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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.expectations.argumentMatching;

import java.util.*;
import javax.annotation.*;

public final class LenientEqualityMatcher extends EqualityMatcher
{
   @Nonnull private final Map instanceMap;

   public LenientEqualityMatcher(@Nullable Object equalArg, @Nonnull Map instanceMap)
   {
      super(equalArg);
      this.instanceMap = instanceMap;
   }

   @Override
   public boolean matches(@Nullable Object argValue)
   {
      if (argValue == null) {
         return object == null;
      }
      else if (object == null) {
         return false;
      }
      else if (argValue == object || instanceMap.get(argValue) == object) {
         return true;
      }

      return areEqualWhenNonNull(argValue, object);
   }
}