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Posted to commits@lucene.apache.org by cp...@apache.org on 2017/05/30 11:28:27 UTC

[18/25] lucene-solr:jira/solr-8668: LUCENE-7850: Move support for legacy numerics to solr/.

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/legacy/TestNumericRangeQuery64.java
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diff --git a/solr/core/src/test/org/apache/solr/legacy/TestNumericRangeQuery64.java b/solr/core/src/test/org/apache/solr/legacy/TestNumericRangeQuery64.java
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+/*
+ * 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.solr.legacy;
+
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.DirectoryReader;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.MultiTermQuery;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.QueryUtils;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.Sort;
+import org.apache.lucene.search.TopDocs;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.NumericUtils;
+import org.apache.lucene.util.TestUtil;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class TestNumericRangeQuery64 extends LuceneTestCase {
+  // distance of entries
+  private static long distance;
+  // shift the starting of the values to the left, to also have negative values:
+  private static final long startOffset = - 1L << 31;
+  // number of docs to generate for testing
+  private static int noDocs;
+  
+  private static Directory directory = null;
+  private static IndexReader reader = null;
+  private static IndexSearcher searcher = null;
+  
+  @BeforeClass
+  public static void beforeClass() throws Exception {
+    noDocs = atLeast(4096);
+    distance = (1L << 60) / noDocs;
+    directory = newDirectory();
+    RandomIndexWriter writer = new RandomIndexWriter(random(), directory,
+        newIndexWriterConfig(new MockAnalyzer(random()))
+        .setMaxBufferedDocs(TestUtil.nextInt(random(), 100, 1000))
+        .setMergePolicy(newLogMergePolicy()));
+
+    final LegacyFieldType storedLong = new LegacyFieldType(LegacyLongField.TYPE_NOT_STORED);
+    storedLong.setStored(true);
+    storedLong.freeze();
+
+    final LegacyFieldType storedLong8 = new LegacyFieldType(storedLong);
+    storedLong8.setNumericPrecisionStep(8);
+
+    final LegacyFieldType storedLong4 = new LegacyFieldType(storedLong);
+    storedLong4.setNumericPrecisionStep(4);
+
+    final LegacyFieldType storedLong6 = new LegacyFieldType(storedLong);
+    storedLong6.setNumericPrecisionStep(6);
+
+    final LegacyFieldType storedLong2 = new LegacyFieldType(storedLong);
+    storedLong2.setNumericPrecisionStep(2);
+
+    final LegacyFieldType storedLongNone = new LegacyFieldType(storedLong);
+    storedLongNone.setNumericPrecisionStep(Integer.MAX_VALUE);
+
+    final LegacyFieldType unstoredLong = LegacyLongField.TYPE_NOT_STORED;
+
+    final LegacyFieldType unstoredLong8 = new LegacyFieldType(unstoredLong);
+    unstoredLong8.setNumericPrecisionStep(8);
+
+    final LegacyFieldType unstoredLong6 = new LegacyFieldType(unstoredLong);
+    unstoredLong6.setNumericPrecisionStep(6);
+
+    final LegacyFieldType unstoredLong4 = new LegacyFieldType(unstoredLong);
+    unstoredLong4.setNumericPrecisionStep(4);
+
+    final LegacyFieldType unstoredLong2 = new LegacyFieldType(unstoredLong);
+    unstoredLong2.setNumericPrecisionStep(2);
+
+    LegacyLongField
+      field8 = new LegacyLongField("field8", 0L, storedLong8),
+      field6 = new LegacyLongField("field6", 0L, storedLong6),
+      field4 = new LegacyLongField("field4", 0L, storedLong4),
+      field2 = new LegacyLongField("field2", 0L, storedLong2),
+      fieldNoTrie = new LegacyLongField("field"+Integer.MAX_VALUE, 0L, storedLongNone),
+      ascfield8 = new LegacyLongField("ascfield8", 0L, unstoredLong8),
+      ascfield6 = new LegacyLongField("ascfield6", 0L, unstoredLong6),
+      ascfield4 = new LegacyLongField("ascfield4", 0L, unstoredLong4),
+      ascfield2 = new LegacyLongField("ascfield2", 0L, unstoredLong2);
+
+    Document doc = new Document();
+    // add fields, that have a distance to test general functionality
+    doc.add(field8); doc.add(field6); doc.add(field4); doc.add(field2); doc.add(fieldNoTrie);
+    // add ascending fields with a distance of 1, beginning at -noDocs/2 to test the correct splitting of range and inclusive/exclusive
+    doc.add(ascfield8); doc.add(ascfield6); doc.add(ascfield4); doc.add(ascfield2);
+    
+    // Add a series of noDocs docs with increasing long values, by updating the fields
