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/********************* */
/** context_black.h
** Original author: dejan
** Major contributors: mdeters
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** Black box testing of CVC4::context::Context.
**/
#include <cxxtest/TestSuite.h>
#include <vector>
#include <iostream>
#include "context/context.h"
#include "context/cdlist.h"
#include "context/cdo.h"
#include "util/Assert.h"
using namespace std;
using namespace CVC4;
using namespace CVC4::context;
class ContextBlack : public CxxTest::TestSuite {
private:
Context* d_context;
public:
void setUp() {
d_context = new Context;
}
void tearDown() {
delete d_context;
}
void testContextPushPop() {
// Test what happens when the context is popped below 0
// the interface doesn't declare any exceptions
d_context->push();
d_context->pop();
#ifdef CVC4_ASSERTIONS
TS_ASSERT_THROWS( d_context->pop(), AssertionException );
TS_ASSERT_THROWS( d_context->pop(), AssertionException );
#endif /* CVC4_ASSERTIONS */
}
void testDtor() {
// Destruction of ContextObj was broken in revision 324 (bug #45) when
// at a higher context level with an intervening modification.
// (The following caused a "pure virtual method called" error.)
CDO<int> i(d_context);
d_context->push();
i = 5;
}
void testPreNotify() {
struct MyContextNotifyObj : ContextNotifyObj {
int nCalls;
MyContextNotifyObj(Context* context, bool pre) :
ContextNotifyObj(context, pre),
nCalls(0) {
}
void notify() {
++nCalls;
}
} a(d_context, true), b(d_context, false);
{
MyContextNotifyObj c(d_context, true), d(d_context, false);
TS_ASSERT_EQUALS(a.nCalls, 0);
TS_ASSERT_EQUALS(b.nCalls, 0);
TS_ASSERT_EQUALS(c.nCalls, 0);
TS_ASSERT_EQUALS(d.nCalls, 0);
d_context->push();
d_context->push();
TS_ASSERT_EQUALS(a.nCalls, 0);
TS_ASSERT_EQUALS(b.nCalls, 0);
TS_ASSERT_EQUALS(c.nCalls, 0);
TS_ASSERT_EQUALS(d.nCalls, 0);
d_context->pop();
TS_ASSERT_EQUALS(a.nCalls, 1);
TS_ASSERT_EQUALS(b.nCalls, 1);
TS_ASSERT_EQUALS(c.nCalls, 1);
TS_ASSERT_EQUALS(d.nCalls, 1);
d_context->pop();
TS_ASSERT_EQUALS(a.nCalls, 2);
TS_ASSERT_EQUALS(b.nCalls, 2);
TS_ASSERT_EQUALS(c.nCalls, 2);
TS_ASSERT_EQUALS(d.nCalls, 2);
}
// we do this to get full code coverage of destruction paths
delete d_context;
d_context = NULL;
}
};
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