| 1 | /* $Id: tstRTFileAppend-1.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - File Appending.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/file.h>
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| 32 |
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| 33 | #include <iprt/err.h>
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| 34 | #include <iprt/string.h>
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| 35 | #include <iprt/test.h>
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| 36 |
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| 37 |
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| 38 | void tstFileAppend1(RTTEST hTest)
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| 39 | {
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| 40 | /*
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| 41 | * Open it write only and do some appending.
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| 42 | * Checking that read fails and that the file position changes after the write.
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| 43 | */
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| 44 | RTTestSub(hTest, "Basic 1");
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| 45 | RTFileDelete("tstFileAppend-1.tst");
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| 46 | RTFILE hFile = NIL_RTFILE;
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| 47 | int rc = RTFileOpen(&hFile,
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| 48 | "tstFileAppend-1.tst",
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| 49 | RTFILE_O_WRITE
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| 50 | | RTFILE_O_APPEND
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| 51 | | RTFILE_O_OPEN_CREATE
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| 52 | | RTFILE_O_DENY_NONE
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| 53 | | (0644 << RTFILE_O_CREATE_MODE_SHIFT)
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| 54 | );
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| 55 | RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
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| 56 |
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| 57 | uint64_t offActual = 42;
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| 58 | uint64_t off = 0;
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| 59 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 60 | RTTESTI_CHECK_MSG(offActual == 0 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 61 |
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| 62 | RTTESTI_CHECK_RC(RTFileWrite(hFile, "0123456789", 10, NULL), VINF_SUCCESS);
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| 63 |
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| 64 | offActual = 99;
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| 65 | off = 0;
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| 66 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 67 | RTTESTI_CHECK_MSG(offActual == 10 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 68 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after first write\n", offActual);
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| 69 |
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| 70 | size_t cb = 4;
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| 71 | char szBuf[256];
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| 72 | rc = RTFileRead(hFile, szBuf, 1, &cb);
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| 73 | RTTESTI_CHECK_MSG(rc == VERR_ACCESS_DENIED || rc == VERR_INVALID_HANDLE, ("rc=%Rrc\n", rc));
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| 74 |
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| 75 | offActual = 999;
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| 76 | off = 5;
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| 77 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_BEGIN, &offActual), VINF_SUCCESS);
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| 78 | RTTESTI_CHECK_MSG(offActual == 5 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 79 |
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| 80 | RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
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| 81 |
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| 82 |
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| 83 | /*
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| 84 | * Open it write only and do some more appending.
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| 85 | * Checking the initial position and that it changes after the write.
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| 86 | */
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| 87 | RTTestSub(hTest, "Basic 2");
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| 88 | rc = RTFileOpen(&hFile,
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| 89 | "tstFileAppend-1.tst",
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| 90 | RTFILE_O_WRITE
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| 91 | | RTFILE_O_APPEND
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| 92 | | RTFILE_O_OPEN
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| 93 | | RTFILE_O_DENY_NONE
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| 94 | );
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| 95 | RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
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| 96 |
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| 97 | offActual = 99;
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| 98 | off = 0;
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| 99 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 100 | RTTESTI_CHECK_MSG(offActual == 0 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 101 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu on 2nd open\n", offActual);
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| 102 |
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| 103 | RTTESTI_CHECK_RC(rc = RTFileWrite(hFile, "abcdefghij", 10, &cb), VINF_SUCCESS);
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| 104 |
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| 105 | offActual = 999;
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| 106 | off = 0;
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| 107 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 108 | RTTESTI_CHECK_MSG(offActual == 20 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 109 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after 2nd write\n", offActual);
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| 110 |
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| 111 | RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
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| 112 |
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| 113 | /*
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| 114 | * Open it read/write.
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| 115 | * Check the initial position and read stuff. Then append some more and
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| 116 | * check the new position and see that read returns 0/EOF. Finally,
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| 117 | * do some seeking and read from a new position.
