testRotate(new byte[] {1, 2, 3, 4, 5}, 0, new byte[] {1, 2, 3, 4, 5});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 1, new byte[] {5, 1, 2, 3, 4});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 3, new byte[] {3, 4, 5, 1, 2});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 4, new byte[] {2, 3, 4, 5, 1});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 6, new byte[] {5, 1, 2, 3, 4});
  }

  public void testRotateIndexed() {

  public void testToOptionalMany() {
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> Stream.of(1, 2, 3, 4, 5, 6).collect(toOptional()));
    assertThat(expected).hasMessageThat().contains("1, 2, 3, 4, 5, ...");
  }

  public void testOnlyElement() {
    assertThrows(NoSuchElementException.class, () -> Stream.empty().collect(onlyElement()));
  }

    testRotate(new char[] {'1', '2', '3', '4', '5'}, -3, new char[] {'4', '5', '1', '2', '3'});
    testRotate(new char[] {'1', '2', '3', '4', '5'}, -1, new char[] {'2', '3', '4', '5', '1'});
    testRotate(new char[] {'1', '2', '3', '4', '5'}, 0, new char[] {'1', '2', '3', '4', '5'});
    testRotate(new char[] {'1', '2', '3', '4', '5'}, 1, new char[] {'5', '1', '2', '3', '4'});

    testRotate(new double[] {1, 2, 3, 4, 5}, -1, new double[] {2, 3, 4, 5, 1});
    testRotate(new double[] {1, 2, 3, 4, 5}, 0, new double[] {1, 2, 3, 4, 5});
    testRotate(new double[] {1, 2, 3, 4, 5}, 1, new double[] {5, 1, 2, 3, 4});
    testRotate(new double[] {1, 2, 3, 4, 5}, 3, new double[] {3, 4, 5, 1, 2});
    testRotate(new double[] {1, 2, 3, 4, 5}, 4, new double[] {2, 3, 4, 5, 1});

    testRotate(new short[] {1, 2, 3, 4, 5}, 0, new short[] {1, 2, 3, 4, 5});
    testRotate(new short[] {1, 2, 3, 4, 5}, 1, new short[] {5, 1, 2, 3, 4});
    testRotate(new short[] {1, 2, 3, 4, 5}, 3, new short[] {3, 4, 5, 1, 2});
    testRotate(new short[] {1, 2, 3, 4, 5}, 4, new short[] {2, 3, 4, 5, 1});
    testRotate(new short[] {1, 2, 3, 4, 5}, 6, new short[] {5, 1, 2, 3, 4});
  }

    testRotate(new int[] {1, 2, 3, 4}, 5, new int[] {4, 1, 2, 3});
    testRotate(new int[] {1, 2, 3, 4}, 9, new int[] {4, 1, 2, 3});

    testRotate(new int[] {1, 2, 3, 4, 5}, -6, new int[] {2, 3, 4, 5, 1});
    testRotate(new int[] {1, 2, 3, 4, 5}, -4, new int[] {5, 1, 2, 3, 4});
    testRotate(new int[] {1, 2, 3, 4, 5}, -3, new int[] {4, 5, 1, 2, 3});
    testRotate(new int[] {1, 2, 3, 4, 5}, -1, new int[] {2, 3, 4, 5, 1});

/**
 * Benchmark for {@code LocalCache.Segment.removeEntryFromChain}.
 *
 * @author Charles Fry
 */
@SuppressWarnings("CheckReturnValue")
@NullUnmarked
public class ChainBenchmark {

  @Param({"1", "2", "3", "4", "5", "6"})
  int length;

  private Segment<Object, Object> segment;
  private ReferenceEntry<Object, Object> head;
  private @Nullable ReferenceEntry<Object, Object> chain;

  @SuppressWarnings("GuardedBy")

    assertEquals(asList(1, 2, 3, 4, 5, 6), Lists.newArrayList(result));
    assertEquals("[1, 2, 3, 4, 5, 6]", result.toString());

    result = FluentIterable.<Integer>from(asList(1, 2, 3)).append(4, 5, 6);
    assertEquals(asList(1, 2, 3, 4, 5, 6), Lists.newArrayList(result));
    assertEquals("[1, 2, 3, 4, 5, 6]", result.toString());
  }

  public void testAppend_toEmpty() {

	}, {
		header:  &Header{ChangeTime: time.Unix(123, 456)},
		paxHdrs: map[string]string{paxCtime: "123.000000456"},
		formats: FormatPAX | FormatGNU,
	}, {
		header:  &Header{ChangeTime: time.Unix(123, 456), Format: FormatUSTAR},
		paxHdrs: map[string]string{paxCtime: "123.000000456"},
		formats: FormatUnknown,
	}, {
		header:  &Header{ChangeTime: time.Unix(123, 456), Format: FormatGNU},

    assertEquals("a:00;00:b", j.useForNull("00").join(mapWithNulls));

    StringBuilder sb = new StringBuilder();
    j.appendTo(sb, ImmutableMap.of(1, 2, 3, 4, 5, 6));
    assertEquals("1:2;3:4;5:6", sb.toString());
  }

  public void testEntries() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMultimap.of().entries()));