| 1 | /* $Id: tstRTSort.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - Sorting.
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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 | * Header Files *
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| 29 | *******************************************************************************/
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| 30 | #include <iprt/sort.h>
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| 31 |
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| 32 | #include <iprt/err.h>
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| 33 | #include <iprt/rand.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 | /*******************************************************************************
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| 39 | * Structures and Typedefs *
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| 40 | *******************************************************************************/
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| 41 | typedef struct TSTRTSORTAPV
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| 42 | {
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| 43 | uint32_t aValues[8192];
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| 44 | void *apv[8192];
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| 45 | size_t cElements;
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| 46 | } TSTRTSORTAPV;
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| 47 |
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| 48 |
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| 49 | static DECLCALLBACK(int) testApvCompare(void const *pvElement1, void const *pvElement2, void *pvUser)
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| 50 | {
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| 51 | TSTRTSORTAPV *pData = (TSTRTSORTAPV *)pvUser;
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| 52 | uint32_t const *pu32Element1 = (uint32_t const *)pvElement1;
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| 53 | uint32_t const *pu32Element2 = (uint32_t const *)pvElement2;
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| 54 | RTTESTI_CHECK(VALID_PTR(pData) && pData->cElements <= RT_ELEMENTS(pData->aValues));
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| 55 | RTTESTI_CHECK((uintptr_t)(pu32Element1 - &pData->aValues[0]) < pData->cElements);
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| 56 | RTTESTI_CHECK((uintptr_t)(pu32Element2 - &pData->aValues[0]) < pData->cElements);
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| 57 |
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| 58 | if (*pu32Element1 < *pu32Element2)
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| 59 | return -1;
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| 60 | if (*pu32Element1 > *pu32Element2)
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| 61 | return 1;
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| 62 | return 0;
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| 63 | }
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| 64 |
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| 65 | static void testApvSorter(FNRTSORTAPV pfnSorter, const char *pszName)
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| 66 | {
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| 67 | RTTestISub(pszName);
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| 68 |
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| 69 | RTRAND hRand;
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| 70 | RTTESTI_CHECK_RC_OK_RETV(RTRandAdvCreateParkMiller(&hRand));
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| 71 |
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| 72 | TSTRTSORTAPV Data;
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| 73 | for (size_t cElements = 0; cElements < RT_ELEMENTS(Data.apv); cElements++)
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| 74 | {
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| 75 | RT_ZERO(Data);
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| 76 | Data.cElements = cElements;
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| 77 |
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| 78 | /* popuplate the array */
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| 79 | for (size_t i = 0; i < cElements; i++)
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| 80 | {
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| 81 | Data.aValues[i] = RTRandAdvU32(hRand);
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| 82 | Data.apv[i] = &Data.aValues[i];
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| 83 | }
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| 84 |
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| 85 | /* sort it */
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| 86 | pfnSorter(&Data.apv[0], cElements, testApvCompare, &Data);
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| 87 |
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| 88 | /* verify it */
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| 89 | if (!RTSortApvIsSorted(&Data.apv[0], cElements, testApvCompare, &Data))
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| 90 | RTTestIFailed("failed sorting %u elements", cElements);
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| 91 | }
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| 92 | }
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| 93 |
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| 94 |
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| 95 | int main()
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| 96 | {
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| 97 | RTTEST hTest;
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| 98 | int rc = RTTestInitAndCreate("tstRTTemp", &hTest);
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| 99 | if (rc)
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| 100 | return rc;
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| 101 | RTTestBanner(hTest);
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| 102 |
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| 103 | /*
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| 104 | * Test the different algorithms.
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| 105 | */
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| 106 | testApvSorter(RTSortApvShell, "RTSortApvShell - shell sort, pointer array");
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| 107 |
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| 108 | /*
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| 109 | * Summary.
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| 110 | */
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| 111 | return RTTestSummaryAndDestroy(hTest);
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| 112 | }
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| 113 |
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