| /* |
| * 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. |
| */ |
| package org.apache.lucene.index; |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| public class TestDocsWithFieldSet extends LuceneTestCase { |
| |
| public void testDense() throws IOException { |
| DocsWithFieldSet set = new DocsWithFieldSet(); |
| DocIdSetIterator it = set.iterator(); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, it.nextDoc()); |
| |
| set.add(0); |
| it = set.iterator(); |
| assertEquals(0, it.nextDoc()); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, it.nextDoc()); |
| |
| long ramBytesUsed = set.ramBytesUsed(); |
| for (int i = 1; i < 1000; ++i) { |
| set.add(i); |
| } |
| assertEquals(ramBytesUsed, set.ramBytesUsed()); |
| it = set.iterator(); |
| for (int i = 0; i < 1000; ++i) { |
| assertEquals(i, it.nextDoc()); |
| } |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, it.nextDoc()); |
| } |
| |
| public void testSparse() throws IOException { |
| DocsWithFieldSet set = new DocsWithFieldSet(); |
| int doc = random().nextInt(10000); |
| set.add(doc); |
| DocIdSetIterator it = set.iterator(); |
| assertEquals(doc, it.nextDoc()); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, it.nextDoc()); |
| int doc2 = doc + TestUtil.nextInt(random(), 1, 100); |
| set.add(doc2); |
| it = set.iterator(); |
| assertEquals(doc, it.nextDoc()); |
| assertEquals(doc2, it.nextDoc()); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, it.nextDoc()); |
| } |
| |
| public void testDenseThenSparse() throws IOException { |
| int denseCount = random().nextInt(10000); |
| int nextDoc = denseCount + random().nextInt(10000); |
| DocsWithFieldSet set = new DocsWithFieldSet(); |
| for (int i = 0; i < denseCount; ++i) { |
| set.add(i); |
| } |
| set.add(nextDoc); |
| DocIdSetIterator it = set.iterator(); |
| for (int i = 0; i < denseCount; ++i) { |
| assertEquals(i, it.nextDoc()); |
| } |
| assertEquals(nextDoc, it.nextDoc()); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, it.nextDoc()); |
| } |
| |
| } |