assertThat(iterationOrder(ADAPTER.preOrderTraversal(h))).isEqualTo("hdabcegf");
  }

  public void testPostOrder() {
    assertThat(iterationOrder(ADAPTER.postOrderTraversal(h))).isEqualTo("abcdefgh");
  }

  public void testBreadthOrder() {
    assertThat(iterationOrder(ADAPTER.breadthFirstTraversal(h))).isEqualTo("hdegabcf");
  }

  public void testUsing() {

 *
 * <pre>{@code
 *        h
 *      / | \
 *     /  e  \
 *    d       g
 *   /|\      |
 *  / | \     f
 * a  b  c
 * }</pre>
 *
 * <p>can be iterated over in preorder (hdabcegf), postorder (abcdefgh), or breadth-first order
 * (hdegabcf).
 *
 * <p>Null nodes are strictly forbidden.
 *
 * <p>Because this is an abstract class, not an interface, you can't use a lambda expression to
 * implement it:
 *

    //     the smaller of these blocks with the far end of the other one. That leaves us with a
    //     smaller version of the same problem.
    //     Say we are rotating abcdefgh by 5. We start with abcde|fgh. The smaller block is [fgh]:
    //     [abc]de|[fgh] -> [fgh]de|[abc]. Now [fgh] is in the right place, but we need to swap [de]

        }
      },
    )
  }

  @Test fun goAwayWithDebugDataRoundTrip() {
    val expectedError = ErrorCode.PROTOCOL_ERROR
    val expectedData: ByteString = "abcdefgh".encodeUtf8()

    // Compose the expected GOAWAY frame without debug data.
    writeMedium(frame, 8 + expectedData.size)
    frame.writeByte(TYPE_GOAWAY)
    frame.writeByte(FLAG_NONE)

// that the file has no data in it, which is rather odd.
//
// As an example, if the underlying raw file contains the 10-byte data:
//
//	var compactFile = "abcdefgh"
//
// And the sparse map has the following entries:
//
//	var spd sparseDatas = []sparseEntry{
//		{Offset: 2,  Length: 5},  // Data fragment for 2..6
//		{Offset: 18, Length: 3},  // Data fragment for 18..20

  @Test
  fun inputStreamAvailableWithNoLengthHeaders() {
    testInputStreamAvailable(TransferKind.END_OF_STREAM)
  }

  private fun testInputStreamAvailable(transferKind: TransferKind) {
    val body = "ABCDEFGH"
    val builder = MockResponse.Builder()
    transferKind.setBody(builder, body, 4)
    server.enqueue(builder.build())
    val response = getResponse(newRequest("/"))