EnumMap<SomeEnum, Integer> copy = Maps.newEnumMap(original);
    assertEquals(original, copy);
  }

  public void testEnumMapWithInitialEmptyEnumMap() {
    EnumMap<SomeEnum, Integer> original = Maps.newEnumMap(SomeEnum.class);
    EnumMap<SomeEnum, Integer> copy = Maps.newEnumMap(original);
    assertEquals(original, copy);
    assertThat(copy).isNotSameInstanceAs(original);
  }

      for (Set<? extends E> set : sets) {
        ImmutableSet<E> copy = ImmutableSet.copyOf(set);
        if (copy.isEmpty()) {
          return ImmutableSet.of();
        }
        axesBuilder.add(copy);
      }
      ImmutableList<ImmutableSet<E>> axes = axesBuilder.build();
      ImmutableList<List<E>> listAxes =

      for (Set<? extends E> set : sets) {
        ImmutableSet<E> copy = ImmutableSet.copyOf(set);
        if (copy.isEmpty()) {
          return ImmutableSet.of();
        }
        axesBuilder.add(copy);
      }
      ImmutableList<ImmutableSet<E>> axes = axesBuilder.build();
      ImmutableList<List<E>> listAxes =

   * key/value mapping in the underlying multimap and determine which satisfy the filter. When a
   * live view is <i>not</i> needed, it may be faster to copy the filtered multimap and use the
   * copy.
   *
   * <p><b>Warning:</b> {@code keyPredicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code

   * key/value mapping in the underlying multimap and determine which satisfy the filter. When a
   * live view is <i>not</i> needed, it may be faster to copy the filtered multimap and use the
   * copy.
   *
   * <p><b>Warning:</b> {@code keyPredicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code

    E newEntry(S segment, K key, int hash, @Nullable E next);

    /**
     * Returns a freshly created entry, typed at the {@code E} type, for the given {@code segment},
     * that is a copy of the given {@code entry}.
     */
    E copy(S segment, E entry, @Nullable E newNext);

    /**
     * Sets the value of the given {@code entry} in the given {@code segment} to be the given {@code
     * value}
     */

      synchronized (mutex) {
        return delegate().removeAll(key); // copy not synchronized
      }
    }

    @Override
    public List<V> replaceValues(K key, Iterable<? extends V> values) {
      synchronized (mutex) {
        return delegate().replaceValues(key, values); // copy not synchronized
      }
    }

      synchronized (mutex) {
        return delegate().removeAll(key); // copy not synchronized
      }
    }

    @Override
    public List<V> replaceValues(K key, Iterable<? extends V> values) {
      synchronized (mutex) {
        return delegate().replaceValues(key, values); // copy not synchronized
      }
    }

    E newEntry(S segment, K key, int hash, @Nullable E next);

    /**
     * Returns a freshly created entry, typed at the {@code E} type, for the given {@code segment},
     * that is a copy of the given {@code entry}.
     */
    E copy(S segment, E entry, @Nullable E newNext);

    /**
     * Sets the value of the given {@code entry} in the given {@code segment} to be the given {@code
     * value}
     */

		if _, err := w.ReadFrom(rw); err != rw.expected {
			t.Errorf("w.ReadFrom(errorReaderFromTests[%d]) = _, %v, want _,%v", i, err, rw.expected)
		}
	}
}

// TestWriterReadFromCounts tests that using io.Copy to copy into a
// bufio.Writer does not prematurely flush the buffer. For example, when
// buffering writes to a network socket, excessive network writes should be
// avoided.
func TestWriterReadFromCounts(t *testing.T) {