--- /dev/null
+##
+# DBM::Deep Test
+##
+use strict;
+use Test::More;
+
+plan skip_all => "You must set \$ENV{LONG_TESTS} to run the long tests"
+ unless $ENV{LONG_TESTS};
+
+plan tests => 4;
+use t::common qw( new_fh );
+
+use_ok( 'DBM::Deep' );
+
+diag "This test can take up to a minute to run. Please be patient.";
+
+my ($fh, $filename) = new_fh();
+my $db = DBM::Deep->new(
+ file => $filename,
+ type => DBM::Deep->TYPE_ARRAY,
+);
+
+##
+# put/get many keys
+##
+my $max_keys = 4000;
+
+for ( 0 .. $max_keys ) {
+ $db->put( $_ => $_ * 2 );
+}
+
+my $count = -1;
+for ( 0 .. $max_keys ) {
+ $count = $_;
+ unless ( $db->get( $_ ) == $_ * 2 ) {
+ last;
+ };
+}
+is( $count, $max_keys, "We read $count keys" );
+
+cmp_ok( scalar(@$db), '==', $max_keys + 1, "Number of elements is correct" );
+$db->clear;
+cmp_ok( scalar(@$db), '==', 0, "Number of elements after clear() is correct" );