code: public void testMatch_ExplicitColumns() throws IOException {
    List<MatchCode> expected=new ArrayList<MatchCode>();
    expected.add(MatchCode.SKIP);
    expected.add(MatchCode.INCLUDE);
    expected.add(MatchCode.SKIP);
    expected.add(MatchCode.INCLUDE);
    expected.add(MatchCode.INCLUDE);
    expected.add(MatchCode.DONE);
    QueryMatcher qm=new QueryMatcher(get,fam2,get.getFamilyMap().get(fam2),ttl,rowComparator,1);
    List<KeyValue> memstore=new ArrayList<KeyValue>();
    memstore.add(new KeyValue(row1,fam2,col1,data));
    memstore.add(new KeyValue(row1,fam2,col2,data));
    memstore.add(new KeyValue(row1,fam2,col3,data));
    memstore.add(new KeyValue(row1,fam2,col4,data));
    memstore.add(new KeyValue(row1,fam2,col5,data));
    memstore.add(new KeyValue(row2,fam1,col1,data));
    List<MatchCode> actual=new ArrayList<MatchCode>();
    for (  KeyValue kv : memstore) {
      actual.add(qm.match(kv));
    }
    assertEquals(expected.size(),actual.size());
    for (int i=0; i < expected.size(); i++) {
      assertEquals(expected.get(i),actual.get(i));
      if (PRINT) {
        System.out.println("expected " + expected.get(i) + ", actual "+ actual.get(i));
      }
    }
  }
  