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Java > Open Source Codes > net > sf > retrotranslator > runtime > java > lang > instrument > Instrumentation_Java6TestCase


1 /***
2  * Retrotranslator: a Java bytecode transformer that translates Java classes
3  * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
4  *
5  * Copyright (c) 2005 - 2007 Taras Puchko
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holders nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package net.sf.retrotranslator.runtime.java.lang.instrument;
33
34 import java.lang.instrument.*;
35 import java.lang.reflect.*;
36 import junit.framework.TestCase;
37
38 /**
39  * @author Taras Puchko
40  */
41 public class Instrumentation_Java6TestCase extends TestCase {
42
43     public void test() throws Exception JavaDoc {
44         InvocationHandler handler = new InvocationHandler() {
45             public Object JavaDoc invoke(Object JavaDoc proxy, Method method, Object JavaDoc[] args) throws Throwable JavaDoc {
46                 if (method.getReturnType() == boolean.class) return false;
47                 if (method.getReturnType() == long.class) return 0L;
48                 return null;
49             }
50         };
51         Instrumentation instrumentation = (Instrumentation) Proxy.newProxyInstance(
52                 getClass().getClassLoader(), new Class JavaDoc<?>[]{Instrumentation.class}, handler);
53         instrumentation.addTransformer(null);
54         instrumentation.addTransformer(null, false);
55         instrumentation.appendToBootstrapClassLoaderSearch(null);
56         instrumentation.appendToSystemClassLoaderSearch(null);
57         instrumentation.getAllLoadedClasses();
58         instrumentation.getInitiatedClasses(null);
59         instrumentation.getObjectSize(null);
60         instrumentation.isModifiableClass(null);
61         instrumentation.isNativeMethodPrefixSupported();
62         instrumentation.isRedefineClassesSupported();
63         instrumentation.isRetransformClassesSupported();
64         instrumentation.redefineClasses(new ClassDefinition[0]);
65         instrumentation.removeTransformer(null);
66         instrumentation.retransformClasses(new Class JavaDoc[0]);
67         instrumentation.setNativeMethodPrefix(null, null);
68     }
69
70 }
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