function test_offset_ignored_if_not_positive()
{
$dt = new DataTable("http://example.org/store");
$dt->map('http://example.org/name', 'name');
$dt->select('name');
$dt->limit(6, -1);
$this->assertEquals("select ?_uri ?name where {?_uri <http://example.org/name> ?name. } limit 6", $dt->get_sparql());
}
