byte[] emptyBuffer = new byte[100];
            byte[] fullBuffer = new byte[100];
            for (int i = 0; i < fullBuffer.length; i++) {
                fullBuffer[i] = (byte) i;
            }

            assertEquals(0, echoRequest.readBytesWireFormat(emptyBuffer, 0));
            assertEquals(0, echoRequest.readBytesWireFormat(fullBuffer, 50));
        }

        @Test

        void testReadDataWireFormatWithOffset() {
            byte[] fullBuffer = new byte[200];
            byte[] dfsData = createValidDfsReferralBuffer();
            int offset = 50;
            System.arraycopy(dfsData, 0, fullBuffer, offset, dfsData.length);

            int bytesRead = response.readDataWireFormat(fullBuffer, offset, dfsData.length);

            assertTrue(bytesRead > 0);

    require(length < bytesOut.size - lastFrame.start)

    // Move everything from bytesOut into a new buffer.
    val fullBuffer = Buffer()
    bytesOut.read(fullBuffer, bytesOut.size)

    // Copy back all but what we're truncating.
    fullBuffer.read(bytesOut, lastFrame.start + length)
    outFrames.add(OutFrame(lastFrame.sequence, lastFrame.start, true))
    return writer
  }

        int startIndex = 10;

        // Prepare buffer with offset
        byte[] fullBuffer = new byte[buffer.length + startIndex];
        System.arraycopy(buffer, 0, fullBuffer, startIndex, buffer.length);

        setErrorCode(response, 0);

        int bytesRead = response.readDataWireFormat(fullBuffer, startIndex, buffer.length);

        // Verify the method returns the correct number of bytes read

        // Various buffer contents
        byte[] emptyBuffer = new byte[256];
        byte[] fullBuffer = createTestData(256);

        // When
        int emptyRead = request.readBytesWireFormat(emptyBuffer, 0);
        int fullRead = request.readBytesWireFormat(fullBuffer, 50);

        // Then - always returns 0 as this is a request, not response
        assertEquals(0, emptyRead);

        // Given - Various invalid buffers
        byte[] nullBuffer = null;
        byte[] wrongSizeBuffer = new byte[100]; // Wrong size
        byte[] correctBuffer = new byte[SmbComTransaction.TRANSACTION_BUF_SIZE];

        // When/Then - Should handle invalid buffers gracefully
        assertDoesNotThrow(() -> {
            BufferCache.releaseBuffer(nullBuffer); // Should ignore null

		}
		if e != ErrBufferFull { // unexpected error
			err = e
			break
		}

		// Make a copy of the buffer.
		buf := bytes.Clone(frag)
		fullBuffers = append(fullBuffers, buf)
		totalLen += len(buf)
	}

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

// ReadBytes reads until the first occurrence of delim in the input,