// create test documents
for (int i = 0; i < NUM_DOCS; i++) {
Document doc = new Document();
for (int k = 0; k < fieldNames.length; k++) {
Field f;
Store s;
Index ix;
TermVector tv = TermVector.NO;
String val = null;
if (fieldNames[k].equals("id")) {
s = Store.YES;