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/********************* */
/*! \file node_white.h
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Andres Noetzli, Dejan Jovanovic
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief White box testing of CVC4::Node.
**
** White box testing of CVC4::Node.
**/
#include <cxxtest/TestSuite.h>
#include <string>
#include "base/check.h"
#include "expr/node.h"
#include "expr/node_builder.h"
#include "expr/node_manager.h"
#include "expr/node_value.h"
using namespace CVC4;
using namespace CVC4::kind;
using namespace CVC4::expr;
using namespace std;
class NodeWhite : public CxxTest::TestSuite {
NodeManager* d_nm;
NodeManagerScope* d_scope;
public:
void setUp() override
{
d_nm = new NodeManager(NULL);
d_scope = new NodeManagerScope(d_nm);
}
void tearDown() override
{
delete d_scope;
delete d_nm;
}
void testNull() {
TS_ASSERT_EQUALS(Node::null(), Node::s_null);
}
void testCopyCtor() {
Node e(Node::s_null);
}
void testBuilder() {
NodeBuilder<> b;
TS_ASSERT(b.d_nv->getId() == 0);
TS_ASSERT(b.d_nv->getKind() == UNDEFINED_KIND);
TS_ASSERT_EQUALS(b.d_nv->d_nchildren, 0u);
/* etc. */
}
void testIterators() {
Node x = d_nm->mkVar("x", d_nm->integerType());
Node y = d_nm->mkVar("y", d_nm->integerType());
Node x_plus_y = d_nm->mkNode(PLUS, x, y);
Node two = d_nm->mkConst(Rational(2));
Node x_times_2 = d_nm->mkNode(MULT, x, two);
Node n = d_nm->mkNode(PLUS, x_times_2, x_plus_y, y);
Node::iterator i;
i = find(n.begin(), n.end(), x_plus_y);
TS_ASSERT(i != n.end());
TS_ASSERT(*i == x_plus_y);
i = find(n.begin(), n.end(), x);
TS_ASSERT(i == n.end());
i = find(x_times_2.begin(), x_times_2.end(), two);
TS_ASSERT(i != x_times_2.end());
TS_ASSERT(*i == two);
i = find(n.begin(), n.end(), y);
TS_ASSERT(i != n.end());
TS_ASSERT(*i == y);
vector<Node> v;
copy(n.begin(), n.end(), back_inserter(v));
TS_ASSERT(n.getNumChildren() == v.size());
TS_ASSERT(3 == v.size());
TS_ASSERT(v[0] == x_times_2);
TS_ASSERT(v[1] == x_plus_y);
TS_ASSERT(v[2] == y);
}
};
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