Package org.ow2.asm.commons

Source Code of org.ow2.asm.commons.CodeSizeEvaluatorTest

/***
* ASM tests
* Copyright (c) 2002-2005 France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
*    contributors may be used to endorse or promote products derived from
*    this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.ow2.asm.commons;

import junit.framework.TestSuite;

import org.ow2.asm.AbstractTest;
import org.ow2.asm.ClassAdapter;
import org.ow2.asm.ClassReader;
import org.ow2.asm.ClassWriter;
import org.ow2.asm.Label;
import org.ow2.asm.MethodVisitor;

public class CodeSizeEvaluatorTest extends AbstractTest {

    public static TestSuite suite() throws Exception {
        return new CodeSizeEvaluatorTest().getSuite();
    }

    @Override
    public void test() throws Exception {
        ClassReader cr = new ClassReader(is);
        cr.accept(new ClassAdapter(new ClassWriter(0)) {
            @Override
            public MethodVisitor visitMethod(
                final int access,
                final String name,
                final String desc,
                final String signature,
                final String[] exceptions)
            {
                MethodVisitor mv = cv.visitMethod(access,
                        name,
                        desc,
                        signature,
                        exceptions);
                return new CodeSizeEvaluator(mv) {
                    @Override
                    public void visitMaxs(
                        final int maxStack,
                        final int maxLocals)
                    {
                        Label end = new Label();
                        mv.visitLabel(end);
                        mv.visitMaxs(maxStack, maxLocals);
                        int size = end.getOffset();
                        assertTrue(getMinSize() + " <= " + size + " <= "
                                + getMaxSize(), getMinSize() <= size
                                && size <= getMaxSize());
                    }
                };
            }
        }, 0);
    }
}
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