using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using InterfaceStudy.Core;

using Xunit;

namespace InterfaceStudy.Test
{
    public class ChildATest
    {
        [Fact]
        public void Test()
        {
            IBase a = new ChildA();

            var number = a.GetNumber();

            Assert.Equal(-2,number);
        }
    }
}