assertFile(Relay.PREFIX_CLEAN, 10L, metadata.size, "abcdefghij", metadata)
  }

  @Test
  fun readFromFile() {
    val upstream = Buffer()
    upstream.writeUtf8("abcdefghijklmnopqrst")
    val relay = edit(file, upstream, metadata, 5)
    val source1 = relay.newSource()!!.buffer()
    val source2 = relay.newSource()!!.buffer()
    assertThat(source1.readUtf8(10)).isEqualTo("abcdefghij")

            // Read next chunk
            bytesRead = in.read(buffer);
            assertEquals(10, bytesRead, "Should read next chunk");
            assertEquals("ABCDEFGHIJ", new String(buffer, 0, bytesRead, "UTF-8"));
        }
    }

    @Test
    void testZeroByteFile() throws Exception {
        // Test handling of zero-byte files

    assertThat(peer.takeFrame().type).isEqualTo(Http2.TYPE_HEADERS)
    val data = peer.takeFrame()
    assertThat(data.type).isEqualTo(Http2.TYPE_DATA)
    assertArrayEquals("abcdefghij".toByteArray(), data.data)
    assertThat(data.inFinished).isTrue()
  }

  @Test fun headers() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK