| 1 | /* $Id: tstRTPrfIO.cpp 32901 2010-10-05 10:03:45Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - Profile IPRT I/O APIs.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010 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 | #include <iprt/dir.h>
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| 33 | #include <iprt/fs.h>
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| 34 |
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| 35 | #include <iprt/getopt.h>
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| 36 | #include <iprt/param.h>
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| 37 | #include <iprt/path.h>
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| 38 | #include <iprt/string.h>
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| 39 | #include <iprt/test.h>
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| 40 | #include <iprt/time.h>
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| 41 |
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| 42 |
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| 43 | /*******************************************************************************
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| 44 | * Global Variables *
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| 45 | *******************************************************************************/
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| 46 | /** The test instance handle. */
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| 47 | static RTTEST g_hTest;
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| 48 | /** The max number of nanoseconds to benchmark an operation. */
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| 49 | static uint64_t g_cNsPerOperation = 1000*1000*1000;
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| 50 | /** The max operation count. */
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| 51 | static uint32_t g_cMaxOperations = 1000000;
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| 52 | /** The path to the test directory. */
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| 53 | static const char *g_pszTestDir = ".";
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| 54 |
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| 55 | /** The path to the primary test file. */
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| 56 | static char g_szTestFile1[RTPATH_MAX];
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| 57 | /** The path to the primary test directory. */
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| 58 | static char g_szTestDir1[RTPATH_MAX];
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| 59 |
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| 60 | /** The path to a nonexistent file in an existing directory. */
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| 61 | static char g_szNotExitingFile[RTPATH_MAX];
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| 62 | /** The path to a nonexistent directory. */
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| 63 | static char g_szNotExitingDir[RTPATH_MAX];
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| 64 | /** The path to a nonexistent file in a nonexistent directory. */
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| 65 | static char g_szNotExitingDirFile[RTPATH_MAX];
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| 66 |
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| 67 |
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| 68 | /*******************************************************************************
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| 69 | * Defined Constants And Macros *
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| 70 | *******************************************************************************/
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| 71 |
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| 72 | /**
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| 73 | * Benchmark an operation.
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| 74 | * @param stmt Statement to benchmark.
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| 75 | * @param what String litteral describing what's being benchmarked..
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| 76 | */
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| 77 | #define TIME_OP(stmt, what) \
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| 78 | do \
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| 79 | { \
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| 80 | /* warm-up */ \
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| 81 | stmt; \
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| 82 | stmt; \
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| 83 | \
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| 84 | /* the real thing */ \
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| 85 | uint32_t cOps = 0; \
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| 86 | uint64_t cNsElapsed = 0; \
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| 87 | uint64_t u64StartTS = RTTimeNanoTS(); \
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| 88 | for (;;) \
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| 89 | { \
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| 90 | stmt; \
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| 91 | cOps++; \
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| 92 | if ((cOps & 127) == 127) \
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| 93 | { \
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| 94 | cNsElapsed = RTTimeNanoTS() - u64StartTS; \
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| 95 | if (cNsElapsed >= g_cNsPerOperation || cOps >= g_cMaxOperations) \
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| 96 | break; \
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| 97 | } \
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| 98 | } \
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| 99 | RTTestValue(g_hTest, what, cNsElapsed / cOps, RTTESTUNIT_NS_PER_CALL); \
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| 100 | RTTestValue(g_hTest, what " cps", UINT64_C(10000000000) / (cNsElapsed * 10 / cOps), RTTESTUNIT_CALLS_PER_SEC); \
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| 101 | } while (0)
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| 102 |
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| 103 |
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| 104 |
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| 105 | static void benchmarkPathQueryInfo(void)
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| 106 | {
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| 107 | RTTestSub(g_hTest, "RTPathQueryInfo");
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| 108 |
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| 109 | RTFSOBJINFO ObjInfo;
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| 110 |
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| 111 | RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_szNotExitingFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), VERR_FILE_NOT_FOUND);
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| 112 | TIME_OP(RTPathQueryInfo(g_szNotExitingFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_szNotExitingFile)");
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| 113 |
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| 114 | int rc = RTPathQueryInfo(g_szNotExitingDirFile, &ObjInfo, RTFSOBJATTRADD_NOTHING);
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| 115 | RTTESTI_CHECK_RETV(rc == VERR_PATH_NOT_FOUND || VERR_FILE_NOT_FOUND);
