using System; using System.Threading.Tasks; class X { internal Task<int> ExecuteInternalAsync () { return Task.FromResult (1); } public async Task<object> ExecuteReaderAsync () { await ExecuteInternalAsync (); return Task.FromResult (0); } public static int Main () { var at = new X ().ExecuteReaderAsync (); if (!at.Wait (1000)) return 1; return 0; } }