public function testDeleteAll()
 {
     $list = Sobject_Jyugyoin__c::neu()->limit(3)->select();
     Srecord_Schema::deleteAll($list);
     $this->assertEqual($list[0]->getState(), Srecord_ActiveRecord::STATE_SUCCESS);
     $this->assertEqual($list[1]->getState(), Srecord_ActiveRecord::STATE_SUCCESS);
     $this->assertEqual($list[2]->getState(), Srecord_ActiveRecord::STATE_SUCCESS);
     print " 0: " . $list[0]->Id;
     print " 1: " . $list[1]->Id;
     print " 2: " . $list[2]->Id;
     array_pop($list);
     Srecord_Schema::undeleteAll($list);
     $this->assertEqual($list[0]->getState(), Srecord_ActiveRecord::STATE_SUCCESS);
     $this->assertEqual($list[1]->getState(), Srecord_ActiveRecord::STATE_SUCCESS);
 }