package org.apache.lucene.sandbox.queries;
/*
* 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.codecs.Codec;
import org.apache.lucene.codecs.diskdv.DiskDocValuesFormat;
import org.apache.lucene.codecs.lucene45.Lucene45DocValuesFormat;
import org.apache.lucene.codecs.memory.DirectDocValuesFormat;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.SortedSetDocValuesField;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.search.FieldCache;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.TestUtil;
import org.junit.AfterClass;
import org.junit.BeforeClass;
/** Tests for SortedSetSortField selectors other than MIN,
* these require optional codec support (random access to ordinals) */
public class TestSortedSetSortFieldSelectors extends LuceneTestCase {
static Codec savedCodec;
@BeforeClass
public static void beforeClass() throws Exception {
savedCodec = Codec.getDefault();
// currently only these codecs that support random access ordinals
int victim = random().nextInt(3);
switch(victim) {
case 0: Codec.setDefault(TestUtil.alwaysDocValuesFormat(new DirectDocValuesFormat()));
case 1: Codec.setDefault(TestUtil.alwaysDocValuesFormat(new DiskDocValuesFormat()));
default: Codec.setDefault(TestUtil.alwaysDocValuesFormat(new Lucene45DocValuesFormat()));
}
}
@AfterClass
public static void afterClass() throws Exception {
Codec.setDefault(savedCodec);
}
@Override
public void setUp() throws Exception {
super.setUp();
// ensure there is nothing in fieldcache before test starts
FieldCache.DEFAULT.purgeAllCaches();
}
private void assertNoFieldCaches() {
// docvalues sorting should NOT create any fieldcache entries!
assertEquals(0, FieldCache.DEFAULT.getCacheEntries().length);
}
public void testMax() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("foo")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", false, SortedSetSortField.Selector.MAX));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'baz' comes before 'foo'
assertEquals("2", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMaxReverse() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("foo")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", true, SortedSetSortField.Selector.MAX));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'baz' comes before 'foo'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMaxMissingFirst() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("foo")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "3", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
SortField sortField = new SortedSetSortField("value", false, SortedSetSortField.Selector.MAX);
sortField.setMissingValue(SortField.STRING_FIRST);
Sort sort = new Sort(sortField);
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(3, td.totalHits);
// null comes first
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
// 'baz' comes before 'foo'
assertEquals("3", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[2].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMaxMissingLast() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("foo")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "3", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
SortField sortField = new SortedSetSortField("value", false, SortedSetSortField.Selector.MAX);
sortField.setMissingValue(SortField.STRING_LAST);
Sort sort = new Sort(sortField);
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(3, td.totalHits);
// 'baz' comes before 'foo'
assertEquals("3", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
// null comes last
assertEquals("1", searcher.doc(td.scoreDocs[2].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMaxSingleton() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", false, SortedSetSortField.Selector.MAX));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'bar' comes before 'baz'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMin() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MIN));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'b' comes before 'c'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMinReverse() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", true, SortedSetSortField.Selector.MIDDLE_MIN));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'b' comes before 'c'
assertEquals("2", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMinMissingFirst() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newStringField("id", "3", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
SortField sortField = new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MIN);
sortField.setMissingValue(SortField.STRING_FIRST);
Sort sort = new Sort(sortField);
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(3, td.totalHits);
// null comes first
assertEquals("3", searcher.doc(td.scoreDocs[0].doc).get("id"));
// 'b' comes before 'c'
assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[2].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMinMissingLast() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newStringField("id", "3", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
SortField sortField = new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MIN);
sortField.setMissingValue(SortField.STRING_LAST);
Sort sort = new Sort(sortField);
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(3, td.totalHits);
// 'b' comes before 'c'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
// null comes last
assertEquals("3", searcher.doc(td.scoreDocs[2].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMinSingleton() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MIN));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'bar' comes before 'baz'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMax() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MAX));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'b' comes before 'c'
assertEquals("2", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMaxReverse() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", true, SortedSetSortField.Selector.MIDDLE_MAX));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'b' comes before 'c'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMaxMissingFirst() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newStringField("id", "3", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
SortField sortField = new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MAX);
sortField.setMissingValue(SortField.STRING_FIRST);
Sort sort = new Sort(sortField);
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(3, td.totalHits);
// null comes first
assertEquals("3", searcher.doc(td.scoreDocs[0].doc).get("id"));
// 'b' comes before 'c'
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertEquals("1", searcher.doc(td.scoreDocs[2].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMaxMissingLast() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newStringField("id", "3", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("a")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("c")));
doc.add(new SortedSetDocValuesField("value", new BytesRef("d")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("b")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
SortField sortField = new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MAX);
sortField.setMissingValue(SortField.STRING_LAST);
Sort sort = new Sort(sortField);
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(3, td.totalHits);
// 'b' comes before 'c'
assertEquals("2", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("1", searcher.doc(td.scoreDocs[1].doc).get("id"));
// null comes last
assertEquals("3", searcher.doc(td.scoreDocs[2].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
public void testMiddleMaxSingleton() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("baz")));
doc.add(newStringField("id", "2", Field.Store.YES));
writer.addDocument(doc);
doc = new Document();
doc.add(new SortedSetDocValuesField("value", new BytesRef("bar")));
doc.add(newStringField("id", "1", Field.Store.YES));
writer.addDocument(doc);
IndexReader ir = writer.getReader();
writer.close();
// slow wrapper does not support random access ordinals (there is no need for that!)
IndexSearcher searcher = newSearcher(ir, false);
Sort sort = new Sort(new SortedSetSortField("value", false, SortedSetSortField.Selector.MIDDLE_MAX));
TopDocs td = searcher.search(new MatchAllDocsQuery(), 10, sort);
assertEquals(2, td.totalHits);
// 'bar' comes before 'baz'
assertEquals("1", searcher.doc(td.scoreDocs[0].doc).get("id"));
assertEquals("2", searcher.doc(td.scoreDocs[1].doc).get("id"));
assertNoFieldCaches();
ir.close();
dir.close();
}
}