Example #1
0
 public static void NotifyTestComplete(Record record)
 {
     lock (Clients)
     {
         if (Clients.ContainsKey(record.User.ID))
         {
             Clients[record.User.ID].Send(new ResponseMessage
             {
                 Type = ResponseMessage.MessageType.TestComplete,
                 ID = record.ID,
             });
         }
     }
 }
Example #2
0
        void Test(MooDB db, Record record)
        {
            TestResult result;
            switch (record.Problem.Type)
            {
                case "Traditional":
                    result = TestTraditional(db, record);
                    break;
                case "SpecialJudged":
                    result = TestSpecialJudged(db, record);
                    break;
                case "Interactive":
                    result = TestInteractive(db, record);
                    break;
                case "AnswerOnly":
                    result = TestAnswerOnly(db, record);
                    break;
                default:
                    result = new TestResult()
                    {
                        Score = 0,
                        Info = "<color:red>*未知的题目类型*</color>"
                    };
                    break;
            }

            int oldScore = (from r in db.Records
                            where r.User.ID == record.User.ID && r.Problem.ID == record.Problem.ID
                                && r.JudgeInfo != null && r.JudgeInfo.Score >= 0
                            select r.JudgeInfo.Score).DefaultIfEmpty().Max();
            int currentScore = Math.Max(oldScore, result.Score);

            record.User.Score -= oldScore;
            record.Problem.ScoreSum -= oldScore;
            record.User.Score += currentScore;
            record.Problem.ScoreSum += currentScore;

            if (record.Problem.MaximumScore == null)
            {
                record.Problem.MaximumScore = result.Score;
            }
            else
            {
                record.Problem.MaximumScore = Math.Max(result.Score, (int)record.Problem.MaximumScore);
            }

            record.JudgeInfo.Score = result.Score;
            record.JudgeInfo.Info = result.Info;
        }
Example #3
0
        public int CreateRecord(FullRecord record)
        {
            if (!new[] { "c", "c++", "pascal", "java", "plaintext" }.Contains(record.Language))
            {
                throw new ArgumentException("不支持的语言:" + record.Language);
            }
            using (MooDB db = new MooDB())
            {
                Problem problem = (from p in db.Problems
                                   where p.ID == record.Problem
                                   select p).SingleOrDefault<Problem>();

                if (problem == null) throw new ArgumentException("无此题目");

                User currentUser = Security.CurrentUser.GetDBUser(db);
                Record newRecord = new Record()
                {
                    Code = record.Code,
                    CreateTime = DateTime.Now,
                    Language = record.Language,
                    Problem = problem,
                    PublicCode = (bool)record.PublicCode,
                    User = currentUser,
                };

                problem.SubmissionTimes++;
                if (!(from r in db.Records
                      where r.Problem.ID == problem.ID && r.User.ID == Security.CurrentUser.ID
                      select r).Any())
                {
                    problem.SubmissionUser++;
                }

                Access.Required(db, newRecord, Function.CreateRecord);

                db.Records.AddObject(newRecord);
                db.SaveChanges();
                return newRecord.ID;
            }
        }
Example #4
0
        void DeleteJudgeInfoScore(MooDB db, Record record, JudgeInfo info)
        {
            if (info.Score >= 0)
            {
                var hisRecords = from r in db.Records
                                 where r.User.ID == record.User.ID && r.Problem.ID == record.Problem.ID
                                       && r.JudgeInfo != null && r.JudgeInfo.Score >= 0
                                 select r;
                int oldScore = hisRecords.Max(r => r.JudgeInfo.Score);
                int newScore = (from r in hisRecords
                                where r.ID != record.ID
                                select r.JudgeInfo.Score).DefaultIfEmpty().Max();
                record.User.Score -= oldScore;
                record.Problem.ScoreSum -= oldScore;
                record.User.Score += newScore;
                record.Problem.ScoreSum += newScore;

