/* $Id: tstRTFileAppend-1.cpp $ */ /** @file * IPRT Testcase - File Appending. */ /* * Copyright (C) 2009-2023 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included * in the VirtualBox 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. * * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #include #include #include #include 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); }