Map<? extends K, ? extends V> map, Comparator<? super K> comparator) {
    boolean sameComparator = false;
    if (map instanceof SortedMap) {
      SortedMap<?, ?> sortedMap = (SortedMap<?, ?>) map;
      Comparator<?> comparator2 = sortedMap.comparator();
      sameComparator =
          (comparator2 == null) ? comparator == NATURAL_ORDER : comparator.equals(comparator2);
    }

import com.google.common.annotations.GwtCompatible;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.SortedMap;

/**
 * Tests representing the contract of {@link SortedMap}. Concrete subclasses of this base class test
 * conformance of concrete {@link SortedMap} subclasses to that contract.
 *
 * @author Jared Levy
 */
// TODO: Use this class to test classes besides ImmutableSortedMap.

import com.google.common.base.Functions;
import java.util.SortedMap;

/**
 * Tests for {@link Maps#transformValues(SortedMap, Function)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public class MapsSortedTransformValuesTest extends AbstractMapsTransformValuesTest {
  @Override
  protected SortedMap<String, String> makeEmptyMap() {

   * returns a {@link SortedMap}, instead of the {@link Map} specified in the {@link Table}
   * interface.
   *
   * @since 10.0 (<a href="https://github.com/google/guava/wiki/Compatibility" >mostly
   *     source-compatible</a> since 7.0)
   */
  @Override
  public SortedMap<C, V> row(R rowKey) {
    return new TreeRow(rowKey);
  }

  private class TreeRow extends Row implements SortedMap<C, V> {

    SortedMapDifferenceImpl(
        SortedMap<K, V> onlyOnLeft,
        SortedMap<K, V> onlyOnRight,
        SortedMap<K, V> onBoth,
        SortedMap<K, ValueDifference<V>> differences) {
      super(onlyOnLeft, onlyOnRight, onBoth, differences);
    }

    @Override
    public SortedMap<K, ValueDifference<V>> entriesDiffering() {
      return (SortedMap<K, ValueDifference<V>>) super.entriesDiffering();
    }

    SortedMapDifferenceImpl(
        SortedMap<K, V> onlyOnLeft,
        SortedMap<K, V> onlyOnRight,
        SortedMap<K, V> onBoth,
        SortedMap<K, ValueDifference<V>> differences) {
      super(onlyOnLeft, onlyOnRight, onBoth, differences);
    }

    @Override
    public SortedMap<K, ValueDifference<V>> entriesDiffering() {
      return (SortedMap<K, ValueDifference<V>>) super.entriesDiffering();
    }

import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import java.util.SortedMap;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests operations on a SortedMap. Can't be invoked directly; please see
 * {@code SortedMapTestSuiteBuilder}.
 *
 * @author Jesse Wilson
 * @author Louis Wasserman
 */
@GwtCompatible

        TestSortedMapGenerator<K, V> delegate, Bound to, Bound from) {
      super(delegate, to, from);
    }

    @Override
    NavigableMap<K, V> createSubMap(SortedMap<K, V> sortedMap, K firstExclusive, K lastExclusive) {
      NavigableMap<K, V> map = (NavigableMap<K, V>) sortedMap;
      if (from == Bound.NO_BOUND && to == Bound.INCLUSIVE) {
        return map.headMap(lastInclusive, true);

      }
      SortedMap<K, V> map = (SortedMap<K, V>) delegate.create(allEntries.toArray());

      return createSubMap(map, firstExclusive, lastExclusive);
    }

    /**
     * Calls the smallest subMap overload that filters out the extreme values. This method is
     * overridden in NavigableMapTestSuiteBuilder.
     */
    SortedMap<K, V> createSubMap(SortedMap<K, V> map, K firstExclusive, K lastExclusive) {

    return orderEntriesByKey(insertionOrder);
  }

  @Override
  protected abstract SortedMap<String, String> create(Entry<String, String>[] entries);

  @Override
  public SortedMap<String, String> create(Object... entries) {
    return (SortedMap<String, String>) super.create(entries);
  }