public void Folder_update()
{
var f = new Folder("/parent/child", new DateTime(1), new DateTime(2), 1);
f.Update(new MessageEventArgs_410420(1, "", "/parent/child", FileType.FOLDER, 2, new DateTime(3), new DateTime(4)));
Assert.That(f.Created, Is.EqualTo(new DateTime(3)), "Created time has not updated.");
Assert.That(f.Modified, Is.EqualTo(new DateTime(4)), "Modified time has not updated.");
Assert.That(f.Count, Is.EqualTo(2), "Folder count has not updated.");
}