@Monster("takes ~ 30 minutes")
public class Test2BNumericDocValues extends LuceneTestCase {
// indexes Integer.MAX_VALUE docs with an increasing dv field
public void testNumerics() throws Exception {
BaseDirectoryWrapper dir = newFSDirectory(createTempDir("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();
}