}

  public void testContainsValue() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertTrue(table.containsValue('a'));
    assertTrue(table.containsValue('b'));
    assertTrue(table.containsValue('c'));
    assertFalse(table.containsValue('x'));
    assertFalse(table.containsValue(null));
  }

  public void testGet() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');

    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override
    public boolean containsValue(@Nullable Object value) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.containsValue(value);
    }

    @Override
    public void clear() {
      assertTrue(Thread.holdsLock(mutex));
      delegate.clear();
    }

    @Override

   */
  ALLOWS_NULL_KEY_QUERIES,
  ALLOWS_NULL_KEYS(ALLOWS_NULL_KEY_QUERIES),
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code
   * containsValue(null)}, {@code values().contains(null)} or {@code values().remove(null)}.
   */
  ALLOWS_NULL_VALUE_QUERIES,
  ALLOWS_NULL_VALUES(ALLOWS_NULL_VALUE_QUERIES),
  /**

    assertNull(map.put(one, one));
    assertSame(one, map.get(one));
    assertTrue(map.containsKey(one));
    assertTrue(map.containsValue(one));
    Object two = new Object();
    assertSame(one, map.replace(one, two));
    assertTrue(map.containsKey(one));
    assertFalse(map.containsValue(one));
    Object three = new Object();
    assertTrue(map.replace(one, two, three));
    assertTrue(map.remove(one, three));

    assertNull(map.put(one, one));
    assertSame(one, map.get(one));
    assertTrue(map.containsKey(one));
    assertTrue(map.containsValue(one));
    Object two = new Object();
    assertSame(one, map.replace(one, two));
    assertTrue(map.containsKey(one));
    assertFalse(map.containsValue(one));
    Object three = new Object();
    assertTrue(map.replace(one, two, three));
    assertTrue(map.remove(one, three));

  }

  public void testContainsValue() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertTrue(table.containsValue('a'));
    assertTrue(table.containsValue('b'));
    assertTrue(table.containsValue('c'));
    assertFalse(table.containsValue('x'));
    assertFalse(table.containsValue(null));
  }

  public void testGet() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');

          "Inverse should not contain key " + reversed.getKey(),
          inv.containsKey(reversed.getKey()));
      assertFalse(
          "Inverse should not contain value " + reversed.getValue(),
          inv.containsValue(reversed.getValue()));
      /*
       * TODO(cpovirk): This is a bit stronger than super.expectMissing(), which permits a <key,
       * someOtherValue> pair.
       */
      assertNull(

      unmappedValue = getValueNotInPopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    assertFalse(map.containsValue(unmappedValue));
    assertTrue(map.containsValue(map.values().iterator().next()));
    if (allowsNullValues) {
      boolean unused = map.containsValue(null);
    } else {
      try {
        boolean unused2 = map.containsKey(null);
      } catch (NullPointerException optional) {

  }

  @Override
  public boolean containsRow(@CheckForNull Object rowKey) {
    return delegate().containsRow(rowKey);
  }

  @Override
  public boolean containsValue(@CheckForNull Object value) {
    return delegate().containsValue(value);
  }

  @Override
  @CheckForNull
  public V get(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
    return delegate().get(rowKey, columnKey);
  }

    }

    @Override
    public boolean containsKey(final Object key) {
        return parent.containsKey(key);
    }

    @Override
    public boolean containsValue(final Object value) {
        return parent.containsValue(value);
    }

    @Override
    public Object get(final Object key) {
        return parent.get(key);
    }

    @Override