public void CreateIndex(Random random, Directory dir1, string indexName, bool multiSegment)
{
IndexWriter w = new IndexWriter(dir1, NewIndexWriterConfig(random, TEST_VERSION_CURRENT, new MockAnalyzer(random)).SetMergePolicy(new LogDocMergePolicy()));
for (int i = 0; i < 100; i++)
{
w.AddDocument(DocHelper.CreateDocument(i, indexName, 4));
}
if (!multiSegment)
{
w.ForceMerge(1);
}
w.Dispose();
}