public void Directory_Copy()
{
var tmpSrc = GetNewFileNameOnTempPath("");
var tmpSrcInfo = FileSystem.DirectoryFromPath(tmpSrc);
const string fileName = @"temp.txt";
FileSystem.WriteText(FileSystem.CombinePath(tmpSrc, fileName), "test");
var tmpDest = GetNewFileNameOnTempPath("");
FileSystem.CopyDirectory(tmpSrcInfo, tmpDest);
Assert.IsTrue(FileSystem.DirectoryExists(tmpSrc));
Assert.IsTrue(FileSystem.DirectoryExists(tmpDest));
var destFileName = FileSystem.CombinePath(tmpDest, fileName);
Assert.IsTrue(FileSystem.FileExists(destFileName));
Assert.AreEqual("test", FileSystem.ReadText(FileSystem.FileFromPath(destFileName)));
}