// 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.

using Xunit;

namespace Apache.Arrow.Tests
{
    public class NullArrayTests
    {
        public class Builder
        {
            public class Append
            {
                [Theory]
                [InlineData(1)]
                [InlineData(3)]
                public void IncrementsLength(int count)
                {
                    var builder = new NullArray.Builder();

                    for (var i = 0; i < count; i++)
                    {
                        builder.AppendNull();
                    }

                    var array = builder.Build();

                    Assert.Equal(count, array.Length);
                }
            }

            public class Clear
            {
                [Fact]
                public void ClearsArray()
                {
                    var array = new NullArray.Builder()
                        .Resize(8)
                        .AppendNull()
                        .AppendNull()
                        .Clear()
                        .Build();

                    Assert.Equal(0, array.Length);
                }
            }
        }
    }
}
