/*
 * 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
<<<<<<< Updated upstream
 *
 *     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
=======
 * 
 *     https://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 
>>>>>>> Stashed changes
 * limitations under the License.
 */

package org.apache.jdo.tck.query.result;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.jdo.JDOQLTypedQuery;
import javax.jdo.query.Expression;
import org.apache.jdo.tck.pc.company.CompanyModelReader;
import org.apache.jdo.tck.pc.company.Department;
import org.apache.jdo.tck.pc.company.Employee;
import org.apache.jdo.tck.pc.company.FullTimeEmployee;
import org.apache.jdo.tck.pc.company.Person;
import org.apache.jdo.tck.pc.company.Project;
import org.apache.jdo.tck.pc.company.QEmployee;
import org.apache.jdo.tck.pc.company.QPerson;
import org.apache.jdo.tck.pc.company.QProject;
import org.apache.jdo.tck.query.QueryElementHolder;
import org.apache.jdo.tck.query.QueryTest;
import org.apache.jdo.tck.util.BatchTestRunner;

/**
 * <B>Title:</B> Result Expressions. <br>
 * <B>Keywords:</B> query <br>
 * <B>Assertion ID:</B> A14.6.9-5. <br>
 * <B>Assertion Description: </B> The result expressions include: ... The result expression can be
 * explicitly cast using the (cast) operator.
 */
public class ResultExpressions extends QueryTest {

  /** */
  private static final String ASSERTION_FAILED = "Assertion A14.6.9-5 (ResultExpressions) failed: ";

  /**
   * The array of invalid queries which may be executed as single string queries and as API queries.
   */
  private static final QueryElementHolder<?>[] INVALID_QUERIES = {
    // unknown field x
    new QueryElementHolder<>(
        /*UNIQUE*/ null,
        /*RESULT*/ "x",
        /*INTO*/ null,
        /*FROM*/ Employee.class,
        /*EXCLUDE*/ null,
        /*WHERE*/ null,
        /*VARIABLES*/ null,
        /*PARAMETERS*/ null,
        /*IMPORTS*/ null,
        /*GROUP BY*/ null,
        /*ORDER BY*/ null,
        /*FROM*/ null,
        /*TO*/ null),
    // field salary is declared in a subclass of the candidate class
    new QueryElementHolder<>(
        /*UNIQUE*/ null,
        /*RESULT*/ "salary",
        /*INTO*/ null,
        /*FROM*/ Employee.class,
        /*EXCLUDE*/ null,
        /*WHERE*/ null,
        /*VARIABLES*/ null,
        /*PARAMETERS*/ null,
        /*IMPORTS*/ null,
        /*GROUP BY*/ null,
        /*ORDER BY*/ null,
        /*FROM*/ null,
        /*TO*/ null),
    // project collection field
    new QueryElementHolder<>(
        /*UNIQUE*/ null,
        /*RESULT*/ "employees",
        /*INTO*/ null,
        /*FROM*/ Department.class,
        /*EXCLUDE*/ null,
        /*WHERE*/ null,
        /*VARIABLES*/ null,
        /*PARAMETERS*/ null,
        /*IMPORTS*/ null,
        /*GROUP BY*/ null,
        /*ORDER BY*/ null,
        /*FROM*/ null,
        /*TO*/ null),
    // project map field
    new QueryElementHolder<>(
        /*UNIQUE*/ null,
        /*RESULT*/ "phoneNumbers",
        /*INTO*/ null,
        /*FROM*/ Employee.class,
        /*EXCLUDE*/ null,
        /*WHERE*/ null,
        /*VARIABLES*/ null,
        /*PARAMETERS*/ null,
        /*IMPORTS*/ null,
        /*GROUP BY*/ null,
        /*ORDER BY*/ null,
        /*FROM*/ null,
        /*TO*/ null)
  };

  /**
   * 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(ResultExpressions.class);
  }

  /** */
  public void testThis() {
    List<Employee> expectedResult =
        getTransientCompanyModelInstancesAsList(
            Employee.class, "emp1", "emp2", "emp3", "emp4", "emp5");

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand);

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "this",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, expectedResult);
  }

  /** */
  public void testField() {
    Object expectedResult =
        Arrays.asList(
            Long.valueOf(1), Long.valueOf(2), Long.valueOf(3), Long.valueOf(4), Long.valueOf(5));

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.personid);

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "personid",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  @SuppressWarnings("unchecked")
  public void testVariableField() {
    Object expectedResult = Arrays.asList(Long.valueOf(1));

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    QProject p = QProject.variable("p");
    query.result(false, p.projid);
    query.filter(cand.projects.contains(p).and(cand.personid.eq(1l)));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "p.projid",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "projects.contains(p) && personid == 1",
            /*VARIABLES*/ "Project p",
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  @SuppressWarnings("unchecked")
  public void testVariable() {
    List<Project> expectedResult = getTransientCompanyModelInstancesAsList(Project.class, "proj1");

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    QProject variable = QProject.variable("p");
    query.result(false, variable);
    query.filter(cand.projects.contains(variable).and(cand.personid.eq(1l)));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "p",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "projects.contains(p) && personid == 1",
            /*VARIABLES*/ "Project p",
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testCountThis() {
    // COUNT(this)
    Object expectedResult = Long.valueOf(5);

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.count());

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ Boolean.TRUE,
            /*RESULT*/ "COUNT(this)",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  @SuppressWarnings("unchecked")
  public void testCountVariable() {
    // COUNT(variable)
    Object expectedResult = Long.valueOf(1);