+    for (int l=0; l<noDocs; l++) {
+      long val=distance*l+startOffset;
+      field8.setLongValue(val);
+      field6.setLongValue(val);
+      field4.setLongValue(val);
+      field2.setLongValue(val);
+      fieldNoTrie.setLongValue(val);
+
+      val=l-(noDocs/2);
+      ascfield8.setLongValue(val);
+      ascfield6.setLongValue(val);
+      ascfield4.setLongValue(val);
+      ascfield2.setLongValue(val);
+      writer.addDocument(doc);
+    }
+    reader = writer.getReader();
+    searcher=newSearcher(reader);
+    writer.close();
+  }
+  
+  @AfterClass
+  public static void afterClass() throws Exception {
+    searcher = null;
+    reader.close();
+    reader = null;
+    directory.close();
+    directory = null;
+  }
+  
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+    // set the theoretical maximum term count for 8bit (see docs for the number)
+    // super.tearDown will restore the default
+    BooleanQuery.setMaxClauseCount(7*255*2 + 255);
+  }
+  
+  /** test for constant score + boolean query + filter, the other tests only use the constant score mode */
+  private void testRange(int precisionStep) throws Exception {
+    String field="field"+precisionStep;
+    int count=3000;
+    long lower=(distance*3/2)+startOffset, upper=lower + count*distance + (distance/3);
+    LegacyNumericRangeQuery<Long> q = LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, upper, true, true);
+    for (byte i=0; i<2; i++) {
+      TopDocs topDocs;
+      String type;
+      switch (i) {
+        case 0:
+          type = " (constant score filter rewrite)";
+          q.setRewriteMethod(MultiTermQuery.CONSTANT_SCORE_REWRITE);
+          topDocs = searcher.search(q, noDocs, Sort.INDEXORDER);
+          break;
+        case 1:
+          type = " (constant score boolean rewrite)";
+          q.setRewriteMethod(MultiTermQuery.CONSTANT_SCORE_BOOLEAN_REWRITE);
+          topDocs = searcher.search(q, noDocs, Sort.INDEXORDER);
+          break;
+        default:
+          return;
+      }
+      ScoreDoc[] sd = topDocs.scoreDocs;
+      assertNotNull(sd);
+      assertEquals("Score doc count"+type, count, sd.length );
+      Document doc=searcher.doc(sd[0].doc);
+      assertEquals("First doc"+type, 2*distance+startOffset, doc.getField(field).numericValue().longValue() );
+      doc=searcher.doc(sd[sd.length-1].doc);
+      assertEquals("Last doc"+type, (1+count)*distance+startOffset, doc.getField(field).numericValue().longValue() );
+    }
+  }
+
+  @Test
+  public void testRange_8bit() throws Exception {
+    testRange(8);
+  }
+  
+  @Test
+  public void testRange_6bit() throws Exception {
+    testRange(6);
+  }
+  
+  @Test
+  public void testRange_4bit() throws Exception {
+    testRange(4);
+  }
+  
+  @Test
+  public void testRange_2bit() throws Exception {
+    testRange(2);
+  }
+  
+  @Test
+  public void testOneMatchQuery() throws Exception {
+    LegacyNumericRangeQuery<Long> q = LegacyNumericRangeQuery.newLongRange("ascfield8", 8, 1000L, 1000L, true, true);
+    TopDocs topDocs = searcher.search(q, noDocs);
+    ScoreDoc[] sd = topDocs.scoreDocs;
+    assertNotNull(sd);
+    assertEquals("Score doc count", 1, sd.length );
+  }
+  
+  private void testLeftOpenRange(int precisionStep) throws Exception {
+    String field="field"+precisionStep;
+    int count=3000;
+    long upper=(count-1)*distance + (distance/3) + startOffset;
+    LegacyNumericRangeQuery<Long> q= LegacyNumericRangeQuery.newLongRange(field, precisionStep, null, upper, true, true);
+    TopDocs topDocs = searcher.search(q, noDocs, Sort.INDEXORDER);
+    ScoreDoc[] sd = topDocs.scoreDocs;
+    assertNotNull(sd);
+    assertEquals("Score doc count", count, sd.length );
+    Document doc=searcher.doc(sd[0].doc);
+    assertEquals("First doc", startOffset, doc.getField(field).numericValue().longValue() );
+    doc=searcher.doc(sd[sd.length-1].doc);
+    assertEquals("Last doc", (count-1)*distance+startOffset, doc.getField(field).numericValue().longValue() );
+
+    q= LegacyNumericRangeQuery.newLongRange(field, precisionStep, null, upper, false, true);
+    topDocs = searcher.search(q, noDocs, Sort.INDEXORDER);
+    sd = topDocs.scoreDocs;
+    assertNotNull(sd);
+    assertEquals("Score doc count", count, sd.length );
+    doc=searcher.doc(sd[0].doc);
+    assertEquals("First doc", startOffset, doc.getField(field).numericValue().longValue() );
+    doc=searcher.doc(sd[sd.length-1].doc);
+    assertEquals("Last doc", (count-1)*distance+startOffset, doc.getField(field).numericValue().longValue() );