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| 118 | */
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| 119 | RTTestSub(hTest, "Basic 3");
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| 120 | rc = RTFileOpen(&hFile,
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| 121 | "tstFileAppend-1.tst",
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| 122 | RTFILE_O_READWRITE
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| 123 | | RTFILE_O_APPEND
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| 124 | | RTFILE_O_OPEN
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| 125 | | RTFILE_O_DENY_NONE
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| 126 | );
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| 127 | RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
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| 128 |
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| 129 | offActual = 9;
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| 130 | off = 0;
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| 131 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 132 | RTTESTI_CHECK_MSG(offActual == 0 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 133 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu on 3rd open\n", offActual);
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| 134 |
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| 135 | cb = 99;
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| 136 | RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 10, &cb), VINF_SUCCESS);
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| 137 | RTTESTI_CHECK(RT_FAILURE(rc) || cb == 10);
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| 138 | RTTESTI_CHECK_MSG(RT_FAILURE(rc) || !memcmp(szBuf, "0123456789", 10), ("read the wrong stuff: %.10s - expected 0123456789\n", szBuf));
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| 139 |
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| 140 | offActual = 999;
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| 141 | off = 0;
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| 142 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 143 | RTTESTI_CHECK_MSG(offActual == 10 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 144 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu on 1st open\n", offActual);
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| 145 |
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| 146 | RTTESTI_CHECK_RC(RTFileWrite(hFile, "klmnopqrst", 10, NULL), VINF_SUCCESS);
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| 147 |
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| 148 | offActual = 9999;
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| 149 | off = 0;
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| 150 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 151 | RTTESTI_CHECK_MSG(offActual == 30 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 152 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after 3rd write\n", offActual);
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| 153 |
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| 154 | RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 1, NULL), VERR_EOF);
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| 155 | cb = 99;
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| 156 | RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 1, &cb), VINF_SUCCESS);
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| 157 | RTTESTI_CHECK(cb == 0);
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| 158 |
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| 159 |
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| 160 | offActual = 99999;
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| 161 | off = 15;
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| 162 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_BEGIN, &offActual), VINF_SUCCESS);
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| 163 | RTTESTI_CHECK_MSG(offActual == 15 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 164 | if (RT_SUCCESS(rc) && offActual == 15)
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| 165 | {
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| 166 | RTTESTI_CHECK_RC(rc = RTFileRead(hFile, szBuf, 10, NULL), VINF_SUCCESS);
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| 167 | RTTESTI_CHECK_MSG(RT_FAILURE(rc) || !memcmp(szBuf, "fghijklmno", 10), ("read the wrong stuff: %.10s - expected fghijklmno\n", szBuf));
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| 168 |
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| 169 | offActual = 9999999;
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| 170 | off = 0;
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| 171 | RTTESTI_CHECK_RC(rc = RTFileSeek(hFile, off, RTFILE_SEEK_CURRENT, &offActual), VINF_SUCCESS);
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| 172 | RTTESTI_CHECK_MSG(offActual == 25 || RT_FAILURE(rc), ("offActual=%llu", offActual));
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| 173 | RTTestIPrintf(RTTESTLVL_INFO, "off=%llu after 2nd read\n", offActual);
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| 174 | }
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| 175 |
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| 176 | RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
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| 177 |
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| 178 | /*
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| 179 | * Open it read only + append and check that we cannot write to it.
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| 180 | */
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| 181 | RTTestSub(hTest, "Basic 4");
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| 182 | rc = RTFileOpen(&hFile,
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| 183 | "tstFileAppend-1.tst",
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| 184 | RTFILE_O_READ
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| 185 | | RTFILE_O_APPEND
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| 186 | | RTFILE_O_OPEN
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| 187 | | RTFILE_O_DENY_NONE);
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| 188 | RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
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| 189 |
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| 190 | rc = RTFileWrite(hFile, "pqrstuvwx", 10, &cb);
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| 191 | RTTESTI_CHECK_MSG(rc == VERR_ACCESS_DENIED || rc == VERR_INVALID_HANDLE, ("rc=%Rrc\n", rc));
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| 192 |
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| 193 | RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
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| 194 | RTTESTI_CHECK_RC(RTFileDelete("tstFileAppend-1.tst"), VINF_SUCCESS);
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| 195 | }
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| 196 |
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| 197 |
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| 198 | int main()
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| 199 | {
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| 200 | RTTEST hTest;
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| 201 | int rc = RTTestInitAndCreate("tstRTFileAppend-1", &hTest);
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| 202 | if (rc)
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| 203 | return rc;
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| 204 | RTTestBanner(hTest);
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| 205 | tstFileAppend1(hTest);
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| 206 | RTFileDelete("tstFileAppend-1.tst");
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| 207 | return RTTestSummaryAndDestroy(hTest);
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| 208 | }
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| 209 |
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