_DUP,
- -Flags => DB_CREATE ;
- $hh{'Wall'} = 'Larry' ;
- $hh{'Wall'} = 'Stone' ; # Note the duplicate key
- $hh{'Wall'} = 'Brick' ; # Note the duplicate key
- $hh{'Smith'} = 'John' ;
- $hh{'mouse'} = 'mickey' ;
-
- # first work in scalar context
- ok 192, scalar $YY->get_dup('Unknown') == 0 ;
- ok 193, scalar $YY->get_dup('Smith') == 1 ;
- ok 194, scalar $YY->get_dup('Wall') == 3 ;
-
- # now in list context
- my @unknown = $YY->get_dup('Unknown') ;
- ok 195, "@unknown" eq "" ;
-
- my @smith = $YY->get_dup('Smith') ;
- ok 196, "@smith" eq "John" ;
-
- {
- my @wall = $YY->get_dup('Wall') ;
- my %wall ;
- @wall{@wall} = @wall ;
- ok 197, (@wall == 3 && $wall{'Larry'}
- && $wall{'Stone'} && $wall{'Brick'});
- }
-
- # hash
- my %unknown = $YY->get_dup('Unknown', 1) ;
- ok 198, keys %unknown == 0 ;
-
- my %smith = $YY->get_dup('Smith', 1) ;
- ok 199, keys %smith == 1 && $smith{'John'} ;
-
- my %wall = $YY->get_dup('Wall', 1) ;
- ok 200, keys %wall == 3 && $wall{'Larry'} == 1 && $wall{'Stone'} == 1
- && $wall{'Brick'} == 1 ;
-
- undef $YY ;
- untie %hh ;
- }
- {
- # 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 BerkeleyDB;
- @ISA=qw(BerkeleyDB::Hash);
- @EXPORT = @BerkeleyDB::EXPORT ;
- sub db_put {
- my $self = shift ;
- my $key = shift ;
- my $value = shift ;
- $self->SUPER::db_put($key, $value * 3) ;
- }
- sub db_get {
- my $self = shift ;
- $self->SUPER::db_get($_[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 201, $@ eq "" ;
- my %h ;
- my $X ;
- eval '
- $X = tie(%h, "SubDB", -Filename => "dbhash.tmp",
- -Flags => DB_CREATE,
- -Mode => 0640 );
- ' ;
- main::ok 202, $@ eq "" ;
- my $ret = eval '$h{"fred"} = 3 ; return $h{"fred"} ' ;
- main::ok 203, $@ eq "" ;
- main::ok 204, $ret == 7 ;
- my $value = 0;
- $ret = eval '$X->db_put("joe", 4) ; $X->db_get("joe", $value) ; return $value' ;
- main::ok 205, $@ eq "" ;
- main::ok 206, $ret == 10 ;
- $ret = eval ' DB_NEXT eq main::DB_NEXT ' ;
- main::ok 207, $@ eq "" ;
- main::ok 208, $ret == 1 ;
- $ret = eval '$X->A_new_method("joe") ' ;
- main::ok 209, $@ eq "" ;
- main::ok 210, $ret eq "[[10]]" ;
- unlink "SubDB.pm", "dbhash.tmp" ;
- }