+  }
+  
+  @Test
+  public void testLeftOpenRange_8bit() throws Exception {
+    testLeftOpenRange(8);
+  }
+  
+  @Test
+  public void testLeftOpenRange_6bit() throws Exception {
+    testLeftOpenRange(6);
+  }
+  
+  @Test
+  public void testLeftOpenRange_4bit() throws Exception {
+    testLeftOpenRange(4);
+  }
+  
+  @Test
+  public void testLeftOpenRange_2bit() throws Exception {
+    testLeftOpenRange(2);
+  }
+  
+  private void testRightOpenRange(int precisionStep) throws Exception {
+    String field="field"+precisionStep;
+    int count=3000;
+    long lower=(count-1)*distance + (distance/3) +startOffset;
+    LegacyNumericRangeQuery<Long> q= LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, null, true, true);
+    TopDocs topDocs = searcher.search(q, noDocs, Sort.INDEXORDER);
+    ScoreDoc[] sd = topDocs.scoreDocs;
+    assertNotNull(sd);
+    assertEquals("Score doc count", noDocs-count, sd.length );
+    Document doc=searcher.doc(sd[0].doc);
+    assertEquals("First doc", count*distance+startOffset, doc.getField(field).numericValue().longValue() );
+    doc=searcher.doc(sd[sd.length-1].doc);
+    assertEquals("Last doc", (noDocs-1)*distance+startOffset, doc.getField(field).numericValue().longValue() );
+
+    q= LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, null, true, false);
+    topDocs = searcher.search(q, noDocs, Sort.INDEXORDER);
+    sd = topDocs.scoreDocs;
+    assertNotNull(sd);
+    assertEquals("Score doc count", noDocs-count, sd.length );
+    doc=searcher.doc(sd[0].doc);
+    assertEquals("First doc", count*distance+startOffset, doc.getField(field).numericValue().longValue() );
+    doc=searcher.doc(sd[sd.length-1].doc);
+    assertEquals("Last doc", (noDocs-1)*distance+startOffset, doc.getField(field).numericValue().longValue() );
+  }
+  
+  @Test
+  public void testRightOpenRange_8bit() throws Exception {
+    testRightOpenRange(8);
+  }
+  
+  @Test
+  public void testRightOpenRange_6bit() throws Exception {
+    testRightOpenRange(6);
+  }
+  
+  @Test
+  public void testRightOpenRange_4bit() throws Exception {
+    testRightOpenRange(4);
+  }
+  
+  @Test
+  public void testRightOpenRange_2bit() throws Exception {
+    testRightOpenRange(2);
+  }
+  
+  @Test
+  public void testInfiniteValues() throws Exception {
+    Directory dir = newDirectory();
+    RandomIndexWriter writer = new RandomIndexWriter(random(), dir,
+      newIndexWriterConfig(new MockAnalyzer(random())));
+    Document doc = new Document();
+    doc.add(new LegacyDoubleField("double", Double.NEGATIVE_INFINITY, Field.Store.NO));
+    doc.add(new LegacyLongField("long", Long.MIN_VALUE, Field.Store.NO));
+    writer.addDocument(doc);
+    
+    doc = new Document();
+    doc.add(new LegacyDoubleField("double", Double.POSITIVE_INFINITY, Field.Store.NO));
+    doc.add(new LegacyLongField("long", Long.MAX_VALUE, Field.Store.NO));
+    writer.addDocument(doc);
+    
+    doc = new Document();
+    doc.add(new LegacyDoubleField("double", 0.0, Field.Store.NO));
+    doc.add(new LegacyLongField("long", 0L, Field.Store.NO));
+    writer.addDocument(doc);
+    
+    for (double d : TestLegacyNumericUtils.DOUBLE_NANs) {
+      doc = new Document();
+      doc.add(new LegacyDoubleField("double", d, Field.Store.NO));
+      writer.addDocument(doc);
+    }
+    
+    writer.close();
+    
+    IndexReader r = DirectoryReader.open(dir);
+    IndexSearcher s = newSearcher(r);
+    
+    Query q= LegacyNumericRangeQuery.newLongRange("long", null, null, true, true);
+    TopDocs topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 3,  topDocs.scoreDocs.length );
+    
+    q= LegacyNumericRangeQuery.newLongRange("long", null, null, false, false);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 3,  topDocs.scoreDocs.length );
+
+    q= LegacyNumericRangeQuery.newLongRange("long", Long.MIN_VALUE, Long.MAX_VALUE, true, true);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 3,  topDocs.scoreDocs.length );
+    
+    q= LegacyNumericRangeQuery.newLongRange("long", Long.MIN_VALUE, Long.MAX_VALUE, false, false);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 1,  topDocs.scoreDocs.length );
+
+    q= LegacyNumericRangeQuery.newDoubleRange("double", null, null, true, true);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 3,  topDocs.scoreDocs.length );
+
+    q= LegacyNumericRangeQuery.newDoubleRange("double", null, null, false, false);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 3,  topDocs.scoreDocs.length );
+
