使用C++test执行单元测试时出错,错误报告参考如下:
Error[Li006]: duplicate definitions for "AC_DEMAND_Buf"; in "C:Userskwangpar
asoftworkspace.cpptestAffairfile-dataevent_app.cb7fd41c1 ested
harness_event_app.o", and "C:Userskwangparasoftworkspace.cpptest
Affairfile-datadata_store_app.c8b3a10ac estedharness_data_store_
app.o"
Error[Li006]: duplicate definitions for "AC_POWER_1M_Buf"; in "C:Userskwangp
arasoftworkspace.cpptestAffairfile-dataevent_app.cb7fd41c1 este
dharness_event_app.o", and "C:Userskwangparasoftworkspace.cppte
stAffairfile-datadata_store_app.c8b3a10ac estedharness_data_stor
e_app.o"
Error[Li006]: duplicate definitions for "AC_POWER_5M_Buf"; in "C:Userskwangp
arasoftworkspace.cpptestAffairfile-dataevent_app.cb7fd41c1 este
dharness_event_app.o", and "C:Userskwangparasoftworkspace.cppte
stAffairfile-datadata_store_app.c8b3a10ac estedharness_data_stor
e_app.o"
原因分析:
典型地违反了规则MISRA2004-8_5 “在头文件中不应定义函数和对象”。当一个这样定义的头文件被同时在不同的源码文件中时,链接一般就会报告存在重复定义的错误。
解决方式:
在头文件中将这些定义声明为extern方式,并且在对应的源码文件中去定义变量。