| 1 | /* $Id: tstRTStrCache.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - StrCache.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009 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 | * Header Files *
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| 29 | *******************************************************************************/
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| 30 | #include <iprt/strcache.h>
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| 31 |
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| 32 | #include <iprt/asm.h>
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| 33 | #include <iprt/err.h>
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| 34 | #include <iprt/initterm.h>
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| 35 | #include <iprt/string.h>
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| 36 | #include <iprt/test.h>
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| 37 | #include <iprt/thread.h>
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| 38 | #include <iprt/rand.h>
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| 39 |
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| 40 |
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| 41 | /**
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| 42 | * Basic API checks.
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| 43 | * We'll return if any of these fails.
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| 44 | */
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| 45 | static void tst1(RTSTRCACHE hStrCache)
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| 46 | {
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| 47 | const char *psz;
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| 48 |
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| 49 | /* Simple string entering and length. */
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| 50 | RTTESTI_CHECK_RETV(psz = RTStrCacheEnter(hStrCache, "abcdefgh"));
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| 51 | RTTESTI_CHECK_RETV(strcmp(psz, "abcdefgh") == 0);
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| 52 | RTTESTI_CHECK_RETV(RTStrCacheLength(psz) == strlen("abcdefgh"));
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| 53 | RTTESTI_CHECK_RETV(RTStrCacheRelease(hStrCache, psz) == 0);
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| 54 |
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| 55 | RTTESTI_CHECK_RETV(psz = RTStrCacheEnter(hStrCache, "abcdefghijklmnopqrstuvwxyz"));
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| 56 | RTTESTI_CHECK_RETV(strcmp(psz, "abcdefghijklmnopqrstuvwxyz") == 0);
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| 57 | RTTESTI_CHECK_RETV(RTStrCacheLength(psz) == strlen("abcdefghijklmnopqrstuvwxyz"));
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| 58 | RTTESTI_CHECK_RETV(RTStrCacheRelease(hStrCache, psz) == 0);
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| 59 |
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| 60 | /* Unterminated strings. */
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| 61 | RTTESTI_CHECK_RETV(psz = RTStrCacheEnterN(hStrCache, "0123456789", 3));
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| 62 | RTTESTI_CHECK_RETV(strcmp(psz, "012") == 0);
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| 63 | RTTESTI_CHECK_RETV(RTStrCacheLength(psz) == strlen("012"));
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| 64 | RTTESTI_CHECK_RETV(RTStrCacheRelease(hStrCache, psz) == 0);
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| 65 |
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| 66 | RTTESTI_CHECK_RETV(psz = RTStrCacheEnterN(hStrCache, "0123456789abcdefghijklmnopqrstuvwxyz", 16));
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| 67 | RTTESTI_CHECK_RETV(strcmp(psz, "0123456789abcdef") == 0);
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| 68 | RTTESTI_CHECK_RETV(RTStrCacheLength(psz) == strlen("0123456789abcdef"));
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| 69 | RTTESTI_CHECK_RETV(RTStrCacheRelease(hStrCache, psz) == 0);
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| 70 |
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| 71 | /* String referencing. */
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| 72 | char szTest[4096+16];
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| 73 | memset(szTest, 'a', sizeof(szTest));
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| 74 | char szTest2[4096+16];
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| 75 | memset(szTest2, 'f', sizeof(szTest));
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| 76 | for (int32_t i = 4096; i > 3; i /= 3)
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| 77 | {
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| 78 | void *pv2;
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| 79 | RTTESTI_CHECK_RETV(psz = RTStrCacheEnterN(hStrCache, szTest, i));
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| 80 | RTTESTI_CHECK_MSG_RETV((pv2 = ASMMemIsAll8(psz, i, 'a')) == NULL && !psz[i], ("i=%#x psz=%p off=%#x\n", i, psz, (uintptr_t)pv2 - (uintptr_t)psz));
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| 81 | RTTESTI_CHECK(RTStrCacheRetain(psz) == 2);
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| 82 | RTTESTI_CHECK(RTStrCacheRetain(psz) == 3);
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| 83 | RTTESTI_CHECK(RTStrCacheRetain(psz) == 4);
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| 84 | RTTESTI_CHECK_MSG_RETV((pv2 = ASMMemIsAll8(psz, i, 'a')) == NULL && !psz[i], ("i=%#x psz=%p off=%#x\n", i, psz, (uintptr_t)pv2 - (uintptr_t)psz));
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| 85 | RTTESTI_CHECK(RTStrCacheRelease(hStrCache, psz) == 3);
