bb.putShort((short) 0); // pathConsumed (will be divided by 2)
            bb.putShort((short) 0); // numReferrals
            bb.putShort((short) 0); // tflags
            bb.putShort((short) 0); // tflags high bytes (skipped in decode)

            int bytesDecoded = buffer.decode(testBuffer, 0, testBuffer.length);

            assertEquals(8, bytesDecoded);
            assertEquals(0, buffer.getPathConsumed());

		t.Fatalf("got %d bytes left in bufio.Reader source; want 0 bytes", n)
	}
	// To prove the point, check that there are still 5 bytes available to read.
	if n := r.Buffered(); n != 5 {
		t.Fatalf("got %d bytes buffered in bufio.Reader; want 5 bytes", n)
	}

	// This is the second read of 0 bytes.
	read, err = r.Read([]byte{})
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if read != 0 {

        int bytesWritten = notifyChange.writeSetupWireFormat(dst, dstIndex);

        // Should write 8 bytes total
        assertEquals(8, bytesWritten);

        // Verify completion filter (4 bytes)
        assertEquals(completionFilter, SMBUtil.readInt4(dst, dstIndex));

        // Verify FID (2 bytes)
        assertEquals(fid, SMBUtil.readInt2(dst, dstIndex + 4));

        // Verify watchTree flag (1 byte)

package jstream

import (
	"unicode/utf8"
)

type scratch struct {
	data []byte
	fill int
}

// reset scratch buffer
func (s *scratch) reset() { s.fill = 0 }

// bytes returns the written contents of scratch buffer
func (s *scratch) bytes() []byte { return s.data[0:s.fill] }

// grow scratch buffer
func (s *scratch) grow() {
	ndata := make([]byte, cap(s.data)*2)
	copy(ndata, s.data)
	s.data = ndata
}

            // Structure Size (2 bytes) - must be 60
            SMBUtil.writeInt2(60, buffer, bufferIndex);
            // Flags (2 bytes)
            SMBUtil.writeInt2(SMB2_CLOSE_FLAG_POSTQUERY_ATTIB, buffer, bufferIndex + 2);
            // Reserved (4 bytes)
            SMBUtil.writeInt4(0, buffer, bufferIndex + 4);
            // Creation Time (8 bytes)

        // status (2 bytes)
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        // converter (2 bytes)
        SMBUtil.writeInt2(100, buffer, bufferIndex);
        bufferIndex += 2;
        // numEntries (2 bytes)
        SMBUtil.writeInt2(3, buffer, bufferIndex);
        bufferIndex += 2;
        // totalAvailableEntries (2 bytes)

                /*
                 * The SMB_COM_NT_CREATE_ANDX response wordCount is wrong. There's an
                 * extra 16 bytes for some "Offline Files (CSC or Client Side Caching)"
                 * junk. We need to bump up the wordCount here so that this method returns
                 * the correct number of bytes for signing purposes. Otherwise we get a
                 * signing verification failure.
                 */

	prevRune int   // index of previous rune; or < 0
}

// Len returns the number of bytes of the unread portion of the
// slice.
func (r *Reader) Len() int {
	if r.i >= int64(len(r.s)) {
		return 0
	}
	return int(int64(len(r.s)) - r.i)
}

// Size returns the original length of the underlying byte slice.
// Size is the number of bytes available for reading via [Reader.ReadAt].

     *
     * @throws IOException if an I/O error occurs
     */
    @Test
    void testConstructorWithMissingApplicationTag() throws IOException {
        // Create inner content with OID and magic bytes but wrong tag after
        ByteArrayOutputStream innerContent = new ByteArrayOutputStream();
        ASN1ObjectIdentifier kerberosOid = new ASN1ObjectIdentifier(KerberosConstants.KERBEROS_OID);

                Arguments.of("Man".getBytes(), "TWFu"), // 3 bytes, no padding
                Arguments.of(new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00 }, "AAAA"), // all zeros
                Arguments.of(new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff }, "////")) // all 0xFF bytes
        ;
    }

    @ParameterizedTest(name = "encode({1}) -> {2}")
    @MethodSource("encodeProvider")