/*
    * 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.commons.collections4.bloomfilter;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  public class BitMapProducerFromLongArrayTest extends AbstractBitMapProducerTest {
  
      @Test
      public void constructorTest() {
          final List<Long> lst = new ArrayList<>();
          createProducer().forEachBitMap(lst::add);
          assertEquals(Long.valueOf(1), lst.get(0));
          assertEquals(Long.valueOf(2), lst.get(1));
          assertEquals(Long.valueOf(3), lst.get(2));
          assertEquals(Long.valueOf(4), lst.get(3));
          assertEquals(Long.valueOf(5), lst.get(4));
      }
  
      @Override
      protected BitMapProducer createEmptyProducer() {
          return BitMapProducer.fromBitMapArray(new long[0]);
      }
  
      @Override
      protected BitMapProducer createProducer() {
          final long[] ary = {1L, 2L, 3L, 4L, 5L};
          return BitMapProducer.fromBitMapArray(ary);
      }
  
      @Override
      protected boolean emptyIsZeroLength() {
          return true;
      }
  
      @Test
      public void testFromIndexProducer() {
          final int limit = Integer.SIZE + Long.SIZE;
          final IndexProducer iProducer = consumer -> {
              for (int i = 0; i < limit; i++) {
                  if (!consumer.test(i)) {
                      return false;
                  }
              }
              return true;
          };
          final BitMapProducer producer = BitMapProducer.fromIndexProducer(iProducer, limit);
          final List<Long> lst = new ArrayList<>();
          producer.forEachBitMap(lst::add);
          long expected = ~0L;
          assertEquals(expected, lst.get(0).longValue());
          expected &= 0XFFFFFFFFL;
          assertEquals(expected, lst.get(1).longValue());
      }
  }