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| 116 | TIME_OP(RTPathQueryInfo(g_szNotExitingDirFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_szNotExitingDirFile)");
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| 117 |
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| 118 | RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
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| 119 | TIME_OP(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_pszTestDir)");
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| 120 |
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| 121 | RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_UNIX), VINF_SUCCESS);
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| 122 | TIME_OP(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_UNIX), "RTPathQueryInfo(g_pszTestDir,UNIX)");
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| 123 |
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| 124 | RTTestSubDone(g_hTest);
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| 125 | }
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| 126 |
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| 127 |
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| 128 | DECL_FORCE_INLINE(int) benchmarkFileOpenCloseOp(const char *pszFilename)
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| 129 | {
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| 130 | RTFILE hFile;
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| 131 | int rc = RTFileOpen(&hFile, pszFilename, RTFILE_O_READ | RTFILE_O_DENY_NONE | RTFILE_O_OPEN);
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| 132 | if (RT_SUCCESS(rc))
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| 133 | rc = RTFileClose(hFile);
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| 134 | return rc;
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| 135 | }
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| 136 |
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| 137 | static void benchmarkFileOpenClose(void)
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| 138 | {
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| 139 | RTTestSub(g_hTest, "RTFileOpen + RTFileClose");
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| 140 |
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| 141 | RTTESTI_CHECK_RC_RETV(benchmarkFileOpenCloseOp(g_szNotExitingFile), VERR_FILE_NOT_FOUND);
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| 142 | TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingFile), "RTFileOpen(g_szNotExitingFile)");
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| 143 |
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| 144 | RTTESTI_CHECK_RC_RETV(benchmarkFileOpenCloseOp(g_szNotExitingFile), VERR_FILE_NOT_FOUND);
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| 145 | TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingFile), "RTFileOpen(g_szNotExitingFile)");
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| 146 |
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| 147 | int rc = benchmarkFileOpenCloseOp(g_szNotExitingDirFile);
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| 148 | RTTESTI_CHECK_RETV(rc == VERR_PATH_NOT_FOUND || VERR_FILE_NOT_FOUND);
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| 149 | TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingDirFile), "RTFileOpen(g_szNotExitingDirFile)");
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| 150 |
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| 151 | RTTestSubDone(g_hTest);
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| 152 | }
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| 153 |
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| 154 |
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| 155 |
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| 156 | int main(int argc, char **argv)
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| 157 | {
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| 158 | RTEXITCODE rcExit = RTTestInitAndCreate("tstRTPrfIO", &g_hTest);
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| 159 | if (rcExit != RTEXITCODE_SUCCESS)
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| 160 | return rcExit;
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| 161 | RTTestBanner(g_hTest);
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| 162 |
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| 163 | /*
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| 164 | * Parse arguments
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| 165 | */
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| 166 | static const RTGETOPTDEF s_aOptions[] =
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| 167 | {
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| 168 | { "--test-dir", 'd', RTGETOPT_REQ_STRING },
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| 169 | };
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| 170 | bool fFileOpenCloseTest = true;
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| 171 | bool fPathQueryInfoTest = true;
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| 172 | //bool fFileTests = true;
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| 173 | //bool fDirTests = true;
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| 174 |
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| 175 | int ch;
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| 176 | RTGETOPTUNION ValueUnion;
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| 177 | RTGETOPTSTATE GetState;
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| 178 | RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
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| 179 | while ((ch = RTGetOpt(&GetState, &ValueUnion)))
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| 180 | {
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| 181 | switch (ch)
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| 182 | {
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| 183 | case 'd':
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| 184 | g_pszTestDir = ValueUnion.psz;
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| 185 | break;
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| 186 |
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| 187 | case 'V':
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| 188 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "$Revision: 32901 $\n");
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| 189 | return RTTestSummaryAndDestroy(g_hTest);
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| 190 |
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| 191 | case 'h':
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| 192 | RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "usage: testname [-d <testdir>]\n");
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| 193 | return RTTestSummaryAndDestroy(g_hTest);
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| 194 |
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| 195 | default:
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| 196 | RTTestFailed(g_hTest, "invalid argument");
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| 197 | RTGetOptPrintError(ch, &ValueUnion);
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| 198 | return RTTestSummaryAndDestroy(g_hTest);
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| 199 | }
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| 200 | }
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| 201 |
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| 202 | /*
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| 203 | * Set up and check the prerequisites.