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    QProject p = QProject.variable("p");
    query.result(false, p.count());
    query.filter(cand.projects.contains(p).and(cand.personid.eq(1l)));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ Boolean.TRUE,
            /*RESULT*/ "COUNT(p)",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "projects.contains(p) && personid == 1",
            /*VARIABLES*/ "Project p",
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testSum() {
    // SUM
    Object expectedResult = Long.valueOf(1L + 2 + 3 + 4 + 5);

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.personid.sum());

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ Boolean.TRUE,
            /*RESULT*/ "SUM(personid)",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testMin() {
    // MIN
    Object expectedResult = Long.valueOf(1);

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.personid.min());

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ Boolean.TRUE,
            /*RESULT*/ "MIN(personid)",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testMax() {
    // MAX
    Object expectedResult = Long.valueOf(5);

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.personid.max());

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ Boolean.TRUE,
            /*RESULT*/ "MAX(personid)",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testAvg() {
    // AVG
    Object expectedResult = Double.valueOf(3);

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.personid.avg());

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ Boolean.TRUE,
            /*RESULT*/ "AVG(personid)",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testFieldExpression() {
    // field expression
    Object expectedResult =
        Arrays.asList(
            Long.valueOf(2), Long.valueOf(3), Long.valueOf(4), Long.valueOf(5), Long.valueOf(6));

    JDOQLTypedQuery<Person> query = getPM().newJDOQLTypedQuery(Person.class);
    QPerson cand = QPerson.candidate();
    query.result(false, cand.personid.add(1));

    QueryElementHolder<Person> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "personid + 1",
            /*INTO*/ null,
            /*FROM*/ Person.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testNavigationalExpressionThis() {
    // navigational expression this
    Object expectedResult =
        Arrays.asList(
            Long.valueOf(1), Long.valueOf(2), Long.valueOf(3), Long.valueOf(4), Long.valueOf(5));

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.personid);

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "this.personid",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ null,
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  @SuppressWarnings("unchecked")
  public void testNavigationalExpressionVariable() {
    // navigational expression variable
    Object expectedResult = Arrays.asList("Development", "Human Resources");

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    QEmployee e = QEmployee.variable("e");
    Expression<Employee> eExpr = query.variable("e", Employee.class);
    query.result(true, e.department.name);
    query.filter(cand.team.contains(eExpr).and(cand.personid.eq(2l)));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "distinct e.department.name",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "team.contains(e) && personid == 2",
            /*VARIABLES*/ "Employee e",
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testNavigationalExpressionParameter() {
    // navigational expression parameter
    Object expectedResult = Arrays.asList(Long.valueOf(1));

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    QProject p = QProject.parameter("p");
    query.parameter("p", Project.class);
    query.result(false, p.projid);
    query.filter(cand.personid.eq(1l).and(p.projid.eq(cand.personid)));

    Map<String, Object> paramValues = new HashMap<>();
    paramValues.put("p", getPersistentCompanyModelInstance(Project.class, "proj1"));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "p.projid",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "personid == 1 && p.projid == this.personid",
            /*VARIABLES*/ null,
            /*PARAMETERS*/ "Project p",
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ paramValues);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testNavigationalExpressionField() {
    // navigational expression field
    Object expectedResult = Arrays.asList(Long.valueOf(1));

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.department.deptid);
    query.filter(cand.personid.eq(1l));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "department.deptid",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "personid == 1",
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testParameter() {
    // parameter
    List<Project> expectedResult = getTransientCompanyModelInstancesAsList(Project.class, "proj1");

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    QProject p = QProject.parameter("p");
    query.parameter("p", Project.class);
    query.result(false, p);
    query.filter(cand.personid.eq(1l).and(cand.personid.eq(p.projid)));

    Map<String, Object> paramValues = new HashMap<>();
    paramValues.put("p", getPersistentCompanyModelInstance(Project.class, "proj1"));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "p",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "personid == 1 && personid == p.projid",
            /*VARIABLES*/ null,
            /*PARAMETERS*/ "Project p",
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ paramValues);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testCast() {
    // cast
    List<Employee> expectedResult = getTransientCompanyModelInstancesAsList(Employee.class, "emp2");

    JDOQLTypedQuery<Employee> query = getPM().newJDOQLTypedQuery(Employee.class);
    QEmployee cand = QEmployee.candidate();
    query.result(false, cand.manager.cast(FullTimeEmployee.class));
    query.filter(cand.personid.eq(1l));

    QueryElementHolder<Employee> holder =
        new QueryElementHolder<>(
            /*UNIQUE*/ null,
            /*RESULT*/ "(FullTimeEmployee)manager",
            /*INTO*/ null,
            /*FROM*/ Employee.class,
            /*EXCLUDE*/ null,
            /*WHERE*/ "personid == 1",
            /*VARIABLES*/ null,
            /*PARAMETERS*/ null,
            /*IMPORTS*/ null,
            /*GROUP BY*/ null,
            /*ORDER BY*/ null,
            /*FROM*/ null,
            /*TO*/ null,
            /*JDOQLTyped*/ query,
            /*paramValues*/ null);

    executeAPIQuery(ASSERTION_FAILED, holder, expectedResult);
    executeSingleStringQuery(ASSERTION_FAILED, holder, expectedResult);
    executeJDOQLTypedQuery(ASSERTION_FAILED, holder, null, true, expectedResult);
  }

  /** */
  public void testNegative() {
    for (QueryElementHolder<?> invalidQuery : INVALID_QUERIES) {
      compileAPIQuery(ASSERTION_FAILED, invalidQuery, false);
      compileSingleStringQuery(ASSERTION_FAILED, invalidQuery, false);
    }
  }

  /**
   * @see org.apache.jdo.tck.JDO_Test#localSetUp()
   */
  @Override
  protected void localSetUp() {
    addTearDownClass(CompanyModelReader.getTearDownClasses());
    loadAndPersistCompanyModel(getPM());
  }
}