#!./perl -w
BEGIN {
- unshift @INC, '../lib' if -d '../lib' ;
+ @INC = '../lib';
require Config; import Config;
if ($Config{'extensions'} !~ /\bDB_File\b/) {
- print "1..0\n";
+ print "1..0 # Skip: DB_File was not built\n";
exit 0;
}
}
+use strict;
+use warnings;
use DB_File;
use Fcntl;
-print "1..108\n";
+print "1..111\n";
sub ok
{
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_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 $null_keys_allowed = ($DB_File::db_ver < 2.004010
+ || $DB_File::db_ver >= 3.1 );
+
unlink $Dfile;
umask(0);
# Now check the interface to HASH
-
+my ($X, %h);
ok(15, $X = tie(%h, 'DB_File',$Dfile, O_RDWR|O_CREAT, 0640, $DB_HASH ) );
-($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
+my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
$blksize,$blocks) = stat($Dfile);
ok(16, ($mode & 0777) == ($^O eq 'os2' ? 0666 : 0640) || $^O eq 'amigaos' || $^O eq 'MSWin32');
+my ($key, $value, $i);
while (($key,$value) = each(%h)) {
$i++;
}
delete $h{'goner1'};
$X->DELETE('goner3');
-@keys = keys(%h);
-@values = values(%h);
+my @keys = keys(%h);
+my @values = values(%h);
ok(23, $#keys == 29 && $#values == 29) ;
$h{'foo'} = '';
ok(26, $h{'foo'} eq '' );
-#$h{''} = 'bar';
-#ok(27, $h{''} eq 'bar' );
-ok(27,1) ;
+# 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, $result) ;
# check cache overflow and numeric keys and contents
-$ok = 1;
+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 );
ok(29, $size > 0 );
@h{0..200} = 200..400;
-@foo = @h{0..200};
+my @foo = @h{0..200};
ok(30, join(':',200..400) eq join(':',@foo) );
# Check NOOVERWRITE will make put fail when attempting to overwrite
# an existing record.
-$status = $X->put( 'x', 'newvalue', R_NOOVERWRITE) ;
+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
ok(36, $status == 0 );
# Make sure that the key deleted, cannot be retrieved
-$^W = 0 ;
-ok(37, $h{'q'} eq undef );
-$^W = 1 ;
+{
+ no warnings 'uninitialized' ;
+ ok(37, $h{'q'} eq undef );
+}
# Attempting to delete a non-existant key should fail
package Another ;
+ use warnings ;
use strict ;
open(FILE, ">SubDB.pm") or die "Cannot open SubDB.pm: $!\n" ;
package SubDB ;
+ use warnings ;
use strict ;
use vars qw( @ISA @EXPORT) ;
{
# DBM Filter tests
+ use warnings ;
use strict ;
my (%h, $db) ;
my ($fetch_key, $store_key, $fetch_value, $store_value) = ("") x 4 ;
{
# DBM Filter with a closure
+ use warnings ;
use strict ;
my (%h, $db) ;
{
# DBM Filter recursion detection
+ use warnings ;
use strict ;
my (%h, $db) ;
unlink $Dfile;
unlink $Dfile;
}
+
+{
+ # Examples from the POD
+
+ my $file = "xyzt" ;
+ {
+ my $redirect = new Redirect $file ;
+
+ use warnings FATAL => qw(all);
+ use strict ;
+ use DB_File ;
+ use vars qw( %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 -> $v\n" }
+
+ untie %h ;
+
+ unlink "fruit" ;
+ }
+
+ ok(109, docat_del($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(110, $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(111, $a eq "") ;
+ untie %h ;
+ unlink $Dfile;
+}
+
exit ;
projects / p5sagit/p5-mst-13.2.git / blobdiff