public void Test()
        {
            var c = new Partition(@"C");

            c.AddChild(new Directory(@"Program Files"));
            c.AddChild(new Directory(@"Program Files (x86)"));
            var users     = new Directory(@"Users");
            var johnSmith = new Directory("John Smith");
            var downloads = new Directory("Downloads");
            var email     = new ArchiveFile("email.zip", 84);
            var pictures  = new Directory("pictures");

            pictures.AddChild(new File("1.jpg", 28));
            pictures.AddChild(new File("2.jpg", 32));
            email.AddChild(pictures);
            email.AddChild(new File("report.docx", 52));
            downloads.AddChild(email);
            johnSmith.AddChild(downloads);
            users.AddChild(johnSmith);
            c.AddChild(users);
            var windows = new Directory(@"Windows");

            windows.AddChild(new Directory("System"));
            var system32 = new Directory("System32");

            system32.AddChild(new File("accessor.dll", 708));
            system32.AddChild(new File("accessibilitycpl.dll", 3725));
            system32.AddChild(new File("ActionCenter.dll", 874));
            windows.AddChild(system32);
            windows.AddChild(new File("explorer.exe", 2443));
            windows.AddChild(new File("regedit.exe", 151));
            c.AddChild(windows);

            CollectionAssert.AreEqual(new List <string>
            {
                @"C:\",
                @"| Program Files",
                @"| Program Files (x86)",
                @"| Users",
                @"| | John Smith",
                @"| | | Downloads",
                @"| | | | email.zip 84 KB",
                @"| | | | | pictures",
                @"| | | | | | 1.jpg 28 KB",
                @"| | | | | | 2.jpg 32 KB",
                @"| | | | | report.docx 52 KB",
                @"| Windows",
                @"| | System",
                @"| | System32",
                @"| | | accessor.dll 708 KB",
                @"| | | accessibilitycpl.dll 3725 KB",
                @"| | | ActionCenter.dll 874 KB",
                @"| | explorer.exe 2443 KB",
                @"| | regedit.exe 151 KB"
            }, c.Render());

            windows.RemoveChild(system32);

            CollectionAssert.AreEqual(new List <string>
            {
                @"C:\",
                @"| Program Files",
                @"| Program Files (x86)",
                @"| Users",
                @"| | John Smith",
                @"| | | Downloads",
                @"| | | | email.zip 84 KB",
                @"| | | | | pictures",
                @"| | | | | | 1.jpg 28 KB",
                @"| | | | | | 2.jpg 32 KB",
                @"| | | | | report.docx 52 KB",
                @"| Windows",
                @"| | System",
                @"| | explorer.exe 2443 KB",
                @"| | regedit.exe 151 KB"
            }, c.Render());
        }