/*
 * Copyright (C) 2003-2011 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Affero 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, see <http://www.gnu.org/licenses/>.
 */

package org.exoplatform.social.core.storage.query;

import junit.framework.TestCase;

/**
 * @author <a href="mailto:alain.defrance@exoplatform.com">Alain Defrance</a>
 * @version $Revision$
 */
public class ExpressionConstructorTestCase extends TestCase {

  public void testLiteralExpression() throws Exception {

    new PropertyLiteralExpression(String.class, "");

    try {
      new PropertyLiteralExpression(String.class, null);
    }
    catch (NullPointerException e) {
      // ok;
    }

    try {
      new PropertyLiteralExpression(null, "");
    }
    catch (NullPointerException e) {
      // ok;
    }
    
    try {
      new PropertyLiteralExpression(null, null);
    }
    catch (NullPointerException e) {
      // ok;
    }

  }

  public void testCallExpression() throws Exception {

    PropertyLiteralExpression property = new PropertyLiteralExpression(String.class, "");
    new CallExpression(QueryFunction.LOWER, property);

    try {
      new CallExpression(QueryFunction.LOWER, null);
    }
    catch (NullPointerException e) {
      // ok;
    }

    try {
      new CallExpression(null, property);
    }
    catch (NullPointerException e) {
      // ok;
    }

    try {
      new CallExpression(null, null);
    }
    catch (NullPointerException e) {
      // ok;
    }

  }

}
