Bool CMemoryFile::SaveToDisk(const AString& sFile)
{
CDiskFile df;
if (m_pData && df.Open(sFile, OPEN_WRITE))
{
if (m_iFilePos > 0)
{
Int64 iSize = df.Write(m_pData, m_iFilePos);
return iSize == m_iFilePos;
}
return true;
}
return false;
}
void TestLogFileMultipleReadsAfterOpens(void)
{
CLogFile* pcLogFile;
CDiskFile* pcDiskFile;
CFileBasic cFile;
CFileUtil cFileUtil;
char szSource[] = {"The Name of the Wise Man"};
int iSourcelen;
char szResult[50];
char szWrite[] = {"Cat Catt ct... "};
int iWriteLen;
char szA[] = {"A"};
cFileUtil.RemoveDir("Output/LogFile2");
cFileUtil.MakeDir("Output/LogFile2");
pcDiskFile = DiskFile("Output/LogFile2/OpenClose.txt");
pcDiskFile->Open(EFM_ReadWrite_Create);
iSourcelen = (int)strlen(szSource);
pcDiskFile->Write(szSource, iSourcelen + 1, 1);
pcDiskFile->Close();
AssertTrue(cFileUtil.Exists("Output/LogFile2/OpenClose.txt"));
pcLogFile = LogFile(pcDiskFile);
cFile.Init(pcLogFile);
pcLogFile->Begin();
AssertTrue(cFile.Open(EFM_Read));
AssertInt(iSourcelen + 1, (int)cFile.GetFileSize());
cFile.ReadData(szResult, iSourcelen + 1);
AssertString(szSource, szResult);
cFile.Close();
cFile.Open(EFM_ReadWrite_Create);
iWriteLen = (int)strlen(szWrite);
cFile.WriteData(szWrite, iWriteLen);
AssertInt(iSourcelen + 1, (int)cFile.GetFileSize());
pcLogFile->Close();
cFile.Delete();
AssertTrue(cFileUtil.Exists("Output/LogFile2/OpenClose.txt"));
AssertInt(0, (int)cFile.GetFileSize());
cFile.Open(EFM_ReadWrite_Create);
cFile.Write(szA, 2, 1);
AssertInt(2, (int)cFile.GetFileSize());
cFile.Close();
pcLogFile->Commit();
cFile.Kill();
AssertTrue(cFileUtil.Exists("Output/LogFile2/OpenClose.txt"));
AssertInt(2, cFileUtil.Size("Output/LogFile2/OpenClose.txt"));
pcDiskFile = DiskFile("Output/LogFile2/OpenClose.txt");
pcLogFile = LogFile(pcDiskFile);
cFile.Init(pcLogFile);
pcLogFile->Begin();
AssertTrue(cFile.Open(EFM_Read));
cFile.ReadData(szResult, 2);
AssertString("A", szResult);
cFile.Seek(0);
cFile.ReadData(szResult, 2);
AssertString("A", szResult);
cFile.Close();
cFile.Delete();
pcLogFile->Commit();
cFile.Kill();
AssertFalse(cFileUtil.Exists("Output/LogFile2/OpenClose.txt"));
}