mockit.coverage.dataItems.InstanceFieldData Maven / Gradle / Ivy

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JMockit Coverage is a code coverage tool with several metrics (line, path, data) capable of generating HTML reports. It is designed with ease of use in mind, avoiding the need for complex configuration. Instead, smart (but overridable) defaults are employed, such as the selection of which classes to consider for coverage, and where to find sources files for report generation.

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/*
 * Copyright (c) 2006-2013 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.coverage.dataItems;

import java.util.*;

import org.jetbrains.annotations.*;

import mockit.internal.state.*;

public final class InstanceFieldData extends FieldData
{
   private static final long serialVersionUID = 6991762113575259754L;

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

   void registerAssignment(@NotNull Object instance)
   {
      List dataForRunningTest = getDataForRunningTest();
      Integer instanceId = System.identityHashCode(instance);

      if (!dataForRunningTest.contains(instanceId)) {
         dataForRunningTest.add(instanceId);
      }

      writeCount++;
   }

   void registerRead(@NotNull Object instance)
   {
      List dataForRunningTest = getDataForRunningTest();
      Integer instanceId = System.identityHashCode(instance);

      dataForRunningTest.remove(instanceId);
      readCount++;
   }

   @NotNull private List getDataForRunningTest()
   {
      int testId = TestRun.getTestId();
      List fieldData = testIdsToAssignments.get(testId);

      if (fieldData == null) {
         fieldData = new LinkedList();
         testIdsToAssignments.put(testId, fieldData);
      }

      return fieldData;
   }

   @Override
   void markAsCoveredIfNoUnreadValuesAreLeft()
   {
      for (List unreadInstances : testIdsToAssignments.values()) {
         if (unreadInstances.isEmpty()) {
            covered = true;
            break;
         }
      }
   }

   @NotNull public List getOwnerInstancesWithUnreadAssignments()
   {
      if (isCovered()) {
         return Collections.emptyList();
      }

      Collection> assignments = testIdsToAssignments.values();
      return assignments.iterator().next();
   }
}