// Then
        assertEquals(value, decoded);
        assertEquals(0xF0, buffer[0] & 0xFF);
        assertEquals(0xDE, buffer[1] & 0xFF);
        assertEquals(0xBC, buffer[2] & 0xFF);
        assertEquals(0x9A, buffer[3] & 0xFF);
    }

    @Test
    @DisplayName("Should handle big endian encoding/decoding")
    void testBigEndianOperations() {
        // Given
        int value = 0x12345678;

    }

    @Test
    public void testReadLong() throws IOException {
        // Little-endian 0x123456789ABCDEF0 -> 0xF0 0xDE 0xBC 0x9A 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { (byte) 0xF0, (byte) 0xDE, (byte) 0xBC, (byte) 0x9A, 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0x123456789ABCDEF0L, pdis.readLong());
    }

    @Test

    }

    @Test
    void testReadInt8() {
        byte[] src = new byte[] {
                // 0x123456789ABCDEF0L
                (byte) 0xF0, (byte) 0xDE, (byte) 0xBC, (byte) 0x9A, (byte) 0x78, (byte) 0x56, (byte) 0x34, (byte) 0x12,
                // 0xFFFFFFFFFFFFFFFFL
                (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,

  }

  private static final String[] BAD_TRY_PARSE_INPUTS = {
    "",
    "+-",
    "+-0",
    " 5",
    "32 ",
    " 55 ",
    "infinity",
    "POSITIVE_INFINITY",
    "0x9A",
    "0x9A.bE-5",
    ".",
    ".e5",
    "NaNd",
    "InfinityF"
  };

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseFailures() {
    for (String badInput : BAD_TRY_PARSE_INPUTS) {

  }

  private static final String[] BAD_TRY_PARSE_INPUTS = {
    "",
    "+-",
    "+-0",
    " 5",
    "32 ",
    " 55 ",
    "infinity",
    "POSITIVE_INFINITY",
    "0x9A",
    "0x9A.bE-5",
    ".",
    ".e5",
    "NaNd",
    "InfinityF"
  };

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseFailures() {
    for (String badInput : BAD_TRY_PARSE_INPUTS) {

  }

  private static final String[] BAD_TRY_PARSE_INPUTS = {
    "",
    "+-",
    "+-0",
    " 5",
    "32 ",
    " 55 ",
    "infinity",
    "POSITIVE_INFINITY",
    "0x9A",
    "0x9A.bE-5",
    ".",
    ".e5",
    "NaNd",
    "InfinityF"
  };

  @GwtIncompatible // Floats.tryParse
  public void testTryParseFailures() {
    for (String badInput : BAD_TRY_PARSE_INPUTS) {

  }

  private static final String[] BAD_TRY_PARSE_INPUTS = {
    "",
    "+-",
    "+-0",
    " 5",
    "32 ",
    " 55 ",
    "infinity",
    "POSITIVE_INFINITY",
    "0x9A",
    "0x9A.bE-5",
    ".",
    ".e5",
    "NaNd",
    "InfinityF"
  };

  @GwtIncompatible // Floats.tryParse
  public void testTryParseFailures() {
    for (String badInput : BAD_TRY_PARSE_INPUTS) {

              0x0123456789abcdefL, // asInt/asLong as above, due to equal eight first bytes
              "efcdab89674523010102030405060708"),
          new ExpectedHashCode(
              new byte[] {(byte) 0xdf, (byte) 0x9b, (byte) 0x57, (byte) 0x13},
              0x13579bdf,
              null,
              "df9b5713"),
          new ExpectedHashCode(
              new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00},

              0x0123456789abcdefL, // asInt/asLong as above, due to equal eight first bytes
              "efcdab89674523010102030405060708"),
          new ExpectedHashCode(
              new byte[] {(byte) 0xdf, (byte) 0x9b, (byte) 0x57, (byte) 0x13},
              0x13579bdf,
              null,
              "df9b5713"),
          new ExpectedHashCode(
              new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00},

        } else if (userFriendly.matches("(?i)(?:French|Latin|Western.*European)")) {
          // Mostly 1-byte UTF-8 sequences, mixed with occasional 2-byte
          // sequences - "Western European" text
          return 0x90;
        } else if (userFriendly.matches("(?i)(?:Branch.*Prediction.*Hostile)")) {
          // Defeat branch predictor for: c < 0x80 ; branch taken 50% of the time.
          return 0x100;