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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;

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

import mockit.internal.expectations.argumentMatching.*;
import static mockit.internal.util.Utilities.*;

public abstract class TestOnlyPhase extends Phase
{
   protected int numberOfIterations;
   @Nullable protected Object nextInstanceToMatch;
   protected boolean matchInstance;
   @Nullable protected List> argMatchers;
   @Nullable Expectation currentExpectation;

   TestOnlyPhase(@Nonnull RecordAndReplayExecution recordAndReplay) { super(recordAndReplay); }

   public final void setNumberOfIterations(int numberOfIterations) { this.numberOfIterations = numberOfIterations; }

   public final void setNextInstanceToMatch(@Nullable Object nextInstanceToMatch)
   {
      this.nextInstanceToMatch = nextInstanceToMatch;
   }

   public final void addArgMatcher(@Nonnull ArgumentMatcher matcher)
   {
      getArgumentMatchers().add(matcher);
   }

   @Nonnull
   private List> getArgumentMatchers()
   {
      if (argMatchers == null) {
         argMatchers = new ArrayList>();
      }

      return argMatchers;
   }

   public final void moveArgMatcher(int originalMatcherIndex, int toIndex)
   {
      List> matchers = getArgumentMatchers();
      int i = 0;

      for (int matchersFound = 0; matchersFound <= originalMatcherIndex; i++) {
         if (matchers.get(i) != null) {
            matchersFound++;
         }
      }

      for (i--; i < toIndex; i++) {
         matchers.add(i, null);
      }
   }

   public final void setExpectedSingleArgumentType(int parameterIndex, @Nonnull Class argumentType)
   {
      ArgumentMatcher newMatcher = ClassMatcher.create(argumentType);
      getArgumentMatchers().set(parameterIndex, newMatcher);
   }

   public final void setExpectedMultiArgumentType(int parameterIndex, @Nonnull Class argumentType)
   {
      CaptureMatcher matcher = (CaptureMatcher) getArgumentMatchers().get(parameterIndex);
      matcher.setExpectedType(argumentType);
   }

   @Nonnull
   final Expectation getCurrentExpectation()
   {
      if (currentExpectation == null) {
         throw new IllegalStateException(
            "Missing invocation to mocked type at this point; please make sure such invocations appear only after " +
            "the declaration of a suitable mock field or parameter");
      }

      return currentExpectation;
   }

   public void setMaxInvocationCount(int maxInvocations)
   {
      int currentMinimum = getCurrentExpectation().constraints.minInvocations;

      if (numberOfIterations > 0) {
         currentMinimum /= numberOfIterations;
      }

      int minInvocations = maxInvocations < 0 ? currentMinimum : Math.min(currentMinimum, maxInvocations);

      handleInvocationCountConstraint(minInvocations, maxInvocations);
   }

   public abstract void handleInvocationCountConstraint(int minInvocations, int maxInvocations);

   protected static boolean isEnumElement(@Nonnull Object mock)
   {
      Class mockedClass = mock.getClass();
      return mockedClass.isEnum() && indexOfReference(mockedClass.getEnumConstants(), mock) >= 0;
   }
}