You have not added these function in the 'Exported Functions Cmake Test': 1) ClientBeginReadFromStreamWithoutOccurrence 2) ClientCompleteClientStreamingCallWithoutOccurrence 3) ClientCompleteReadFromStreamWithoutOccurrence 4) ClientUnaryCall2WithoutOccurrence 5) CompleteClientUnaryCall2WithoutOccurrence 6) FinishClientCompleteClientStreamingCallWithoutOccurrence 7) readIniFile . Please add these function(s) in tests/CMakeTests/testcases/ExportedFunctionList.json