use strict;
use warnings FATAL => 'all';

use Test::More;

plan skip_all => "You must set \$ENV{LONG_TESTS} to run the long tests"
    unless $ENV{LONG_TESTS};

use t::common qw( new_dbm );

use_ok( 'DBM::Deep' );

diag "This test can take up to several minutes to run. Please be patient.";

my $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY );
while ( my $dbm_maker = $dbm_factory->() ) {
    my $db = $dbm_maker->();

    ##
    # 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" );
}

done_testing;