com.github.wreulicke.bean.validation.ASMMethodParameterValidationInjectorTest.java Source code

Java tutorial

Introduction

Here is the source code for com.github.wreulicke.bean.validation.ASMMethodParameterValidationInjectorTest.java

Source

/**
 * MIT License
 *
 * Copyright (c) 2017 Wreulicke
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.github.wreulicke.bean.validation;

import static com.github.wreulicke.bean.validation.ByteCodes.getByteCode;

import java.io.IOException;

import org.junit.Test;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.tree.ClassNode;

public class ASMMethodParameterValidationInjectorTest {
    @Test
    public void firstCase() throws IOException {
        ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_FRAMES + ClassWriter.COMPUTE_MAXS);
        ClassReader reader = new ClassReader(getByteCode(Example.class));
        ClassNode node = new ClassNode();
        reader.accept(node, ClassReader.EXPAND_FRAMES);
        ASMMethodParameterValidationInjector injector = new ASMMethodParameterValidationInjector();
        injector.inject(node);
        node.accept(writer);
        byte[] result = writer.toByteArray();
        // ByteCodes.dumpAndDecomplie((p) -> p.resolve("Example.class"), getByteCode(Example.class));
    }

}