if(WITH_TESTING)
  include_directories(${CMAKE_CURRENT_SOURCE_DIR})
  file(
    GLOB_RECURSE UNIT_TESTS
    LIST_DIRECTORIES FALSE
    RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
    "test_*.cu")

  foreach(FILE_PATH ${UNIT_TESTS})
    string(REGEX REPLACE ".+/(.+)\\..*" "\\1" FILE_NAME ${FILE_PATH})
    string(REPLACE ".cu" "" TEST_NAME "${FILE_NAME}")

    if("${TEST_NAME}" STREQUAL "test_gemm")
      continue() # the unittest for gemm requires extra dependencies
    endif()

    cuda_test(${TEST_NAME} SRCS "${CMAKE_CURRENT_SOURCE_DIR}/${FILE_PATH}")
  endforeach()

  cuda_test(test_gemm SRCS "${CMAKE_CURRENT_SOURCE_DIR}/cell/test_gemm.cu"
            "${PROJECT_SOURCE_DIR}/src/cuda_utils.cc" DEPS
            ${CUDA_CUBLAS_LIBRARIES})
endif()