                if (record.Problem.MaximumScore == info.Score)
                {
                    var problemRecords = from r in db.Records
                                         where r.ID != record.ID
                                               && r.Problem.ID == record.Problem.ID
                                               && r.JudgeInfo != null && r.JudgeInfo.Score >= 0
                                         select r;
                    if (problemRecords.Any())
                    {
                        record.Problem.MaximumScore = problemRecords.Max(r => r.JudgeInfo.Score);
                    }
                    else
                    {
                        record.Problem.MaximumScore = null;
                    }
                }
            }
        }
Example #5
0
 /// <summary>
 /// 用于向 Records EntitySet 添加新对象的方法,已弃用。请考虑改用关联的 ObjectSet&lt;T&gt; 属性的 .Add 方法。
 /// </summary>
 public void AddToRecords(Record record)
 {
     base.AddObject("Records", record);
 }
Example #6
0
 /// <summary>
 /// 创建新的 Record 对象。
 /// </summary>
 /// <param name="id">ID 属性的初始值。</param>
 /// <param name="code">Code 属性的初始值。</param>
 /// <param name="createTime">CreateTime 属性的初始值。</param>
 /// <param name="language">Language 属性的初始值。</param>
 /// <param name="publicCode">PublicCode 属性的初始值。</param>
 public static Record CreateRecord(global::System.Int32 id, global::System.String code, global::System.DateTime createTime, global::System.String language, global::System.Boolean publicCode)
 {
     Record record = new Record();
     record.ID = id;
     record.Code = code;
     record.CreateTime = createTime;
     record.Language = language;
     record.PublicCode = publicCode;
     return record;
 }
Example #7
0
        public static void AddTestData(MooDB db)
        {
            #region Users
            SiteRoles siteRoles = new SiteRoles(db);
            User MrPhone = new User()
            {
                Name = "onetwogoo",
                Password = Converter.ToSHA256Hash("123456"),
                BriefDescription = "我觉得我写这么多应该够两行了",
                Description = "我是--屌丝--我骄傲,我为国家省钞票!",
                Email = "*****@*****.**",
                Role = siteRoles.Organizer,
                Score = 256,
                CreateTime = DateTime.Now
            };
            db.Users.AddObject(MrPhone);

            User ShaBi = new User()
            {
                Name = "ShaBi",
                Password = Converter.ToSHA256Hash("ShaBi"),
                BriefDescription = "我觉得我写这么多应该够两行了",
                Description = "Moo*真*他妈的好!",
                Email = "*****@*****.**",
                Role = siteRoles.Worker,
                Score = 128,
                CreateTime = DateTime.Now
            };
            db.Users.AddObject(ShaBi);

            User Baby = new User()
            {
                Name = "Baby",
                Password = Converter.ToSHA256Hash("Baby"),
                BriefDescription = "我啥都不懂",
                Description = "真不懂",
                Email = "*****@*****.**",
                Role = siteRoles.NormalUser,
                Score = 1000,
                CreateTime = DateTime.Now
            };
            db.Users.AddObject(Baby);

            db.Users.AddObject(new User()
            {
                Name = "BeiJu",
                Password = Converter.ToSHA256Hash("BeiJu"),
                BriefDescription = "冤枉啊!啥都没干就被封了!",
                Description = "太他妈冤枉了!",
                Email = "",
                Role = siteRoles.Reader,
                Score = 0,
                CreateTime = DateTime.Now
            });
            #endregion

            #region Tags
            Tag solution = new Tag()
            {
                Name = "题解"
            };
            db.Tags.AddObject(solution);
            Tag forFun = new Tag()
            {
                Name = "娱乐"
            };
            db.Tags.AddObject(forFun);
            Tag dp = new Tag()
            {
                Name = "动态规划"
            };
            #endregion

            #region Problems
            Problem APlusB = new Problem()
            {
                Name = "A+B问题",
                Type = "Traditional",
                SubmissionTimes = 10,
                EnableTesting = true,
                ScoreSum = 100,
                SubmissionUser = 1,
                MaximumScore = 30,
                CreateTime = DateTime.Now,
                CreatedBy = MrPhone
            };
            APlusB.Tag.Add(dp);
            db.Problems.AddObject(APlusB);

            Problem CPlusD = new Problem()
            {
                Name = "C+D问题",
                Type = "Traditional",
                SubmissionTimes = 20,
                EnableTesting = true,
                ScoreSum = 5,
                SubmissionUser = 2,
                MaximumScore = 120,
                CreateTime = DateTime.Now.AddSeconds(1),
                CreatedBy = ShaBi
            };
            db.Problems.AddObject(CPlusD);