+    q= LegacyNumericRangeQuery.newDoubleRange("double", Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY, true, true);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 3,  topDocs.scoreDocs.length );
+
+    q= LegacyNumericRangeQuery.newDoubleRange("double", Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY, false, false);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", 1,  topDocs.scoreDocs.length );
+
+    q= LegacyNumericRangeQuery.newDoubleRange("double", Double.NaN, Double.NaN, true, true);
+    topDocs = s.search(q, 10);
+    assertEquals("Score doc count", TestLegacyNumericUtils.DOUBLE_NANs.length,  topDocs.scoreDocs.length );
+
+    r.close();
+    dir.close();
+  }
+  
+  private void testRangeSplit(int precisionStep) throws Exception {
+    String field="ascfield"+precisionStep;
+    // 10 random tests
+    int num = TestUtil.nextInt(random(), 10, 20);
+    for (int i = 0; i < num; i++) {
+      long lower=(long)(random().nextDouble()*noDocs - noDocs/2);
+      long upper=(long)(random().nextDouble()*noDocs - noDocs/2);
+      if (lower>upper) {
+        long a=lower; lower=upper; upper=a;
+      }
+      // test inclusive range
+      Query tq= LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, upper, true, true);
+      TopDocs tTopDocs = searcher.search(tq, 1);
+      assertEquals("Returned count of range query must be equal to inclusive range length", upper-lower+1, tTopDocs.totalHits );
+      // test exclusive range
+      tq= LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, upper, false, false);
+      tTopDocs = searcher.search(tq, 1);
+      assertEquals("Returned count of range query must be equal to exclusive range length", Math.max(upper-lower-1, 0), tTopDocs.totalHits );
+      // test left exclusive range
+      tq= LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, upper, false, true);
+      tTopDocs = searcher.search(tq, 1);
+      assertEquals("Returned count of range query must be equal to half exclusive range length", upper-lower, tTopDocs.totalHits );
+      // test right exclusive range
+      tq= LegacyNumericRangeQuery.newLongRange(field, precisionStep, lower, upper, true, false);
+      tTopDocs = searcher.search(tq, 1);
+      assertEquals("Returned count of range query must be equal to half exclusive range length", upper-lower, tTopDocs.totalHits );
+    }
+  }
+
+  @Test
+  public void testRangeSplit_8bit() throws Exception {
+    testRangeSplit(8);
+  }
+  
+  @Test
+  public void testRangeSplit_6bit() throws Exception {
+    testRangeSplit(6);
+  }
+  
+  @Test
+  public void testRangeSplit_4bit() throws Exception {
+    testRangeSplit(4);
+  }
+  
+  @Test
+  public void testRangeSplit_2bit() throws Exception {
+    testRangeSplit(2);
+  }
+  
+  /** we fake a double test using long2double conversion of LegacyNumericUtils */
+  private void testDoubleRange(int precisionStep) throws Exception {
+    final String field="ascfield"+precisionStep;
+    final long lower=-1000L, upper=+2000L;
+    
+    Query tq= LegacyNumericRangeQuery.newDoubleRange(field, precisionStep,
+        NumericUtils.sortableLongToDouble(lower), NumericUtils.sortableLongToDouble(upper), true, true);
+    TopDocs tTopDocs = searcher.search(tq, 1);
+    assertEquals("Returned count of range query must be equal to inclusive range length", upper-lower+1, tTopDocs.totalHits );
+  }
+
+  @Test
+  public void testDoubleRange_8bit() throws Exception {
+    testDoubleRange(8);
+  }
+  
+  @Test
+  public void testDoubleRange_6bit() throws Exception {
+    testDoubleRange(6);
+  }
+  
+  @Test
+  public void testDoubleRange_4bit() throws Exception {
+    testDoubleRange(4);
+  }
+  
+  @Test
+  public void testDoubleRange_2bit() throws Exception {
+    testDoubleRange(2);
+  }
+  
+  @Test
+  public void testEqualsAndHash() throws Exception {
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test1", 4, 10L, 20L, true, true));
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test2", 4, 10L, 20L, false, true));
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test3", 4, 10L, 20L, true, false));
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test4", 4, 10L, 20L, false, false));
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test5", 4, 10L, null, true, true));
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test6", 4, null, 20L, true, true));
+    QueryUtils.checkHashEquals(LegacyNumericRangeQuery.newLongRange("test7", 4, null, null, true, true));
+    QueryUtils.checkEqual(
+      LegacyNumericRangeQuery.newLongRange("test8", 4, 10L, 20L, true, true),
