assertEquals( arr.length, doc.getFieldValues("v").size() );
// try the same thing with 'setField'
doc.setField( "v", arr );
assertEquals( arr.length, doc.getFieldValues("v").size() );
doc.clear();
assertEquals( 0, doc.getFieldNames().size() );
Iterable iter = new Iterable() {
public Iterator iterator() {
return c0.iterator();