X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b024b9e443552c94609fc56a240cdb199a329853..5f5a10db6fc4552782638abb4817041223e17775:/teshsuite/xbt/mmalloc/mmalloc_test.cpp diff --git a/teshsuite/xbt/mmalloc/mmalloc_test.cpp b/teshsuite/xbt/mmalloc/mmalloc_test.cpp deleted file mode 100644 index 847ff6cee3..0000000000 --- a/teshsuite/xbt/mmalloc/mmalloc_test.cpp +++ /dev/null @@ -1,116 +0,0 @@ -/* Copyright (c) 2012-2019. The SimGrid Team. All rights reserved. */ - -/* This program is free software; you can redistribute it and/or modify it - * under the terms of the license (GNU LGPL) which comes with this package. */ - -#include "simgrid/Exception.hpp" -#include "xbt.h" -#include "xbt/mmalloc.h" - -#include -#include -#include -#include -#include -#include -#include - -XBT_LOG_NEW_DEFAULT_CATEGORY(test,"this test"); - -constexpr int BUFFSIZE = 204800; -constexpr int TESTSIZE = 100; - -#define size_of_block(i) (((i % 50)+1)* 100) - -static void check_block(const void* s, int c, int n) -{ - const unsigned char* p = static_cast(s); - unsigned char b = static_cast(c); - for (int i = 0; i < n; i++) - if (p[i] != b) - xbt_die("value mismatch: %p[%d] = %#hhx, expected %#hhx", p, i, p[i], b); -} - -int main(int argc, char**argv) -{ - xbt_mheap_t heapA = nullptr; - void *pointers[TESTSIZE]; - xbt_init(&argc,argv); - - XBT_INFO("Allocating a new heap"); - unsigned long mask = ~((unsigned long)xbt_pagesize - 1); - void *addr = (void*)(((unsigned long)sbrk(0) + BUFFSIZE) & mask); - heapA = xbt_mheap_new(-1, addr); - if (heapA == NULL) { - perror("attach 1 failed"); - fprintf(stderr, "bye\n"); - exit(1); - } - - XBT_INFO("HeapA allocated"); - - int i; - int size; - for (i = 0; i < TESTSIZE; i++) { - size = size_of_block(i); - pointers[i] = mmalloc(heapA, size); - XBT_INFO("%d bytes allocated with offset %zx", size, (size_t)((char*)pointers[i] - (char*)heapA)); - } - XBT_INFO("All blocks were correctly allocated. Free every second block"); - for (i = 0; i < TESTSIZE; i+=2) { - mfree(heapA, pointers[i]); - } - XBT_INFO("Memset every second block to zero (yeah, they are not currently allocated :)"); - for (i = 0; i < TESTSIZE; i+=2) { - size = size_of_block(i); - memset(pointers[i],0, size); - } - XBT_INFO("Re-allocate every second block"); - for (i = 0; i < TESTSIZE; i+=2) { - size = size_of_block(i); - pointers[i] = mmalloc(heapA, size); - } - - XBT_INFO("free all blocks (each one twice, to check that double free are correctly catched)"); - for (i = 0; i < TESTSIZE; i++) { - bool gotit = false; - mfree(heapA, pointers[i]); - try { - mfree(heapA, pointers[i]); - } catch(xbt_ex& e) { - gotit = true; - } - if (not gotit) - xbt_die("FAIL: A double-free went undetected (for size:%d)",size_of_block(i)); - } - - XBT_INFO("free again all blocks (to really check that double free are correctly catched)"); - for (i = 0; i < TESTSIZE; i++) { - bool gotit = false; - try { - mfree(heapA, pointers[i]); - } catch(xbt_ex& e) { - gotit = true; - } - if (not gotit) - xbt_die("FAIL: A double-free went undetected (for size:%d)",size_of_block(i)); - } - - XBT_INFO("Let's try different codepaths for mrealloc"); - for (i = 0; i < TESTSIZE; i++) { - const std::vector> requests = { - {size_of_block(i) / 2, 0x77}, {size_of_block(i) * 2, 0xaa}, {1, 0xc0}, {0, 0}}; - pointers[i] = nullptr; - for (unsigned k = 0; k < requests.size(); ++k) { - size = requests[k].first; - pointers[i] = mrealloc(heapA, pointers[i], size); - if (k > 0) - check_block(pointers[i], requests[k - 1].second, std::min(size, requests[k - 1].first)); - if (size > 0) - memset(pointers[i], requests[k].second, size); - } - } - - XBT_INFO("Damnit, I cannot break mmalloc this time. That's SO disappointing."); - return 0; -}