+      LegacyNumericRangeQuery.newLongRange("test8", 4, 10L, 20L, true, true)
+    );
+    QueryUtils.checkUnequal(
+      LegacyNumericRangeQuery.newLongRange("test9", 4, 10L, 20L, true, true),
+      LegacyNumericRangeQuery.newLongRange("test9", 8, 10L, 20L, true, true)
+    );
+    QueryUtils.checkUnequal(
+      LegacyNumericRangeQuery.newLongRange("test10a", 4, 10L, 20L, true, true),
+      LegacyNumericRangeQuery.newLongRange("test10b", 4, 10L, 20L, true, true)
+    );
+    QueryUtils.checkUnequal(
+      LegacyNumericRangeQuery.newLongRange("test11", 4, 10L, 20L, true, true),
+      LegacyNumericRangeQuery.newLongRange("test11", 4, 20L, 10L, true, true)
+    );
+    QueryUtils.checkUnequal(
+      LegacyNumericRangeQuery.newLongRange("test12", 4, 10L, 20L, true, true),
+      LegacyNumericRangeQuery.newLongRange("test12", 4, 10L, 20L, false, true)
+    );
+    QueryUtils.checkUnequal(
+      LegacyNumericRangeQuery.newLongRange("test13", 4, 10L, 20L, true, true),
+      LegacyNumericRangeQuery.newFloatRange("test13", 4, 10f, 20f, true, true)
+    );
+     // difference to int range is tested in TestNumericRangeQuery32
+  }
+}

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/legacy/TestNumericTokenStream.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/legacy/TestNumericTokenStream.java b/solr/core/src/test/org/apache/solr/legacy/TestNumericTokenStream.java
new file mode 100644
index 0000000..b2e3781
--- /dev/null
+++ b/solr/core/src/test/org/apache/solr/legacy/TestNumericTokenStream.java
@@ -0,0 +1,188 @@
+/*
+ * 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.solr.legacy;
+
+
+import org.apache.lucene.util.AttributeImpl;
+import org.apache.lucene.util.BytesRef;
+import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
+import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
+import org.apache.solr.legacy.LegacyNumericTokenStream;
+import org.apache.solr.legacy.LegacyNumericUtils;
+import org.apache.solr.legacy.LegacyNumericTokenStream.LegacyNumericTermAttributeImpl;
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
+import org.apache.lucene.analysis.tokenattributes.CharTermAttributeImpl;
+
+@Deprecated
+public class TestNumericTokenStream extends BaseTokenStreamTestCase {
+
+  final long lvalue = random().nextLong();
+  final int ivalue = random().nextInt();
+
+  public void testLongStream() throws Exception {
+    @SuppressWarnings("resource")
+    final LegacyNumericTokenStream stream=new LegacyNumericTokenStream().setLongValue(lvalue);
+    final TermToBytesRefAttribute bytesAtt = stream.getAttribute(TermToBytesRefAttribute.class);
+    assertNotNull(bytesAtt);
+    final TypeAttribute typeAtt = stream.getAttribute(TypeAttribute.class);
+    assertNotNull(typeAtt);
+    final LegacyNumericTokenStream.LegacyNumericTermAttribute numericAtt = stream.getAttribute(LegacyNumericTokenStream.LegacyNumericTermAttribute.class);
+    assertNotNull(numericAtt);
+    stream.reset();
+    assertEquals(64, numericAtt.getValueSize());
+    for (int shift=0; shift<64; shift+= LegacyNumericUtils.PRECISION_STEP_DEFAULT) {
+      assertTrue("New token is available", stream.incrementToken());
+      assertEquals("Shift value wrong", shift, numericAtt.getShift());
+      assertEquals("Term is incorrectly encoded", lvalue & ~((1L << shift) - 1L), LegacyNumericUtils.prefixCodedToLong(bytesAtt.getBytesRef()));
+      assertEquals("Term raw value is incorrectly encoded", lvalue & ~((1L << shift) - 1L), numericAtt.getRawValue());
+      assertEquals("Type incorrect", (shift == 0) ? LegacyNumericTokenStream.TOKEN_TYPE_FULL_PREC : LegacyNumericTokenStream.TOKEN_TYPE_LOWER_PREC, typeAtt.type());
+    }
+    assertFalse("More tokens available", stream.incrementToken());
+    stream.end();
+    stream.close();
+  }
+
+  public void testIntStream() throws Exception {
+    @SuppressWarnings("resource")
+    final LegacyNumericTokenStream stream=new LegacyNumericTokenStream().setIntValue(ivalue);
+    final TermToBytesRefAttribute bytesAtt = stream.getAttribute(TermToBytesRefAttribute.class);
+    assertNotNull(bytesAtt);
+    final TypeAttribute typeAtt = stream.getAttribute(TypeAttribute.class);
+    assertNotNull(typeAtt);
+    final LegacyNumericTokenStream.LegacyNumericTermAttribute numericAtt = stream.getAttribute(LegacyNumericTokenStream.LegacyNumericTermAttribute.class);
+    assertNotNull(numericAtt);
+    stream.reset();
+    assertEquals(32, numericAtt.getValueSize());
+    for (int shift=0; shift<32; shift+= LegacyNumericUtils.PRECISION_STEP_DEFAULT) {
