tstHeapSimple.cpp revision 9d805e5fdc5c2254d518988f5c12532b8cd00d14
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync/* $Id $ */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync/** @file
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * innotek Portable Runtime Testcase - Simple Heap.
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync/*
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync * Copyright (C) 2006-2007 innotek GmbH
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync *
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * available from http://www.virtualbox.org. This file is free software;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * you can redistribute it and/or modify it under the terms of the GNU
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * General Public License as published by the Free Software Foundation,
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * distribution. VirtualBox OSE is distributed in the hope that it will
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * be useful, but WITHOUT ANY WARRANTY of any kind.
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync/*******************************************************************************
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync* Header Files *
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync*******************************************************************************/
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/heap.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/initterm.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/err.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/stream.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/string.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/param.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync#include <iprt/assert.h>
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsyncint main(int argc, char *argv[])
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync{
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync /*
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * Init runtime.
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync int rc = RTR3Init();
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync if (RT_FAILURE(rc))
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTPrintf("RTR3Init failed: %Vrc\n", rc);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync return 1;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTPrintf("tstHeapSimple: TESTING...\n");
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync /*
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * Create a heap.
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync static uint8_t s_abMem[128*1024];
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTHEAPSIMPLE Heap;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync rc = RTHeapSimpleInit(&Heap, &s_abMem[1], sizeof(s_abMem) - 1);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync if (RT_FAILURE(rc))
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTPrintf("RTHeapSimpleInit failed: %Vrc\n", rc);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync return 1;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync /*
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync * Try allocate.
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync static struct
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync size_t cb;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync unsigned uAlignment;
ad27e1d5e48ca41245120c331cc88b50464813cevboxsync void *pvAlloc;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync unsigned iFreeOrder;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync } aOps[] =
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 0, NULL, 0 }, // 0
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 4, NULL, 1 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 8, NULL, 2 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 16, NULL, 5 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 32, NULL, 4 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 32, 0, NULL, 3 }, // 5
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 31, 0, NULL, 6 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 1024, 0, NULL, 8 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 1024, 32, NULL, 10 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 1024, 32, NULL, 12 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { PAGE_SIZE, PAGE_SIZE, NULL, 13 }, // 10
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 1024, 32, NULL, 9 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { PAGE_SIZE, 32, NULL, 11 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { PAGE_SIZE, PAGE_SIZE, NULL, 14 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 0, NULL, 15 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 9, 0, NULL, 7 }, // 15
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 0, NULL, 7 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 36, 0, NULL, 7 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 0, NULL, 7 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 12344, 0, NULL, 7 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 50, 0, NULL, 7 }, // 20
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync { 16, 0, NULL, 7 },
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync };
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync unsigned i;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTHeapSimpleDump(Heap, (PFNRTHEAPSIMPLEPRINTF)RTPrintf);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync size_t cbBefore = RTHeapSimpleGetFreeSize(Heap);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync static char szFill[] = "01234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync /* allocate */
9d4498106267e3834edc3a37bca5ca660153525cvboxsync for (i = 0; i < ELEMENTS(aOps); i++)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync aOps[i].pvAlloc = RTHeapSimpleAlloc(Heap, aOps[i].cb, aOps[i].uAlignment);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync if (!aOps[i].pvAlloc)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTPrintf("Failure: RTHeapSimpleAlloc(%p, %#x, %#x,) -> NULL i=%d\n", (void *)Heap, aOps[i].cb, aOps[i].uAlignment, i);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync return 1;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync memset(aOps[i].pvAlloc, szFill[i], aOps[i].cb);
