hasher.putLong(0x0807060504030201L);
    hasher.assertBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
  }

  public void testChar() {
    TestHasher hasher = new TestHasher();
    hasher.putChar((char) 0x0201);
    hasher.assertBytes(new byte[] {1, 2});
  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];

      Headers
        .Builder()
        .addUnsafeNonAscii("héader1", "value1")
        .build()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected char 0xe9 at 1 in header name: héader1")
    }
  }

  @Test fun addUnsafeNonAsciiAcceptsUnicodeValue() {
    val headers =
      Headers
        .Builder()
        .addUnsafeNonAscii("header1", "valué1")

      public Hasher putBoolean(boolean b) {
        for (Hasher hasher : hashers) {
          hasher.putBoolean(b);
        }
        return this;
      }

      @Override
      public Hasher putChar(char c) {
        for (Hasher hasher : hashers) {
          hasher.putChar(c);
        }
        return this;
      }

      @Override
      public Hasher putUnencodedChars(CharSequence chars) {

    }

    @Override
    public Hasher putLong(long l) {
      ensureCapacity(Long.BYTES);
      buffer.putLong(l);
      return this;
    }

    @Override
    public Hasher putChar(char c) {
      ensureCapacity(Character.BYTES);
      buffer.putChar(c);
      return this;
    }

    @Override
    public HashCode hash() {
      return hashBytes(buffer.array(), 0, buffer.position());

        this.messageBuilderFactory = messageBuilderFactory;
        this.terminalWidth = terminalWidth;
    }

    private static String chars(char c, int count) {
        return String.valueOf(c).repeat(Math.max(0, count));
    }

    private void infoLine(char c) {
        infoMain(chars(c, lineLength));
    }

    private void infoMain(String msg) {
        logger.info(builder().strong(msg).toString());
    }

  public Hasher putLong(long l) {
    ByteBuffer scratch = scratch();
    scratch.putLong(l);
    return update(scratch, Longs.BYTES);
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putChar(char c) {
    ByteBuffer scratch = scratch();
    scratch.putChar(c);
    return update(scratch, Chars.BYTES);
  }

  private ByteBuffer scratch() {
    if (scratch == null) {

  static final ImmutableMap<String, String> TEST_STRINGS =
      ImmutableMap.<String, String>builder()
          .put("empty", "")
          .put("1 char", "0")
          .put("1 word", "hello")
          .put("2 words", "hello world")
          .put("\\n line break", "hello\nworld")
          .put("\\r line break", "hello\rworld")

      int ch1 = decode(string.charAt(i)) << 4;
      int ch2 = decode(string.charAt(i + 1));
      bytes[i / 2] = (byte) (ch1 + ch2);
    }
    return fromBytesNoCopy(bytes);
  }

  private static int decode(char ch) {
    if (ch >= '0' && ch <= '9') {
      return ch - '0';
    }
    if (ch >= 'a' && ch <= 'f') {
      return ch - 'a' + 10;
    }

        session.setLocalRepositoryManager(new SimpleLocalRepositoryManagerFactory().newInstance(session, localRepo));
        return session;
    }

    private static final char[] HEX_CODE = "0123456789ABCDEF".toCharArray();

    private static String printHexBinary(byte[] data) {
        StringBuilder r = new StringBuilder(data.length * 2);
        for (byte b : data) {

        radix);
    if (x == 0) {
      // Simply return "0"
      return "0";
    } else if (x > 0) {
      return Long.toString(x, radix);
    } else {
      char[] buf = new char[64];
      int i = buf.length;
      if ((radix & (radix - 1)) == 0) {
        // Radix is a power of two so we can avoid division.
        int shift = Integer.numberOfTrailingZeros(radix);