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()); }