}

    @Test
    @DisplayName("Calling a method on null reference throws NPE")
    void nullReference_throwsNPE() {
        // Arrange
        FileEntry e = null;
        // Act & Assert: demonstrate invalid usage results in NPE
        assertThrows(NullPointerException.class, () -> e.getName());
    }

    @Nested
    @DisplayName("Mockito stubbing for edge cases")
    class MockitoEdgeCases {
        @Test

```Python
some_variable: PlaneItem | CarItem
```

But if we put that in the assignment `response_model=PlaneItem | CarItem` we would get an error, because Python would try to perform an **invalid operation** between `PlaneItem` and `CarItem` instead of interpreting that as a type annotation.

## List of models { #list-of-models }

The same way, you can declare responses of lists of objects.

| `minio_s3_requests_rejected_header_total`     | Total number S3 requests rejected for invalid header.    |
| `minio_s3_requests_rejected_invalid_total`    | Total number S3 invalid requests.                        |
| `minio_s3_requests_rejected_timestamp_total`  | Total number S3 requests rejected for invalid timestamp. |
| `minio_s3_requests_total`                     | Total number S3 requests.                                |

   *     minLength}
   */
  public static byte[] ensureCapacity(byte[] array, int minLength, int padding) {
    checkArgument(minLength >= 0, "Invalid minLength: %s", minLength);
    checkArgument(padding >= 0, "Invalid padding: %s", padding);
    return (array.length < minLength) ? Arrays.copyOf(array, minLength + padding) : array;
  }

  /**

			expectedErr: nil,
			expectErr:   false,
		},
		// invalid Status key
		{
			value:       `<?xml version="1.0" encoding="UTF-8"?><ObjectLockLegalHold xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><MyStatus>ON</MyStatus></ObjectLockLegalHold>`,
			expectedErr: errors.New("expected element type <Status> but have <MyStatus>"),
			expectErr:   true,
		},
		// invalid XML attr
		{

                    } else if (response.getContentException() != null) {
                        logger.warn("Invalid request for {}.", path, response.getContentException());
                    } else {
                        logger.warn("Invalid request for {}. The response is {}", path, response.getContentAsString());
                    }
                }

    stream.defaultReadObject();
    int keyCount = stream.readInt();
    if (keyCount < 0) {
      throw new InvalidObjectException("Invalid key count " + keyCount);
    }
    ImmutableMap.Builder<Object, ImmutableList<Object>> builder = ImmutableMap.builder();
    int tmpSize = 0;

    for (int i = 0; i < keyCount; i++) {

                } else if (parsed) {
                    // fallback, already expected a XmlPullParserException due to invalid XML
                    throw new XmlPullParserException("Duplicated tag: 'extensions'", parser, null);
                }
                coreExtensions = parseCoreExtensions(parser, strict);

            if (!Arrays.asList("warn", "warning", "error").contains(c)) {
                context.parsingFailed = true;
                context.parserRequest
                        .logger()
                        .error("Invalid fail on severity threshold '" + c
                                + "'. Supported values are 'WARN', 'WARNING' and 'ERROR'.");
            }
        });
        options.altUserSettings()

	AmzObjectLockLegalHold           = "X-Amz-Object-Lock-Legal-Hold"
)

var (
	// ErrMalformedBucketObjectConfig -indicates that the bucket object lock config is malformed
	ErrMalformedBucketObjectConfig = errors.New("invalid bucket object lock config")
	// ErrInvalidRetentionDate - indicates that retention date needs to be in ISO 8601 format
	ErrInvalidRetentionDate = errors.New("date must be provided in ISO 8601 format")