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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * 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. See accompanying
 * LICENSE file.
 */
/*
 * Created on Nov 14, 2005
 */
package com.gemstone.gemfire.cache.query.internal;

import java.util.Iterator;
import java.util.Random;
import java.util.Collections;
import java.util.SortedSet;
import java.util.TreeSet;
import com.gemstone.gemfire.cache.query.SelectResults;
import com.gemstone.gemfire.cache.query.internal.parse.OQLLexerTokenTypes;

import junit.framework.TestCase;

/**
 * @author kdeshpan
 *
 */
public class SelectResultsComparatorTest extends TestCase implements OQLLexerTokenTypes {
  
  public SelectResultsComparatorTest(String testName) {
    super(testName);
  }
  
  public void testComparatorForSortedSet() throws Exception {
//    CompiledValue[] operands = new CompiledValue[3];
//    
//    CompiledJunction cj = new CompiledJunction(operands, LITERAL_and);
    int sameSizeVar = 0;
    boolean sameSizeVarSetFlag = false;
    SortedSet testSet = 
      Collections.synchronizedSortedSet(new TreeSet(
         new SelectResultsComparator()));
    for (int i = 0; i < 10; i++) {
      Random rand = new Random(); 
      SelectResults resultsSet = new ResultsSet();
      int size  = rand.nextInt();
      if (size < 0) size = 0 - size;
      size = size % 20;
      if (!sameSizeVarSetFlag) {
        sameSizeVar = size;
        sameSizeVarSetFlag = true;
      }
      for (int j = 0; j < size; j++) {
        resultsSet.add(new Object());
      }
      testSet.add(resultsSet);
    }
    
    SelectResults resultsSet = new ResultsSet();
    for (int j = 0; j < sameSizeVar; j++) {
      resultsSet.add(new Object());
    }
    testSet.add(resultsSet);
    if (testSet.size() != 11) fail("Same size resultSets were overwritten");
    Iterator iter1 = testSet.iterator();
    Iterator iter2 = testSet.iterator();
    iter2.next();
    
    while (iter2.hasNext()) {
      SelectResults sr1 = (SelectResults)iter1.next();
      SelectResults sr2 = (SelectResults)iter2.next();
      if(sr1.size() > sr2.size()) 
        fail("This is not expected behaviour");
    }
  }
  
    
}