public void TestBinaryStorage()
{
Point[] pts = new Point[10000000];
String fileName = GetTempFileName();
Stopwatch watch = Stopwatch.StartNew();
BinaryFileStorage<Point> stor = new BinaryFileStorage<Point>(fileName, pts);
watch.Stop();
Trace.WriteLine(String.Format("Time for writing {0} points: {1} milliseconds", pts.Length, watch.ElapsedMilliseconds));
watch.Reset(); watch.Start();
int counter = 0;
foreach (Point p in stor)
{
counter++;
}
watch.Stop();
Trace.WriteLine(String.Format("Time for reading {0} points: {1} milliseconds", pts.Length, watch.ElapsedMilliseconds));
File.Delete(fileName);
}
private static void Main(string[] args)
{
Console.WriteLine("=== Test Equals ===");
Book romAndJul = new Book("Romeo and Juliet", "William Shakespeare", "tradegy", 171);
Book romAndJulCopy = new Book("Romeo and Juliet", "William Shakespeare", "tradegy", 171);
Console.WriteLine(romAndJul);
Console.WriteLine(romAndJulCopy);
Console.WriteLine("Are equals? {0}", romAndJul.Equals(romAndJulCopy) ? "Yes" : "No");
Console.WriteLine();
Book almostRomAndJul = new Book("Almost Romeo and Juliet", "William Shakespeare", "tradegy", 170);
Console.WriteLine(romAndJul);
Console.WriteLine(almostRomAndJul);
Console.WriteLine("Are equals? {0}", romAndJul.Equals(almostRomAndJul) ? "Yes" : "No");
Console.WriteLine("==== end Test Equals ====");
Console.WriteLine();
Console.WriteLine("=== Test GetHashCode ===");
Console.WriteLine("Different books:");
Console.WriteLine($"{romAndJul.GetHashCode()} and {almostRomAndJul.GetHashCode()}");
Console.WriteLine("The same books:");
Console.WriteLine($"{romAndJul.GetHashCode()} and {romAndJulCopy.GetHashCode()}");
Console.WriteLine("=== end Test GetHashCode ===");
Console.WriteLine();
Console.WriteLine("===== Test BookListStorage =====");
Book myBook = new Book("Death Note", "Andrei Khotko", "Detective", 100);
Book parasyte = new Book("Parasyte", "Hey Layla", "Horror", 1021);
Book elfenLied = new Book("Elfen Lied", "Hayavo Miodzaki", "Comedy", 94);
BookListService service = new BookListService();
try
{
service.AddBook(myBook);
service.AddBook(parasyte);
service.AddBook(elfenLied);
service.AddBook(almostRomAndJul);
service.AddBook(romAndJul);
service.AddBook(romAndJulCopy); // Exception here
}
catch (DuplicateBookException ex)
{
Console.WriteLine($"Error : {ex.Message}"); // temporary substitution of logging, SO SORRY FOR THAT :(
//Do logging
}
Book result = service.FindBookByTag(b => b.Name == "Elfen Lied");
Console.WriteLine($"Result of FindBookByTag Name = ElfnLied : {result}");
PrintService(service, "Before sort");
service.SortBooksByTag(new NameComparer());
PrintService(service, "After sort");
Console.WriteLine("=== end Test BookListStorage ===");
string fileName = "storage.bin";
Console.WriteLine($"Saving storage to file {fileName}...");
IBookListStorage storage = new BinaryFileStorage(fileName);
service.SaveStorage(storage);
var newService = new BookListService();;
newService.LoadStorage(storage);
newService.RemoveBook(myBook);
PrintService(newService, "New Service");
Console.ReadLine();
}
public void TestBinaryStorage()
{
//generate some randome points
PointF[] pts = new PointF[120];
GCHandle handle = GCHandle.Alloc(pts, GCHandleType.Pinned);
using (Matrix<float> ptsMat = new Matrix<float>(pts.Length, 2, handle.AddrOfPinnedObject(), Marshal.SizeOf(typeof(float)) * 2))
{
ptsMat.SetRandNormal(new MCvScalar(), new MCvScalar(100));
}
handle.Free();
String fileName = Path.Combine(Path.GetTempPath(), "tmp.dat");
Stopwatch watch = Stopwatch.StartNew();
BinaryFileStorage<PointF> stor = new BinaryFileStorage<PointF>(fileName, pts);
//BinaryFileStorage<PointF> stor = new BinaryFileStorage<PointF>("abc.data", pts);
watch.Stop();
