Filter filter=ff.and(filter1,filter2);
FilterCapabilities filterCapabilitiesMask = new FilterCapabilities();
filterCapabilitiesMask.addType(FilterFunction_geometryType.class);
filterCapabilitiesMask.addAll(FilterCapabilities.SIMPLE_COMPARISONS_OPENGIS);
filterCapabilitiesMask.addAll(FilterCapabilities.LOGICAL_OPENGIS);
visitor=newVisitor(filterCapabilitiesMask);
filter.accept(visitor, null);
assertEquals(filter1, visitor.getFilterPre());