#if EFCORE
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.DynamicLinq;
#else
using System.Data.Entity;
using EntityFramework.DynamicLinq;
#endif
using System.Linq.Expressions;
using System.Threading.Tasks;
using System.Linq.Dynamic.Core.Tests.Helpers.Entities;
using Xunit;

namespace System.Linq.Dynamic.Core.Tests
{
    public partial class EntitiesTests
    {
        [Fact]
        public async Task Entities_CountAsync_Predicate_Args()
        {
            const string search = "a";

            //Arrange
            var blog1 = new Blog { Name = "blog a", BlogId = 1000, Created = DateTime.Now };
            var blog2 = new Blog { Name = "blog b", BlogId = 3000, Created = DateTime.Now };
            _context.Blogs.Add(blog1);
            _context.Blogs.Add(blog2);
            _context.SaveChanges();

            Expression<Func <Blog, bool>> predicate = b => b.Name.Contains(search);

#if EFCORE
            var expected = await EntityFrameworkQueryableExtensions.CountAsync(_context.Blogs, predicate);
#else
            var expected = await QueryableExtensions.CountAsync(_context.Blogs, predicate);
#endif

            //Act
            int result = await (_context.Blogs as IQueryable).CountAsync("Name.Contains(@0)", search);

            //Assert
            Assert.Equal(expected, result);
        }
    }
}