content: /*
   * 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.
   */
  
  package org.apache.cassandra.utils;
  
  import accord.utils.Gen;
  import accord.utils.LargeBitSet;
  import org.apache.cassandra.io.Serializers;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.junit.Test;
  
  import static accord.utils.Property.qt;
  
  public class LargeBitSetSerializerTest
  {
      @Test
      public void test()
      {
          @SuppressWarnings({ "resource", "IOResourceOpenedButNotSafelyClosed" }) DataOutputBuffer output = new DataOutputBuffer();
          qt().forAll(largeBitSetGen()).check(bits -> Serializers.testSerde(output, LargeBitSetSerializer.instance, bits));
      }
  
      private static Gen<LargeBitSet> largeBitSetGen()
      {
          return rs -> {
              int size = rs.nextInt(0, 1 << 10);
              LargeBitSet bitSet = new LargeBitSet(size);
              if (size == 0 || rs.decide(0.2))
                  return bitSet; // empty
              if (rs.decide(0.2))
              {
                  // set 1 bit randomly
                  bitSet.set(rs.nextInt(0, size));
                  return bitSet;
              }
              for (int i = 0; i < size; i++)
              {
                  if (rs.nextBoolean())
                      bitSet.set(i);
              }
              return bitSet;
          };
      }
  }