            Problem EPlusF = new Problem()
            {
                Name = "E+F问题",
                Type = "Traditional",
                SubmissionTimes = 40,
                EnableTesting = true,
                ScoreSum = 300,
                SubmissionUser = 4,
                MaximumScore = 110,
                CreateTime = DateTime.Now.AddSeconds(2),
                CreatedBy = Baby
            };
            db.Problems.AddObject(EPlusF);

            Problem Cat = new Problem()
            {
                Name = "Cat",
                Type = "SpecialJudged",
                CreateTime = DateTime.Now.AddSeconds(3),
                CreatedBy = MrPhone
            };
            db.Problems.AddObject(Cat);

            Problem EasyAPlusB = new Problem()
            {
                Name = "Easy A+B",
                Type = "Interactive",
                CreateTime = DateTime.Now.AddSeconds(4),
                CreatedBy = MrPhone
            };
            db.Problems.AddObject(EasyAPlusB);

            Problem AnswerAPlusB = new Problem()
            {
                Name = "Answer A+B",
                Type = "AnswerOnly",
                CreateTime = DateTime.Now.AddSeconds(5),
                CreatedBy = MrPhone
            };
            #endregion

            #region Problem Revision
            db.ProblemRevisions.AddObject(new ProblemRevision()
            {
                Problem = APlusB,
                Content = "输入A,B。输出A+B。啊!输错了!",
                Reason = "蛋疼",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now
            });

            db.ProblemRevisions.AddObject(new ProblemRevision()
            {
                Problem = APlusB,
                Content = "输入A,B。输出它们的和。",
                Reason = "蛋疼",
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });

            db.ProblemRevisions.AddObject(new ProblemRevision()
            {
                Problem = APlusB,
                Content = "输入俩蛋,输出它们的和。",
                Reason = "蛋疼",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now
            });

            APlusB.LatestRevision = new ProblemRevision()
            {
                Problem = APlusB,
                Content = "输入两个Int32,输出它们的和。",
                Reason = "蛋疼",
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            };

            CPlusD.LatestRevision = new ProblemRevision()
            {
                Problem = CPlusD,
                Content = "输入C,D。*注意是Int64*输出它们的和。",
                Reason = "蛋疼",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now
            };

            EPlusF.LatestRevision = new ProblemRevision()
            {
                Problem = EPlusF,
                Content = "输入E,F。输出它们的和。",
                Reason = "蛋疼",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now
            };

            Cat.LatestRevision = new ProblemRevision()
            {
                Problem = Cat,
                Content = "模拟Cat",
                Reason = "擦!",
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            };

            EasyAPlusB.LatestRevision = new ProblemRevision()
            {
                Problem = EasyAPlusB,
                Content = "仅需编写一个int APlusB(int,int);即可。",
                Reason = "This is Interactive",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now
            };

            AnswerAPlusB.LatestRevision = new ProblemRevision()
            {
                Problem = AnswerAPlusB,
                Content = "提交答案吧!",
                Reason = "None",
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            };
            #endregion

            #region Articles
            Article howToAC = new Article()
            {
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now,
                Name = "如何才能AC呢",
            };
            howToAC.Tag.Add(solution);
            howToAC.Tag.Add(forFun);
            db.Articles.AddObject(howToAC);

            Article aPlusBSolution = new Article()
            {
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now,
                Name = "A+B正解",
                Problem = APlusB
            };
            aPlusBSolution.Tag.Add(solution);
            db.Articles.AddObject(aPlusBSolution);
            #endregion

            #region Article Revision
            db.ArticleRevisions.AddObject(new ArticleRevision
            {
                Article = howToAC,
                Content = "AC就是<color:green>Accepted</color>,而在Moo上,评测信息则是<color:green>正确</color>。所以,理论上无法*AC*.",
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now,
                Reason = "建立文章"
            });
            db.SaveChanges();
            howToAC.LatestRevision = new ArticleRevision
            {
                Article = howToAC,
                Content = "--AC就是<color:green>Accepted</color>,而在Moo上,评测信息则是<color:green>正确</color>。所以,理论上无法*AC*.--\n"
                    + "楼上纯属扯淡",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now,
                Reason = "扯"
            };

            aPlusBSolution.LatestRevision = new ArticleRevision
            {
                Article = aPlusBSolution,
                Content = "就XXX,然后XXX,就好了~",
                CreatedBy = ShaBi,
                CreateTime = DateTime.Now,
                Reason = "哈哈"
            };
            #endregion

