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.Field;
32: import java.lang.reflect.Method;
33:
34: import org.objectweb.asm.ClassVisitor;
35: import org.objectweb.asm.ClassWriter;
36: import org.objectweb.asm.util.CheckClassAdapter;
37:
38: import util.AbstractTestCase;
39:
40: /**
41: * ASM Guide example test class.
42: *
43: * @author Eric Bruneton
44: */
45: public class AddTimerAdapterTest extends AbstractTestCase {
46:
47: public void test() throws Exception {
48: ClassWriter cw = new ClassWriter(0);
49: CheckClassAdapter ca = new CheckClassAdapter(cw);
50: ClassVisitor cv = getClassAdapter(ca);
51: generateBasicClass(cv);
52: checkClass(defineClass("C", cw.toByteArray()));
53: }
54:
55: protected void checkClass(Class c) throws Exception {
56: Object o = c.newInstance();
57: Method m = c.getMethod("m");
58: m.invoke(o);
59: Field f = c.getField("timer");
60: assertTrue(f.getLong(null) > 0);
61: }
62:
63: @Override
64: protected ClassVisitor getClassAdapter(ClassVisitor cv) {
65: return new AddTimerAdapter(cv);
66: }
67: }
|