软件测试之CppUnit - 测试驱动开发入门

接着我们编写一个FileStatus类的骨架，使得这段测试代码可以被编译通过。

class FileStatusError
{};

class FileStatus
{
public:
    FileStatus(const std::string& fileName)
    {}
    DWORD getFileSize() const
    {
        return 0;
    }
    bool fileExist() const
    {
        return false;
    }
    void setFileModifyDate( const FILETIME* )
    {
    }
    FILETIME getFileModifyDate() const
    {
        return FILETIME();
    }
    std::string getFileName() const
    {
        return "";
    }
};

下面给出完整的程序:

// UnitTest.cpp : Defines the entry point for the console application.
//

#include "CppUnit/TestCase.h"
#include "CppUnit/TestResult.h"
#include "CppUnit/TextOutputter.h"
#include "CppUnit/TestResultCollector.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/extensions/HelperMacros.h"

#include
#include
#include
#include

class FileStatusError
{};

class FileStatus
{
public:
    FileStatus(const std::string& fileName)
    {}
    DWORD getFileSize() const
    {
        return 0;
    }
    bool fileExist() const
    {
        return false;
    }
    void setFileModifyDate( const FILETIME* )
    {
    }
    FILETIME getFileModifyDate() const
    {
        return FILETIME();
    }
    std::string getFileName() const
    {
        return "";
    }
};

class MyTestCase:public CPPUNIT_NS::TestFixture
{
    std::string mFileNameExist;
    std::string mFileNameNotExist;
    std::string mTestFolder;
    enum DUMMY
    {
        FILE_SIZE = 1011
    };
public:
    virtual void setUp()
    {
        mTestFolder = "c:justfortest";
        mFileNameExist = mTestFolder + "exist.dat";
        mFileNameNotExist = mTestFolder + "notexist.dat";
        if( GetFileAttributes( mTestFolder.c_str() ) != INVALID_FILE_ATTRIBUTES )
            throw std::exception( "test folder already exists" );
        if( ! CreateDirectory( mTestFolder.c_str() ,NULL ) )
            throw std::exception( "cannot create folder" );
        HANDLE file = CreateFile( mFileNameExist.c_str(), GENERIC_READ | GENERIC_WRITE,
            0, NULL, CREATE_NEW, 0, NULL );
        if( file == INVALID_HANDLE_VALUE )
            throw std::exception( "cannot create file" );
        char buffer[FILE_SIZE];
        DWORD bytesWritten;
        if( !WriteFile( file, buffer, FILE_SIZE, &bytesWritten, NULL ) ||
            bytesWritten != FILE_SIZE )
        {
            CloseHandle( file );
            throw std::exception( "cannot write file" );
        }
        CloseHandle( file );
    }
    virtual void tearDown()
    {
        if( ! DeleteFile( mFileNameExist.c_str() ) )
 

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