            #region Files
            UploadedFile file = new UploadedFile()
            {
                Name = "SPJ for Cat",
                Description = "给Cat的SPJ",
                FileName = "Cat.exe",
                CreatedBy = MrPhone
            };
            db.UploadedFiles.AddObject(file);
            #endregion

            #region Test Cases
            db.TestCases.AddObject(new TraditionalTestCase()
            {
                Problem = CPlusD,
                Input = Encoding.ASCII.GetBytes("qwertyuioplkjhgfdsazxcvbnm"),
                Answer = Encoding.ASCII.GetBytes("mnbvcxzasdfghjklpoiuytrewq"),
                TimeLimit = 1000,
                MemoryLimit = 1024 * 1024 * 6,
                Score = 12,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });
            db.SaveChanges();

            db.TestCases.AddObject(new TraditionalTestCase()
            {
                Problem = APlusB,
                Input = Encoding.ASCII.GetBytes("1 2"),
                Answer = Encoding.ASCII.GetBytes("3"),
                TimeLimit = 1000,
                MemoryLimit = 60 * 1024 * 1024,
                Score = 50,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });

            db.TestCases.AddObject(new TraditionalTestCase()
            {
                Problem = APlusB,
                Input = Encoding.ASCII.GetBytes("100 345"),
                Answer = Encoding.ASCII.GetBytes("445"),
                TimeLimit = 1000,
                MemoryLimit = 60 * 1024 * 1024,
                Score = 50,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });

            db.TestCases.AddObject(new SpecialJudgedTestCase()
            {
                Problem = Cat,
                Input = Encoding.ASCII.GetBytes("1 2"),
                Answer = Encoding.ASCII.GetBytes("Miao~"),
                TimeLimit = 1000,
                MemoryLimit = 60 * 1024 * 1024,
                Judger = file,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });

            file = new UploadedFile()
            {
                Name = "Invoker for EasyA+B",
                Description = "EasyA+B的调用程序",
                FileName = "EasyA+B.o",
                CreatedBy = MrPhone
            };

            db.TestCases.AddObject(new InteractiveTestCase()
            {
                Problem = EasyAPlusB,
                TestData = Encoding.ASCII.GetBytes("1123 3212"),
                TimeLimit = 1000,
                MemoryLimit = 60 * 1024 * 1024,
                Invoker = file,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });

            db.TestCases.AddObject(new InteractiveTestCase()
            {
                Problem = EasyAPlusB,
                TestData = Encoding.ASCII.GetBytes("1 3"),
                TimeLimit = 1000,
                MemoryLimit = 60 * 1024 * 1024,
                Invoker = file,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            });

            file = new UploadedFile()
            {
                Name = "Judger Of Answer A+B",
                Description = "*测评程序*啊",
                FileName = "AnswerA+B.exe",
                CreatedBy = MrPhone
            };

            AnswerOnlyTestCase answerOnlyTestCase1 = new AnswerOnlyTestCase()
            {
                Problem = AnswerAPlusB,
                TestData = Encoding.ASCII.GetBytes("23 345"),
                Judger = file,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            };
            db.TestCases.AddObject(answerOnlyTestCase1);

            AnswerOnlyTestCase answerOnlyTestCase2 = new AnswerOnlyTestCase()
            {
                Problem = AnswerAPlusB,
                TestData = Encoding.ASCII.GetBytes("453 123"),
                Judger = file,
                CreatedBy = MrPhone,
                CreateTime = DateTime.Now
            };
            db.TestCases.AddObject(answerOnlyTestCase2);
            #endregion

