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Diffstat (limited to 'bdb/perl.BerkeleyDB/t/examples3.t')
| -rw-r--r-- | bdb/perl.BerkeleyDB/t/examples3.t | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/bdb/perl.BerkeleyDB/t/examples3.t b/bdb/perl.BerkeleyDB/t/examples3.t new file mode 100644 index 00000000000..9cc1fa72c29 --- /dev/null +++ b/bdb/perl.BerkeleyDB/t/examples3.t @@ -0,0 +1,213 @@ +#!./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 better\n" ; + exit 0 ; + } +} + + +print "1..2\n"; + +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 $no\n" ; +} + +{ + 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 ; + + 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::Error\n" ; + + # 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 -> $v\n" } + + undef $cursor ; + undef $db ; + 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 ; + + 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::Error\n" ; + + # 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 -> $v\n" } + + undef $cursor ; + undef $db ; + 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 + +} + + |