package org.apache.lucene.search.suggest.fst;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.lucene.search.suggest.InMemorySorter;
import org.apache.lucene.search.suggest.Sort;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.BytesRefIterator;
import org.apache.lucene.util.LuceneTestCase;
import org.junit.Test;
public class BytesRefSortersTest extends LuceneTestCase {
@Test
public void testExternalRefSorter() throws Exception {
ExternalRefSorter s = new ExternalRefSorter(new Sort());
check(s);
s.close();
}
@Test
public void testInMemorySorter() throws Exception {
check(new InMemorySorter(BytesRef.getUTF8SortedAsUnicodeComparator()));
}
private void check(BytesRefSorter sorter) throws Exception {
for (int i = 0; i < 100; i++) {
byte [] current = new byte [random().nextInt(256)];
random().nextBytes(current);
sorter.add(new BytesRef(current));
}
// Create two iterators and check that they're aligned with each other.
BytesRefIterator i1 = sorter.iterator();
BytesRefIterator i2 = sorter.iterator();
// Verify sorter contract.
try {
sorter.add(new BytesRef(new byte [1]));
fail("expected contract violation.");
} catch (IllegalStateException e) {
// Expected.
}
BytesRef spare1;
BytesRef spare2;
while ((spare1 = i1.next()) != null && (spare2 = i2.next()) != null) {
assertEquals(spare1, spare2);
}
assertNull(i1.next());
assertNull(i2.next());
}
}