byte[] asciiBytes = msg.getBytes(SmbConstants.DEFAULT_OEM_ENCODING);
        assertTrue(asciiBytes.length > 0, "ASCII encoding should produce bytes");
    }

    @Test
    public void testBufferCreation() throws UnsupportedEncodingException {
        byte[] dataBytes = { 1, 2, 3, 4 };
        String params = "test";
        byte[] buffer = createBuffer(10, dataBytes, params);

        // Verify buffer structure