using Assert = Lucene.Net.TestFramework.Assert;
using BitSet = J2N.Collections.BitSet;

namespace Lucene.Net.Util
{
    /*
     * 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 TestPForDeltaDocIdSet : BaseDocIdSetTestCase<PForDeltaDocIdSet>
    {
        public override PForDeltaDocIdSet CopyOf(BitSet bs, int length)
        {
            PForDeltaDocIdSet.Builder builder = (new PForDeltaDocIdSet.Builder()).SetIndexInterval(TestUtil.NextInt32(Random, 1, 20));
            for (int doc = bs.NextSetBit(0); doc != -1; doc = bs.NextSetBit(doc + 1))
            {
                builder.Add(doc);
            }
            return builder.Build();
        }

        public override void AssertEquals(int numBits, BitSet ds1, PForDeltaDocIdSet ds2)
        {
            base.AssertEquals(numBits, ds1, ds2);
            Assert.AreEqual(ds1.Cardinality, ds2.Cardinality());
        }
    }
}