examples3.t.T
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:4k
- #!./perl -w
- use strict ;
- BEGIN {
- unless(grep /blib/, @INC) {
- chdir 't' if -d 't';
- @INC = '../lib' if -d '../lib';
- }
- }
- use BerkeleyDB;
- use File::Path qw(rmtree);
- BEGIN
- {
- if ($BerkeleyDB::db_version < 3) {
- print "1..0 # Skipping test, this needs Berkeley DB 3.x or bettern" ;
- exit 0 ;
- }
- }
- print "1..2n";
- my $FA = 0 ;
- {
- sub try::TIEARRAY { bless [], "try" }
- sub try::FETCHSIZE { $FA = 1 }
- $FA = 0 ;
- my @a ;
- tie @a, 'try' ;
- my $a = @a ;
- }
- {
- 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" ;
- }
- {
- 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
- {
- my $file = shift;
- local $/ = undef;
- open(CAT,$file) || die "Cannot open $file:$!";
- my $result = <CAT> || "" ;
- close(CAT);
- return $result;
- }
- sub docat_del
- {
- my $file = shift;
- local $/ = undef;
- open(CAT,$file) || die "Cannot open $file: $!";
- my $result = <CAT> || "" ;
- close(CAT);
- unlink $file ;
- return $result;
- }
- my $Dfile = "dbhash.tmp";
- my $Dfile2 = "dbhash2.tmp";
- my $Dfile3 = "dbhash3.tmp";
- unlink $Dfile;
- umask(0) ;
- my $redirect = "xyzt" ;
- {
- my $redirect = "xyzt" ;
- {
- my $redirectObj = new Redirect $redirect ;
- ## BEGIN dupHash
- use strict ;
- use BerkeleyDB ;
-
- my $filename = "fruit" ;
- unlink $filename ;
- my $db = new BerkeleyDB::Hash
- -Filename => $filename,
- -Flags => DB_CREATE,
- -Property => DB_DUP
- or die "Cannot open file $filename: $! $BerkeleyDB::Errorn" ;
- # Add a few key/value pairs to the file
- $db->db_put("red", "apple") ;
- $db->db_put("orange", "orange") ;
- $db->db_put("green", "banana") ;
- $db->db_put("yellow", "banana") ;
- $db->db_put("red", "tomato") ;
- $db->db_put("green", "apple") ;
-
- # print the contents of the file
- my ($k, $v) = ("", "") ;
- my $cursor = $db->db_cursor() ;
- while ($cursor->c_get($k, $v, DB_NEXT) == 0)
- { print "$k -> $vn" }
-
- undef $cursor ;
- undef $db ;
- ## END dupHash
- unlink $filename ;
- }
- #print "[" . docat($redirect) . "]" ;
- ok(1, docat_del($redirect) eq <<'EOM') ;
- orange -> orange
- yellow -> banana
- red -> apple
- red -> tomato
- green -> banana
- green -> apple
- EOM
- }
- {
- my $redirect = "xyzt" ;
- {
- my $redirectObj = new Redirect $redirect ;
- ## BEGIN dupSortHash
- use strict ;
- use BerkeleyDB ;
-
- my $filename = "fruit" ;
- unlink $filename ;
- my $db = new BerkeleyDB::Hash
- -Filename => $filename,
- -Flags => DB_CREATE,
- -Property => DB_DUP | DB_DUPSORT
- or die "Cannot open file $filename: $! $BerkeleyDB::Errorn" ;
- # Add a few key/value pairs to the file
- $db->db_put("red", "apple") ;
- $db->db_put("orange", "orange") ;
- $db->db_put("green", "banana") ;
- $db->db_put("yellow", "banana") ;
- $db->db_put("red", "tomato") ;
- $db->db_put("green", "apple") ;
-
- # print the contents of the file
- my ($k, $v) = ("", "") ;
- my $cursor = $db->db_cursor() ;
- while ($cursor->c_get($k, $v, DB_NEXT) == 0)
- { print "$k -> $vn" }
-
- undef $cursor ;
- undef $db ;
- ## END dupSortHash
- unlink $filename ;
- }
- #print "[" . docat($redirect) . "]" ;
- ok(2, docat_del($redirect) eq <<'EOM') ;
- orange -> orange
- yellow -> banana
- red -> apple
- red -> tomato
- green -> apple
- green -> banana
- EOM
- }