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/* $Id: tstRTFileAppend-1.cpp $ */
/** @file
* IPRT Testcase - File Appending.
*/
/*
* Copyright (C) 2009-2020 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/file.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/test.h>
void tstFileAppend1(RTTEST hTest)
{
/*
* Open it write only and do some appending.
* Checking that read fails and that the file position changes after the write.
*/
RTTestSub(hTest, "Basic 1");
RTFileDelete("tstFileAppend-1.tst");
RTFILE hFile = NIL_RTFILE;
int rc = RTFileOpen(&hFile,
"tstFileAppend-1.tst",
RTFILE_O_WRITE
| RTFILE_O_APPEND
| RTFILE_O_OPEN_CREATE
| RTFILE_O_DENY_NONE
| (0644 << RTFILE_O_CREATE_MODE_SHIFT)
);
RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
uint64_t offActual = 42;
uint64_t off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 0 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTESTI_CHECK_RC(RTFileWrite(hFile, "0123456789", 10, NULL), VINF_SUCCESS);
offActual = 99;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 10 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after first write\n", offActual);
size_t cb = 4;
char szBuf[256];
rc = RTFileRead(hFile, szBuf, 1, &cb);
RTTESTI_CHECK_MSG(rc == VERR_ACCESS_DENIED || rc == VERR_INVALID_HANDLE, ("rc=%Rrc\n", rc));
offActual = 999;
off = 5;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_BEGIN, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 5 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
/*
* Open it write only and do some more appending.
* Checking the initial position and that it changes after the write.
*/
RTTestSub(hTest, "Basic 2");
rc = RTFileOpen(&hFile,
"tstFileAppend-1.tst",
RTFILE_O_WRITE
| RTFILE_O_APPEND
| RTFILE_O_OPEN
| RTFILE_O_DENY_NONE
);
RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
offActual = 99;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 0 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu on 2nd open\n", offActual);
RTTESTI_CHECK_RC(rc = RTFileWrite(hFile, "abcdefghij", 10, &cb), VINF_SUCCESS);
offActual = 999;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 20 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after 2nd write\n", offActual);
RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
/*
* Open it read/write.
* Check the initial position and read stuff. Then append some more and
* check the new position and see that read returns 0/EOF. Finally,
* do some seeking and read from a new position.
*/
RTTestSub(hTest, "Basic 3");
rc = RTFileOpen(&hFile,
"tstFileAppend-1.tst",
RTFILE_O_READWRITE
| RTFILE_O_APPEND
| RTFILE_O_OPEN
| RTFILE_O_DENY_NONE
);
RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
offActual = 9;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 0 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu on 3rd open\n", offActual);
cb = 99;
RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 10, &cb), VINF_SUCCESS);
RTTESTI_CHECK(RT_FAILURE(rc) || cb == 10);
RTTESTI_CHECK_MSG(RT_FAILURE(rc) || !memcmp(szBuf, "0123456789", 10), ("read the wrong stuff: %.10s - expected 0123456789\n", szBuf));
offActual = 999;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 10 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu on 1st open\n", offActual);
RTTESTI_CHECK_RC(RTFileWrite(hFile, "klmnopqrst", 10, NULL), VINF_SUCCESS);
offActual = 9999;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 30 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after 3rd write\n", offActual);
RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 1, NULL), VERR_EOF);
cb = 99;
RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 1, &cb), VINF_SUCCESS);
RTTESTI_CHECK(cb == 0);
offActual = 99999;
off = 15;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_BEGIN, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 15 || RT_FAILURE(rc), ("offActual=%llu", offActual));
if (RT_SUCCESS(rc) && offActual == 15)
{
RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 10, NULL), VINF_SUCCESS);
RTTESTI_CHECK_MSG(RT_FAILURE(rc) || !memcmp(szBuf, "fghijklmno", 10), ("read the wrong stuff: %.10s - expected fghijklmno\n", szBuf));
offActual = 9999999;
off = 0;
RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
RTTESTI_CHECK_MSG(offActual == 25 || RT_FAILURE(rc), ("offActual=%llu", offActual));
RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after 2nd read\n", offActual);
}
RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
/*
* Open it read only + append and check that we cannot write to it.
*/
RTTestSub(hTest, "Basic 4");
rc = RTFileOpen(&hFile,
"tstFileAppend-1.tst",
RTFILE_O_READ
| RTFILE_O_APPEND
| RTFILE_O_OPEN
| RTFILE_O_DENY_NONE);
RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
rc = RTFileWrite(hFile, "pqrstuvwx", 10, &cb);
RTTESTI_CHECK_MSG(rc == VERR_ACCESS_DENIED || rc == VERR_INVALID_HANDLE, ("rc=%Rrc\n", rc));
RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTFileDelete("tstFileAppend-1.tst"), VINF_SUCCESS);
}
int main()
{
RTTEST hTest;
int rc = RTTestInitAndCreate("tstRTFileAppend-1", &hTest);
if (rc)
return rc;
RTTestBanner(hTest);
tstFileAppend1(hTest);
RTFileDelete("tstFileAppend-1.tst");
return RTTestSummaryAndDestroy(hTest);
}
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