question: test operatorutil #getcontractclass class concode_field_sep PlaceHolder placeHolder concode_field_sep void getContractClassShouldReturnSinkForOutputFormat concode_elem_sep void getContractClassShouldReturnSourceForInputFormat concode_elem_sep void getContractClassShouldReturnNullForStub concode_elem_sep void getContractClassShouldReturnCrossForCrossStub concode_elem_sep void getContractClassShouldReturnMatchForMatchStub concode_elem_sep void getContractClassShouldReturnCoGroupForCoGroupStub concode_elem_sep void getContractClassShouldReturnReduceForReduceStub
target: void function ( ) { final Class < ? > loc0 = OperatorUtil . getContractClass ( Mapper . class ) ; assertEquals ( CollectorMapOperatorBase . class , loc0 ) ; }