target.add(4);
        C addThenFilter = filter(createUnfiltered(target), EVEN);

        assertThat(filterThenAdd).containsExactlyElementsIn(addThenFilter);
      }
    }

    public void testAdd() {
      for (List<Integer> contents : SAMPLE_INPUTS) {
        for (int toAdd = 0; toAdd < 10; toAdd++) {
          boolean expectedResult = createUnfiltered(contents).add(toAdd);

        assertThat(list.getLast(), is("1"));
        list.getLastEntry().remove();
        assertThat(list.size(), is(0));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testAdd() throws Exception {
        list.addLast("1");
        list.addLast("2");
        list.addLast("3");
        list.add(1, "4");
        assertThat(list.get(1), is("4"));
        assertThat(list.get(2), is("2"));

  }

  public void testOf4() {
    assertThat(ImmutableLongArray.of(0, 1, 3, 6).asList())
        .containsExactly(0L, 1L, 3L, 6L)
        .inOrder();
  }

  public void testOf5() {
    assertThat(ImmutableLongArray.of(0, 1, 3, 6, 10).asList())
        .containsExactly(0L, 1L, 3L, 6L, 10L)
        .inOrder();
  }

  public void testOf6() {

        .addEqualityGroup(EnumBiMap.create(ImmutableMap.of(Currency.FRANC, Country.CANADA)))
        .testEquals();
  }

  /* Remaining behavior tested by AbstractBiMapTest. */

    FORBIDDEN,

    /** Hostnames that contain this character are encoded with punycode.  */
    PUNYCODE,

    /** This code point is special and should not be tested.  */
    SKIP,

    ;

    open fun encode(codePoint: Int): String = throw UnsupportedOperationException()
  }

  enum class Component {
    USER {

        .addEqualityGroup(EnumBiMap.create(ImmutableMap.of(Currency.FRANC, Country.CANADA)))
        .testEquals();
  }

  /* Remaining behavior tested by AbstractBiMapTest. */

  public void testLog2MatchesBigInteger() {
    for (long x : POSITIVE_LONG_CANDIDATES) {
      for (RoundingMode mode : ALL_SAFE_ROUNDING_MODES) {
        // The BigInteger implementation is tested separately, use it as the reference.
        assertEquals(BigIntegerMath.log2(valueOf(x), mode), LongMath.log2(x, mode));
      }
    }
  }

  /* Relies on the correctness of isPowerOfTwo(long). */

@GwtIncompatible
@J2ktIncompatible
@NullMarked
public final class ForwardingWrapperTester {

  private boolean testsEquals = false;

  /**
   * Asks for {@link Object#equals} and {@link Object#hashCode} to be tested. That is, forwarding
   * wrappers of equal instances should be equal.
   */
  @CanIgnoreReturnValue
  public ForwardingWrapperTester includingEquals() {
    this.testsEquals = true;
    return this;
  }

     * declare any methods in this enum, converting assertFailsToDecode into a static method that is
     * implemented with a `switch`. I haven't tested that.)
     */
    @GwtIncompatible // decodingStream(Reader)
    DECODING_STREAM {
      @Override
      void assertFailsToDecode(

      for (int i = 0; i < expected.length; i++) {
        assertEquals(expected[i], got[i]);
      }
    }
  }

  // Assumes that AbstractNonStreamingHashFunction works properly (must be tested elsewhere!)
  private static class Control extends AbstractNonStreamingHashFunction {
    @Override
    public HashCode hashBytes(byte[] input, int off, int len) {