FLAGS[FLAG_PADDED] = "PADDED"
    for (prefixFlag in prefixFlags) {
      FLAGS[prefixFlag or FLAG_PADDED] = FLAGS[prefixFlag] + "|PADDED"
    }

    FLAGS[FLAG_END_HEADERS] = "END_HEADERS" // Same as END_PUSH_PROMISE.
    FLAGS[FLAG_PRIORITY] = "PRIORITY" // Same as FLAG_COMPRESSED.
    FLAGS[FLAG_END_HEADERS or FLAG_PRIORITY] = "END_HEADERS|PRIORITY" // Only valid on HEADERS.

      .isEqualTo("<< 0x00000003 10000 CONTINUATION  END_HEADERS")
    assertThat(frameLog(true, 4, 10000, TYPE_PUSH_PROMISE, 0x4))
      .isEqualTo("<< 0x00000004 10000 PUSH_PROMISE  END_PUSH_PROMISE")
  }

  @Test
  fun flagOverlapOn0x20() {
    assertThat(frameLog(true, 3, 10000, TYPE_HEADERS, 0x20))
      .isEqualTo("<< 0x00000003 10000 HEADERS       PRIORITY")