public virtual void Test()
{
MockDirectoryWrapper dir = new MockDirectoryWrapper(Random(), new MMapDirectory(CreateTempDir("4GBStoredFields")));
dir.Throttling = MockDirectoryWrapper.Throttling_e.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_e.CREATE));
MergePolicy mp = w.Config.MergePolicy;
if (mp is LogByteSizeMergePolicy)
{
// 1 petabyte:
((LogByteSizeMergePolicy)mp).MaxMergeMB = 1024 * 1024 * 1024;
}
Document doc = new Document();
FieldType ft = new FieldType();
ft.Indexed = false;
ft.Stored = true;
ft.Freeze();
int valueLength = RandomInts.NextIntBetween(Random(), 1 << 13, 1 << 20);
var 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().Next(256);
}
Field f = new Field("fld", value, ft);
doc.Add(f);
int numDocs = (int)((1L << 32) / valueLength + 100);
for (int i = 0; i < numDocs; ++i)
{
w.AddDocument(doc);
if (VERBOSE && i % (numDocs / 10) == 0)
{
Console.WriteLine(i + " of " + numDocs + "...");
}
}
w.ForceMerge(1);
w.Dispose();
if (VERBOSE)
{
bool found = false;
foreach (string file in dir.ListAll())
{
if (file.EndsWith(".fdt"))
{
long fileLength = dir.FileLength(file);
if (fileLength >= 1L << 32)
{
found = true;
}
Console.WriteLine("File length of " + file + " : " + fileLength);
}
}
if (!found)
{
Console.WriteLine("No .fdt file larger than 4GB, test bug?");
}
}
DirectoryReader rd = DirectoryReader.Open(dir);
Document sd = rd.Document(numDocs - 1);
Assert.IsNotNull(sd);
Assert.AreEqual(1, sd.Fields.Count);
BytesRef valueRef = sd.GetBinaryValue("fld");
Assert.IsNotNull(valueRef);
Assert.AreEqual(new BytesRef(value), valueRef);
rd.Dispose();
dir.Dispose();
}