            #region Posts
            Post post = new Post()
            {
                Name = "主页吐槽专用贴",
                Problem = APlusB,
                ReplyTime = DateTime.Now,
                OnTop = true,
            };
            db.Posts.AddObject(post);

            db.PostItems.AddObject(new PostItem()
            {
                Post = post,
                CreateTime = DateTime.Now,
                Content = "终于抢到了主页第一个帖子。*沙发*!",
                CreatedBy = ShaBi,
            });
            db.SaveChanges();

            db.PostItems.AddObject(new PostItem()
            {
                Post = post,
                CreateTime = DateTime.Now.AddSeconds(3),
                Content = "靠!傻逼给我<color:red>撤</color>,这帖子是我的!测试一下源代码:\n"
                + "{code: c++}\n"
                + "#include <iostream>\n"
                + "using namespace std;\n"
                + "int main(){\n"
                + "\tcout<<\"没占上沙发真倒霉\"<<endl;\n"
                + "\treturn 0;\n"
                + "}\n"
                + "{code: c++}\n",
                CreatedBy = MrPhone
            });

            post = new Post()
            {
                Name = "认真研究一下此题变形",
                Problem = APlusB,
                ReplyTime = DateTime.Now,
                OnTop = false
            };
            db.Posts.AddObject(post);

            db.PostItems.AddObject(new PostItem()
            {
                Post = post,
                CreateTime = DateTime.Now,
                Content = "A+B能有什么变形呢?",
                CreatedBy = MrPhone
            });
            db.SaveChanges();

            db.PostItems.AddObject(new PostItem()
            {
                Post = post,
                CreateTime = DateTime.Now,
                Content = "靠!没人回答,我寂寞了~",
                CreatedBy = MrPhone
            });

            post = new Post()
            {
                Name = "讨论一下Moo好不好",
                ReplyTime = DateTime.Now,
                OnTop = false
            };
            db.Posts.AddObject(post);

            db.PostItems.AddObject(new PostItem()
            {
                Post = post,
                CreateTime = DateTime.Now,
                Content = "Moo很好啊。*注意此贴没有对应题目且被锁*",
                CreatedBy = MrPhone
            });
            #endregion

            #region Contest
            Contest contest = new Contest()
            {
                StartTime = DateTime.Now.AddMinutes(0.5),
                EndTime = DateTime.Now.AddMinutes(1.5),
                Status = "Before",
                Name = "Moo水题大赛",
                Description = "全是--水--题啊!",
                LockProblemOnStart = true,
                LockPostOnStart = true,
                LockTestCaseOnStart = true,
                EnableTestingOnStart = false,
                HideTestCaseOnStart = true,
                LockRecordOnStart = false,
                HideProblemOnStart = false,
                EnableTestingOnEnd = true,
                LockPostOnEnd = false,
                LockProblemOnEnd = false,
                LockRecordOnEnd = false,
                LockTestCaseOnEnd = false,
                HideProblemOnEnd = false,
                HideTestCaseOnEnd = false,
                LockArticleOnEnd = false,
                LockArticleOnStart = true,
            };
            //contest.Problem.Add(APlusB);
            contest.Problem.Add(CPlusD);
            contest.User.Add(ShaBi);
            db.Contests.AddObject(contest);
            #endregion

            #region Record
            Record record = new Record()
            {
                Code = "#include <iostream>\n"
                    + "using namespace std;"
                    + "int main(){"
                    + "  int x,y;"
                    + "  cin>>x>>y;"
                    + "  cout<<x+y;"
                    + "  return 0;"
                    + "}",
                Language = "c++",
                CreateTime = DateTime.Now.AddMinutes(1.5),
                User = ShaBi,
                Problem = APlusB,
            };
            db.Records.AddObject(record);

            record = new Record()
            {
                Code = "",
                Language = "c++",
                CreateTime = DateTime.Now.AddMinutes(1.5),
                User = ShaBi,
                Problem = APlusB,
            };
            db.Records.AddObject(record);

            record = new Record()
            {
                Code = "#include <iostream>\n"
                    + "int main(int argc,char* argv[]) {\n"
                    + "\tint c,d;\n"
                    + "\tstd::cin>>c>>d;\n"
                    + "\tstd::cout<<c+d<<std::endl;\n"
                    + "}",
                Language = "c++",
                CreateTime = DateTime.Now.AddMinutes(1.5),
                User = ShaBi,
                Problem = CPlusD,
            };
            db.Records.AddObject(record);

