Cmakelists配置多级目录的gtest项目(项目代码和测试代码分离)

 cmake一些语法定义

之前的博客主要写了怎么配置gtest项目，但是一般项目代码和测试代码并不在一起，所以尝试将代码分离

主要分成三个部分，下面给出demo的分级目录

--gtest_demo

--CMakelists.txt

--src

--------cacl.h

--------cacl.cpp

--------string_util.h

--------string_util.cpp

--------CMakelists.txt

--gtest

--------test_calc.cpp

--------test_string_util.cpp

--------CMakelists.txt

 

首先先配置根目录下的cmake文件

gtest_demo/CMakelists.txt

# 工程名
set (PROJECT_NAME my-gtest)
PROJECT(${PROJECT_NAME})

message("工程名: " ${PROJECT_NAME})
message("工程目录: " ${PROJECT_SOURCE_DIR}) 


# 最低版本需求
cmake_minimum_required(VERSION 3.6)

SET(CMAKE_BUILD_TYPE "DEBUG")
set (EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR})
set (LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)

message("编译后可执行程序目录: " ${EXECUTABLE_OUTPUT_PATH})
message("编译后库程序文件目录: " ${LIBRARY_OUTPUT_PATH})

ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(D:/Test-my/gtest/gtest-demo/googletest-release-1.7.0/googletest-release-1.7.0)
ADD_SUBDIRECTORY(gtest) # 此处先注释，原因是一开始没有测试工程

#这个必须放在project的后面
IF(MSVC)
   message("run here")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
endif()

然后给出src下的文件内容和配置

calc.h

#pragma once
# ifndef __CAlC_H_
# define __CALC_H_
class Calc
{
public:
     static int Add(int a, int b);
};
# endif

 calc.cpp

# include "calc.h"
#include <iostream>  

int Calc::Add(int a, int b)
{
    return a+b;
}

string_util.h

# ifndef __KDS_STRING_UTIL_H_
# define __KDS_STRING_UTIL_H_
class StringUtil
{
public:
    static int ToInt(const char* str);
};
# endif

 string_uitl.cpp 注意一下，我这边名字写错了，后面gtest里面也引用的这个写错的名字，就没改

# include "stdlib.h"
# include "string_util.h"

int StringUtil::ToInt(const char * str)
{
    return atol(str);
}

 main.cpp

# include <iostream>
# include "calc.h"
# include "string_util.h"
using namespace std;
int main()
{
    std::cout<<"3+5="<<Calc::Add(3, 5)<<std::endl;
    std::cout<<"ToInt(345)="<<StringUtil::ToInt("345")<<std::endl;
	system("PAUSE");
    return 0;
}

cmakelists.txt

cmake_minimum_required(VERSION 3.6)
# 打印当前目录
message("源程序工程当前目录: "  ${CMAKE_CURRENT_SOURCE_DIR})

# 头文件目录
INCLUDE_DIRECTORIES(
    D:/Test-my/gtest/gtest-demo/googletest-release-1.7.0/googletest-release-1.7.0/include
)

AUX_SOURCE_DIRECTORY(. DIR_SRCS)
add_library(src ${DIR_SRCS})

add_executable(src_sult ${DIR_SRCS})

#这个必须放在project的后面
IF(MSVC)
   message("run here")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
endif()

然后是gtest的文件和配置

test_calc.cpp

# include <gtest/gtest.h>
# include "src/calc.cpp"
using namespace std;
TEST(Test_Calc, Add)
{
	int a=0;
	//int a = Calc::Add(3, 5);
    EXPECT_TRUE(Calc::Add(2,5)==8);
	//EXPECT_TRUE(6==8);
}

test_string_util.cpp

# include <gtest/gtest.h>
# include "src/string_uitl.cpp"

TEST(Test_StringUtil, ToInt)
{
    //int b=0;
	EXPECT_TRUE(StringUtil::ToInt("345")==345);
}

 cmakelists.txt

cmake_minimum_required(VERSION 3.6)
# 打印当前目录
message("测试工程当前目录: "  ${CMAKE_CURRENT_SOURCE_DIR})

# 需包含的头文件
INCLUDE_DIRECTORIES(
    ${PROJECT_SOURCE_DIR}
    D:/Test-my/gtest/gtest-demo/googletest-release-1.7.0/googletest-release-1.7.0/include
	D:/Test-my/gtest/gtest-demo/googletest-release-1.7.0/googletest-release-1.7.0
)


# 需包含的库文件
link_directories(
    ${PROJECT_BINARY_DIR}/lib
    D:/Test-my/gtest/googletest-release-1.7.0/googletest-release-1.7.0/lib
)

find_package(Threads)

AUX_SOURCE_DIRECTORY(. DIR_SRC_TESTS)
add_executable(test_sult ${DIR_SRC_TESTS})
TARGET_LINK_LIBRARIES(test_sult gtest gtest_main)

TARGET_LINK_LIBRARIES(test_sult ${CMAKE_THREAD_LIBS_INIT})

#这个必须放在project的后面
IF(MSVC)
   message("run here")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
endif()

 然后这就配置完毕了

接下来生成项目和编译项目以及测试，见我之前写的另一篇博客

https://blog.csdn.net/yysave/article/details/96434908