/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jdo.tck.query.jdoql.subqueries;

import javax.jdo.JDOException;
import javax.jdo.PersistenceManager;
import javax.jdo.Query;
import org.apache.jdo.tck.pc.company.Employee;
import org.apache.jdo.tck.util.BatchTestRunner;

/**
 * <B>Title:</B> Null Variable Declaration in addSubquery <br>
 * <B>Keywords:</B> query <br>
 * <B>Assertion ID:</B> A14.6.2-53. <br>
 * <B>Assertion Description: </B> If the trimmed value is the empty String, or the parameter is
 * null, then JDOUserException is thrown.
 */
public class NullVariableDeclaration extends SubqueriesTest {

  /** */
  private static final String ASSERTION_FAILED =
      "Assertion A14.6.2-53 (NullVariableDeclaration) failed: ";

  /**
   * The <code>main</code> is called when the class is directly executed from the command line.
   *
   * @param args The arguments passed to the program.
   */
  public static void main(String[] args) {
    BatchTestRunner.run(NullVariableDeclaration.class);
  }

  /** */
  public void testNegative() {
    PersistenceManager pm = getPM();
    runTestNullVariable(pm);
    runTestEmptyVariable(pm);
  }

  /** */
  void runTestNullVariable(PersistenceManager pm) {
    Query<Employee> apiQuery = pm.newQuery(Employee.class);
    try {
      apiQuery.addSubquery(null, null, null);
      apiQuery.compile();
      fail(
          ASSERTION_FAILED,
          "addSubquery called with a null varible declaration must throw a JDOUserException.");
    } catch (JDOException ex) {
      // expected JDOException
    }
  }

  /** */
  void runTestEmptyVariable(PersistenceManager pm) {
    Query<Employee> apiQuery = pm.newQuery(Employee.class);
    try {
      apiQuery.addSubquery(null, " ", null);
      apiQuery.compile();
      fail(
          ASSERTION_FAILED,
          "addSubquery called with an empty varible declaration must throw a JDOUserException.");
    } catch (JDOException ex) {
      // expected JDOException
    }
  }
}