val adapter = Adapters.INTEGER_AS_LONG.asSequenceOf()
    assertThat(adapter.fromDer(bytes)).isEqualTo(sequenceOf)
    assertThat(adapter.toDer(sequenceOf)).isEqualTo(bytes)
  }

  @Test fun `point with only x set`() {
    val bytes = "3003800109".decodeHex()
    val point = Point(9L, null)
    assertThat(Point.ADAPTER.fromDer(bytes)).isEqualTo(point)
    assertThat(Point.ADAPTER.toDer(point)).isEqualTo(bytes)
  }