LUCENE-4471: Test fields data files larger than 4GB.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1396656 13f79535-47bb-0310-9956-ffa450edef68

lucene/core/src/test/org/apache/lucene/index/Test4GBStoredFields.java

@@ -0,0 +1,121 @@
+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.Field;
+import org.apache.lucene.document.FieldType;
+import org.apache.lucene.store.BaseDirectoryWrapper;
+import org.apache.lucene.store.MockDirectoryWrapper;
+import org.apache.lucene.util.BytesRef;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.TimeUnits;
+import org.apache.lucene.util._TestUtil;
+import org.apache.lucene.util.LuceneTestCase.SuppressCodecs;
+
+import com.carrotsearch.randomizedtesting.annotations.TimeoutSuite;
+import com.carrotsearch.randomizedtesting.generators.RandomInts;
+
+/**
+ * This test creates an index with one segment that is a little larger than 4GB.
+ */
+@SuppressCodecs({ "SimpleText" })
+@TimeoutSuite(millis = 4 * TimeUnits.HOUR)
+public class Test4GBStoredFields extends LuceneTestCase {
+
+  @Nightly
+  public void test() throws Exception {
+    BaseDirectoryWrapper dir = newFSDirectory(_TestUtil.getTempDir("4GBStoredFields"));
+    if (dir instanceof MockDirectoryWrapper) {
+      ((MockDirectoryWrapper)dir).setThrottling(MockDirectoryWrapper.Throttling.NEVER);
+    }
+    dir.setCheckIndexOnClose(false); // don't double-checkindex
+
+    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));
+
+    MergePolicy mp = w.getConfig().getMergePolicy();
+    if (mp instanceof LogByteSizeMergePolicy) {
+     // 1 petabyte:
+     ((LogByteSizeMergePolicy) mp).setMaxMergeMB(1024*1024*1024);
+    }
+
+    final Document doc = new Document();
+    final FieldType ft = new FieldType();
+    ft.setIndexed(false);
+    ft.setStored(true);
+    ft.freeze();
+    final int valueLength = RandomInts.randomIntBetween(random(), 1 << 13, 1 << 20);
+    final byte[] value = new byte[valueLength];
+    for (int i = 0; i < valueLength; ++i) {
+      // random so that even compressing codecs can't compress it
+      value[i] = (byte) random().nextInt(256);
+    }
+    final Field f = new Field("fld", value, ft);
+    doc.add(f);
+
+    final int numDocs = (int) ((1L << 32) / valueLength + 100);
+    for (int i = 0; i < numDocs; ++i) {
+      w.addDocument(doc);
+      if (VERBOSE && i % (numDocs / 10) == 0) {
+        System.out.println(i + " of " + numDocs + "...");
+      }
+    }
+    w.forceMerge(1);
+    w.close();
+    if (VERBOSE) {
+      boolean found = false;
+      for (String file : dir.listAll()) {
+        if (file.endsWith(".fdt")) {
+          final long fileLength = dir.fileLength(file);
+          if (fileLength >= 1L << 32) {
+            found = true;
+          }
+          System.out.println("File length of " + file + " : " + fileLength);
+        }
+      }
+      if (!found) {
+        System.out.println("No .fdt file larger than 4GB, test bug?");
+      }
+    }
+
+    CheckIndex ci = new CheckIndex(dir);
+    if (VERBOSE) {
+      ci.setInfoStream(System.out);
+    }
+    ci.checkIndex();
+
+    DirectoryReader rd = DirectoryReader.open(dir);
+    StoredDocument sd = rd.document(numDocs - 1);
+    assertNotNull(sd);
+    assertEquals(1, sd.getFields().size());
+    BytesRef valueRef = sd.getBinaryValue("fld");
+    assertNotNull(valueRef);
+    assertEquals(new BytesRef(value), valueRef);
+    rd.close();
+
+    dir.close();
+  }
+
+}