nameServiceClient.getNbtByName("NONEXISTENT-FAST-FAIL");
        }, "Should throw UnknownHostException for non-existent NetBIOS name");

        // Verify the exception message indicates name resolution failure
        assertTrue(exception.getMessage().contains("NONEXISTENT") || exception.getMessage().contains("unknown")

			expectedErr: nil,
		},
		// TestXLStorage case - 3.
		// TestXLStorage case with non-existent file.
		{
			srcVol:      "success-vol",
			srcPath:     "nonexistent-file",
			expectedErr: errPathNotFound,
		},
		// TestXLStorage case - 4.
		// TestXLStorage case with non-existent file path.
		{
			srcVol:      "success-vol",
			srcPath:     "path/2/success-file",

        assertEquals("new_value2", retrievedValues[1]);
    }

    public void test_getValuesNonExistentKey() {
        // Test getValues with non-existent key
        ExtractData data = new ExtractData();

        String[] values = data.getValues("nonexistent");
        assertNull(values);
    }

    public void test_getKeySet() {
        // Test getKeySet method
        ExtractData data = new ExtractData();

        // Non-existent file
        CIFSContext fileContext = createFreshContext();
        SmbFile nonExistent = new SmbFile(baseUrl + "shared/nonexistent_" + timestamp + ".txt", fileContext);
        assertFalse(nonExistent.exists(), "Non-existent file should return false");

        // Create file and check
        nonExistent.createNewFile();
        nonExistent.close();
        Thread.sleep(200);

        assertEquals(456, Config.getInt(testProperties, "nonexistent.int", 456));
        assertEquals(789, Config.getInt(testProperties, "test.invalid.int", 789));
    }

    @Test
    @DisplayName("Should get integer property")
    void testGetInt() {
        assertEquals(123, Config.getInt(testProperties, "test.int"));
        assertEquals(-1, Config.getInt(testProperties, "nonexistent.int"));

        assertEquals("80", dcerpcBinding.getOption("connect"), "Should return the set option value.");
    }

    @Test
    void testGetOptionNonExistent() {
        assertNull(dcerpcBinding.getOption("nonExistent"), "Should return null for a non-existent option.");
    }

    @Test
    void testToStringWithoutOptionsAndEndpoint() {
        String expected = PROTO + ":" + SERVER + "[null]";

        // Remove the child
        entry.removeChild(childName);
        assertFalse(entry.hasChild(childName));
        assertTrue(entry.hasChanges());

        // Remove non-existent child - should not change state
        entry.removeChild("nonexistent.txt");
        assertTrue(entry.hasChanges()); // Still has changes from previous removal
    }

    @Test
    public void testGetChildren() {
        // Add multiple children

        // Test operations on empty service
        assertEquals(0, mockService.getRegistrationCount());
        assertFalse(mockService.hasRegistration("non-existent"));
        assertFalse(mockService.unregisterWitness("non-existent"));
        assertFalse(mockService.processHeartbeat("non-existent", 1));

        // Test registration with null/empty values
        String regId1 = mockService.registerWitness(null, "192.168.1.100", 1);

    client = TestClient(mod.app)
    return client


@pytest.mark.parametrize(
    "path,expected_status,expected_response",
    [
        ("/", 200, {"message": "Hello World"}),
        ("/nonexistent", 404, {"detail": "Not Found"}),
    ],
)
def test_get_path(client: TestClient, path, expected_status, expected_response):
    response = client.get(path)
    assert response.status_code == expected_status

			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 8.
		// non-existent bucket is used.
		// writing BucketPolicy should fail.
		// should result in 404 StatusNotFound
		{
			bucketName:         "non-existent-bucket",
			bucketPolicyReader: bytes.NewReader(fmt.Appendf(nil, bucketPolicyTemplate, "non-existent-bucket", "non-existent-bucket")),