| /* |
| * 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.bcel.util; |
| |
| import java.io.IOException; |
| |
| import org.apache.bcel.classfile.JavaClass; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| /** |
| * Tests {@link ClassPathRepository}, {@link MemorySensitiveClassPathRepository}, and {@link |
| * LruCacheClassPathRepository} for their common attributes of caching. |
| * |
| * <p>Without memory scarcity, these classes behave in the same manner. |
| */ |
| public class ClassPathRepositoryTestCase { |
| |
| @Test |
| public void testClassPath() throws IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| final ClassPathRepository repository = new ClassPathRepository(classPath); |
| try (final ClassPath repoCp = repository.getClassPath()) { |
| assertEquals(classPath, repoCp); |
| } |
| } |
| } |
| |
| @Test |
| public void testClassPathRepository() throws ClassNotFoundException, IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| verifyCaching(new ClassPathRepository(classPath)); |
| } |
| } |
| |
| @Test |
| public void testClassWithoutPackage() throws IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| final ClassPathRepository repository = new ClassPathRepository(classPath); |
| assertThrows(ClassNotFoundException.class, () -> repository.loadClass("ClassXYZ")); |
| } |
| } |
| |
| @Test |
| public void testEmptyInput() throws IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| final ClassPathRepository repository = new ClassPathRepository(classPath); |
| assertThrows(IllegalArgumentException.class, () -> repository.loadClass("")); |
| } |
| } |
| |
| @Test |
| public void testLruCacheClassPathRepository() throws ClassNotFoundException, IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| verifyCaching(new LruCacheClassPathRepository(classPath, 10)); |
| } |
| } |
| |
| @Test |
| public void testMemorySensitiveClassPathRepository() throws ClassNotFoundException, IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| verifyCaching(new MemorySensitiveClassPathRepository(classPath)); |
| } |
| } |
| |
| @Test |
| public void testNoClassNotFound() throws IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| final ClassPathRepository repository = new ClassPathRepository(classPath); |
| assertThrows(ClassNotFoundException.class, () -> repository.loadClass("no.such.Class")); |
| } |
| } |
| |
| @Test |
| public void testNullInput() throws IOException { |
| try (final ClassPath classPath = new ClassPath("")) { |
| final ClassPathRepository repository = new ClassPathRepository(classPath); |
| assertThrows(IllegalArgumentException.class, () -> repository.loadClass((String) null)); |
| } |
| } |
| |
| private void verifyCaching(final AbstractClassPathRepository repository) throws ClassNotFoundException { |
| // Tests loadClass() |
| final JavaClass class1 = repository.loadClass("java.lang.String"); |
| assertNotNull(class1); |
| final JavaClass class2 = repository.loadClass("java/lang/Long"); // Slashes should work |
| assertNotNull(class2); |
| |
| // Tests findClass() |
| assertEquals(class1, repository.findClass("java.lang.String")); |
| assertEquals(class2, repository.findClass("java.lang.Long")); |
| |
| // Tests removeClass() |
| repository.removeClass(class1); |
| assertNull(repository.findClass("java.lang.String")); |
| |
| // Tests clear() |
| repository.clear(); |
| assertNull(repository.findClass("java.lang.Long")); |
| } |
| } |