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/********************* */
/*! \file context_mm_black.h
** \verbatim
** Original author: Dejan Jovanović <dejan.jovanovic@gmail.com>
** Major contributors: Morgan Deters <mdeters@cs.nyu.edu>
** Minor contributors (to current version): none
** This file is part of the CVC4 project.
** Copyright (c) 2009-2013 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Black box testing of CVC4::context::ContextMemoryManager.
**
** Black box testing of CVC4::context::ContextMemoryManager.
**/
#include <cxxtest/TestSuite.h>
#include <cstring>
//Used in some of the tests
#include <vector>
#include <iostream>
#include "context/context_mm.h"
using namespace std;
using namespace CVC4::context;
class ContextBlack : public CxxTest::TestSuite {
private:
ContextMemoryManager* d_cmm;
public:
void setUp() {
d_cmm = new ContextMemoryManager();
}
void testPushPop() {
// Push, then allocate, then pop
// We make sure that we don't allocate too much so that all the regions
// should be reclaimed
unsigned chunkSizeBytes = 16384;
unsigned maxFreeChunks = 100;
unsigned piecesPerChunk = 13;
unsigned len = chunkSizeBytes / piecesPerChunk; // Length of the individual block
unsigned N = maxFreeChunks*piecesPerChunk;
for(unsigned p = 0; p < 5; ++ p) {
d_cmm->push();
for(unsigned i = 0; i < N; ++i) {
char* newMem = (char*)d_cmm->newData(len);
// We only setup the memory in the first run, the others should
// reclaim the same memory
if(p == 0) {
for(unsigned k = 0; k < len - 1; k ++) {
newMem[k] = 'a';
}
newMem[len-1] = 0;
}
if(strlen(newMem) != len - 1) {
cout << strlen(newMem) << " : " << len - 1 << endl;
}
TS_ASSERT(strlen(newMem) == len - 1);
}
d_cmm->pop();
}
unsigned factor = 3;
N = 16384 / factor;
// Push, then allocate, then pop all at once
for(unsigned p = 0; p < 5; ++ p) {
d_cmm->push();
for(unsigned i = 1; i < N; ++i) {
unsigned len = i * factor;
char* newMem = (char*)d_cmm->newData(len);
for(unsigned k = 0; k < len - 1; k ++) {
newMem[k] = 'a';
}
newMem[len-1] = 0;
TS_ASSERT(strlen(newMem) == len - 1);
}
}
for(unsigned p = 0; p < 5; ++ p) {
d_cmm->pop();
}
// Try popping out of scope
d_cmm->pop();
}
void tearDown() {
delete d_cmm;
}
};
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