assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 1).isEmpty()).isTrue();
    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 2).isEmpty()).isFalse();
  }

  public void testGet_good() {
    ImmutableLongArray iia = ImmutableLongArray.of(0, 1, 3);
    assertThat(iia.get(0)).isEqualTo(0L);
    assertThat(iia.get(2)).isEqualTo(3L);
    assertThat(iia.subArray(1, 3).get(1)).isEqualTo(3L);
  }

    assertThat(ImmutableDoubleArray.of(0, 1, 3).subArray(1, 1).isEmpty()).isTrue();
    assertThat(ImmutableDoubleArray.of(0, 1, 3).subArray(1, 2).isEmpty()).isFalse();
  }

  public void testGet_good() {
    ImmutableDoubleArray iia = ImmutableDoubleArray.of(0, 1, 3);
    assertThat(iia.get(0)).isEqualTo(0.0);
    assertThat(iia.get(2)).isEqualTo(3.0);
    assertThat(iia.subArray(1, 3).get(1)).isEqualTo(3.0);
  }

    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 1).isEmpty()).isTrue();
    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 2).isEmpty()).isFalse();
  }

  public void testGet_good() {
    ImmutableLongArray iia = ImmutableLongArray.of(0, 1, 3);
    assertThat(iia.get(0)).isEqualTo(0L);
    assertThat(iia.get(2)).isEqualTo(3L);
    assertThat(iia.subArray(1, 3).get(1)).isEqualTo(3L);
  }