diff --git a/91_Train/csharp/Train/Train.sln b/91_Train/csharp/Train/Train.sln new file mode 100644 index 00000000..7735a737 --- /dev/null +++ b/91_Train/csharp/Train/Train.sln @@ -0,0 +1,31 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 16 +VisualStudioVersion = 16.0.31129.286 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TrainGame", "Train\TrainGame.csproj", "{42617537-4E7C-4082-A17B-7F18DFA04C35}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TrainTests", "..\TrainTests\TrainTests\TrainTests.csproj", "{7C740A47-99C6-44E1-BDEE-140086BCFE8B}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {42617537-4E7C-4082-A17B-7F18DFA04C35}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {42617537-4E7C-4082-A17B-7F18DFA04C35}.Debug|Any CPU.Build.0 = Debug|Any CPU + {42617537-4E7C-4082-A17B-7F18DFA04C35}.Release|Any CPU.ActiveCfg = Release|Any CPU + {42617537-4E7C-4082-A17B-7F18DFA04C35}.Release|Any CPU.Build.0 = Release|Any CPU + {7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Debug|Any CPU.Build.0 = Debug|Any CPU + {7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Release|Any CPU.ActiveCfg = Release|Any CPU + {7C740A47-99C6-44E1-BDEE-140086BCFE8B}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {919F73B8-DE34-4992-9B05-E1FEC2D2F7C6} + EndGlobalSection +EndGlobal diff --git a/91_Train/csharp/Train/Train/TrainGame.cs b/91_Train/csharp/Train/Train/TrainGame.cs new file mode 100644 index 00000000..98e0db68 --- /dev/null +++ b/91_Train/csharp/Train/Train/TrainGame.cs @@ -0,0 +1,93 @@ +using System; +using System.Linq; + +namespace Train +{ + public class TrainGame + { + private Random Rnd { get; } = new Random(); + private readonly int ALLOWED_PERCENTAGE_DIFFERENCE = 5; + + static void Main() + { + TrainGame train = new TrainGame(); + train.GameLoop(); + } + + public void GameLoop() + { + DisplayIntroText(); + + do + { + PlayGame(); + } while (TryAgain()); + } + + private void PlayGame() + { + int carSpeed = (int)GenerateRandomNumber(40, 25); + int timeDifference = (int)GenerateRandomNumber(5, 15); + int trainSpeed = (int)GenerateRandomNumber(20, 19); + + Console.WriteLine($"A CAR TRAVELING {carSpeed} MPH CAN MAKE A CERTAIN TRIP IN"); + Console.WriteLine($"{timeDifference} HOURS LESS THAN A TRAIN TRAVELING AT {trainSpeed} MPH"); + Console.WriteLine("HOW LONG DOES THE TRIP TAKE BY CAR?"); + + double userInputCarJourneyDuration = double.Parse(Console.ReadLine()); + double actualCarJourneyDuration = CalculateCarJourneyDuration(carSpeed, timeDifference, trainSpeed); + int percentageDifference = CalculatePercentageDifference(userInputCarJourneyDuration, actualCarJourneyDuration); + + if (IsWithinAllowedDifference(percentageDifference, ALLOWED_PERCENTAGE_DIFFERENCE)) + { + Console.WriteLine($"GOOD! ANSWER WITHIN {percentageDifference} PERCENT."); + } + else + { + Console.WriteLine($"SORRY. YOU WERE OFF BY {percentageDifference} PERCENT."); + } + Console.WriteLine($"CORRECT ANSWER IS {actualCarJourneyDuration} HOURS."); + } + + public static bool IsWithinAllowedDifference(int percentageDifference, int allowedDifference) + { + return percentageDifference <= allowedDifference; + } + + private static int CalculatePercentageDifference(double userInputCarJourneyDuration, double carJourneyDuration) + { + return (int)(Math.Abs((carJourneyDuration - userInputCarJourneyDuration) * 100 / userInputCarJourneyDuration) + .5); + } + + public static double CalculateCarJourneyDuration(double carSpeed, double timeDifference, double trainSpeed) + { + return timeDifference * trainSpeed / (carSpeed - trainSpeed); + } + + public double GenerateRandomNumber(int baseSpeed, int multiplier) + { + return multiplier * Rnd.NextDouble() + baseSpeed; + } + + private bool TryAgain() + { + Console.WriteLine("ANOTHER PROBLEM (YES OR NO)? "); + return IsInputYes(Console.ReadLine()); + } + + public static bool IsInputYes(string consoleInput) + { + var options = new string[] { "Y", "YES" }; + return options.Any(o => o.Equals(consoleInput, StringComparison.CurrentCultureIgnoreCase)); + } + + private void DisplayIntroText() + { + Console.WriteLine("TRAIN"); + Console.WriteLine("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"); + Console.WriteLine(); + Console.WriteLine("TIME - SPEED DISTANCE EXERCISE"); + Console.WriteLine(); + } + } +} diff --git a/91_Train/csharp/Train/Train/TrainGame.csproj b/91_Train/csharp/Train/Train/TrainGame.csproj new file mode 100644 index 00000000..c73e0d16 --- /dev/null +++ b/91_Train/csharp/Train/Train/TrainGame.csproj @@ -0,0 +1,8 @@ + + + + Exe + netcoreapp3.1 + + + diff --git a/91_Train/csharp/TrainTests/TrainTests/TrainGameTests.cs b/91_Train/csharp/TrainTests/TrainTests/TrainGameTests.cs new file mode 100644 index 00000000..a9804283 --- /dev/null +++ b/91_Train/csharp/TrainTests/TrainTests/TrainGameTests.cs @@ -0,0 +1,53 @@ +using Train; +using Xunit; + +namespace TrainTests +{ + public class TrainGameTests + { + [Fact] + public void MiniumRandomNumber() + { + TrainGame game = new TrainGame(); + Assert.True(game.GenerateRandomNumber(10, 10) >= 10); + } + + [Fact] + public void MaximumRandomNumber() + { + TrainGame game = new TrainGame(); + Assert.True(game.GenerateRandomNumber(10, 10) <= 110); + } + + [Fact] + public void IsInputYesWhenY() + { + Assert.True(TrainGame.IsInputYes("y")); + } + + [Fact] + public void IsInputYesWhenNotY() + { + Assert.False(TrainGame.IsInputYes("a")); + } + + [Fact] + public void CarDurationTest() + { + Assert.Equal(1, TrainGame.CalculateCarJourneyDuration(30, 1, 15) ); + } + + [Fact] + public void IsWithinAllowedDifference() + { + Assert.True(TrainGame.IsWithinAllowedDifference(5,5)); + } + + + [Fact] + public void IsNotWithinAllowedDifference() + { + Assert.False(TrainGame.IsWithinAllowedDifference(6, 5)); + } + } +} diff --git a/91_Train/csharp/TrainTests/TrainTests/TrainTests.csproj b/91_Train/csharp/TrainTests/TrainTests/TrainTests.csproj new file mode 100644 index 00000000..a8de6dde --- /dev/null +++ b/91_Train/csharp/TrainTests/TrainTests/TrainTests.csproj @@ -0,0 +1,26 @@ + + + + netcoreapp3.1 + + false + + + + + + + runtime; build; native; contentfiles; analyzers; buildtransitive + all + + + runtime; build; native; contentfiles; analyzers; buildtransitive + all + + + + + + + +