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| 86 | RTTESTI_CHECK_MSG_RETV((pv2 = ASMMemIsAll8(psz, i, 'a')) == NULL && !psz[i], ("i=%#x psz=%p off=%#x\n", i, psz, (uintptr_t)pv2 - (uintptr_t)psz));
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| 87 | RTTESTI_CHECK(RTStrCacheRetain(psz) == 4);
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| 88 | RTTESTI_CHECK(RTStrCacheRetain(psz) == 5);
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| 89 | RTTESTI_CHECK(RTStrCacheRetain(psz) == 6);
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| 90 | RTTESTI_CHECK(RTStrCacheRelease(NIL_RTSTRCACHE, psz) == 5);
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| 91 | RTTESTI_CHECK(RTStrCacheRelease(NIL_RTSTRCACHE, psz) == 4);
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| 92 | RTTESTI_CHECK_MSG_RETV((pv2 = ASMMemIsAll8(psz, i, 'a')) == NULL && !psz[i], ("i=%#x psz=%p off=%#x\n", i, psz, (uintptr_t)pv2 - (uintptr_t)psz));
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| 93 |
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| 94 | for (uint32_t cRefs = 3;; cRefs--)
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| 95 | {
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| 96 | RTTESTI_CHECK(RTStrCacheRelease(hStrCache, psz) == cRefs);
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| 97 | if (cRefs == 0)
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| 98 | break;
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| 99 | RTTESTI_CHECK_MSG_RETV((pv2 = ASMMemIsAll8(psz, i, 'a')) == NULL && !psz[i], ("i=%#x psz=%p off=%#x cRefs=%d\n", i, psz, (uintptr_t)pv2 - (uintptr_t)psz, cRefs));
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| 100 | for (uint32_t j = 0; j < 42; j++)
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| 101 | {
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| 102 | const char *psz2;
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| 103 | RTTESTI_CHECK_RETV(psz2 = RTStrCacheEnterN(hStrCache, szTest2, i));
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| 104 | RTTESTI_CHECK_RETV(psz2 != psz);
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| 105 | RTTESTI_CHECK(RTStrCacheRelease(hStrCache, psz2) == 0);
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| 106 | RTTESTI_CHECK_MSG_RETV((pv2 = ASMMemIsAll8(psz, i, 'a')) == NULL && !psz[i], ("i=%#x psz=%p off=%#x cRefs=%d\n", i, psz, (uintptr_t)pv2 - (uintptr_t)psz, cRefs));
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| 107 | }
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| 108 | }
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| 109 | }
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| 110 | }
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| 111 |
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| 112 |
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| 113 | int main()
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| 114 | {
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| 115 | RTTEST hTest;
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| 116 | int rc = RTTestInitAndCreate("tstRTStrCache", &hTest);
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| 117 | if (rc)
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| 118 | return rc;
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| 119 | RTTestBanner(hTest);
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| 120 |
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| 121 | /*
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| 122 | * Smoke tests using first the default and then a custom pool.
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| 123 | */
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| 124 | RTTestSub(hTest, "Smoke test on default cache");
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| 125 | tst1(RTSTRCACHE_DEFAULT);
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| 126 |
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| 127 | RTTestSub(hTest, "Smoke test on custom cache");
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| 128 | RTSTRCACHE hStrCache;
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| 129 | RTTESTI_CHECK_RC(rc = RTStrCacheCreate(&hStrCache, "test 2a"), VINF_SUCCESS);
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| 130 | if (RT_SUCCESS(rc))
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| 131 | RTTESTI_CHECK_RC(rc = RTStrCacheDestroy(hStrCache), VINF_SUCCESS);
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| 132 | RTTESTI_CHECK_RC(rc = RTStrCacheDestroy(NIL_RTSTRCACHE), VINF_SUCCESS);
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| 133 | RTTESTI_CHECK_RC(rc = RTStrCacheDestroy(RTSTRCACHE_DEFAULT), VINF_SUCCESS);
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| 134 | RTTESTI_CHECK_RC(rc = RTStrCacheDestroy(RTSTRCACHE_DEFAULT), VINF_SUCCESS);
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| 135 |
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| 136 | RTTESTI_CHECK_RC(rc = RTStrCacheCreate(&hStrCache, "test 2b"), VINF_SUCCESS);
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| 137 | if (RT_SUCCESS(rc))
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| 138 | {
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| 139 | tst1(hStrCache);
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| 140 | RTTESTI_CHECK_RC(rc = RTStrCacheDestroy(hStrCache), VINF_SUCCESS);
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| 141 | }
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| 142 |
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| 143 | /*
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| 144 | * Summary.
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| 145 | */
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| 146 | return RTTestSummaryAndDestroy(hTest);
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| 147 | }
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| 148 |
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