From 5524eeb53f4421d4ddacff7dd95330580f481135 Mon Sep 17 00:00:00 2001
From: Robert Muir <rmuir@apache.org>
Date: Tue, 29 Jan 2013 14:00:43 +0000
Subject: [PATCH] add test

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene4547@1439897 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/lucene/index/Test2BDocValues.java  | 84 +++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 lucene/core/src/test/org/apache/lucene/index/Test2BDocValues.java

diff --git a/lucene/core/src/test/org/apache/lucene/index/Test2BDocValues.java b/lucene/core/src/test/org/apache/lucene/index/Test2BDocValues.java
new file mode 100644
index 00000000000..09f9fc98615
--- /dev/null
+++ b/lucene/core/src/test/org/apache/lucene/index/Test2BDocValues.java
@@ -0,0 +1,84 @@
+package org.apache.lucene.index;
+
+/*
+ * 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.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.NumericDocValuesField;
+import org.apache.lucene.store.BaseDirectoryWrapper;
+import org.apache.lucene.store.MockDirectoryWrapper;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.TimeUnits;
+import org.apache.lucene.util._TestUtil;
+import org.junit.Ignore;
+
+import com.carrotsearch.randomizedtesting.annotations.TimeoutSuite;
+
+@TimeoutSuite(millis = 80 * TimeUnits.HOUR)
+@Ignore("probably very slow")
+public class Test2BDocValues extends LuceneTestCase {
+  
+  // indexes Integer.MAX_VALUE docs with an increasing dv field
+  public void testNumerics() throws Exception {
+    BaseDirectoryWrapper dir = newFSDirectory(_TestUtil.getTempDir("2BNumerics"));
+    if (dir instanceof MockDirectoryWrapper) {
+      ((MockDirectoryWrapper)dir).setThrottling(MockDirectoryWrapper.Throttling.NEVER);
+    }
+    
+    IndexWriter w = new IndexWriter(dir,
+        new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()))
+        .setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH)
+        .setRAMBufferSizeMB(256.0)
+        .setMergeScheduler(new ConcurrentMergeScheduler())
+        .setMergePolicy(newLogMergePolicy(false, 10))
+        .setOpenMode(IndexWriterConfig.OpenMode.CREATE));
+
+    Document doc = new Document();
+    NumericDocValuesField dvField = new NumericDocValuesField("dv", 0);
+    doc.add(dvField);
+    
+    for (int i = 0; i < Integer.MAX_VALUE; i++) {
+      dvField.setLongValue(i);
+      w.addDocument(doc);
+      if (i % 100000 == 0) {
+        System.out.println("indexed: " + i);
+        System.out.flush();
+      }
+    }
+    
+    w.forceMerge(1);
+    w.close();
+    
+    System.out.println("verifying...");
+    System.out.flush();
+    
+    DirectoryReader r = DirectoryReader.open(dir);
+    long expectedValue = 0;
+    for (AtomicReaderContext context : r.leaves()) {
+      AtomicReader reader = context.reader();
+      NumericDocValues dv = reader.getNumericDocValues("dv");
+      for (int i = 0; i < reader.maxDoc(); i++) {
+        assertEquals(expectedValue, dv.get(i));
+        expectedValue++;
+      }
+    }
+    
+    r.close();
+    dir.close();
+  }
+}