static void Main(string[] args)
{
BaseEntity book;
IEntityService <BaseEntity> entityService = new EntityStorage <BaseEntity>();
for (int i = 0; i < s_bookNames.Length; i++)
{
book = new BookEntity()
{
Id = i + 1,
Description = string.Format("Descrition of a book: {0}", s_bookNames[i]),
Name = s_bookNames[i],
Price = (i + 1) * rand.Next(0, 30)
};
entityService.Add(book);
}
Console.WriteLine("Library list:");
ShowAllEntities(entityService);
Console.WriteLine("If you want to remove a book, then just write an ID below. If no, then press 'Enter' button");
int id = 0;
if (int.TryParse(Console.ReadLine(), out id) && id > 0)
{
var bookEntity = entityService.Find(id);
if (bookEntity != null)
{
try
{
entityService.Delete(bookEntity);
ShowAllEntities(entityService);
}
catch (Exception ex)
{
Console.WriteLine("Exception received while deliting the book with id {0}\nEcxeption message: ", id, ex.Message);
}
}
else
{
Console.WriteLine("Book with id {0} not found", id);
}
}
else
{
Console.WriteLine("Nothing to delete");
}
Console.ReadLine();
}
public async Task Add_NullEntity()
{
// Act & Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() => await _testObject.Add(null));
}