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/********************* */
/*! \file cdlist_black.h
** \verbatim
** Original author: Morgan Deters
** Major contributors: none
** Minor contributors (to current version): Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2014 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::CDList<>.
**
** Black box testing of CVC4::context::CDList<>.
**/
#include <cxxtest/TestSuite.h>
#include <iostream>
#include <limits.h>
#include <vector>
#include "base/exception.h"
#include "context/context.h"
#include "context/cdlist.h"
#include "memory.h"
using namespace std;
using namespace CVC4::context;
using namespace CVC4::test;
using namespace CVC4;
struct DtorSensitiveObject {
bool& d_dtorCalled;
DtorSensitiveObject(bool& dtorCalled) : d_dtorCalled(dtorCalled) {}
~DtorSensitiveObject() { d_dtorCalled = true; }
};
class CDListBlack : public CxxTest::TestSuite {
private:
Context* d_context;
public:
void setUp() {
d_context = new Context();
}
void tearDown() {
delete d_context;
}
// test at different sizes. this triggers grow() behavior differently.
// grow() was completely broken in revision 256
void testCDList10() { listTest(10); }
void testCDList15() { listTest(15); }
void testCDList20() { listTest(20); }
void testCDList35() { listTest(35); }
void testCDList50() { listTest(50); }
void testCDList99() { listTest(99); }
void listTest(int N) {
listTest(N, true);
listTest(N, false);
}
void listTest(int N, bool callDestructor) {
CDList<int> list(d_context, callDestructor);
TS_ASSERT(list.empty());
for(int i = 0; i < N; ++i) {
TS_ASSERT_EQUALS(list.size(), unsigned(i));
list.push_back(i);
TS_ASSERT(!list.empty());
TS_ASSERT_EQUALS(list.back(), i);
int i2 = 0;
for(CDList<int>::const_iterator j = list.begin();
j != list.end();
++j) {
TS_ASSERT_EQUALS(*j, i2++);
}
}
TS_ASSERT_EQUALS(list.size(), unsigned(N));
for(int i = 0; i < N; ++i) {
TS_ASSERT_EQUALS(list[i], i);
}
}
void testDtorCalled() {
bool shouldRemainFalse = false;
bool shouldFlipToTrue = false;
bool alsoFlipToTrue = false;
bool shouldAlsoRemainFalse = false;
bool aThirdFalse = false;
CDList<DtorSensitiveObject> listT(d_context, true);
CDList<DtorSensitiveObject> listF(d_context, false);
DtorSensitiveObject shouldRemainFalseDSO(shouldRemainFalse);
DtorSensitiveObject shouldFlipToTrueDSO(shouldFlipToTrue);
DtorSensitiveObject alsoFlipToTrueDSO(alsoFlipToTrue);
DtorSensitiveObject shouldAlsoRemainFalseDSO(shouldAlsoRemainFalse);
DtorSensitiveObject aThirdFalseDSO(aThirdFalse);
listT.push_back(shouldAlsoRemainFalseDSO);
listF.push_back(shouldAlsoRemainFalseDSO);
d_context->push();
listT.push_back(shouldFlipToTrueDSO);
listT.push_back(alsoFlipToTrueDSO);
listF.push_back(shouldRemainFalseDSO);
listF.push_back(shouldAlsoRemainFalseDSO);
listF.push_back(aThirdFalseDSO);
TS_ASSERT_EQUALS(shouldRemainFalse, false);
TS_ASSERT_EQUALS(shouldFlipToTrue, false);
TS_ASSERT_EQUALS(alsoFlipToTrue, false);
TS_ASSERT_EQUALS(shouldAlsoRemainFalse, false);
TS_ASSERT_EQUALS(aThirdFalse, false);
d_context->pop();
TS_ASSERT_EQUALS(shouldRemainFalse, false);
TS_ASSERT_EQUALS(shouldFlipToTrue, true);
TS_ASSERT_EQUALS(alsoFlipToTrue, true);
TS_ASSERT_EQUALS(shouldAlsoRemainFalse, false);
TS_ASSERT_EQUALS(aThirdFalse, false);
}
void testEmptyIterator() {
CDList<int>* list = new(true) CDList<int>(d_context);
TS_ASSERT_EQUALS(list->begin(), list->end());
list->deleteSelf();
}
/* setrlimit() totally broken on Mac OS X */
void testOutOfMemory() {
#ifdef __APPLE__
TS_WARN("can't run memory tests on Mac OS X");
#else /* __APPLE__ */
CDList<unsigned> list(d_context);
WithLimitedMemory wlm(1);
TS_ASSERT_THROWS({
// We cap it at UINT_MAX, preferring to terminate with a
// failure than run indefinitely.
for(unsigned i = 0; i < UINT_MAX; ++i) {
list.push_back(i);
}
}, bad_alloc);
#endif /* __APPLE__ */
}
};
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