X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestMultiLevelSkipList.java

diff --git a/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestMultiLevelSkipList.java b/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestMultiLevelSkipList.java
deleted file mode 100644
index 2f9ea31..0000000
--- a/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestMultiLevelSkipList.java
+++ /dev/null
@@ -1,173 +0,0 @@
-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 java.io.IOException;
-import java.io.Reader;
-
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.LowerCaseTokenizer;
-import org.apache.lucene.analysis.TokenFilter;
-import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field.Index;
-import org.apache.lucene.document.Field.Store;
-import org.apache.lucene.store.IndexInput;
-import org.apache.lucene.store.RAMDirectory;
-import org.apache.lucene.util.LuceneTestCase;
-
-/**
- * This testcase tests whether multi-level skipping is being used
- * to reduce I/O while skipping through posting lists.
- * 
- * Skipping in general is already covered by several other
- * testcases.
- * 
- */
-public class TestMultiLevelSkipList extends LuceneTestCase {
-  @Override
-  public void setUp() throws Exception {
-    super.setUp();
-    PayloadFilter.count = 0;
-  }
-
-  public void testSimpleSkip() throws IOException {
-    RAMDirectory dir = new RAMDirectory();
-    IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new PayloadAnalyzer()).setMergePolicy(newLogMergePolicy()));
-    Term term = new Term("test", "a");
-    for (int i = 0; i < 5000; i++) {
-      Document d1 = new Document();
-      d1.add(newField(term.field(), term.text(), Store.NO, Index.ANALYZED));
-      writer.addDocument(d1);
-    }
-    writer.commit();
-    writer.optimize();
-    writer.close();
-
-    IndexReader reader = SegmentReader.getOnlySegmentReader(dir);
-    SegmentTermPositions tp = (SegmentTermPositions) reader.termPositions();
-    tp.freqStream = new CountingStream(tp.freqStream);
-
-    for (int i = 0; i < 2; i++) {
-      counter = 0;
-      tp.seek(term);
-
-      checkSkipTo(tp, 14, 185); // no skips
-      checkSkipTo(tp, 17, 190); // one skip on level 0
-      checkSkipTo(tp, 287, 200); // one skip on level 1, two on level 0
-    
-      // this test would fail if we had only one skip level,
-      // because than more bytes would be read from the freqStream
-      checkSkipTo(tp, 4800, 250);// one skip on level 2
-    }
-  }
-
-  public void checkSkipTo(TermPositions tp, int target, int maxCounter) throws IOException {
-    tp.skipTo(target);
-    if (maxCounter < counter) {
-      fail("Too many bytes read: " + counter + " vs " + maxCounter);
-    }
-
-    assertEquals("Wrong document " + tp.doc() + " after skipTo target " + target, target, tp.doc());
-    assertEquals("Frequency is not 1: " + tp.freq(), 1,tp.freq());
-    tp.nextPosition();
-    byte[] b = new byte[1];
-    tp.getPayload(b, 0);
-    assertEquals("Wrong payload for the target " + target + ": " + b[0], (byte) target, b[0]);
-  }
-
-  private static class PayloadAnalyzer extends Analyzer {
-    @Override
-    public TokenStream tokenStream(String fieldName, Reader reader) {
-      return new PayloadFilter(new LowerCaseTokenizer(TEST_VERSION_CURRENT, reader));
-    }
-
-  }
-
-  private static class PayloadFilter extends TokenFilter {
-    static int count = 0;
-    
-    PayloadAttribute payloadAtt;
-    
-    protected PayloadFilter(TokenStream input) {
-      super(input);
-      payloadAtt = addAttribute(PayloadAttribute.class);
-    }
-
-    @Override
-    public boolean incrementToken() throws IOException {
-      boolean hasNext = input.incrementToken();
-      if (hasNext) {
-        payloadAtt.setPayload(new Payload(new byte[] { (byte) count++ }));
-      } 
-      return hasNext;
-    }
-
-  }
-
-  private int counter = 0;
-
-  // Simply extends IndexInput in a way that we are able to count the number
-  // of bytes read
-  class CountingStream extends IndexInput {
-    private IndexInput input;
-
-    CountingStream(IndexInput input) {
-      this.input = input;
-    }
-
-    @Override
-    public byte readByte() throws IOException {
-      TestMultiLevelSkipList.this.counter++;
-      return this.input.readByte();
-    }
-
-    @Override
-    public void readBytes(byte[] b, int offset, int len) throws IOException {
-      TestMultiLevelSkipList.this.counter += len;
-      this.input.readBytes(b, offset, len);
-    }
-
-    @Override
-    public void close() throws IOException {
-      this.input.close();
-    }
-
-    @Override
-    public long getFilePointer() {
-      return this.input.getFilePointer();
-    }
-
-    @Override
-    public void seek(long pos) throws IOException {
-      this.input.seek(pos);
-    }
-
-    @Override
-    public long length() {
-      return this.input.length();
-    }
-
-    @Override
-    public Object clone() {
-      return new CountingStream((IndexInput) this.input.clone());
-    }
-
-  }
-}