assertEquals(expectedStatus, ex.getNtStatus(), "status should map based on code");
        assertNull(ex.getCause(), "cause must be null for int constructor");
        assertNull(ex.getRootCause(), "rootCause must be null for int constructor");
    }

    /**
     * Validate message-only constructor with both null and empty messages.
     */

    @Test
    public void test_getConfigType() {
        assertNull(crawlingConfigHelper.getConfigType(null));
        assertNull(crawlingConfigHelper.getConfigType(""));
        assertNull(crawlingConfigHelper.getConfigType("XXX"));
        assertNull(crawlingConfigHelper.getConfigType("W"));
        assertNull(crawlingConfigHelper.getConfigType("F"));
        assertNull(crawlingConfigHelper.getConfigType("D"));

            // If JAAS is not configured and getSubject() returns null, verify cloning still works
            assertNull(first, "First call to getSubject() returned null - JAAS not configured");

            // Clone should also return null for getSubject() calls
            Subject copySubj = copy.getSubject();
            assertNull(copySubj, "Clone should also return null when original has null cached subject");

        // IPv6 without port
        assertEquals("https://[::1]", IpAddressUtil.buildUrl("https", ipv6, 0, ""));

        // Null protocol or address
        assertNull(IpAddressUtil.buildUrl(null, ipv4, 8080, "/path"));
        assertNull(IpAddressUtil.buildUrl("http", (InetAddress) null, 8080, "/path"));
    }

    @Test
    public void testBuildUrlWithHostString() {
        // IPv4 with port and path

        // Verify
        assertNull(result);
    }

    @Test
    public void test_getResponse_withUnsetType() {
        // Execute - requesting type without setting response
        ActionResponse result = authenticator.getResponse(SsoResponseType.METADATA);

        // Verify
        assertNull(result);
    }

    // Test logout method
    @Test

        DocMap docMap = new DocMap(parentMap);

        assertNull(docMap.put("newKey", "newValue"));
        assertEquals("newValue", docMap.get("newKey"));

        assertEquals("newValue", docMap.put("newKey", "updatedValue"));
        assertEquals("updatedValue", docMap.get("newKey"));

        assertNull(docMap.get("nonexistent"));
    }

    @Test
    public void test_remove() {

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullMessage() {
        // Test with null message
        LdapConfigurationException exception = new LdapConfigurationException(null);

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

    @Test

public class MapComputeIfPresentTester<K, V> extends AbstractMapTester<K, V> {

  @MapFeature.Require(SUPPORTS_PUT)
  public void testComputeIfPresent_supportedAbsent() {
    assertNull(
        "computeIfPresent(notPresent, function) should return null",
        getMap()
            .computeIfPresent(
                k3(),
                (k, v) -> {
                  throw new AssertionFailedError();

        assertNull(source.getPath());
        assertEquals(path.toString(), source.getLocation());
        assertEquals(modelId, source.getModelId());
        assertNull(source.resolve("subdir"));

        ModelSource.ModelLocator locator = mock(ModelSource.ModelLocator.class);
        assertNull(source.resolve(locator, "subproject"));

        assertEquals("r1", kuromojiItem.getReading());
        assertEquals("p1", kuromojiItem.getPos());
        assertNull(kuromojiItem.getNewToken());
        assertNull(kuromojiItem.getNewSegmentation());
        assertNull(kuromojiItem.getNewReading());
        assertNull(kuromojiItem.getNewPos());
        assertFalse(kuromojiItem.isUpdated());
        assertFalse(kuromojiItem.isDeleted());