/*******************************************************************************
 * Copyright (c) 1998, 2011 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
 ******************************************************************************/  
package org.eclipse.persistence.testing.tests.queries.inmemory;

import java.util.*;

import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.testing.models.employee.domain.*;
import org.eclipse.persistence.testing.framework.*;

/**
 * Bug 3936427
 * Ensure conforming queries with "like" can handle characters that are reserved in the
 * java regular expression library
 */
public class UnitOfWorkConformLikeSpecialCharacterTest extends TestCase {
    private Vector employees = null;
    private UnitOfWork uow = null;

    public UnitOfWorkConformLikeSpecialCharacterTest() {
        super();
        employees = new Vector();
    }

    public void reset() {
        //clear the cache.
        uow.release();
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
    }

    public void setup() {
        // read all the employees into the cache.
        uow = getSession().acquireUnitOfWork();
    }

    public void test() {
        // get an employee and change that employee to fit our expression
        ExpressionBuilder emp = new ExpressionBuilder();
        Expression betty = emp.get("firstName").equal("Betty");
        Employee employee = (Employee)uow.readObject(Employee.class, betty);
        employee.setFirstName("Molly([{}])?*.+^|");

        ReadAllQuery query = new ReadAllQuery();
        query.setReferenceClass(Employee.class);
        query.conformResultsInUnitOfWork();

        // Query with a like
        ExpressionBuilder bldr = new ExpressionBuilder();
        Expression exp = bldr.get("firstName").like("Molly([{}])?*.+^|");
        query.setSelectionCriteria(exp);
        employees = (Vector)uow.executeQuery(query);
    }

    public void verify() {
        if (employees.size() != 1) {
            throw new TestErrorException("Expected 1 employee but retured " + employees.size() + " for in-memory 'like' query with special characters.");
        }
    }
}
