package org.apache.lucene.analysis.sinks;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed 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.StringReader;

import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TeeSinkTokenFilter;
import org.apache.lucene.analysis.TeeSinkTokenFilter.SinkTokenStream;
import org.apache.lucene.analysis.MockTokenizer;

public class TokenRangeSinkTokenizerTest extends BaseTokenStreamTestCase {

  public void test() throws IOException {
    TokenRangeSinkFilter sinkFilter = new TokenRangeSinkFilter(2, 4);
    String test = "The quick red fox jumped over the lazy brown dogs";
    TeeSinkTokenFilter tee = new TeeSinkTokenFilter(new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false));
    SinkTokenStream rangeToks = tee.newSinkTokenStream(sinkFilter);
    
    int count = 0;
    tee.reset();
    while(tee.incrementToken()) {
      count++;
    }
    
    int sinkCount = 0;
    rangeToks.reset();
    while (rangeToks.incrementToken()) {
      sinkCount++;
    }
    
    assertTrue(count + " does not equal: " + 10, count == 10);
    assertTrue("rangeToks Size: " + sinkCount + " is not: " + 2, sinkCount == 2);
  }
}