### Question:
CORSFilter implements Filter { @Override public void destroy() { } CORSFilter(); @Override void doFilter(final ServletRequest servletRequest,
			final ServletResponse servletResponse,
			final FilterChain filterChain); @Override void init(final FilterConfig filterConfig); void handleSimpleCORS(final HttpServletRequest request,
			final HttpServletResponse response, final FilterChain filterChain); void handlePreflightCORS(final HttpServletRequest request,
			final HttpServletResponse response, final FilterChain filterChain); void handleNonCORS(final HttpServletRequest request,
			final HttpServletResponse response, final FilterChain filterChain); void handleInvalidCORS(final HttpServletRequest request,
			final HttpServletResponse response, final FilterChain filterChain); @Override void destroy(); static void decorateCORSProperties(final HttpServletRequest request,
			final CORSRequestType corsRequestType); static String join(final Collection<String> elements,
			final String joinSeparator); CORSRequestType checkRequestType(final HttpServletRequest request); static boolean isValidOrigin(String origin); boolean isLoggingEnabled(); boolean isAnyOriginAllowed(); Collection<String> getExposedHeaders(); boolean isSupportsCredentials(); long getPreflightMaxAge(); Collection<String> getAllowedOrigins(); Collection<String> getAllowedHttpMethods(); Collection<String> getAllowedHttpHeaders(); static final String RESPONSE_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN; static final String RESPONSE_HEADER_ACCESS_CONTROL_ALLOW_CREDENTIALS; static final String RESPONSE_HEADER_ACCESS_CONTROL_EXPOSE_HEADERS; static final String RESPONSE_HEADER_ACCESS_CONTROL_MAX_AGE; static final String RESPONSE_HEADER_ACCESS_CONTROL_ALLOW_METHODS; static final String RESPONSE_HEADER_ACCESS_CONTROL_ALLOW_HEADERS; static final String REQUEST_HEADER_ORIGIN; static final String REQUEST_HEADER_ACCESS_CONTROL_REQUEST_METHOD; static final String REQUEST_HEADER_ACCESS_CONTROL_REQUEST_HEADERS; static final String HTTP_REQUEST_ATTRIBUTE_PREFIX; static final String HTTP_REQUEST_ATTRIBUTE_ORIGIN; static final String HTTP_REQUEST_ATTRIBUTE_IS_CORS_REQUEST; static final String HTTP_REQUEST_ATTRIBUTE_REQUEST_TYPE; static final String HTTP_REQUEST_ATTRIBUTE_REQUEST_HEADERS; static final Collection<String> HTTP_METHODS; static final Collection<String> COMPLEX_HTTP_METHODS; static final Collection<String> SIMPLE_HTTP_METHODS; static final Collection<String> SIMPLE_HTTP_REQUEST_HEADERS; static final Collection<String> SIMPLE_HTTP_RESPONSE_HEADERS; static final Collection<String> SIMPLE_HTTP_REQUEST_CONTENT_TYPE_VALUES; static final String DEFAULT_ALLOWED_ORIGINS; static final String DEFAULT_ALLOWED_HTTP_METHODS; static final String DEFAULT_PREFLIGHT_MAXAGE; static final String DEFAULT_SUPPORTS_CREDENTIALS; static final String DEFAULT_ALLOWED_HTTP_HEADERS; static final String DEFAULT_EXPOSED_HEADERS; static final String DEFAULT_LOGGING_ENABLED; static final String DEFAULT_DECORATE_REQUEST; static final String PARAM_CORS_ALLOWED_ORIGINS; static final String PARAM_CORS_SUPPORT_CREDENTIALS; static final String PARAM_CORS_EXPOSED_HEADERS; static final String PARAM_CORS_ALLOWED_HEADERS; static final String PARAM_CORS_ALLOWED_METHODS; static final String PARAM_CORS_PREFLIGHT_MAXAGE; static final String PARAM_CORS_LOGGING_ENABLED; static final String PARAM_CORS_REQUEST_DECORATE; }### Answer:
@Test public void testDestroy() { }