EmguAssert.WriteLine(String.Format("Time for writing {0} points: {1} milliseconds", pts.Length, watch.ElapsedMilliseconds));
int estimatedSize = stor.EstimateSize();
//EmguAssert.IsTrue(pts.Length == estimatedSize);
watch.Reset();
watch.Start();
PointF[] pts2 = stor.ToArray();
watch.Stop();
EmguAssert.WriteLine(String.Format("Time for reading {0} points: {1} milliseconds", pts.Length, watch.ElapsedMilliseconds));
if (File.Exists(fileName))
File.Delete(fileName);
//EmguAssert.IsTrue(pts.Length == pts2.Length);
//Check for equality
for (int i = 0; i < pts.Length; i++)
{
//EmguAssert.IsTrue(pts[i] == pts2[i]);
}
}
static void Main(string[] args)
{
Book twelveChairs = new Book("978 - 0810114845", "Ilya Ilf, Evgeny Petrov", "The Twelve Chairs",
"Northwestern University Press", 1997, 395, 41.93m);
Book gameOfThrones = new Book("978 - 0553593716", "George R. R. Martin", "A Game of Thrones",
"Bantam", 2011, 864, 9.49m);
Book designPatterns = new Book("978-0596007126", "Eric Freeman, Elisabeth Robson, Bert Bates, Kathy Sierra",
"Head First Design Patterns", "O'Reilly Media", 2004, 694, 32.35m);
Book danceWithDragons = new Book("978-0553582017", "George R. R. Martin", "A Dance with Dragons",
"Bantam", 2013, 1152, 7.59m);
Book orwell1984 = new Book("1328869334", "George Orwell", "1984", "Houghton Mifflin Harcourt", 2017, 304, 15.81m);
Console.WriteLine("Create service with memory storage");
IStorage memoryStorage = new MemoryStorage();
BookListService bookListServiceMemoryStorage = new BookListService(memoryStorage);
Console.WriteLine("Add book \"The Twelve Chairs\"");
bookListServiceMemoryStorage.AddBook(twelveChairs);
Console.WriteLine("Add book \"A Game of Thrones\"");
bookListServiceMemoryStorage.AddBook(gameOfThrones);
Console.WriteLine();
Console.WriteLine("Show all books in storage:\n");
bookListServiceMemoryStorage.ShowAll();
Console.WriteLine("Try to add \"The Twelve Chairs\" again");
try
{
bookListServiceMemoryStorage.AddBook(twelveChairs);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("\n\nCreate service with binary file storage");
IStorage binaryFileStorage = new BinaryFileStorage("books.dat");
BookListService bookListServiceBinaryFileStorage = new BookListService(binaryFileStorage);
Console.WriteLine("Add book \"A Game of Thrones\"");
bookListServiceBinaryFileStorage.AddBook(gameOfThrones);
Console.WriteLine("Add book \"A Dance with Dragons\"");
bookListServiceBinaryFileStorage.AddBook(danceWithDragons);
Console.WriteLine("Add book \"1984\"");
bookListServiceBinaryFileStorage.AddBook(orwell1984);
Console.WriteLine("Add book \"Head First Design Patterns\"");
bookListServiceBinaryFileStorage.AddBook(designPatterns);
Console.WriteLine("\nList of books in binary file storage:\n");
bookListServiceBinaryFileStorage.ShowAll();
Console.WriteLine("\nFind books whose authors contains \"george\"\n");
var list = bookListServiceBinaryFileStorage.FindBookByTag(Tags.Author, "george");
foreach (var book in list)
{
Console.WriteLine(book);
Console.WriteLine();
}
Console.WriteLine("\nSort books by number of pages");
bookListServiceBinaryFileStorage.SortBooksByTag(Tags.NumberOfPages);
Console.WriteLine("\nSorted list of books:\n");
bookListServiceBinaryFileStorage.ShowAll();
Console.WriteLine("\nRemove \"A Game of Thrones\"");
bookListServiceBinaryFileStorage.RemoveBook(gameOfThrones);
Console.WriteLine("\nRemove \"A Dance with Dragons\"");
bookListServiceBinaryFileStorage.RemoveBook(danceWithDragons);
Console.WriteLine("\nList of books:\n");
bookListServiceBinaryFileStorage.ShowAll();
Console.WriteLine("\nRemove \"1984\"");
bookListServiceBinaryFileStorage.RemoveBook(orwell1984);
Console.WriteLine("\nRemove \"Head First Design Patterns\"");
bookListServiceBinaryFileStorage.RemoveBook(designPatterns);
Console.ReadLine();
}