+      assertTrue("New token is available", stream.incrementToken());
+      assertEquals("Shift value wrong", shift, numericAtt.getShift());
+      assertEquals("Term is incorrectly encoded", ivalue & ~((1 << shift) - 1), LegacyNumericUtils.prefixCodedToInt(bytesAtt.getBytesRef()));
+      assertEquals("Term raw value is incorrectly encoded", ((long) ivalue) & ~((1L << shift) - 1L), numericAtt.getRawValue());
+      assertEquals("Type incorrect", (shift == 0) ? LegacyNumericTokenStream.TOKEN_TYPE_FULL_PREC : LegacyNumericTokenStream.TOKEN_TYPE_LOWER_PREC, typeAtt.type());
+    }
+    assertFalse("More tokens available", stream.incrementToken());
+    stream.end();
+    stream.close();
+  }
+  
+  public void testNotInitialized() throws Exception {
+    final LegacyNumericTokenStream stream=new LegacyNumericTokenStream();
+    
+    expectThrows(IllegalStateException.class, () -> {
+      stream.reset();
+    });
+
+    expectThrows(IllegalStateException.class, () -> {
+      stream.incrementToken();
+    });
+    
+    stream.close();
+  }
+  
+  public static interface TestAttribute extends CharTermAttribute {}
+  public static class TestAttributeImpl extends CharTermAttributeImpl implements TestAttribute {}
+  
+  public void testCTA() throws Exception {
+    final LegacyNumericTokenStream stream=new LegacyNumericTokenStream();
+    IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () -> {
+      stream.addAttribute(CharTermAttribute.class);
+    });
+    assertTrue(e.getMessage().startsWith("LegacyNumericTokenStream does not support"));
+
+    e = expectThrows(IllegalArgumentException.class, () -> {
+      stream.addAttribute(TestAttribute.class);
+    });
+    assertTrue(e.getMessage().startsWith("LegacyNumericTokenStream does not support"));
+    stream.close();
+  }
+  
+  /** LUCENE-7027 */
+  public void testCaptureStateAfterExhausted() throws Exception {
+    // default precstep
+    try (LegacyNumericTokenStream stream=new LegacyNumericTokenStream()) {
+      // int
+      stream.setIntValue(ivalue);
+      stream.reset();
+      while (stream.incrementToken());
+      stream.captureState();
+      stream.end();
+      stream.captureState();
+      // long
+      stream.setLongValue(lvalue);
+      stream.reset();
+      while (stream.incrementToken());
+      stream.captureState();
+      stream.end();
+      stream.captureState();
+    }
+    // huge precstep
+    try (LegacyNumericTokenStream stream=new LegacyNumericTokenStream(Integer.MAX_VALUE)) {
+      // int
+      stream.setIntValue(ivalue);
+      stream.reset();
+      while (stream.incrementToken());
+      stream.captureState();
+      stream.end();
+      stream.captureState();
+      // long
+      stream.setLongValue(lvalue);
+      stream.reset();
+      while (stream.incrementToken());
+      stream.captureState();
+      stream.end();
+      stream.captureState();
+    }
+  }
+  
+  public void testAttributeClone() throws Exception {
+    LegacyNumericTermAttributeImpl att = new LegacyNumericTermAttributeImpl();
+    att.init(lvalue, 64, 8, 0); // set some value, to make getBytesRef() work
+    LegacyNumericTermAttributeImpl copy = assertCloneIsEqual(att);
+    assertNotSame(att.getBytesRef(), copy.getBytesRef());
+    LegacyNumericTermAttributeImpl copy2 = assertCopyIsEqual(att);
+    assertNotSame(att.getBytesRef(), copy2.getBytesRef());
+    
+    // LUCENE-7027 test
+    att.init(lvalue, 64, 8, 64); // Exhausted TokenStream -> should return empty BytesRef
+    assertEquals(new BytesRef(), att.getBytesRef());
+    copy = assertCloneIsEqual(att);
+    assertEquals(new BytesRef(), copy.getBytesRef());
+    assertNotSame(att.getBytesRef(), copy.getBytesRef());
+    copy2 = assertCopyIsEqual(att);
+    assertEquals(new BytesRef(), copy2.getBytesRef());
+    assertNotSame(att.getBytesRef(), copy2.getBytesRef());
+  }
+  
+  public static <T extends AttributeImpl> T assertCloneIsEqual(T att) {
+    @SuppressWarnings("unchecked")
+    T clone = (T) att.clone();
+    assertEquals("Clone must be equal", att, clone);
+    assertEquals("Clone's hashcode must be equal", att.hashCode(), clone.hashCode());
+    return clone;
+  }
+
+  public static <T extends AttributeImpl> T assertCopyIsEqual(T att) throws Exception {
+    @SuppressWarnings("unchecked")
+    T copy = (T) att.getClass().newInstance();
+    att.copyTo(copy);
+    assertEquals("Copied instance must be equal", att, copy);
+    assertEquals("Copied instance's hashcode must be equal", att.hashCode(), copy.hashCode());
