mmstest.cpp
上传用户:romrleung
上传日期:2022-05-23
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文件大小:2k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <ndb_global.h>
- #include <NdbOut.hpp>
- #include "NdbThread.h"
- #include <NdbMem.h>
- #include <NdbMain.h>
- NDB_COMMAND(ndbmem, "ndbmem", "ndbmem", "Test the ndbmem functionality", 4096){
- ndbout << "Starting test of NdbMem" << endl;
- ndbout << "=======================" << endl;
- ndbout << "Creating NdbMem" << endl;
- NdbMem_Create();
-
- ndbout << "NdbMem - test 1" << endl;
- if (argc == 2){
- int size1 = atoi(argv[1]);
- ndbout << "Allocate and test "<<size1<<" bytes of memory" << endl;
- char* mem1 = (char*)NdbMem_Allocate(size1);
- ndbout << "mem1 = " << hex << (int)mem1 << endl;
- if (mem1 != NULL){
- char* p1;
- // Write to the memory allocated
- p1 = mem1;
- for(int i = 0; i < size1; i++){
- *p1 = (char)(i%256);
- p1++;
- }
- // Read from the memory and check value
- char read1;
- char* pread1;
- pread1 = mem1;
- for(int i = 0; i < size1; i++){
- read1 = *pread1;
- //ndbout << i << "=" << read1 << endl;
- if (read1 != (i%256))
- ndbout << "Byte " << i << " was not correct, read1=" << read1 << endl;
- pread1++;
- }
- ndbout << "Freeing NdbMem" << endl;
- NdbMem_Free(mem1);
- }
- ndbout << "Destroying NdbMem" << endl;
- NdbMem_Destroy();
- }else{
- ndbout << "Usage: ndbmem <size(bytes)>"<< endl;
- }
- return NULL;
- }