opencog-atomspace / tests / atomspace / ReAddUTest.cxxtest

/*
 * tests/atomspace/ReAddUTest.cxxtest
 *
 * Copyright (C) 2022 Linas Vepstas
 * 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/atoms/base/Atom.h>
#include <opencog/atoms/base/Link.h>
#include <opencog/atomspace/AtomSpace.h>

using namespace opencog;

// Verify removing and readding works in different layers.
//
class RemoveUTest :  public CxxTest::TestSuite
{
private:
	AtomSpacePtr asp1;
	AtomSpacePtr asp2;
	AtomSpacePtr asp3;

public:
	RemoveUTest()
	{
		logger().set_print_to_stdout_flag(true);
	}

	void setUp()
	{
		asp1 = createAtomSpace();
		asp2 = createAtomSpace(asp1);
		asp3 = createAtomSpace(asp2);
	}

	void tearDown() {}

	void testSimple();
};

// Simple test of removal in multiple atomspaces.
void RemoveUTest::testSimple()
{
	logger().info("BEGIN TEST: %s", __FUNCTION__);

	// Create atoms in different atomspaces
	Handle hna = asp1->add_node(CONCEPT_NODE, "foo");
	bool rc = asp2->extract_atom(hna);
	Handle hnb = asp2->get_atom(hna);
	Handle hnc = asp3->add_atom(hna);

	TS_ASSERT(rc);
	TS_ASSERT(nullptr == hnb);

	TS_ASSERT(asp1->get_size() == 1);
	TS_ASSERT(asp2->get_size() == 1); // includes hidden atoms
	TS_ASSERT(asp3->get_size() == 1);

	HandleSeq hs1;
	asp1->get_handles_by_type(hs1, ATOM, true);
	TS_ASSERT(hs1.size() == 1);

	HandleSeq hs2;
	asp2->get_handles_by_type(hs2, ATOM, true);
	TS_ASSERT(hs2.size() == 0);

	HandleSeq hs3;
	asp3->get_handles_by_type(hs3, ATOM, true);
	TS_ASSERT(hs3.size() == 1);

	TS_ASSERT(hnc != hna);
	// TS_ASSERT(not hna->isAbsent());
	// TS_ASSERT(not hnc->isAbsent());

	TS_ASSERT(asp1.get() == hna->getAtomSpace());
	TS_ASSERT(asp3.get() == hnc->getAtomSpace());

	logger().info("END TEST: %s", __FUNCTION__);
}