9d4498106267e3834edc3a37bca5ca660153525cvboxsync if (RT_ALIGN_P(aOps[i].pvAlloc, (aOps[i].uAlignment ? aOps[i].uAlignment : 8)) != aOps[i].pvAlloc)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
9e66213005c4dba14a83d8467a93f5f51b504c97vboxsync RTPrintf("Failure: RTHeapSimpleAlloc(%p, %#x, %#x,) -> %p\n", (void *)Heap, aOps[i].cb, aOps[i].uAlignment, i);
9e66213005c4dba14a83d8467a93f5f51b504c97vboxsync return 1;
5d69af51557e9e9db029ecd243e820383af49b18vboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync /* free and allocate the same node again. */
ed24120b1d8a2eddf4291a9654cf45b2372135abvboxsync for (i = 0; i < ELEMENTS(aOps); i++)
ed24120b1d8a2eddf4291a9654cf45b2372135abvboxsync {
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync if (!aOps[i].pvAlloc)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync continue;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync //RTPrintf("debug: i=%d pv=%#x cb=%#zx align=%#zx cbReal=%#zx\n", i, aOps[i].pvAlloc,
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync // aOps[i].cb, aOps[i].uAlignment, RTHeapSimpleSize(Heap, aOps[i].pvAlloc));
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync size_t cbBeforeSub = RTHeapSimpleGetFreeSize(Heap);
ed24120b1d8a2eddf4291a9654cf45b2372135abvboxsync RTHeapSimpleFree(Heap, aOps[i].pvAlloc);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync size_t cbAfterSubFree = RTHeapSimpleGetFreeSize(Heap);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
5d69af51557e9e9db029ecd243e820383af49b18vboxsync void *pv;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync pv = RTHeapSimpleAlloc(Heap, aOps[i].cb, aOps[i].uAlignment);
5d69af51557e9e9db029ecd243e820383af49b18vboxsync if (!pv)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
ed24120b1d8a2eddf4291a9654cf45b2372135abvboxsync RTPrintf("Failure: RTHeapSimpleAlloc(%p, %#x, %#x,) -> NULL i=%d\n", (void *)Heap, aOps[i].cb, aOps[i].uAlignment, i);
5d69af51557e9e9db029ecd243e820383af49b18vboxsync return 1;
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync //RTPrintf("debug: i=%d pv=%p cbReal=%#zx cbBeforeSub=%#zx cbAfterSubFree=%#zx cbAfterSubAlloc=%#zx \n", i, pv, RTHeapSimpleSize(Heap, pv),
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync // cbBeforeSub, cbAfterSubFree, RTHeapSimpleGetFreeSize(Heap));
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync if (pv != aOps[i].pvAlloc)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTPrintf("Warning: Free+Alloc returned different address. new=%p old=%p i=%d\n", pv, aOps[i].pvAlloc, i);
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync aOps[i].pvAlloc = pv;
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync size_t cbAfterSubAlloc = RTHeapSimpleGetFreeSize(Heap);
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync if (cbBeforeSub != cbAfterSubAlloc)
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync {
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync RTPrintf("Warning: cbBeforeSub=%#zx cbAfterSubFree=%#zx cbAfterSubAlloc=%#zx. i=%d\n",
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync cbBeforeSub, cbAfterSubFree, cbAfterSubAlloc, i);
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync //return 1; - won't work correctly until we start creating free block instead of donating memory on alignment.
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync }
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync }
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync /* free it in a specific order. */
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync int cFreed = 0;
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync for (i = 0; i < ELEMENTS(aOps); i++)
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync {
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync unsigned j;
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync for (j = 0; j < ELEMENTS(aOps); j++)
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync {
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync if ( aOps[j].iFreeOrder != i
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync || !aOps[j].pvAlloc)
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync continue;
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync //RTPrintf("j=%d i=%d free=%d cb=%d pv=%p\n", j, i, RTHeapSimpleGetFreeSize(Heap), aOps[j].cb, aOps[j].pvAlloc);
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync RTHeapSimpleFree(Heap, aOps[j].pvAlloc);
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync aOps[j].pvAlloc = NULL;
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync cFreed++;
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync }
4d8251400411b4dcf2c86b5b0376a326ff45938cvboxsync }
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync Assert(cFreed == RT_ELEMENTS(aOps));
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTPrintf("i=done free=%d\n", RTHeapSimpleGetFreeSize(Heap));
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync /* check that we're back at the right amount of free memory. */
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync size_t cbAfter = RTHeapSimpleGetFreeSize(Heap);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync if (cbBefore != cbAfter)
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync {
468c2bcb36eb9a032f5dd0fcb34db10bd58e9996vboxsync RTPrintf("Warning: Either we've split out an alignment chunk at the start, or we've got\n"
de210ca38246009981a22de928a52566c8c53970vboxsync " an alloc/free accounting bug: cbBefore=%d cbAfter=%d\n", cbBefore, cbAfter);
ba8183e1a0c699f5b5131a03e157fc7e39ed3009vboxsync RTHeapSimpleDump(Heap, (PFNRTHEAPSIMPLEPRINTF)RTPrintf);
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync }
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync RTPrintf("tstHeapSimple: Success\n");
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync#ifdef LOG_ENABLED
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync RTLogFlush(NULL);
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync#endif
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync return 0;
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync}
a2828f06a7a97fd85445ed5b2c5cb6a12a185d1dvboxsync