Lucene.Net.Index.TestIndexReaderCloneNorms.TestNorms C# (CSharp) Method

		public virtual void  TestNorms()
		{
			// tmp dir
			System.String tempDir = System.IO.Path.GetTempPath();
			if (tempDir == null)
			{
				throw new System.IO.IOException("java.io.tmpdir undefined, cannot run test");
			}
			
			// test with a single index: index1
			System.IO.DirectoryInfo indexDir1 = new System.IO.DirectoryInfo(System.IO.Path.Combine(tempDir, "lucenetestindex1"));
			Directory dir1 = FSDirectory.Open(indexDir1);
			IndexWriter.Unlock(dir1);
			
			norms = new System.Collections.ArrayList();
			modifiedNorms = new System.Collections.ArrayList();
			
			CreateIndex(dir1);
			DoTestNorms(dir1);
			
			// test with a single index: index2
			System.Collections.ArrayList norms1 = norms;
			System.Collections.ArrayList modifiedNorms1 = modifiedNorms;
			int numDocNorms1 = numDocNorms;
			
			norms = new System.Collections.ArrayList();
			modifiedNorms = new System.Collections.ArrayList();
			numDocNorms = 0;
			
			System.IO.DirectoryInfo indexDir2 = new System.IO.DirectoryInfo(System.IO.Path.Combine(tempDir, "lucenetestindex2"));
			Directory dir2 = FSDirectory.Open(indexDir2);
			
			CreateIndex(dir2);
			DoTestNorms(dir2);
			
			// add index1 and index2 to a third index: index3
			System.IO.DirectoryInfo indexDir3 = new System.IO.DirectoryInfo(System.IO.Path.Combine(tempDir, "lucenetestindex3"));
			Directory dir3 = FSDirectory.Open(indexDir3);
			
			CreateIndex(dir3);
			IndexWriter iw = new IndexWriter(dir3, anlzr, false, IndexWriter.MaxFieldLength.LIMITED);
			iw.SetMaxBufferedDocs(5);
			iw.MergeFactor = 3;
			iw.AddIndexesNoOptimize(new Directory[]{dir1, dir2});
            iw.Optimize();
			iw.Close();
			
			norms1.AddRange(norms);
			norms = norms1;
			modifiedNorms1.AddRange(modifiedNorms);
			modifiedNorms = modifiedNorms1;
			numDocNorms += numDocNorms1;
			
			// test with index3
			VerifyIndex(dir3);
			DoTestNorms(dir3);
			
			// now with optimize
			iw = new IndexWriter(dir3, anlzr, false, IndexWriter.MaxFieldLength.LIMITED);
			iw.SetMaxBufferedDocs(5);
			iw.MergeFactor = 3;
			iw.Optimize();
			iw.Close();
			VerifyIndex(dir3);
			
			dir1.Close();
			dir2.Close();
			dir3.Close();
		}