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.serializers;
  
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  import java.util.HashSet;
  import java.util.Set;
  
  import com.google.common.collect.Range;
  import org.junit.Test;
  
  import org.apache.cassandra.db.marshal.AbstractType;
  import org.apache.cassandra.db.marshal.Int32Type;
  import org.apache.cassandra.db.marshal.SetType;
  import static org.junit.Assert.assertEquals;
  import static org.apache.cassandra.utils.ByteBufferUtil.UNSET_BYTE_BUFFER;
  
  public class SetSerializerTest
  {
      @Test
      public void testGetIndexFromSerialized()
      {
          testGetIndexFromSerialized(true);
          testGetIndexFromSerialized(false);
      }
  
      private static void testGetIndexFromSerialized(boolean isMultiCell)
      {
          SetType<Integer> type = SetType.getInstance(Int32Type.instance, isMultiCell);
          AbstractType<Integer> nameType = type.nameComparator();
          SetSerializer<Integer> serializer = type.getSerializer();
  
          Set<Integer> set = new HashSet<>(Arrays.asList(1, 3, 4, 6));
          ByteBuffer bb = type.decompose(set);
  
          assertEquals(-1, serializer.getIndexFromSerialized(bb, nameType.decompose(0), nameType));
          assertEquals(0, serializer.getIndexFromSerialized(bb, nameType.decompose(1), nameType));
          assertEquals(-1, serializer.getIndexFromSerialized(bb, nameType.decompose(2), nameType));
          assertEquals(1, serializer.getIndexFromSerialized(bb, nameType.decompose(3), nameType));
          assertEquals(2, serializer.getIndexFromSerialized(bb, nameType.decompose(4), nameType));
          assertEquals(-1, serializer.getIndexFromSerialized(bb, nameType.decompose(5), nameType));
          assertEquals(3, serializer.getIndexFromSerialized(bb, nameType.decompose(6), nameType));
          assertEquals(-1, serializer.getIndexFromSerialized(bb, nameType.decompose(7), nameType));
  
          assertEquals(Range.closed(0, Integer.MAX_VALUE), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, UNSET_BYTE_BUFFER, nameType));
  
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(1, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(1, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(3), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(2, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(4), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(3, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(5), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(3, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(6), UNSET_BYTE_BUFFER, nameType));
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(7), UNSET_BYTE_BUFFER, nameType));
  
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(0), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(1), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(2), nameType));
          assertEquals(Range.closedOpen(0, 2), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(3), nameType));
          assertEquals(Range.closedOpen(0, 3), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(4), nameType));
          assertEquals(Range.closedOpen(0, 3), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(5), nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(6), nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, UNSET_BYTE_BUFFER, nameType.decompose(7), nameType));
  
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(0), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(1), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(2), nameType));
          assertEquals(Range.closedOpen(0, 2), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(3), nameType));
          assertEquals(Range.closedOpen(0, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(4), nameType));
          assertEquals(Range.closedOpen(0, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(5), nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(6), nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(7), nameType));
  
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(0), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(1), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(2), nameType));
          assertEquals(Range.closedOpen(0, 2), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(3), nameType));
          assertEquals(Range.closedOpen(0, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(4), nameType));
          assertEquals(Range.closedOpen(0, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(5), nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(6), nameType));
          assertEquals(Range.closedOpen(0, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(7), nameType));
  
          assertEquals(Range.closedOpen(1, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(0), nameType));
          assertEquals(Range.closedOpen(1, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(1), nameType));
          assertEquals(Range.closedOpen(1, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(2), nameType));
          assertEquals(Range.closedOpen(1, 2), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(3), nameType));
          assertEquals(Range.closedOpen(1, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(4), nameType));
          assertEquals(Range.closedOpen(1, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(5), nameType));
          assertEquals(Range.closedOpen(1, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(6), nameType));
          assertEquals(Range.closedOpen(1, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(7), nameType));
  
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(0), nameType.decompose(0), nameType));
          assertEquals(Range.closedOpen(0, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(1), nameType.decompose(1), nameType));
          assertEquals(Range.closedOpen(1, 1), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(2), nameType.decompose(2), nameType));
          assertEquals(Range.closedOpen(1, 2), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(3), nameType.decompose(3), nameType));
          assertEquals(Range.closedOpen(2, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(4), nameType.decompose(4), nameType));
          assertEquals(Range.closedOpen(3, 3), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(5), nameType.decompose(5), nameType));
          assertEquals(Range.closedOpen(3, 4), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(6), nameType.decompose(6), nameType));
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(7), nameType.decompose(7), nameType));
  
          // interval with lower bound greater than upper bound
          assertEquals(Range.closedOpen(0, 0), serializer.getIndexesRangeFromSerialized(bb, nameType.decompose(7), nameType.decompose(0), nameType));
      }
  }
  