            db.Records.AddObject(new Record()
            {
                Code = "int APlusB(int x,int y){\n\treturn 4;\n}",
                CreateTime = DateTime.Now,
                Language = "c++",
                Problem = EasyAPlusB,
                User = MrPhone,
            });

            db.Records.AddObject(new Record()
            {
                Code = "<Moo:Answer testCase='" + answerOnlyTestCase1.ID + "'>368</Moo:Answer>\n"
                + "<Moo:Answer testCase='" + answerOnlyTestCase2.ID + "'>496</Moo:Answer>",
                CreateTime = DateTime.Now,
                Language = "plaintext",
                Problem = AnswerAPlusB,
                User = MrPhone,
            });
            #endregion

            #region Messages
            db.Messages.AddObject(new Message()
            {
                Content = "抢占版聊第一帖!",
                CreateTime = DateTime.Now,
                From = Baby,
            });
            db.SaveChanges();
            db.Messages.AddObject(new Message
            {
                Content = "<color:red>沙发</color>!",
                CreateTime = DateTime.Now.AddSeconds(1),
                From = MrPhone
            });
            db.SaveChanges();
            db.Messages.AddObject(new Message
            {
                Content = "{code:c++}\n"
                    + "#include <iostream>\n"
                    + "#include <cstdio>\n"
                    + "using namespace std;\n"
                    + "int main(){\n"
                    + "\tcout<<\"Hello Moo\"<<endl;\n"
                    + "}\n"
                    + "{code:c++}",
                CreateTime = DateTime.Now.AddSeconds(2),
                From = ShaBi
            });

            for (int i = 0; i < 100; i++)
            {
                db.Messages.AddObject(new Message
                {
                    Content = "Hello ShaBi " + i,
                    CreateTime = DateTime.Now.AddSeconds(i),
                    From = MrPhone,
                    To = ShaBi,
                });
                db.SaveChanges();
            }
            db.Messages.AddObject(new Message
            {
                Content = "Hello 嘛呀",
                CreateTime = DateTime.Now.AddSeconds(1),
                From = ShaBi,
                To = MrPhone
            });
            #endregion

            #region Files
            File.WriteAllText(Config.UploadFileDirectory + "firstfile.txt", "This is file content");
            db.UploadedFiles.AddObject(new UploadedFile
            {
                CreatedBy = MrPhone,
                Description = "<color:red>Test Wiki</color>",
                FileName = "firstfile.txt",
                Name = "FirstFile.txt"
            });
            #endregion
            db.SaveChanges();
        }
Example #8
0
 TestResult TestTraditional(MooDB db, Record record)
 {
     IEnumerable<TraditionalTestCase> cases = from t in db.TestCases.OfType<TraditionalTestCase>()
                                              where t.Problem.ID == record.Problem.ID
                                              select t;
     return tester.TestTraditional(record.Code, record.Language, cases);
 }
Example #9
0
 TestResult TestSpecialJudged(MooDB db, Record record)
 {
     IEnumerable<SpecialJudgedTestCase> cases = from t in db.TestCases.OfType<SpecialJudgedTestCase>()
                                                where t.Problem.ID == record.Problem.ID
                                                select t;
     return tester.TestSpecialJudged(record.Code, record.Language, cases);
 }
Example #10
0
 TestResult TestAnswerOnly(MooDB db, Record record)
 {
     IEnumerable<AnswerOnlyTestCase> cases = from t in db.TestCases.OfType<AnswerOnlyTestCase>()
                                             where t.Problem.ID == record.Problem.ID
                                             select t;
     Dictionary<int, string> answers = new Dictionary<int, string>();
     MatchCollection matches = Regex.Matches(record.Code, @"<Moo:Answer testCase='(\d+)'>(.*?)</Moo:Answer>", RegexOptions.Singleline);
     foreach (Match match in matches)
     {
         int testCaseID = int.Parse(match.Groups[1].Value);
         string answer = match.Groups[2].Value;
         answers.Add(testCaseID, answer);
     }
     return tester.TestAnswerOnly(answers, cases);
 }