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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.injection;

import java.lang.reflect.*;
import java.lang.reflect.Type;
import javax.annotation.*;
import static java.lang.reflect.Modifier.*;

import mockit.external.asm.*;
import mockit.internal.classGeneration.*;
import mockit.internal.expectations.mocking.*;
import mockit.internal.state.*;

final class TestedObjectCreation
{
   @Nonnull private final InjectionState injectionState;
   @Nullable private final FullInjection fullInjection;
   @Nonnull private final Class actualTestedClass;
   @Nonnull final TestedClass testedClass;

   TestedObjectCreation(
      @Nonnull InjectionState injectionState, @Nullable FullInjection fullInjection, @Nonnull Field testedField)
   {
      this.injectionState = injectionState;
      this.fullInjection = fullInjection;
      Class declaredTestedClass = testedField.getType();
      Type declaredType = testedField.getGenericType();
      actualTestedClass = isAbstract(declaredTestedClass.getModifiers()) ?
         generateSubclass(declaredType, declaredTestedClass) : declaredTestedClass;
      testedClass = new TestedClass(declaredType, declaredTestedClass);
   }

   @Nonnull
   private Class generateSubclass(@Nonnull final Type testedType, @Nonnull final Class abstractClass)
   {
      Class generatedSubclass = new ImplementationClass