// Pattern with single backslash (14 chars): should match
        String singleBackslash = "image/svg" + "\\" + "+xml";
        assertEquals("Single backslash pattern should be 14 chars", 14, singleBackslash.length());
        assertTrue(svgMimetype.matches(singleBackslash));

        // Pattern with double backslash (15 chars): should NOT match
        String doubleBackslash = "image/svg" + "\\\\" + "+xml";

    @Nested
    @DisplayName("Edge cases and special scenarios")
    class EdgeCases {

        @Test
        @DisplayName("Should handle multiple extensions for same mime type")
        void testMultipleExtensionsForSameMimeType() throws IOException {
            // Both jpg and jpeg should map to image/jpeg
            String jpgMime = mimeMap.getMimeType("jpg");
            String jpegMime = mimeMap.getMimeType("jpeg");

        assertTrue(decoded > 0, "Decode should return positive length");

        assertEquals(NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED, resp.getStatus());
        assertArrayEquals(blob, resp.getBlob(), "Security blob should match");
        assertEquals(sessionFlags, resp.getSessionFlags(), "Session flags should decode");
        assertTrue(resp.isLoggedInAsGuest(), "Guest/anonymous should be detected");

        @Test
        @DisplayName("Should create request with configuration only")
        void testConstructorWithConfig() {
            TestServerMessageBlock2Request request = new TestServerMessageBlock2Request(mockConfig);
            assertNotNull(request);
            assertEquals(mockConfig, request.getConfig());
        }

        @Test
        @DisplayName("Should create request with configuration and command")

        SessionServicePacket.writeInt2(0xABCD, dst, 4);

        assertEquals((byte) 0xFF, dst[2]); // Should be unchanged
        assertEquals((byte) 0xFF, dst[3]); // Should be unchanged
        assertEquals((byte) 0xAB, dst[4]);
        assertEquals((byte) 0xCD, dst[5]);
    }

    @Test
    @DisplayName("writeInt4 should correctly write 32-bit integer")
    void testWriteInt4() {
        byte[] dst = new byte[8];

        assertNotNull(pacString, "The PacUnicodeString object should not be null.");

        // Verify that the getters return the correct values
        assertEquals(length, pacString.getLength(), "The length should match the value provided in the constructor.");
        assertEquals(maxLength, pacString.getMaxLength(), "The maxLength should match the value provided in the constructor.");

        // Verify the AvPair type is MsvAvTargetName
        assertEquals(AvPair.MsvAvTargetName, avTargetName.getType(), "AvPair type should be MsvAvTargetName");
        // Verify the raw bytes are correctly stored
        assertArrayEquals(rawBytes, avTargetName.getRaw(), "Raw bytes should match the input");
    }

    /**
     * Test constructor with a target name string.

    class ConstructorTests {

        @Test
        @DisplayName("Should create handler with null context")
        void testConstructorWithNullContext() {
            // When
            Handler testHandler = new Handler(null);

            // Then
            assertNotNull(testHandler);
        }

        @Test
        @DisplayName("Should extend jcifs.http.Handler")
        void testInheritance() {
            // Then

    @DisplayName("Should setup response correctly")
    void testSetupResponse() {
        // Given
        Response resp = mock(Response.class);

        // When
        response.setupResponse(resp);

        // Then - nothing should happen (empty implementation)
        verifyNoInteractions(resp);
    }

    @Test
    @DisplayName("Should read valid negotiate response from wire format")

        assertEquals("testdomain", config.getDefaultDomain());
    }

    @Test
    @DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties
        // It should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {
            new PropertyConfiguration(null);
        });