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 testEntrySetEquals() {

  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 testEntrySetEquals() {

      sink.writeByte(0)
      sink.flush()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream finished")
    }
    assertFailsWith<IOException> {
      stream.source.read(Buffer(), 1)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream was reset: CANCEL")
    }

    // Verify the peer received what was expected.
    val synStream = peer.takeFrame()

    assertEquals(
        "put(present, value) should return the associated value",
        getValueForNullKey(),
        put(newEntry));

    Entry<K, V>[] expected = createArrayWithNullKey();
    expected[getNullLocation()] = newEntry;
    expectContents(expected);
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS)
  public void testPut_nullKeyUnsupported() {

    ArithmeticException expected =
        assertThrows(
            ArithmeticException.class,
            () -> MathPreconditions.checkInRangeForRoundingInputs(false, 1.0, RoundingMode.UP));
    // b/38490623: The string contains "1.0" under most environment but just "1" under J2CL.
    assertThat(expected).hasMessageThat().contains("1");
    assertThat(expected).hasMessageThat().contains("UP");
  }

   *
   * @param elements expected additional contents of {@link #container}
   */
  protected final void expectAdded(E... elements) {
    List<E> expected = copyToList(getSampleElements());
    expected.addAll(asList(elements));
    expectContents(expected);
  }

  protected final void expectAdded(int index, E... elements) {

    assertEquals(
        /* expected= */ LongMath.sqrt(Long.MAX_VALUE, FLOOR),
        /* actual= */ LongMath.FLOOR_SQRT_MAX_LONG);
  }

  @GwtIncompatible // TODO
  public void testConstantsFactorials() {
    long expected = 1;
    for (int i = 0; i < LongMath.factorials.length; i++, expected *= i) {
      assertEquals(expected, LongMath.factorials[i]);
    }
    assertThrows(

        collection.toArray(array));
  }

  private static void expectArrayContentsAnyOrder(Object[] expected, Object[] actual) {
    assertEqualIgnoringOrder(asList(expected), asList(actual));
  }

  private void expectArrayContentsInOrder(List<E> expected, Object[] actual) {
    assertEquals("toArray() ordered contents: ", expected, asList(actual));
  }

  /**

    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> range.intersection(Range.open(3, 5)));
    assertThat(expected).hasMessageThat().contains("connected");
    expected =
        assertThrows(IllegalArgumentException.class, () -> range.intersection(Range.closed(0, 2)));
    assertThat(expected).hasMessageThat().contains("connected");
  }

    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] b = new byte[3];
    in.readFully(b);
    byte[] expected = {(byte) 0xAA, (byte) 0xBB, (byte) 0xCC};
    assertEquals(expected, b);
  }

  public void testWriteChars() throws IOException {

    /* Write out various test values in LITTLE ENDIAN FORMAT */
    out.writeChars("r\u00C9sum\u00C9");