function testGetHighestOrder() { $Item = new Item(); $this->assertEqual($Item->getHighestOrder(), 4); $GroupedItem = new GroupedItem(); $this->assertEqual($GroupedItem->getHighestOrder(), -1); $this->assertEqual($GroupedItem->getHighestOrder(array('group_field' => 1)), 4); $MultiGroupedItem = new MultiGroupedItem(); $this->assertEqual($MultiGroupedItem->getHighestOrder(), -1); $this->assertEqual($MultiGroupedItem->getHighestOrder(array('group_field_1' => 1, 'group_field_2' => 1)), 4); }