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Java > Open Source Codes > org > objectweb > asm > commons > CodeSizeEvaluatorTest


1 /***
2  * ASM tests
3  * Copyright (c) 2002-2005 France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 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  */
30 package org.objectweb.asm.commons;
31
32 import junit.framework.TestSuite;
33
34 import org.objectweb.asm.AbstractTest;
35 import org.objectweb.asm.ClassAdapter;
36 import org.objectweb.asm.ClassReader;
37 import org.objectweb.asm.ClassWriter;
38 import org.objectweb.asm.Label;
39 import org.objectweb.asm.MethodVisitor;
40
41 public class CodeSizeEvaluatorTest extends AbstractTest {
42
43     public static TestSuite suite() throws Exception JavaDoc {
44         return new CodeSizeEvaluatorTest().getSuite();
45     }
46
47     public void test() throws Exception JavaDoc {
48         ClassReader cr = new ClassReader(is);
49         cr.accept(new ClassAdapter(new ClassWriter(0)) {
50             public MethodVisitor visitMethod(
51                 final int access,
52                 final String JavaDoc name,
53                 final String JavaDoc desc,
54                 final String JavaDoc signature,
55                 final String JavaDoc[] exceptions)
56             {
57                 MethodVisitor mv = cv.visitMethod(access,
58                         name,
59                         desc,
60                         signature,
61                         exceptions);
62                 return new CodeSizeEvaluator(mv) {
63                     public void visitMaxs(
64                         final int maxStack,
65                         final int maxLocals)
66                     {
67                         Label end = new Label();
68                         mv.visitLabel(end);
69                         mv.visitMaxs(maxStack, maxLocals);
70                         int size = end.getOffset();
71                         assertTrue(getMinSize() + " <= " + size + " <= "
72                                 + getMaxSize(), getMinSize() <= size
73                                 && size <= getMaxSize());
74                     }
75                 };
76             }
77         }, 0);
78     }
79 }
80
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