package org.adsabs;

import java.io.IOException;
import java.util.zip.DataFormatException;

import org.apache.lucene.util.LuceneTestCase;

/*
 * 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.
 */

public class TestInvenioBitSet extends LuceneTestCase {
  public void test() throws DataFormatException, IOException {

    // intbitset([1, 5, 6, 260]).fastdump()
    byte[] bytes = new byte[] {0x78, (byte)0x9c, 0x4b, 0x62, (byte)0xc0, 0xf, 0x4, (byte)0xd0, (byte)0xf8, 0x0, 0x13, (byte)0x90, 0x0, 0x73};
    
    //for (byte b: bytes) {
    //  System.out.println((int) b + " " + (String.format("%02X ", b) + (int)(b & 0xff)));
    //}
    
    InvenioBitSet res = InvenioBitSet.fastLoad(bytes);
    check(res, 1,5,6, 260);
    
    // load uncompressed byte stream
    res = new InvenioBitSet(new byte[] {98, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0});
    check(res, 1,5,6, 260);
    
    InvenioBitSet res2 = InvenioBitSet.fastLoad(res.fastDump());
    check(res2, 1,5,6, 260);
    
    assertEquals("eJxLYsAPBAAM0wBz", res.toBase64());
    
  }
  
  private void check(InvenioBitSet res, int...expected) {
    for (int x: expected) {
      assertTrue("Expected " + x + " bitset to be set", res.get(x));
    }
    assertTrue("Number of bits should be: " + expected.length, res.cardinality() == expected.length);
  }
}