import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@code Count}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class CountTest extends TestCase {
  public void testGet() {
    assertEquals(20, new Count(20).get());
  }

  public void testGetAndAdd() {
    Count holder = new Count(20);
    assertEquals(20, holder.get());
    holder.add(1);

import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible // GWT's ImmutableMap emulation is backed by java.util.HashMap.
@NullUnmarked
public class RegularImmutableMapWithUnhashableValuesMapInterfaceTest
    extends AbstractImmutableMapMapInterfaceTest<Integer, UnhashableObject> {
  @Override
  protected Map<Integer, UnhashableObject> makeEmptyMap() {
    return ImmutableMap.of();
  }

  @Override

import java.util.Map;
import java.util.SortedMap;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class UnmodifiableRowSortedTableRowMapTest extends RowMapTests {
  public UnmodifiableRowSortedTableRowMapTest() {
    super(false, false, false, false);
  }

  @Override
  RowSortedTable<String, Integer, Character> makeTable() {

import com.google.common.collect.TableCollectionTest.RowTests;
import java.util.Map;
import org.jspecify.annotations.NullMarked;

@GwtCompatible
@NullMarked
public class UnmodifiableTableRowTest extends RowTests {
  public UnmodifiableTableRowTest() {
    super(false, false, false, false, false);
  }

  @Override
  Table<Character, String, Integer> makeTable() {

import org.codehaus.plexus.interpolation.AbstractValueSource;

/**
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
class BuildTimestampValueSource extends AbstractValueSource {
    private final MavenBuildTimestamp mavenBuildTimestamp;

    BuildTimestampValueSource(Date startTime, Properties properties) {
        super(false);

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends AbstractAggregationBuilder<?>> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface OperatorCall<CA extends EsAbstractConditionAggregation> {

        void callback(CA query);
    }

/**
 * Unit test for IteratorTester.
 *
 * @author Mick Killianey
 */
@GwtCompatible
@SuppressWarnings("serial") // No serialization is used in this test
public class IteratorTesterTest extends TestCase {

  public void testCanCatchDifferentLengthOfIteration() {
    IteratorTester<Integer> tester =
        new IteratorTester<Integer>(

        // The exception should be serializable since it extends CIFSException
        assertTrue(exception instanceof java.io.Serializable);
    }

    /**
     * Helper class for testing - not actually needed but demonstrates IOException usage
     */
    private static class IOException extends Exception {
        public IOException(String message) {
            super(message);
        }

        }
      };

  private final NavigableSet<E> delegate;

  public SafeTreeSet() {
    this(new TreeSet<E>());
  }

  public SafeTreeSet(Collection<? extends E> collection) {
    this(new TreeSet<E>(collection));
  }

  public SafeTreeSet(Comparator<? super E> comparator) {
    this(new TreeSet<E>(comparator));
  }

  public SafeTreeSet(SortedSet<E> set) {

// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@NullMarked
public class CollectionIteratorTester<E extends @Nullable Object>
    extends AbstractCollectionTester<E> {
  public void testIterator() {
    List<E> iteratorElements = new ArrayList<>();
    for (E element : collection) { // uses iterator()
      iteratorElements.add(element);
    }