| /* |
| * 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.drill.exec.memory; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| |
| import org.apache.drill.test.BaseTest; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import io.netty.buffer.DrillBuf; |
| import io.netty.util.IllegalReferenceCountException; |
| |
| import static org.junit.Assert.fail; |
| |
| public class BoundsCheckingTest extends BaseTest { |
| private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(BoundsCheckingTest.class); |
| |
| private static boolean old; |
| |
| private RootAllocator allocator; |
| |
| private static boolean setBoundsChecking(boolean enabled) throws Exception |
| { |
| Field field = BoundsChecking.class.getDeclaredField("BOUNDS_CHECKING_ENABLED"); |
| Field modifiersField = Field.class.getDeclaredField("modifiers"); |
| modifiersField.setAccessible(true); |
| modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL); |
| boolean old = field.getBoolean(null); |
| field.setAccessible(true); |
| field.set(null, enabled); |
| return old; |
| } |
| |
| @BeforeClass |
| public static void setBoundsCheckingEnabled() throws Exception |
| { |
| old = setBoundsChecking(true); |
| } |
| |
| @AfterClass |
| public static void restoreBoundsChecking() throws Exception |
| { |
| setBoundsChecking(old); |
| } |
| |
| @Before |
| public void setupAllocator() |
| { |
| allocator = new RootAllocator(Integer.MAX_VALUE); |
| } |
| |
| @After |
| public void closeAllocator() |
| { |
| allocator.close(); |
| } |
| |
| @Test |
| public void testLengthCheck() |
| { |
| try { |
| BoundsChecking.lengthCheck(null, 0, 0); |
| fail("expecting NullPointerException"); |
| } catch (NullPointerException e) { |
| logger.debug("", e); |
| } |
| |
| try (DrillBuf buffer = allocator.buffer(1)) { |
| try { |
| BoundsChecking.lengthCheck(buffer, 0, -1); |
| fail("expecting IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| logger.debug("", e); |
| } |
| BoundsChecking.lengthCheck(buffer, 0, 0); |
| BoundsChecking.lengthCheck(buffer, 0, 1); |
| try { |
| BoundsChecking.lengthCheck(buffer, 0, 2); |
| fail("expecting IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| logger.debug("", e); |
| } |
| try { |
| BoundsChecking.lengthCheck(buffer, 2, 0); |
| fail("expecting IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| logger.debug("", e); |
| } |
| try { |
| BoundsChecking.lengthCheck(buffer, -1, 0); |
| fail("expecting IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| logger.debug("", e); |
| } |
| } |
| |
| DrillBuf buffer = allocator.buffer(1); |
| buffer.release(); |
| try { |
| BoundsChecking.lengthCheck(buffer, 0, 0); |
| fail("expecting IllegalReferenceCountException"); |
| } catch (IllegalReferenceCountException e) { |
| logger.debug("", e); |
| } |
| } |
| } |