assertActuallyTrims(underSized);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization() {
    assertThat(reserialize(ImmutableDoubleArray.of())).isSameInstanceAs(ImmutableDoubleArray.of());
    assertThat(reserialize(ImmutableDoubleArray.of(0, 1).subArray(1, 1)))

    assertActuallyTrims(underSized);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization() {
    assertThat(reserialize(ImmutableDoubleArray.of())).isSameInstanceAs(ImmutableDoubleArray.of());
    assertThat(reserialize(ImmutableDoubleArray.of(0, 1).subArray(1, 1)))

      assertEquals(alternatingKeysAndValues[i++], entry.getValue());
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization() {
    Multimap<String, Integer> multimap = createMultimap();
    SerializableTester.reserializeAndAssert(multimap);
    assertEquals(multimap.size(), SerializableTester.reserialize(multimap).size());