+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * ONAP : APPC
- * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Copyright (C) 2017 Amdocs
- * =============================================================================
- * Licensed 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.
- *
- * ============LICENSE_END=========================================================
- */
-
-
-
-package org.onap.appc.pool;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.onap.appc.pool.Allocator;
-import org.onap.appc.pool.CachedElement;
-import org.onap.appc.pool.Destructor;
-import org.onap.appc.pool.Pool;
-import org.onap.appc.pool.PoolDrainedException;
-import org.onap.appc.pool.PoolExtensionException;
-import org.onap.appc.pool.PoolSpecificationException;
-import org.onap.appc.pool.*;
-
-
-public class CachedElementTest implements Allocator<Testable>, Destructor<Testable> {
- private static final int MIN = 10;
- private static final int MAX = 100;
- private Pool<Testable> pool;
- private int index = 0;
- private int destroyCount = 0;
-
- /**
- * setup
- *
- * @throws PoolSpecificationException
- * If the minimum size is less than 0, or if the max size is non-zero and less than the min size.
- */
- @Before
- public void setup() throws PoolSpecificationException {
- pool = new Pool<>(MIN, MAX);
- }
-
- /**
- * Test state
- */
- @Test
- public void testAllocator() {
- assertNull(pool.getAllocator());
- pool.setAllocator(this);
- assertNotNull(pool.getAllocator());
- }
-
- /**
- * Test state
- */
- @Test
- public void testDestructor() {
- assertNull(pool.getDestructor());
- pool.setDestructor(this);
- assertNotNull(pool.getDestructor());
- }
-
- /**
- * Test that we can allocate and release elements and that the pool maintains them in MRU order
- *
- * @throws PoolExtensionException
- * If the pool cannot be extended
- * @throws PoolDrainedException
- * If the caller is trying to reserve an element from a drained pool
- */
- @Test
- public void testAllocateAndRelease() throws PoolExtensionException, PoolDrainedException {
- pool.setAllocator(this);
-
- assertFalse(pool.isDrained());
-
- /*
- * Allocate three elements
- */
- Testable value1 = pool.reserve();
- assertNotNull(value1);
- assertEquals(Integer.valueOf(MIN - 1), Integer.valueOf(value1.getId()));
- assertEquals(1, pool.getAllocatedSize());
- assertEquals(MIN - 1, pool.getFreeSize());
- assertEquals(1, pool.getAllocatedSize());
-
- Testable value2 = pool.reserve();
- assertNotNull(value2);
- assertEquals(Integer.valueOf(MIN - 2), Integer.valueOf(value2.getId()));
- assertEquals(2, pool.getAllocatedSize());
- assertEquals(MIN - 2, pool.getFreeSize());
- assertEquals(2, pool.getAllocatedSize());
-
- Testable value3 = pool.reserve();
- assertNotNull(value3);
- assertEquals(Integer.valueOf(MIN - 3), Integer.valueOf(value3.getId()));
- assertEquals(3, pool.getAllocatedSize());
- assertEquals(MIN - 3, pool.getFreeSize());
- assertEquals(3, pool.getAllocatedSize());
-
- /*
- * Now, release them in the order obtained
- */
- pool.release(value1);
- pool.release(value2);
- pool.release(value3);
-
- assertEquals(0, pool.getAllocatedSize());
- assertEquals(MIN, pool.getFreeSize());
-
- /*
- * Now, allocate them again, but their values should be reversed (3, 2, 1) representing the most recently used
- * to the least recently used.
- */
- value1 = pool.reserve();
- assertNotNull(value1);
- assertEquals(Integer.valueOf(MIN - 3), Integer.valueOf(value1.getId()));
-
- value2 = pool.reserve();
- assertNotNull(value2);
- assertEquals(Integer.valueOf(MIN - 2), Integer.valueOf(value2.getId()));
-
- value3 = pool.reserve();
- assertNotNull(value3);
- assertEquals(Integer.valueOf(MIN - 1), Integer.valueOf(value3.getId()));
- }
-
- /**
- * Test that we can trim the pool to a desired size
- *
- * @throws PoolDrainedException
- * If the caller is trying to release or reserve an element from a drained pool
- * @throws PoolExtensionException
- * If the pool cannot be extended
- * @throws IllegalAccessException
- * if this Method object is enforcing Java language access control and the underlying method is
- * inaccessible.
