001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.proxy; 019 020 import junit.framework.TestCase; 021 import org.apache.commons.proxy.factory.javassist.JavassistProxyFactory; 022 import org.apache.commons.proxy.util.DuplicateEcho; 023 import org.apache.commons.proxy.util.Echo; 024 import org.apache.commons.proxy.util.EchoImpl; 025 026 import java.io.Serializable; 027 import java.util.Arrays; 028 import java.util.Properties; 029 030 public class TestProxyUtils extends TestCase 031 { 032 private Properties prevProperties; 033 034 protected void setUp() throws Exception 035 { 036 prevProperties = System.getProperties(); 037 System.setProperties( new Properties() ); 038 } 039 040 protected void tearDown() throws Exception 041 { 042 System.setProperties( prevProperties ); 043 } 044 045 public void testCreateNullObject() throws Exception 046 { 047 final Echo nullEcho = ( Echo ) ProxyUtils 048 .createNullObject( new JavassistProxyFactory(), new Class[]{ Echo.class } ); 049 assertNull( nullEcho.echoBack( "hello" ) ); 050 assertNull( nullEcho.echoBack( "hello", "world" ) ); 051 assertEquals( ( int ) 0, nullEcho.echoBack( 12345 ) ); 052 } 053 054 public void testCreateNullObjectWithClassLoader() throws Exception 055 { 056 final Echo nullEcho = ( Echo ) ProxyUtils.createNullObject( new JavassistProxyFactory(), 057 Echo.class.getClassLoader(), 058 new Class[]{ Echo.class } ); 059 assertNull( nullEcho.echoBack( "hello" ) ); 060 assertNull( nullEcho.echoBack( "hello", "world" ) ); 061 assertEquals( ( int ) 0, nullEcho.echoBack( 12345 ) ); 062 } 063 064 public void testGetAllInterfaces() 065 { 066 assertNull( ProxyUtils.getAllInterfaces( null ) ); 067 assertEquals( Arrays.asList( new Class[] { DuplicateEcho.class, Serializable.class, Echo.class } ), Arrays.asList( ProxyUtils.getAllInterfaces( EchoImpl.class ) ) ); 068 } 069 070 public void testGetJavaClassName() throws Exception 071 { 072 assertEquals( "java.lang.Object[]", ProxyUtils.getJavaClassName( Object[].class ) ); 073 assertEquals( "java.lang.Object[][]", ProxyUtils.getJavaClassName( Object[][].class ) ); 074 assertEquals( "java.lang.String[][][]", ProxyUtils.getJavaClassName( String[][][].class ) ); 075 assertEquals( "int", ProxyUtils.getJavaClassName( Integer.TYPE ) ); 076 assertEquals( "float", ProxyUtils.getJavaClassName( Float.TYPE ) ); 077 assertEquals( "long", ProxyUtils.getJavaClassName( Long.TYPE ) ); 078 assertEquals( "double", ProxyUtils.getJavaClassName( Double.TYPE ) ); 079 assertEquals( "short", ProxyUtils.getJavaClassName( Short.TYPE ) ); 080 assertEquals( "byte", ProxyUtils.getJavaClassName( Byte.TYPE ) ); 081 assertEquals( "char", ProxyUtils.getJavaClassName( Character.TYPE ) ); 082 assertEquals( "boolean", ProxyUtils.getJavaClassName( Boolean.TYPE ) ); 083 } 084 }