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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz, Andres Noetzli
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
*
* White box testing of cvc5::Node.
*/
#include <string>
#include "base/check.h"
#include "expr/node_builder.h"
#include "test_node.h"
namespace cvc5 {
using namespace kind;
using namespace expr;
namespace test {
class TestNodeWhiteNode : public TestNode
{
};
TEST_F(TestNodeWhiteNode, null) { ASSERT_EQ(Node::null(), Node::s_null); }
TEST_F(TestNodeWhiteNode, copy_ctor) { Node e(Node::s_null); }
TEST_F(TestNodeWhiteNode, builder)
{
NodeBuilder b;
ASSERT_TRUE(b.d_nv->getId() == 0);
ASSERT_TRUE(b.d_nv->getKind() == UNDEFINED_KIND);
ASSERT_EQ(b.d_nv->d_nchildren, 0u);
/* etc. */
}
TEST_F(TestNodeWhiteNode, iterators)
{
Node x = d_nodeManager->mkVar("x", d_nodeManager->integerType());
Node y = d_nodeManager->mkVar("y", d_nodeManager->integerType());
Node x_plus_y = d_nodeManager->mkNode(PLUS, x, y);
Node two = d_nodeManager->mkConst(Rational(2));
Node x_times_2 = d_nodeManager->mkNode(MULT, x, two);
Node n = d_nodeManager->mkNode(PLUS, x_times_2, x_plus_y, y);
Node::iterator i;
i = std::find(n.begin(), n.end(), x_plus_y);
ASSERT_TRUE(i != n.end());
ASSERT_TRUE(*i == x_plus_y);
i = std::find(n.begin(), n.end(), x);
ASSERT_TRUE(i == n.end());
i = std::find(x_times_2.begin(), x_times_2.end(), two);
ASSERT_TRUE(i != x_times_2.end());
ASSERT_TRUE(*i == two);
i = std::find(n.begin(), n.end(), y);
ASSERT_TRUE(i != n.end());
ASSERT_TRUE(*i == y);
std::vector<Node> v;
copy(n.begin(), n.end(), back_inserter(v));
ASSERT_EQ(n.getNumChildren(), v.size());
ASSERT_EQ(3, v.size());
ASSERT_EQ(v[0], x_times_2);
ASSERT_EQ(v[1], x_plus_y);
ASSERT_EQ(v[2], y);
}
} // namespace test
} // namespace cvc5
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