if (LogStream.level > 1) {
                uee.printStackTrace(log);
            }
        }
        return str;
    }

    String readString(final byte[] src, int srcIndex, final int srcEnd, final int maxLen, final boolean useUnicode) {
        int len = 0;
        String str = null;
        try {
            if (useUnicode) {
                // Unicode requires word alignment

            String result = testBlock.readString(buffer, 2);

            assertEquals("Test", result);
        }

        @Test
        @DisplayName("Test read string with max length and srcEnd")
        void testReadStringWithMaxLengthAndSrcEnd() {
            testBlock.setUseUnicode(false);
            when(mockConfig.getOemEncoding()).thenReturn("UTF-8");

     * @param src source buffer
     * @param srcIndex starting index in the buffer
     * @param srcEnd ending index boundary
     * @param maxLen maximum length to read
     * @param unicode whether to use Unicode encoding
     * @return read string
     */
    public String readString(final byte[] src, int srcIndex, final int srcEnd, final int maxLen, final boolean unicode) {
        if (unicode) {

        Subject first = auth.getSubject();

        // Second call should return cached value (same as first)
        Subject second = auth.getSubject();
        if (first == null && second == null) {
            // Both null - caching is working
            assertNull(second, "Second getSubject should return same result as first (both null)");
        } else if (first != null && second != null) {
            // Both non-null - should be same instance

    void testJoinWithStringBuilder() {
        StringBuilder sb1 = new StringBuilder("first");
        StringBuilder sb2 = new StringBuilder("second");
        String result = StringUtil.join(",", sb1, sb2);
        assertEquals("first,second", result);
    }

    @Test
    @DisplayName("Should handle StringBuffer as CharSequence")
    void testJoinWithStringBuffer() {

        ChannelInfo second = loadBalancer.selectChannel(mockMessage);

        assertNotNull(first);
        assertNotNull(second);
        // Due to round-robin, should get different channels or same order
        assertTrue(Arrays.asList(channel1, channel2).contains(first));
        assertTrue(Arrays.asList(channel1, channel2).contains(second));
    }

    @Test

            assertEquals(second, third.next());
            assertEquals(referralData, second.next());
        }

        @Test
        @DisplayName("Should handle next() correctly")
        void testNext() {
            DfsReferralDataImpl second = new DfsReferralDataImpl();
            referralData.append(second);

            DfsReferralDataImpl next = referralData.next();
            assertSame(second, next);
        }

        assertEquals("file1.txt", first.getName());

        assertTrue(iterator.hasNext(), "Should have second element");
        SmbResource second = iterator.next();
        assertNotNull(second, "Second element should not be null");
        assertEquals("file2.txt", second.getName());

        assertTrue(iterator.hasNext(), "Should have third element");
        SmbResource third = iterator.next();

        assertEquals((byte) 0xA1, encoded[0], "First byte of first character");
        assertEquals((byte) 0x00, encoded[1], "Second byte of first character");
        assertEquals((byte) 0xA2, encoded[2], "First byte of second character");
        assertEquals((byte) 0x00, encoded[3], "Second byte of second character");
    }

    @Test
    public void testAsciiEncoding() throws Exception {

        // Note: Real SmbTransportImpl will report as disconnected without actual socket
        SmbTransportImpl second = testPool.getSmbTransport(ctx, address, 445, false);

        // Then: Will create new connection since real transport has no socket
        assertNotSame(first, second, "Should create new connection when first is disconnected");
    }

    @Test