在Project中加入一个类，取名CArithmeticTestCase，CArithmeticTestCase从CppUnit::TestCase继承，代码如下：

//ArithmeticTestCase.h
#pragma once
#include "cppunit/extensions/HelperMacros.h"
class CArithmeticCase :  public CppUnit::TestCase
{
CPPUNIT_TEST_SUITE(CArithmeticCase);
CPPUNIT_TEST(testAdd);
CPPUNIT_TEST(testSub);
CPPUNIT_TEST(testMul);
CPPUNIT_TEST(testDiv);
CPPUNIT_TEST_SUITE_END();
public:
CArithmeticCase(void);
~CArithmeticCase(void);
void testAdd();
void testSub();
void testMul();
void testDiv();
virtual void setUp();
virtual void tearDown();
};
// ArithmeticTestCase.cpp
#include "StdAfx.h"
#include "ArithmeticTestCase.h"
#include "Plus.h"
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(CArithmeticTestCase，"MyArithmeticTest");
CArithmeticTestCase::CArithmeticTestCase(void)
{
}

CArithmeticTestCase::~CArithmeticTestCase(void)
{
}

void CArithmeticTestCase::testAdd()
{
CArithmetic plus;
int nResult = plus.Add(10， 20);
CPPUNIT_ASSERT_EQUAL(30， nResult);
}

void CArithmeticTestCase::testSub()
{
CArithmetic plus;
int nResult = plus.Sub(10， 20);
CPPUNIT_ASSERT_EQUAL(-10， nResult);
}

void CArithmeticTestCase::testMul()
{
CArithmetic plus;
int nResult = plus.Mul(10， 20);
CPPUNIT_ASSERT_EQUAL(200， nResult);
}

void CArithmeticTestCase::testDiv()
{
CArithmetic plus;
double fResult = plus.Div(10， 20);
CPPUNIT_ASSERT_DOUBLES_EQUAL(0.5， fResult，0.000001);
}

void CArithmeticTestCase::setUp()
{
//初始化一些共用信息，比如全局变量，资源等。
TRACE("Enter CPlusTestCase::setUp() ");
}

void CArithmeticTestCase::tearDown()
{
//析构处理一些信息，比如释放资源
TRACE("Enter CPlusTest::tearDown() ");
}

　　测试代码编写

#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/ui/mfc/TestRunner.h>
#pragma comment(lib， "cppunitd.lib")
#pragma comment(lib， "testrunnerud.lib")//可以加载静态库，比动态库DEBUG版本，具体参考cppunit-1.12.1lib下的文件。
CppUnit::MfcUi::TestRunner runner;
CppUnit::TestFactoryRegistry &registry = CppUnit::TestFactoryRegistry::getRegistry("MyArithmeticTest");
runner.addTest(registry.makeTest());
runner.run();