gistfile1.txt

using System;
using System.IO;

.....


        [Fact]
        public void CreationTimeUtc_Bug()
        {

            string proposedFileName = Path.GetTempFileName();

            File.Delete(proposedFileName);
            File.WriteAllText(proposedFileName, "dummy file content as text");

            FileInfo localFile = new System.IO.FileInfo(proposedFileName);
            DateTime newCreationTimeUTC = System.DateTime.UtcNow.Subtract(TimeSpan.FromDays(365));

            localFile.CreationTimeUtc = newCreationTimeUTC;
            Assert.True(localFile.CreationTimeUtc == newCreationTimeUTC, "thats a BUG!!");

        }