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/* 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 <NdbTick.h>
#include <DataBuffer.hpp>
#undef test
struct Buffer {
Buffer(Uint32 size){ m_sz = size; buffer = new Uint32[m_sz]; m_len = 0;}
~Buffer(){ delete [] buffer;}
Uint32 m_sz;
Uint32 m_len;
Uint32 * buffer;
};
inline
void
require(bool b){
if(!b)
abort();
}
template<Uint32 sz>
void
compare(DataBuffer<sz> & db, Buffer & buf){
typename DataBuffer<sz>::DataBufferIterator it;
db.first(it);
for(Uint32 i = 0; i<buf.m_len; i++){
if(buf.buffer[i] != * it.data){
db.print(stdout);
abort();
}
db.next(it);
}
for(Uint32 i = 0; i<buf.m_len; i++){
if(!db.position(it, i))
abort();
if(buf.buffer[i] != * it.data){
db.print(stdout);
abort();
}
}
}
template<Uint32 sz>
void
test(Uint32 loops, Uint32 iter){
ndbout_c("DataBuffer<%d> loops=%d iter=%d", sz, loops, iter);
while(loops-- > 0){
Uint32 size = sz*((10 + (rand() % (10 * sz)) + sz - 1)/sz);
typename DataBuffer<sz>::DataBufferPool thePool;
typename DataBuffer<sz>::DataBufferIterator it;
DataBuffer<sz> db(thePool);
thePool.setSize((size + sz - 1) / sz);
Buffer buf(size);
bool testOverRun = true;
for(Uint32 i = 0; i<iter; i++){
Uint32 c = (rand() % (testOverRun ? 7 : 4));
Uint32 free = (size - db.getSize());
Uint32 alloc = 0;
if(free == 0){
c = (testOverRun ? c : 0);
if(c >= 1 && c <= 3)
c += 3;
}
if(free <= 1)
alloc = 1;
else
alloc = 1 + (rand() % (free - 1));
//ndbout_c("iter=%d case=%d free=%d alloc=%d", i, c, free, alloc);
switch(c){
case 0: // Release
db.first(it);
for(; !it.curr.isNull(); db.next(it))
* it.data = 0;
db.release();
buf.m_len = 0;
break;
case 1:{ // Append (success)
for(Uint32 i = 0; i<alloc; i++)
buf.buffer[buf.m_len + i] = buf.m_len + i;//rand();
require(db.append(&buf.buffer[buf.m_len], alloc));
buf.m_len += alloc;
break;
}
case 2: { // Seize(1) (success)
for(Uint32 i = 0; i<alloc; i++){
buf.buffer[buf.m_len + i] = buf.m_len + i;//rand();
require(db.seize(1));
require(db.position(it, db.getSize()-1));
* it.data = buf.buffer[buf.m_len + i];
}
buf.m_len += alloc;
break;
}
case 3: { // Seize(n) (success)
for(Uint32 i = 0; i<alloc; i++){
buf.buffer[buf.m_len + i] = buf.m_len + i;//rand();
}
Uint32 pos = db.getSize();
require(db.seize(alloc));
require(db.position(it, pos));
for(Uint32 i = 0; i<alloc; i++){
* it.data = buf.buffer[buf.m_len + i];
db.next(it);
}
buf.m_len += alloc;
break;
}
case 4: { // Append fail
require(!db.append(buf.buffer, alloc + free));
require(db.getSize() == 0);
buf.m_len = 0;
break;
}
case 5: { // Seize(1) - fail
for(Uint32 i = 0; i<free; i++){
require(db.seize(1));
}
require(!db.seize(1));
require(db.getSize() == 0);
buf.m_len = 0;
break;
}
case 6: { // Seize(n) - fail
require(!db.seize(alloc + free));
require(db.getSize() == 0);
buf.m_len = 0;
break;
}
}
compare(db, buf);
}
}
}
int
main(void){
srand(NdbTick_CurrentMillisecond());
test<1>(1000, 1000);
test<11>(1000, 1000);
test<15>(1000, 1000);
test<16>(1000, 1000);
test<17>(1000, 1000);
#if 0
#endif
return 0;
}
void
ErrorReporter::handleAssert(const char * msg, const char * file, int line)
{
ndbout << "ErrorReporter::handleAssert activated - "
<< " line= " << line << endl;
abort();
}
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