public static Task <int> CountAsync <T>(this IQueryable <T> source)
where T : class
{
if (source is EntitySet <T> )
{
source = (source as EntitySet <T>).DbSet;
}
return(Extensions.CountAsync(source));
}
public void Load_throws_when_given_null_query()
{
Assert.Equal("source", Assert.Throws <ArgumentNullException>(() => QueryableExtensions.Load(null)).ParamName);
}