var commaFound = false
  loop@ while (!exhausted()) {
    when (this[0]) {
      ','.code.toByte() -> {
        // Consume ','.
        readByte()
        commaFound = true
      }

      ' '.code.toByte(), '\t'.code.toByte() -> {
        readByte()
        // Consume space or tab.
      }

      else -> {
        break@loop
      }
    }
  }
  return commaFound
}

      when (select(optionsDot)) {
        DELIMITER_DOT -> {
          if (readByte() != '.'.code.toByte()) throw IOException("expected '..'")
          readHexadecimalUnsignedLong()
        }

        else -> {
          sourceCodePoint0
        }
      }

    skipWhitespace()
    if (readByte() != ';'.code.toByte()) throw IOException("expected ';'")

    // "valid" or "mapped"

	}

	// after successful read
	if _, err := b.ReadBytes('m'); err != nil {
		t.Fatalf("ReadBytes: %v", err)
	}
	if err := b.UnreadByte(); err != nil {
		t.Fatalf("UnreadByte: %v", err)
	}
	c, err := b.ReadByte()
	if err != nil {
		t.Fatalf("ReadByte: %v", err)
	}
	if c != 'm' {
		t.Errorf("ReadByte = %q; want %q", c, 'm')
	}
}

          dynamicTable[index] = entry
        }
        dynamicTableByteCount += delta
      }

      @Throws(IOException::class)
      private fun readByte(): Int = source.readByte() and 0xff

      @Throws(IOException::class)
      fun readInt(
        firstByte: Int,
        prefixMask: Int,
      ): Int {
        val prefix = firstByte and prefixMask

    v1Creator.setString(1, "BBbb")
    v1Creator.commit()

    cache["k1"]!!.use { snapshot1 ->
      val inV1 = snapshot1.getSource(0).buffer()
      assertThat(inV1.readByte()).isEqualTo('A'.code.toByte())
      assertThat(inV1.readByte()).isEqualTo('A'.code.toByte())

      val v1Updater = cache.edit("k1")!!
      v1Updater.setString(0, "CCcc")
      v1Updater.setString(1, "DDdd")
      v1Updater.commit()

  public void testNewDataInput_readByte() {
    ByteArrayDataInput in = ByteStreams.newDataInput(bytes);
    for (byte aByte : bytes) {
      assertEquals(aByte, in.readByte());
    }
    IllegalStateException expected = assertThrows(IllegalStateException.class, in::readByte);
    assertThat(expected).hasCauseThat().isInstanceOf(EOFException.class);
  }

  public void testNewDataInput_readUnsignedByte() {

        if (read(tmp, 0, 1) < 0) {
            throw new SmbException("EOF");
        }
        return tmp[0] != (byte) 0x00;
    }

    @Override
    public final byte readByte() throws SmbException {
        if (read(tmp, 0, 1) < 0) {
            throw new SmbException("EOF");
        }
        return tmp[0];
    }

    @Override

        raf.setLength(0L);

        verify(tree, times(1)).send(any(SmbComWrite.class), any(SmbComWriteResponse.class), eq(RequestParam.NO_RETRY));
    }

    @Test
    @DisplayName("readBoolean/readByte/readUnsignedByte: decode 1-byte values")
    void read_oneByteVariants() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));

	totalLen += len(frag)
	return fullBuffers, frag, totalLen, err
}

// ReadBytes reads until the first occurrence of delim in the input,
// returning a slice containing the data up to and including the delimiter.
// If ReadBytes encounters an error before finding a delimiter,
// it returns the data read before the error and the error itself (often io.EOF).
// ReadBytes returns err != nil if and only if the returned data does not end in
// delim.

        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
        PacDataInputStream pdis = createInputStream(data);
        pdis.readByte(); // position is 1
        pdis.align(4);
        assertEquals(1, pdis.available());
        assertEquals(0x05, pdis.readByte());

        // Test no alignment needed
        pdis = createInputStream(new byte[] { 0x01, 0x02, 0x03, 0x04 });
        pdis.readInt(); // position is 4