| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.directmap; |
| |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| import org.eclipse.persistence.queries.ReadObjectQuery; |
| import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; |
| import org.eclipse.persistence.testing.framework.TestErrorException; |
| import org.eclipse.persistence.testing.models.directmap.DirectMapMappings; |
| |
| /** |
| * Tests that null objects within a HashMap do not throw a null pointer |
| * exception. |
| * BUG# 4364944 |
| * |
| * @author Guy Pelletier |
| * @version 1.0 |
| * @date July 26, 2005 |
| */ |
| public class DirectMapMappingHashMapTest extends AutoVerifyTestCase { |
| private NullPointerException m_exception; |
| private DirectMapMappings queryResult; |
| |
| public DirectMapMappingHashMapTest() { |
| setDescription("Tests that nulls are properly supported for DirectMapMappings that use a HashMap."); |
| } |
| |
| @Override |
| public void reset() { |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| rollbackTransaction(); |
| } |
| |
| @Override |
| public void setup() throws Exception { |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| beginTransaction(); |
| } |
| |
| @Override |
| public void test() throws Exception { |
| // Create a hashmap with a null in it. |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| DirectMapMappings maps = (DirectMapMappings)uow.registerObject(new DirectMapMappings()); |
| maps.directHashMap.put(Integer.valueOf(1), "item1"); |
| maps.directHashMap.put(Integer.valueOf(2), "item2"); |
| maps.directHashMap.put(Integer.valueOf(3), null); |
| |
| try { |
| uow.commit(); |
| } catch (NullPointerException e) { |
| m_exception = e; |
| } |
| |
| // Clear the cache |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| |
| // Execute query to read back the directmapmapping from the database. |
| queryResult = (DirectMapMappings)getSession().executeQuery(new ReadObjectQuery(DirectMapMappings.class)); |
| } |
| |
| @Override |
| public void verify() throws Exception { |
| if (m_exception != null) { |
| throw new TestErrorException("Null pointer exception was caught."); |
| } |
| |
| if (queryResult.directHashMap.size() != 3) { |
| throw new TestErrorException("Incorrect amount of items in the hashmap."); |
| } |
| |
| if (queryResult.directHashMap.get(Integer.valueOf(3)) != null) { |
| throw new TestErrorException("The null value was not read back in correctly."); |
| } |
| } |
| } |