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测试驱动开发入门-CppUnit
作者:网络转载 发布时间:[ 2012/11/29 15:11:55 ] 推荐标签:

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() ) )
            throw std::exception( "cannot delete file" );
        if( ! RemoveDirectory( mTestFolder.c_str() ) )
            throw std::exception( "cannot remove folder" );
    }
    void testCtorAndGetName()
    {
        FileStatus status( mFileNameExist );
        CPPUNIT_ASSERT_EQUAL( status.getFileName(), mFileNameExist );
    }
    void testGetFileSize()
    {
        FileStatus exist( mFileNameExist );
        CPPUNIT_ASSERT_EQUAL( exist.getFileSize(), (DWORD)FILE_SIZE );
        FileStatus notExist( mFileNameNotExist );
        CPPUNIT_ASSERT_THROW( notExist.getFileSize(), FileStatusError );
    }
    void testFileExist()
    {
        FileStatus exist( mFileNameExist );
        CPPUNIT_ASSERT( exist.fileExist() );
        FileStatus notExist( mFileNameNotExist );
        CPPUNIT_ASSERT( ! notExist.fileExist() );
    }
    void testFileModifyDateBasic()
    {
        FILETIME fileTime;
        GetSystemTimeAsFileTime( &fileTime );
        FileStatus exist( mFileNameExist );
        CPPUNIT_ASSERT_NO_THROW( exist.getFileModifyDate() );
        CPPUNIT_ASSERT_NO_THROW( exist.setFileModifyDate( &fileTime ) );
        FileStatus notExist( mFileNameNotExist );
        CPPUNIT_ASSERT_THROW( notExist.getFileModifyDate(), FileStatusError );
        CPPUNIT_ASSERT_THROW( notExist.setFileModifyDate( &fileTime ), FileStatusError );
    }
    void testFileModifyDateEqual()
    {
        FILETIME fileTime;
        GetSystemTimeAsFileTime( &fileTime );
        FileStatus exist( mFileNameExist );
        CPPUNIT_ASSERT_NO_THROW( exist.setFileModifyDate( &fileTime ) );
        FILETIME get = exist.getFileModifyDate();
        CPPUNIT_ASSERT( CompareFileTime( &get, &fileTime ) == 0 );
    }
};

int main()
{
    CPPUNIT_NS::TestResult r;
    CPPUNIT_NS::TestResultCollector result;
    r.addListener( &result );
    CPPUNIT_NS::TestCaller testCase1( "testCtorAndGetName", MyTestCase::testCtorAndGetName );
    CPPUNIT_NS::TestCaller testCase2( "testGetFileSize", MyTestCase::testGetFileSize );
    CPPUNIT_NS::TestCaller testCase3( "testFileExist", MyTestCase::testFileExist );
    CPPUNIT_NS::TestCaller testCase4( "testFileModifyDateBasic", MyTestCase::testFileModifyDateBasic );
    CPPUNIT_NS::TestCaller testCase5( "testFileModifyDateEqual", MyTestCase::testFileModifyDateEqual );
    testCase1.run( &r );
    testCase2.run( &r );
    testCase3.run( &r );
    testCase4.run( &r );
    testCase5.run( &r );
    CPPUNIT_NS::TextOutputter out( &result, std::cout );
    out.write();
    return 0;
}

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