Crawler.Options options = new Crawler.Options();
        options.dataConfigIds = "data1,data2,data3,data4";

        List<String> result = options.getDataConfigIdList();
        assertNotNull(result);
        assertEquals(4, result.size());
        assertTrue(result.contains("data1"));
        assertTrue(result.contains("data2"));
        assertTrue(result.contains("data3"));
        assertTrue(result.contains("data4"));

    void multipleMessagesAreReadSequentially() throws IOException {
        // Create two messages
        byte[] data1 = new byte[] { 1, 2 };
        byte[] data2 = new byte[] { 3, 4, 5 };
        byte[] fullData = concat(messageHeader(2), data1, messageHeader(3), data2);
        InputStream in = new ByteArrayInputStream(fullData);
        SocketInputStream sis = new SocketInputStream(in);

        // Read first message

    assertThat(data1.streamId).isEqualTo(3)
    assertArrayEquals("abcde".toByteArray(), data1.data)
    val data2 = peer.takeFrame()
    assertThat(data2.type).isEqualTo(Http2.TYPE_DATA)
    assertThat(data2.streamId).isEqualTo(3)
    assertArrayEquals("fghi".toByteArray(), data2.data)
  }

  /**
   * Confirm that we account for discarded data frames. It's possible that data frames are in-flight

pkg syscall (windows-386), type AddrinfoW struct, Socktype int32
pkg syscall (windows-386), type GUID struct
pkg syscall (windows-386), type GUID struct, Data1 uint32
pkg syscall (windows-386), type GUID struct, Data2 uint16
pkg syscall (windows-386), type GUID struct, Data3 uint16
pkg syscall (windows-386), type GUID struct, Data4 [8]uint8
pkg syscall (windows-386), type RawSockaddrInet6 struct, Family uint16