}
  }

  @CollectionSize.Require(SEVERAL)
  public void testEquals() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k1(), v0()), mapEntry(k0(), v3()));
    Map<K, Collection<V>> expected = new HashMap<>();
    expected.put(k0(), Lists.newArrayList(v0(), v3()));
    expected.put(k1(), Lists.newArrayList(v0()));
    new EqualsTester().addEqualityGroup(expected, multimap().asMap()).testEquals();
  }

    }
  }

  @CollectionSize.Require(SEVERAL)
  public void testEquals() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k1(), v0()), mapEntry(k0(), v3()));
    Map<K, Collection<V>> expected = new HashMap<>();
    expected.put(k0(), Lists.newArrayList(v0(), v3()));
    expected.put(k1(), Lists.newArrayList(v0()));
    new EqualsTester().addEqualityGroup(expected, multimap().asMap()).testEquals();
  }

    }
  }

  @CollectionSize.Require(SEVERAL)
  public void testEquals() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k1(), v0()), mapEntry(k0(), v3()));
    Map<K, Collection<V>> expected = new HashMap<>();
    expected.put(k0(), newHashSet(v0(), v3()));
    expected.put(k1(), newHashSet(v0()));
    new EqualsTester().addEqualityGroup(expected, multimap().asMap()).testEquals();
  }

  @CollectionSize.Require(SEVERAL)

    /** Uses an {@link EnumSet} to store value collections. */
    public <V0 extends Enum<V0>> SetMultimapBuilder<K0, V0> enumSetValues(Class<V0> valueClass) {
      checkNotNull(valueClass, "valueClass");
      return new SetMultimapBuilder<K0, V0>() {
        @Override
        public <K extends K0, V extends V0> SetMultimap<K, V> build() {
          // V must actually be V0, since enums are effectively final

    /** Uses an {@link EnumSet} to store value collections. */
    public <V0 extends Enum<V0>> SetMultimapBuilder<K0, V0> enumSetValues(Class<V0> valueClass) {
      checkNotNull(valueClass, "valueClass");
      return new SetMultimapBuilder<K0, V0>() {
        @Override
        public <K extends K0, V extends V0> SetMultimap<K, V> build() {
          // V must actually be V0, since enums are effectively final

  public void testReplaceValuesWithNullValue() {
    List<V> values = asList(v0(), null, v3());
    multimap().replaceValues(k0(), values);
    assertGet(k0(), values);
  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
  public void testReplaceValuesWithNullKey() {
    List<V> values = asList(v0(), v2(), v3());
    multimap().replaceValues(null, values);
    assertGet(null, values);
  }

      entryItr.remove();
    }
    assertTrue(getMap().isEmpty());
  }

  public void testContainsEntryWithIncomparableKey() {
    try {
      assertFalse(getMap().entrySet().contains(mapEntry(IncomparableType.INSTANCE, v0())));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

  public void testContainsEntryWithIncomparableValue() {
    try {

      entryItr.remove();
    }
    assertTrue(getMap().isEmpty());
  }

  public void testContainsEntryWithIncomparableKey() {
    try {
      assertFalse(getMap().entrySet().contains(mapEntry(IncomparableType.INSTANCE, v0())));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

  public void testContainsEntryWithIncomparableValue() {
    try {

  public void testPutIfAbsent_unsupportedPresentExistingValue() {
    try {
      assertEquals(
          "putIfAbsent(present, existingValue) should return present or throw",
          v0(),
          getMap().putIfAbsent(k0(), v0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)

    expectUnchanged();
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemovePresent() {
    assertTrue(multimap().remove(k0(), v0()));

    assertFalse(multimap().containsEntry(k0(), v0()));
    expectMissing(e0());
    assertEquals(getNumElements() - 1, multimap().size());
    assertGet(k0(), ImmutableList.of());
  }

  @CollectionSize.Require(absent = ZERO)