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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 JMockit developers
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.coverage.dataItems;

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

import mockit.internal.state.*;

public final class StaticFieldData extends FieldData
{
   private static final long serialVersionUID = -6596622341651601060L;

   @Nonnull private final transient Map testIdsToAssignments = new HashMap<>();

   void registerAssignment() {
      int testId = TestRun.getTestId();
      testIdsToAssignments.put(testId, Boolean.TRUE);
      writeCount++;
   }

   void registerRead() {
      int testId = TestRun.getTestId();
      testIdsToAssignments.put(testId, null);
      readCount++;
   }

   @Override
   void markAsCoveredIfNoUnreadValuesAreLeft() {
      for (Boolean withUnreadValue : testIdsToAssignments.values()) {
         if (withUnreadValue == null) {
            covered = true;
            break;
         }
      }
   }
}