| /* |
| * 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.api; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import javax.jdo.JDOUserException; |
| import javax.jdo.PersistenceManager; |
| import javax.jdo.Query; |
| import javax.jdo.Transaction; |
| import org.apache.jdo.tck.pc.mylib.PCPoint; |
| import org.apache.jdo.tck.query.QueryTest; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| * <B>Title:</B> AutoCloseable <br> |
| * <B>Keywords:</B> query close <br> |
| * <B>Assertion IDs:</B> A14.6.7-3. <br> |
| * <B>Assertion Description: </B> In a non-managed environment, if the query is created with |
| * try-with-resources all results of execute(...) methods on this query instance are automatically |
| * closed at the end of that block and all resources associated with it are released. |
| */ |
| public class AutoCloseable extends QueryTest { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = "Assertion A14.6.7-3 (AutoCloseable) 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(AutoCloseable.class); |
| } |
| |
| /** |
| * This methods creates a query instance with try-with-resources and checks that an iterator for |
| * the query result is not accessible after the block. |
| */ |
| public void testTryWithResource() { |
| |
| PersistenceManager pm = getPM(); |
| Transaction tx = pm.currentTransaction(); |
| |
| try { |
| tx.begin(); |
| |
| Query<PCPoint> query = null; |
| List<PCPoint> queryResult = null; |
| Iterator<PCPoint> iterator = null; |
| try (Query<PCPoint> query1 = pm.newQuery(PCPoint.class)) { |
| query = query1; |
| queryResult = query1.executeList(); |
| iterator = queryResult.iterator(); |
| if (!iterator.hasNext()) { |
| fail(ASSERTION_FAILED, "(1) Iterator of open query result should have elements."); |
| } |
| } catch (Exception ex) { |
| fail(ASSERTION_FAILED, "(2) Unexpected exception " + ex); |
| } |
| |
| // check iterator retrieved in try-with-resource block |
| if (iterator.hasNext()) { |
| fail( |
| ASSERTION_FAILED, |
| "(3) Iterator of closed query result should return false on hasNext()."); |
| } |
| try { |
| PCPoint next = iterator.next(); |
| fail( |
| ASSERTION_FAILED, |
| "(4) Iterator of closed query result should throw NoSuchElementException on next()."); |
| } catch (NoSuchElementException ex) { |
| // expected exception |
| } |
| |
| // create new Iterator and check its behaviour |
| Iterator<PCPoint> iterator2 = queryResult.iterator(); |
| if (iterator2.hasNext()) { |
| fail( |
| ASSERTION_FAILED, |
| "(5) Iterator of closed query result should return false on hasNext()."); |
| } |
| try { |
| PCPoint next = iterator2.next(); |
| fail( |
| ASSERTION_FAILED, |
| "(6) Iterator of closed query result should throw NoSuchElementException on next()."); |
| } catch (NoSuchElementException ex) { |
| // expected exception |
| } |
| |
| // check query result itself |
| try { |
| int size = queryResult.size(); |
| fail(ASSERTION_FAILED, "(7) closed query result should not be accessible."); |
| } catch (JDOUserException ex) { |
| // expected exception when accessing closed query result |
| } |
| try { |
| PCPoint elem = queryResult.get(0); |
| fail(ASSERTION_FAILED, "(8) closed query result should not be accessible."); |
| } catch (JDOUserException ex) { |
| // expected exception when accessing closed query result |
| } |
| try { |
| boolean empty = queryResult.isEmpty(); |
| fail(ASSERTION_FAILED, "(9) closed query result should not be accessible."); |
| } catch (JDOUserException ex) { |
| // expected exception when accessing closed query result |
| } |
| // Check query instance is still usable |
| queryResult = query.executeList(); |
| if (queryResult.isEmpty()) { |
