opencog-atomspace / tests / atoms / signature / TypeUtilsUTest.cxxtest

/*
 * tests/atoms/core/TypeUtilsUTest.cxxtest
 *
 * Copyright (C) 2019 SingularityNET Foundation
 * All Rights Reserved
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License v3 as
 * published by the Free Software Foundation and including the exceptions
 * at http://opencog.org/wiki/Licenses
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, write to:
 * Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <opencog/util/Logger.h>
#include <opencog/atoms/signature/TypeUtils.h>
#include <opencog/atoms/scope/FilterVardecl.h>
#include <opencog/atomspace/AtomSpace.h>
#include <cxxtest/TestSuite.h>

using namespace opencog;

#define al as.add_link
#define an as.add_node

class FindUtilsUTest :  public CxxTest::TestSuite
{
private:
	AtomSpace as;
	Handle X, Y, P, G1, G2;

public:
	FindUtilsUTest()
	{
		logger().set_level(Logger::INFO);
		logger().set_print_to_stdout_flag(true);
	}

	void setUp();

	void test_filter_vardecl_1();
	void test_filter_vardecl_2();
	void test_filter_vardecl_3();
};

void FindUtilsUTest::setUp(void)
{
	X = an(VARIABLE_NODE, "$X");
	Y = an(VARIABLE_NODE, "$Y");
	P = an(PREDICATE_NODE, "P");
	G1 = an(GLOB_NODE, "$G1");
	G2 = an(GLOB_NODE, "$G2");
}

void FindUtilsUTest::test_filter_vardecl_1()
{
	logger().info("BEGIN TEST: %s", __FUNCTION__);

	Handle vardecl = al(VARIABLE_LIST, X, Y);
	Handle body = al(IMPLICATION_LINK, X, P);

	Handle result = filter_vardecl(vardecl, body);
	Handle except = X;

	TS_ASSERT_EQUALS(result, except);
}

void FindUtilsUTest::test_filter_vardecl_2()
{
	logger().info("BEGIN TEST: %s", __FUNCTION__);

	Handle vardecl = al(VARIABLE_SET, X, Y);
	Handle body = al(IMPLICATION_LINK, X, P);

	Handle result = filter_vardecl(vardecl, body);
	Handle except = X;

	TS_ASSERT_EQUALS(result, except);
}

void FindUtilsUTest::test_filter_vardecl_3()
{
	logger().info("BEGIN TEST: %s", __FUNCTION__);

	Handle vardecl = al(VARIABLE_SET, G1, G2);
	Handle body = al(IMPLICATION_LINK, G1, P);

	Handle result = filter_vardecl(vardecl, body);
	Handle except = G1;

	TS_ASSERT_EQUALS(result, except);
}

#undef al
#undef an