01: /***
02: * ASM Guide
03: * Copyright (c) 2007 Eric Bruneton
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: * 3. Neither the name of the copyright holders nor the names of its
15: * contributors may be used to endorse or promote products derived from
16: * this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28: * THE POSSIBILITY OF SUCH DAMAGE.
29: */package ch3.sec2;
30:
31: import java.lang.reflect.Constructor;
32: import java.lang.reflect.InvocationHandler;
33: import java.lang.reflect.Method;
34:
35: import org.objectweb.asm.ClassWriter;
36: import org.objectweb.asm.Type;
37: import org.objectweb.asm.util.CheckClassAdapter;
38:
39: import util.AbstractTestCase;
40:
41: /**
42: * ASM Guide example test class.
43: *
44: * @author Eric Bruneton
45: */
46: public class ProxyGeneratorTest extends AbstractTestCase {
47:
48: private Object p;
49:
50: private Method m;
51:
52: private Object[] args;
53:
54: public void test() throws Throwable {
55: ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
56: CheckClassAdapter ca = new CheckClassAdapter(cw);
57: ProxyGenerator pg = new ProxyGenerator(Comparable.class);
58: pg.generate(Type.getType("LC;"), ca);
59:
60: InvocationHandler handler = new InvocationHandler() {
61: public Object invoke(Object proxy, Method method,
62: Object[] args) throws Throwable {
63: ProxyGeneratorTest.this .p = proxy;
64: ProxyGeneratorTest.this .m = method;
65: ProxyGeneratorTest.this .args = args;
66: return 1;
67: }
68: };
69:
70: Class c = defineClass("C", cw.toByteArray());
71: Constructor ct = c.getConstructor(InvocationHandler.class);
72: Comparable o = (Comparable) ct.newInstance(handler);
73: int result = o.compareTo(new Integer(123));
74:
75: assertEquals(o, p);
76: assertEquals(Comparable.class.getMethod("compareTo",
77: Object.class), m);
78: assertNotNull(args);
79: assertEquals(1, args.length);
80: assertEquals(new Integer(123), args[0]);
81: assertEquals(1, result);
82: }
83: }
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