| fail( |
| ASSERTION_FAILED, |
| "(10) query instance should be usable and execution should return a non empty result."); |
| } |
| |
| tx.commit(); |
| } finally { |
| if (tx != null && tx.isActive()) { |
| tx.rollback(); |
| } |
| } |
| } |
| |
| /** |
| * This methods creates a query instance with try-with-resources and checks that an iterator for |
| * the query result is not accessible after the block, if the block is ended with an exception. |
| */ |
| public void testTryWithResourceThrowingException() { |
| |
| PersistenceManager pm = getPM(); |
| Transaction tx = pm.currentTransaction(); |
| |
| try { |
| tx.begin(); |
| |
| Query<PCPoint> query = null; |
| List<PCPoint> queryResult = null; |
| Iterator<PCPoint> iterator = null; |
| try (Query<PCPoint> query1 = pm.newQuery(PCPoint.class)) { |
| query = query1; |
| queryResult = query1.executeList(); |
| iterator = queryResult.iterator(); |
| if (!iterator.hasNext()) { |
| fail(ASSERTION_FAILED, "(1) Iterator of open query result should have elements."); |
| } |
| throw new DummyException(); |
| } catch (DummyException ex) { |
| // expected exception |
| } catch (Exception ex) { |
| fail(ASSERTION_FAILED, "(2) Unexpected exception " + ex); |
| } |
| |
| // check iterator retrieved in try-with-resource block |
| if (iterator.hasNext()) { |
| fail( |
| ASSERTION_FAILED, |
| "(3) Iterator of closed query result should return false on hasNext()."); |
| } |
| try { |
| PCPoint next = iterator.next(); |
| fail( |
| ASSERTION_FAILED, |
| "(4) Iterator of closed query result should throw NoSuchElementException on next()."); |
| } catch (NoSuchElementException ex) { |
| // expected exception |
| } |
| |
| // create new Iterator and check its behaviour |
| Iterator<PCPoint> iterator2 = queryResult.iterator(); |
| if (iterator2.hasNext()) { |
| fail( |
| ASSERTION_FAILED, |
| "(5) Iterator of closed query result should return false on hasNext()."); |
| } |
| try { |
| PCPoint next = iterator2.next(); |
| fail( |
| ASSERTION_FAILED, |
| "(6) Iterator of closed query result should throw NoSuchElementException on next()."); |
| } catch (NoSuchElementException ex) { |
| // expected exception |
| } |
| |
| // check query result itself |
| try { |
| int size = queryResult.size(); |
| fail(ASSERTION_FAILED, "(7) closed query result should not be accessible."); |
| } catch (JDOUserException ex) { |
| // expected exception when accessing closed query result |
| } |
| try { |
| PCPoint elem = queryResult.get(0); |
| fail(ASSERTION_FAILED, "(8) closed query result should not be accessible."); |
| } catch (JDOUserException ex) { |
| // expected exception when accessing closed query result |
| } |
| try { |
| boolean empty = queryResult.isEmpty(); |
| fail(ASSERTION_FAILED, "(9) closed query result should not be accessible."); |
| } catch (JDOUserException ex) { |
| // expected exception when accessing closed query result |
| } |
| |
| // Check query instance is still usable |
| queryResult = query.executeList(); |
| if (queryResult.isEmpty()) { |
| fail( |
| ASSERTION_FAILED, |
| "(10) query instance should be usable and execution should return a non empty result."); |
| } |
| |
| tx.commit(); |
| } finally { |
| if (tx != null && tx.isActive()) { |
| tx.rollback(); |
| } |
| } |
| } |
| |
| /** |
| * @see org.apache.jdo.tck.JDO_Test#localSetUp() |
| */ |
| @Override |
| protected void localSetUp() { |
| addTearDownClass(PCPoint.class); |
| loadAndPersistPCPoints(getPM()); |
| } |
| |
| /** DummyException used in method testTryWithResourceThrowingException. */ |
| private static final class DummyException extends Exception { |
| private static final long serialVersionUID = 1L; |
| } |
| } |