facetFactory.processParams(new ProcessParameterContext(method, 0, facetedMethodParameter));
final Facet facet = facetedMethodParameter.getFacet(BigDecimalValueFacet.class);
assertNotNull(facet);
assertTrue(facet instanceof BigDecimalFacetForParameterFromJavaxValidationDigitsAnnotation);
final BigDecimalFacetForParameterFromJavaxValidationDigitsAnnotation annotation = (BigDecimalFacetForParameterFromJavaxValidationDigitsAnnotation) facet;
assertEquals(new Integer(18), annotation.getLength());
assertEquals(new Integer(4), annotation.getScale());
}