assertBytes(0xe0 or 31, 154, 10)
  }

  @Test
  fun max31BitValue() {
    hpackWriter!!.writeInt(0x7fffffff, 31, 0)
    assertBytes(31, 224, 255, 255, 255, 7)
    assertThat(newReader(byteStream(224, 255, 255, 255, 7)).readInt(31, 31))
      .isEqualTo(0x7fffffff)
  }

  @Test
  fun prefixMask() {
    hpackWriter!!.writeInt(31, 31, 0)
    assertBytes(31, 0)