private static void TestShallowCopy()
{
Console.WriteLine("Cloning works:");
ShallowPaper oxNews = new ShallowPaper("Ox News");
oxNews.Insert(new NewsArticle("Corona stops production", "The beer manufacturer...", "Bill. D. Newsly"));
ShallowPaper fakeNews = oxNews.Clone() as ShallowPaper;
Console.WriteLine(oxNews);
Console.WriteLine(fakeNews);
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("\nAdding a new article in the original - changes both the original and the copy:");
oxNews.Insert(new NewsArticle("Man bites dog", "Yesterday afternoon...", "Martha M. Newsworthy"));
Console.WriteLine(oxNews);
Console.WriteLine(fakeNews);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("\nEven changing something in an article in the original - changes both the original and the copy:");
oxNews.ChangeTitle(0, "New title");
Console.WriteLine(oxNews);
Console.WriteLine(fakeNews);
Console.ResetColor();
}
public ShallowPaper(ShallowPaper paper)
{
name = paper.name;
// This is a shallow copy. Copies only the reference
// which ends up refering to the same list in all copies
// which is equivalent to MemberwiseClone():
articles = paper.articles;
}