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| 204 | */
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| 205 | RTTESTI_CHECK_RC(RTPathJoin(g_szTestFile1, sizeof(g_szTestFile1), g_pszTestDir, "tstRTPrfIO-TestFile1"), VINF_SUCCESS);
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| 206 | RTTESTI_CHECK_RC(RTPathJoin(g_szTestDir1, sizeof(g_szTestDir1), g_pszTestDir, "tstRTPrfIO-TestDir1"), VINF_SUCCESS);
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| 207 | RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingFile, sizeof(g_szNotExitingFile), g_pszTestDir, "tstRTPrfIO-nonexistent-file"), VINF_SUCCESS);
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| 208 | RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingDir, sizeof(g_szNotExitingDir), g_pszTestDir, "tstRTPrfIO-nonexistent-dir"), VINF_SUCCESS);
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| 209 | RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingDirFile, sizeof(g_szNotExitingDirFile), g_szNotExitingDir, "nonexistent-file"), VINF_SUCCESS);
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| 210 | RTTESTI_CHECK(RTDirExists(g_pszTestDir));
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| 211 | if (RTPathExists(g_szTestDir1))
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| 212 | RTTestFailed(g_hTest, "The primary test directory (%s) already exist, please remove it", g_szTestDir1);
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| 213 | if (RTPathExists(g_szTestFile1))
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| 214 | RTTestFailed(g_hTest, "The primary test file (%s) already exist, please remove it", g_szTestFile1);
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| 215 | if (RTPathExists(g_szNotExitingFile))
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| 216 | RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingFile);
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| 217 | if (RTPathExists(g_szNotExitingDir))
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| 218 | RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingDir);
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| 219 | if (RTPathExists(g_szNotExitingDirFile))
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| 220 | RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingDirFile);
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| 221 |
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| 222 | /*
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| 223 | * Do the testing.
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| 224 | */
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| 225 | if (RTTestIErrorCount() == 0)
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| 226 | {
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| 227 | if (fPathQueryInfoTest)
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| 228 | benchmarkPathQueryInfo();
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| 229 | if (fFileOpenCloseTest)
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| 230 | benchmarkFileOpenClose();
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| 231 | //if (fFileTests)
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| 232 | // benchmarkFile();
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| 233 | //if (fDirTests)
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| 234 | // benchmarkDir();
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| 235 |
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| 236 | /*
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| 237 | * Cleanup.
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| 238 | */
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| 239 | RTFileDelete(g_szTestFile1);
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| 240 | RTDirRemoveRecursive(g_szTestDir1, 0);
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| 241 | RTTESTI_CHECK(RTDirExists(g_pszTestDir));
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| 242 | RTTESTI_CHECK(!RTPathExists(g_szTestDir1));
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| 243 | RTTESTI_CHECK(!RTPathExists(g_szTestFile1));
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| 244 | }
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| 245 |
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| 246 | return RTTestSummaryAndDestroy(g_hTest);
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| 247 | }
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| 248 |
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