+ ifip.getFacetDelimChar() + "b";
CategoryPath cp = new CategoryPath("a", "b");
assertEquals("wrong drill-down term", new Term("$facets",
expectedDDText), DrillDown.term(ifip,cp));
char[] buf = new char[20];
int numchars = ifip.drillDownTermText(cp, buf);
assertEquals("3 characters should be written", 3, numchars);
assertEquals("wrong drill-down term text", expectedDDText, new String(
buf, 0, numchars));
CategoryListParams clParams = ifip.getCategoryListParams(null);