assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithNullMessageAndCause() {
        // Test constructor with null message and null cause
        GsaConfigException exception = new GsaConfigException(null, null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

        corsHandlerFactory.add(origin, handler);

        // Execute
        CorsHandler result = corsHandlerFactory.get("https://nonexistent.com");

        // Verify
        assertNull(result);
    }

    public void test_add_overwriteExistingOrigin() {
        // Setup
        String origin = "https://example.com";
        TestCorsHandler handler1 = new TestCorsHandler("handler1");

        assertEquals(25, crawlinginfopage.getPageSize());
        assertEquals(1, crawlinginfopage.getCurrentPageNumber());
        assertNull(crawlinginfopage.id);
        assertNull(crawlinginfopage.sessionId);
        assertNull(crawlinginfopage.createdTime);

        assertEquals(1, crawlinginfopage.getDefaultCurrentPageNumber());
        crawlinginfopage.setAllRecordCount(999);

        NtlmContext context = new NtlmContext(mockAuth, true);
        assertNotNull(context);
        assertFalse(context.isEstablished());
        assertNull(context.getServerChallenge());
        assertNull(context.getSigningKey());
        assertNull(context.getNetbiosName());

        int expectedFlags = NtlmFlags.NTLMSSP_REQUEST_TARGET | NtlmFlags.NTLMSSP_NEGOTIATE_NTLM2 | NtlmFlags.NTLMSSP_NEGOTIATE_128

        NegTokenInit parsed = new NegTokenInit(bytes);
        assertNull(parsed.getMechanisms(), "Mechanisms should be null when absent");
        assertEquals(0, parsed.getContextFlags(), "Flags should be zero when absent");
        assertNull(parsed.getMechanismToken(), "Mechanism token should be null when absent");
        assertNull(parsed.getMechanismListMIC(), "MIC should be null when absent");
    }

    @Test

        assertEquals(specialName, referral.getSpecialName());
        assertArrayEquals(expandedNames, referral.getExpandedNames());
        assertNull(referral.getRpath());
        assertNull(referral.getAltPath());
        assertNull(referral.getNode());
    }

    @Test
    public void testVersion3WithZeroOffsets() {
        // Prepare test data with zero offsets

        assertEquals(1, stemmerOverrideItem.getId());
        assertEquals("aaa", stemmerOverrideItem.getInput());
        assertEquals("a", stemmerOverrideItem.getOutput());
        assertNull(stemmerOverrideItem.getNewInput());
        assertNull(stemmerOverrideItem.getNewOutput());
        assertFalse(stemmerOverrideItem.isUpdated());
        assertFalse(stemmerOverrideItem.isDeleted());

        stemmerOverrideItem.setNewInput("bbb");

        assertNull(provider.providePrimaryOneWayCryptographer());
    }

    public void test_constructor_withBothNull() {
        // Test with both cryptographers null
        FessSecurityResourceProvider provider = new FessSecurityResourceProvider(null, null);
        assertNotNull(provider);
        assertNull(provider.providePrimaryInvertibleCryptographer());

        assertNull(userInfoHelper.getUserCodeFromRequest(request));

        request.setParameter("userCode", "");
        assertNull(userInfoHelper.getUserCodeFromRequest(request));

        final StringBuilder buf = new StringBuilder();
        buf.append("12345abcde");
        request.setParameter("userCode", buf.toString());
        assertNull(userInfoHelper.getUserCodeFromRequest(request));

        // test that it consistently returns null for any input
        assertNull(invokeMethod(provider, "findOnMainSchema", "TestClassification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", ""));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Some.Classification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Project.TestClassification"));
    }