improve tests; fix a couple nocommits

lucene/core/src/java/org/apache/lucene/search/PointInSetQuery.java

@@ -42,7 +42,6 @@ import org.apache.lucene.util.StringHelper;
 /** Finds all documents whose point value, previously indexed with e.g. {@link org.apache.lucene.document.LongPoint}, is contained in the
  *  specified set */
 
-// nocommit explain that the 1D case must be pre-sorted
 public class PointInSetQuery extends Query {
   // A little bit overkill for us, since all of our "terms" are always in the same field:
   final PrefixCodedTerms sortedPackedPoints;
@@ -51,7 +50,7 @@ public class PointInSetQuery extends Query {
   final int numDims;
   final int bytesPerDim;
 
-  /** {@code packedPoints} must already be sorted! */
+  /** In the 1D case, the {@code packedPoints} iterator must be in sorted order. */
   protected PointInSetQuery(String field, int numDims, int bytesPerDim, BytesRefIterator packedPoints) throws IOException {
     this.field = field;
     if (bytesPerDim < 1 || bytesPerDim > PointValues.MAX_NUM_BYTES) {
@@ -61,6 +60,7 @@ public class PointInSetQuery extends Query {
     if (numDims < 1 || numDims > PointValues.MAX_DIMENSIONS) {
       throw new IllegalArgumentException("numDims must be > 0 and <= " + PointValues.MAX_DIMENSIONS + "; got " + numDims);
     }
+
     this.numDims = numDims;
 
     // In the 1D case this works well (the more points, the more common prefixes they share, typically), but in
@@ -74,9 +74,13 @@ public class PointInSetQuery extends Query {
       }
       if (previous == null) {
         previous = new BytesRefBuilder();
-      // nocommit detect out-of-order 1D case
+      } else {
-      } else if (previous.get().equals(current)) {
+        int cmp = previous.get().compareTo(current);
-        continue; // deduplicate
+        if (cmp == 0) {
+          continue; // deduplicate
+        } else if (numDims == 1 && cmp > 0) {
+          throw new IllegalArgumentException("numDims=1 and values are out of order: saw " + previous + " before " + current);
+        }
       }
       builder.add(field, current);
       previous.copyBytes(current);

lucene/core/src/test/org/apache/lucene/search/TestPointQueries.java

@@ -96,6 +96,33 @@ public class TestPointQueries extends LuceneTestCase {
     }
   }
 
+  public void testBasicInts() throws Exception {
+    Directory dir = newDirectory();
+    IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(new MockAnalyzer(random())));
+
+    Document doc = new Document();
+    doc.add(new IntPoint("point", -7));
+    w.addDocument(doc);
+
+    doc = new Document();
+    doc.add(new IntPoint("point", 0));
+    w.addDocument(doc);
+
+    doc = new Document();
+    doc.add(new IntPoint("point", 3));
+    w.addDocument(doc);
+
+    DirectoryReader r = DirectoryReader.open(w);
+    IndexSearcher s = new IndexSearcher(r);
+    assertEquals(2, s.count(IntPoint.newRangeQuery("point", -8, false, 1, false)));
+    assertEquals(3, s.count(IntPoint.newRangeQuery("point", -7, true, 3, true)));
+    assertEquals(1, s.count(IntPoint.newExactQuery("point", -7)));
+    assertEquals(0, s.count(IntPoint.newExactQuery("point", -6)));
+    w.close();
+    r.close();
+    dir.close();
+  }
+
   public void testBasicFloats() throws Exception {
     Directory dir = newDirectory();
     IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(new MockAnalyzer(random())));
@@ -123,6 +150,33 @@ public class TestPointQueries extends LuceneTestCase {
     dir.close();
   }
 
+  public void testBasicLongs() throws Exception {
+    Directory dir = newDirectory();
+    IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(new MockAnalyzer(random())));
+
+    Document doc = new Document();
+    doc.add(new LongPoint("point", -7));
+    w.addDocument(doc);
+
+    doc = new Document();
+    doc.add(new LongPoint("point", 0));
+    w.addDocument(doc);
+
+    doc = new Document();
+    doc.add(new LongPoint("point", 3));
+    w.addDocument(doc);
+
+    DirectoryReader r = DirectoryReader.open(w);
+    IndexSearcher s = new IndexSearcher(r);
+    assertEquals(2, s.count(LongPoint.newRangeQuery("point", -8L, false, 1L, false)));
+    assertEquals(3, s.count(LongPoint.newRangeQuery("point", -7L, true, 3L, true)));
+    assertEquals(1, s.count(LongPoint.newExactQuery("point", -7L)));
+    assertEquals(0, s.count(LongPoint.newExactQuery("point", -6L)));
+    w.close();
+    r.close();
+    dir.close();
+  }
+
   public void testBasicDoubles() throws Exception {
     Directory dir = newDirectory();
     IndexWriter w = new IndexWriter(dir, new IndexWriterConfig(new MockAnalyzer(random())));
@@ -1194,16 +1248,18 @@ public class TestPointQueries extends LuceneTestCase {
     boolean useNarrowRange = random().nextBoolean();
     final Integer valueMin;
     final Integer valueMax;
+    int numValues;
     if (useNarrowRange) {
       int gap = random().nextInt(100);
       valueMin = random().nextInt(Integer.MAX_VALUE-gap);
       valueMax = valueMin + gap;
+      numValues = TestUtil.nextInt(random(), 1, gap+1);
     } else {
       valueMin = null;
       valueMax = null;
+      numValues = TestUtil.nextInt(random(), 1, 100);
     }
     final Set<Integer> valuesSet = new HashSet<>();
-    int numValues = TestUtil.nextInt(random(), 1, 100);
     while (valuesSet.size() < numValues) {
       valuesSet.add(randomIntValue(valueMin, valueMax));
     }
@@ -1285,7 +1341,7 @@ public class TestPointQueries extends LuceneTestCase {
 
               int numExtraValuesToQuery = random().nextInt(20);
               while (valuesToQuery.size() < numValidValuesToQuery + numExtraValuesToQuery) {
-                valuesToQuery.add(randomIntValue(valueMin, valueMax));
+                valuesToQuery.add(random().nextInt());
               }
 
               int expectedCount = 0;