- * @throws IllegalArgumentException
- * if the method is an instance method and the specified object argument is not an instance of the class
- * or interface declaring the underlying method (or of a subclass or implementor thereof); if the number
- * of actual and formal parameters differ; if an unwrapping conversion for primitive arguments fails; or
- * if, after possible unwrapping, a parameter value cannot be converted to the corresponding formal
- * parameter type by a method invocation conversion.
- * @throws InvocationTargetException
- * if the underlying method throws an exception.
- * @throws SecurityException
- * If a security manager, s, is present and any of the following conditions is met:
- * <ul>
- * <li>invocation of s.checkMemberAccess(this, Member.DECLARED) denies access to the declared method</li>
- * <li>the caller's class loader is not the same as or an ancestor of the class loader for the current
- * class and invocation of s.checkPackageAccess() denies access to the package of this class</li>
- * </ul>
- * @throws NoSuchMethodException
- * if a matching method is not found.
- */
- @SuppressWarnings("nls")
- @Test
- public void testTrim() throws IllegalAccessException, IllegalArgumentException, InvocationTargetException,
- PoolDrainedException, PoolExtensionException, NoSuchMethodException, SecurityException {
-
- pool.setAllocator(this);
- int SIZE = 50;
- Testable[] array = new Testable[SIZE];
-
- assertEquals(0, pool.getAllocatedSize());
- for (int i = 0; i < SIZE; i++) {
- array[i] = pool.reserve();
- }
- assertEquals(SIZE, pool.getAllocatedSize());
-
- for (int i = 0; i < SIZE; i++) {
- pool.release(array[i]);
- }
- assertEquals(0, pool.getAllocatedSize());
-
- assertEquals(SIZE, pool.getFreeSize());
-
- Method trimMethod = Pool.class.getDeclaredMethod("trim", new Class[] {
- Integer.TYPE
- });
- trimMethod.setAccessible(true);
- trimMethod.invoke(pool, new Object[] {
- SIZE - MIN
- });
-
- assertEquals(MIN, pool.getFreeSize());
- }
-
- /**
- * Test that we can drain a pool containing a mix of free and allocated elements
- *
- * @throws PoolDrainedException
- * If the caller is trying to release or reserve an element from a drained pool
- * @throws PoolExtensionException
- * If the pool cannot be extended
- * @throws IOException
- * if an I/O error occurs
- */
- @Test
- public void testDrain() throws PoolExtensionException, PoolDrainedException, IOException {
- int SIZE = 50;
- int FREE = 20;
- int ALLOC = SIZE - FREE;
-
- Testable[] array = new Testable[SIZE];
- pool.setAllocator(this);
- pool.setDestructor(this);
-
- assertFalse(pool.isDrained());
-
- assertEquals(0, pool.getAllocatedSize());
- for (int i = 0; i < SIZE; i++) {
- array[i] = pool.reserve();
- }
- assertEquals(SIZE, pool.getAllocatedSize());
-
- for (int i = 0; i < FREE; i++) {
- array[i].close();
- }
- assertEquals(ALLOC, pool.getAllocatedSize());
- assertEquals(FREE, pool.getFreeSize());
-
- pool.drain();
- assertEquals(0, pool.getFreeSize());
- assertEquals(0, pool.getAllocatedSize());
- assertTrue(pool.isDrained());
-
- assertEquals(SIZE, destroyCount);
- }
-
- /**
- * @see org.onap.appc.pool.Allocator#allocate(org.onap.appc.pool.Pool)
- */
- @Override
- public Testable allocate(Pool<Testable> pool) {
- Testable element = new Element(index++);
- Testable ce = CachedElement.newInstance(pool, element, new Class[] {
- Testable.class
- });
- return ce;
- }
-
- /**
- * @see org.onap.appc.pool.Destructor#destroy(java.io.Closeable, org.onap.appc.pool.Pool)
- */
- @Override
- public void destroy(Testable obj, Pool<Testable> pool) {
- destroyCount++;
- }
-}
Code Review / appc.git / blobdiff