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JMockit is a Java toolkit for automated developer testing. It contains mocking/faking APIs and a code coverage tool, supporting both JUnit and TestNG. The mocking APIs allow all kinds of Java code, without testability restrictions, to be tested in isolation from selected dependencies.

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/*
 * Copyright (c) 2006 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.internal.classGeneration;

import javax.annotation.*;

import mockit.external.asm.*;

/**
 * Generates a concrete subclass for an {@code abstract} base class.
 */
public final class ConcreteSubclass extends ImplementationClass
{
   public ConcreteSubclass(@Nonnull Class baseClass) { super(baseClass); }

   @Nonnull @Override
   protected ClassVisitor createMethodBodyGenerator(@Nonnull ClassReader typeReader)
   {
      return new BaseSubclassGenerator(sourceClass, typeReader, null, generatedClassName, false) {
         @Override
         protected void generateMethodImplementation(
            String className, int access, @Nonnull String name, @Nonnull String desc,
            @Nullable String signature, @Nullable String[] exceptions)
         {
            mw = cw.visitMethod(Opcodes.ACC_PUBLIC, name, desc, signature, exceptions);
            generateEmptyImplementation(desc);
         }
      };
   }
}