set(LIBRARY_NAME error_code)

unset(OPTION_ENABLE_TEST_CODE CACHE)
option(OPTION_ENABLE_TEST_CODE "Whether enable test code." OFF)
message("<=${LIBRARY_NAME}=> OPTION_ENABLE_TEST_CODE: " ${OPTION_ENABLE_TEST_CODE})

if (OPTION_ENABLE_TEST_CODE)
    set(LIBRARY_TEST_NAME "${LIBRARY_NAME}_test")
    set(LIBRARY_TEST_SOURCE_LIST
            ${CMAKE_CURRENT_LIST_DIR}/test.h
            ${CMAKE_CURRENT_LIST_DIR}/test.cpp
            ${CMAKE_CURRENT_LIST_DIR}/error_code.cpp
    )
    add_executable(${LIBRARY_TEST_NAME} ${LIBRARY_TEST_SOURCE_LIST})
    target_link_libraries(${LIBRARY_TEST_NAME} ${LIBRARY_NAME} )
endif ()