putEntries(map, entries);
                    map.putAll(ENTRIES_TO_FILTER);
                    map = Maps.filterEntries(map, FILTER_ENTRIES_1);
                    return Maps.filterEntries(map, FILTER_ENTRIES_2);
                  }
                })
            .named("Maps.filterEntries[Maps.filterEntries[Map, Predicate], Predicate]")
            .withFeatures(
                MapFeature.ALLOWS_NULL_KEYS,

                    putEntries(map, entries);
                    map.putAll(ENTRIES_TO_FILTER);
                    map = Maps.filterEntries(map, FILTER_ENTRIES_1);
                    return Maps.filterEntries(map, FILTER_ENTRIES_2);
                  }
                })
            .named("Maps.filterEntries[Maps.filterEntries[Map, Predicate], Predicate]")
            .withFeatures(
                MapFeature.ALLOWS_NULL_KEYS,

    unfiltered.put("apple", 2);
    unfiltered.put("banana", 6);
    unfiltered.put("cat", 3);
    unfiltered.put("dog", 5);

    SortedMap<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
    assertEquals("banana", filtered.firstKey());
    assertEquals("cat", filtered.lastKey());
  }

  public void testHeadSubTailMap_FilteredMap() {

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Predicate;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;

/**
 * Tests for Multimaps.filterEntries().asMap().
 *
 * @author Jared Levy
 */
@GwtIncompatible(value = "untested")
public class MultimapsFilterEntriesAsMapTest extends AbstractMultimapAsMapImplementsMapTest {

                    multimap.putAll(badEntries);
                    return Multimaps.filterEntries(
                        multimap, Predicates.not(Predicates.in(badEntries.entries())));
                  }
                })
            .named("Multimaps.filterEntries[SetMultimap, Predicate]")
            .withFeatures(
                CollectionSize.ANY,

                    multimap.putAll(badEntries);
                    return Multimaps.filterEntries(
                        multimap, Predicates.not(Predicates.in(badEntries.entries())));
                  }
                })
            .named("Multimaps.filterEntries[SetMultimap, Predicate]")
            .withFeatures(
                CollectionSize.ANY,

    Map<String, Integer> unfiltered = createUnfiltered();
    unfiltered.put("cat", 3);
    unfiltered.put("dog", 2);
    unfiltered.put("horse", 5);
    Map<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5), filtered);

    filtered.put("chicken", 7);
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5, "chicken", 7), filtered);

    Map<String, Integer> unfiltered = createUnfiltered();
    unfiltered.put("cat", 3);
    unfiltered.put("dog", 2);
    unfiltered.put("horse", 5);
    Map<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5), filtered);

    filtered.put("chicken", 7);
    assertEquals(ImmutableMap.of("cat", 3, "horse", 5, "chicken", 7), filtered);

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Predicate;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;

/**
 * Tests for Multimaps.filterEntries().asMap().
 *
 * @author Jared Levy
 */
@GwtIncompatible(value = "untested")
public class MultimapsFilterEntriesAsMapTest extends AbstractMultimapAsMapImplementsMapTest {

    unfiltered.put("apple", 2);
    unfiltered.put("banana", 6);
    unfiltered.put("cat", 3);
    unfiltered.put("dog", 5);

    SortedMap<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
    assertEquals("banana", filtered.firstKey());
    assertEquals("cat", filtered.lastKey());
  }

  public void testHeadSubTailMap_FilteredMap() {