+    return copy;
+  }
+  
+}

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/search/TestLegacyNumericRangeQueryBuilder.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/search/TestLegacyNumericRangeQueryBuilder.java b/solr/core/src/test/org/apache/solr/search/TestLegacyNumericRangeQueryBuilder.java
index 3e147c2..a083bfd 100644
--- a/solr/core/src/test/org/apache/solr/search/TestLegacyNumericRangeQueryBuilder.java
+++ b/solr/core/src/test/org/apache/solr/search/TestLegacyNumericRangeQueryBuilder.java
@@ -18,7 +18,7 @@ package org.apache.solr.search;
 
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.legacy.LegacyNumericRangeQuery;
+import org.apache.solr.legacy.LegacyNumericRangeQuery;
 import org.apache.lucene.queryparser.xml.ParserException;
 import org.w3c.dom.Document;
 import org.xml.sax.SAXException;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/search/TestMaxScoreQueryParser.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/search/TestMaxScoreQueryParser.java b/solr/core/src/test/org/apache/solr/search/TestMaxScoreQueryParser.java
index e995f1e..53caf77 100644
--- a/solr/core/src/test/org/apache/solr/search/TestMaxScoreQueryParser.java
+++ b/solr/core/src/test/org/apache/solr/search/TestMaxScoreQueryParser.java
@@ -17,7 +17,7 @@
 package org.apache.solr.search;
 
 import org.apache.lucene.index.Term;
-import org.apache.lucene.legacy.LegacyNumericRangeQuery;
+import org.apache.solr.legacy.LegacyNumericRangeQuery;
 import org.apache.lucene.search.*;
 import org.apache.solr.common.params.MapSolrParams;
 import org.apache.solr.common.params.ModifiableSolrParams;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/search/TestSolr4Spatial.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/search/TestSolr4Spatial.java b/solr/core/src/test/org/apache/solr/search/TestSolr4Spatial.java
index 8cd96ae..895fb83 100644
--- a/solr/core/src/test/org/apache/solr/search/TestSolr4Spatial.java
+++ b/solr/core/src/test/org/apache/solr/search/TestSolr4Spatial.java
@@ -24,7 +24,7 @@ import org.locationtech.spatial4j.context.SpatialContext;
 import org.locationtech.spatial4j.distance.DistanceUtils;
 import org.locationtech.spatial4j.shape.Point;
 import org.locationtech.spatial4j.shape.Rectangle;
-import org.apache.lucene.spatial.bbox.BBoxStrategy;
+import org.apache.solr.legacy.BBoxStrategy;
 import org.apache.solr.SolrTestCaseJ4;
 import org.apache.solr.common.SolrException;
 import org.apache.solr.core.SolrCore;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/search/function/TestOrdValues.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/search/function/TestOrdValues.java b/solr/core/src/test/org/apache/solr/search/function/TestOrdValues.java
index b3a70ae..f7918d7 100644
--- a/solr/core/src/test/org/apache/solr/search/function/TestOrdValues.java
+++ b/solr/core/src/test/org/apache/solr/search/function/TestOrdValues.java
@@ -29,8 +29,8 @@ import org.apache.lucene.index.DirectoryReader;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.legacy.LegacyFloatField;
-import org.apache.lucene.legacy.LegacyIntField;
+import org.apache.solr.legacy.LegacyFloatField;
+import org.apache.solr.legacy.LegacyIntField;
 import org.apache.lucene.queries.function.FunctionQuery;
 import org.apache.lucene.queries.function.ValueSource;
 import org.apache.lucene.queries.function.valuesource.FloatFieldSource;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/uninverting/TestDocTermOrds.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/uninverting/TestDocTermOrds.java b/solr/core/src/test/org/apache/solr/uninverting/TestDocTermOrds.java
index 69b89b4..873c095 100644
--- a/solr/core/src/test/org/apache/solr/uninverting/TestDocTermOrds.java
+++ b/solr/core/src/test/org/apache/solr/uninverting/TestDocTermOrds.java
@@ -43,9 +43,9 @@ import org.apache.lucene.index.SortedSetDocValues;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.index.Terms;
 import org.apache.lucene.index.TermsEnum.SeekStatus;
-import org.apache.lucene.legacy.LegacyIntField;
-import org.apache.lucene.legacy.LegacyLongField;
-import org.apache.lucene.legacy.LegacyNumericUtils;
+import org.apache.solr.legacy.LegacyIntField;
+import org.apache.solr.legacy.LegacyLongField;
+import org.apache.solr.legacy.LegacyNumericUtils;
 import org.apache.lucene.index.TermsEnum;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.BytesRef;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/uninverting/TestFieldCacheSort.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/uninverting/TestFieldCacheSort.java b/solr/core/src/test/org/apache/solr/uninverting/TestFieldCacheSort.java
