/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Aug 17, 2010
*/
package com.bigdata.bop.constraint;
import junit.framework.TestCase2;
import com.bigdata.bop.Constant;
import com.bigdata.bop.IBindingSet;
import com.bigdata.bop.IConstant;
import com.bigdata.bop.IVariable;
import com.bigdata.bop.Var;
import com.bigdata.bop.bindingSet.ListBindingSet;
/**
* Test suite for {@link EQ}.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class TestEQ extends TestCase2 {
/**
*
*/
public TestEQ() {
}
/**
* @param name
*/
public TestEQ(String name) {
super(name);
}
public void test_ctor() {
try {
new EQ((IVariable<?>)null/*x*/, (IVariable<?>)null/*y*/);
fail("Excepting: " + IllegalArgumentException.class);
} catch (IllegalArgumentException ex) {
if (log.isInfoEnabled())
log.info("Ignoring expected exception: " + ex);
}
try {
new EQ(Var.var("x"), null/*y*/);
fail("Excepting: " + IllegalArgumentException.class);
} catch (IllegalArgumentException ex) {
if (log.isInfoEnabled())
log.info("Ignoring expected exception: " + ex);
}
try {
new EQ(Var.var("x"), Var.var("x"));
fail("Excepting: " + IllegalArgumentException.class);
} catch (IllegalArgumentException ex) {
if (log.isInfoEnabled())
log.info("Ignoring expected exception: " + ex);
}
new EQ(Var.var("x"), Var.var("y"));
}
/**
* Correct acceptance.
*/
public void test_eval() {
final EQ op = new EQ(Var.var("x"), Var.var("y"));
final IBindingSet bs1 = new ListBindingSet(//
new IVariable[] { Var.var("x"), Var.var("y") }, //
new IConstant[] { new Constant<String>("1"),
new Constant<String>("1") });
assertTrue(op.get(bs1));
}
/**
* Correct rejection for when the variables have different bindings.
*/
public void test_eval_correct_rejection() {
final EQ op = new EQ(Var.var("x"), Var.var("y"));
final IBindingSet bs1 = new ListBindingSet(//
new IVariable[] { Var.var("x"), Var.var("y") }, //
new IConstant[] { new Constant<String>("1"),
new Constant<String>("2") });
assertFalse(op.get(bs1));
}
public void test_eval_correct_unbound() {
final EQ op = new EQ(Var.var("x"), Var.var("y"));
final IBindingSet bs1 = new ListBindingSet(//
new IVariable[] { Var.var("x") }, //
new IConstant[] { new Constant<String>("1") });
assertTrue(op.get(bs1));
}
}