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JMockit is a Java toolkit for developer (unit/integration) testing. It contains mocking APIs and other tools, 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) 2006-2012 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.internal.expectations.mocking;

import java.lang.reflect.*;

import mockit.internal.*;
import mockit.internal.expectations.*;
import mockit.internal.state.*;
import mockit.internal.util.*;

public final class MockedBridge extends MockingBridge
{
   public static final MockingBridge MB = new MockedBridge();

   private MockedBridge() { super(MockedBridge.class); }

   public Object invoke(Object mocked, Method method, Object[] args) throws Throwable
   {
      String mockedClassDesc = (String) args[1];

      if (notToBeMocked(mocked, mockedClassDesc)) {
         return Void.class;
      }

      String mockName = (String) args[2];
      String mockDesc = (String) args[3];
      String mockNameAndDesc = mockName + mockDesc;
      Object[] mockArgs = extractMockArguments(args);
      int executionMode = (Integer) args[6];
      boolean lockHeldByCurrentThread = RecordAndReplayExecution.RECORD_OR_REPLAY_LOCK.isHeldByCurrentThread();

      if (lockHeldByCurrentThread && mocked != null && executionMode == 0) {
         Object rv = ObjectMethods.evaluateOverride(mocked, mockNameAndDesc, args);

         if (rv != null) {
            return rv;
         }
      }

      if (TestRun.isInsideNoMockingZone()) {
         return Void.class;
      }

      String genericSignature = (String) args[4];

      if (lockHeldByCurrentThread && executionMode == 0) {
         return RecordAndReplayExecution.defaultReturnValue(
            mocked, mockedClassDesc, mockNameAndDesc, genericSignature, 1, mockArgs);
      }

      int mockAccess = (Integer) args[0];
      String exceptions = (String) args[5];

      TestRun.enterNoMockingZone();

      try {
         return RecordAndReplayExecution.recordOrReplay(
            mocked, mockAccess, mockedClassDesc, mockNameAndDesc, genericSignature, exceptions,
            executionMode, mockArgs);
      }
      finally {
         TestRun.exitNoMockingZone();
      }
   }
}