index d53f610..9588e67 100644
--- a/solr/core/src/test/org/apache/solr/uninverting/TestFieldCacheSort.java
+++ b/solr/core/src/test/org/apache/solr/uninverting/TestFieldCacheSort.java
@@ -37,10 +37,10 @@ import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.MultiReader;
 import org.apache.lucene.index.RandomIndexWriter;
 import org.apache.lucene.index.Term;
-import org.apache.lucene.legacy.LegacyDoubleField;
-import org.apache.lucene.legacy.LegacyFloatField;
-import org.apache.lucene.legacy.LegacyIntField;
-import org.apache.lucene.legacy.LegacyLongField;
+import org.apache.solr.legacy.LegacyDoubleField;
+import org.apache.solr.legacy.LegacyFloatField;
+import org.apache.solr.legacy.LegacyIntField;
+import org.apache.solr.legacy.LegacyLongField;
 import org.apache.lucene.search.BooleanClause.Occur;
 import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.IndexSearcher;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/uninverting/TestLegacyFieldCache.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/uninverting/TestLegacyFieldCache.java b/solr/core/src/test/org/apache/solr/uninverting/TestLegacyFieldCache.java
index e38e193..b75bab5 100644
--- a/solr/core/src/test/org/apache/solr/uninverting/TestLegacyFieldCache.java
+++ b/solr/core/src/test/org/apache/solr/uninverting/TestLegacyFieldCache.java
@@ -32,10 +32,10 @@ import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.NumericDocValues;
 import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.legacy.LegacyDoubleField;
-import org.apache.lucene.legacy.LegacyFloatField;
-import org.apache.lucene.legacy.LegacyIntField;
-import org.apache.lucene.legacy.LegacyLongField;
+import org.apache.solr.legacy.LegacyDoubleField;
+import org.apache.solr.legacy.LegacyFloatField;
+import org.apache.solr.legacy.LegacyIntField;
+import org.apache.solr.legacy.LegacyLongField;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms32.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms32.java b/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms32.java
index 6fed73b..b9392b7 100644
--- a/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms32.java
+++ b/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms32.java
@@ -23,9 +23,9 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.legacy.LegacyFieldType;
-import org.apache.lucene.legacy.LegacyIntField;
-import org.apache.lucene.legacy.LegacyNumericRangeQuery;
+import org.apache.solr.legacy.LegacyFieldType;
+import org.apache.solr.legacy.LegacyIntField;
+import org.apache.solr.legacy.LegacyNumericRangeQuery;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.ScoreDoc;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms64.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms64.java b/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms64.java
index 2f341b7..61a3579 100644
--- a/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms64.java
+++ b/solr/core/src/test/org/apache/solr/uninverting/TestNumericTerms64.java
@@ -23,9 +23,9 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.legacy.LegacyFieldType;
-import org.apache.lucene.legacy.LegacyLongField;
-import org.apache.lucene.legacy.LegacyNumericRangeQuery;
+import org.apache.solr.legacy.LegacyFieldType;
+import org.apache.solr.legacy.LegacyLongField;
+import org.apache.solr.legacy.LegacyNumericRangeQuery;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.ScoreDoc;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/759fa42b/solr/core/src/test/org/apache/solr/uninverting/TestUninvertingReader.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/uninverting/TestUninvertingReader.java b/solr/core/src/test/org/apache/solr/uninverting/TestUninvertingReader.java
index e9e94e2..f140ce2 100644
--- a/solr/core/src/test/org/apache/solr/uninverting/TestUninvertingReader.java
+++ b/solr/core/src/test/org/apache/solr/uninverting/TestUninvertingReader.java
@@ -40,10 +40,10 @@ import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.SortedSetDocValues;
-import org.apache.lucene.legacy.LegacyFieldType;
-import org.apache.lucene.legacy.LegacyIntField;
-import org.apache.lucene.legacy.LegacyLongField;
-import org.apache.lucene.legacy.LegacyNumericUtils;
+import org.apache.solr.legacy.LegacyFieldType;
+import org.apache.solr.legacy.LegacyIntField;
+import org.apache.solr.legacy.LegacyLongField;
+import org.apache.solr.legacy.LegacyNumericUtils;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.LuceneTestCase;