Best Coyote code snippet using Microsoft.Coyote.Samples.CoffeeMachineTasks.CoffeeMachine.OnError
CoffeeMachine.cs
Source:CoffeeMachine.cs  
...152            this.DoorOpen = await this.Sensors.GetReadDoorOpenAsync();153            if (this.DoorOpen.Value != false)154            {155                this.Log.WriteLine("Cannot safely operate coffee machine with the door open!");156                this.OnError();157            }158        }159        private async Task StartHeatingWater()160        {161            if (!this.Halted)162            {163                // Start heater and keep monitoring the water temp till it reaches 100!164                this.Log.WriteLine("Warming the water to 100 degrees");165                Specification.Monitor<LivenessMonitor>(new LivenessMonitor.BusyEvent());166                await this.MonitorWaterTemperature();167            }168            else169            {170                this.Log.WriteLine("Ignoring StartHeatingWater on a Halted Coffee machine");171            }172        }173        private async Task OnWaterHot()174        {175            this.Log.WriteLine("Coffee machine water temperature is now 100");176            if (this.Heating)177            {178                this.Heating = false;179                // Turn off the heater so we don't overheat it!180                await this.Sensors.SetWaterHeaterButtonAsync(false);181                this.Log.WriteLine("Turning off the water heater");182            }183            this.OnReady();184        }185        private async Task MonitorWaterTemperature()186        {187            while (!this.IsBroken)188            {189                this.WaterTemperature = await this.Sensors.GetWaterTemperatureAsync();190                if (this.WaterTemperature.Value >= 100)191                {192                    await this.OnWaterHot();193                    break;194                }195                else196                {197                    if (!this.Heating)198                    {199                        this.Heating = true;200                        // Turn on the heater and wait for WaterHotEvent.201                        this.Log.WriteLine("Turning on the water heater");202                        await this.Sensors.SetWaterHeaterButtonAsync(true);203                    }204                }205                this.Log.WriteLine("Coffee machine is warming up ({0} degrees)...", this.WaterTemperature);206                await Task.Delay(TimeSpan.FromSeconds(0.1));207            }208        }209        private void OnReady()210        {211            Specification.Monitor<LivenessMonitor>(new LivenessMonitor.IdleEvent());212            this.Log.WriteLine("Coffee machine is ready to make coffee (green light is on)");213        }214        private async Task GrindBeans()215        {216            // Grind beans until porta filter is full.217            this.Log.WriteLine("Grinding beans...");218            // Turn on the grinder!219            await this.Sensors.SetGrinderButtonAsync(true);220            // We now receive a stream of PortaFilterCoffeeLevelChanged events so we keep monitoring221            // the porta filter till it is full, and the bean level in case we get empty.222            await this.MonitorPortaFilter();223        }224        private async Task MonitorPortaFilter()225        {226            while (this.PortaFilterCoffeeLevel < 100 && !this.RefillRequired && !this.IsBroken)227            {228                await Task.Delay(TimeSpan.FromSeconds(0.1));229            }230        }231        private async Task OnHopperEmpty()232        {233            await this.Sensors.SetGrinderButtonAsync(false);234            this.OnRefillRequired("out of coffee beans");235        }236        private Task MakeShotsAsync()237        {238            // Pour the shots.239            this.Log.WriteLine("Making shots...");240            // First we assume user placed a new cup in the machine, and so the shot count is zero.241            this.PreviousShotCount = 0;242            // Wait for shots to be completed.243            return this.MonitorShotsAsync();244        }245        private async Task MonitorShotsAsync()246        {247            try248            {249                while (!this.IsBroken)250                {251                    this.Log.WriteLine("Shot count is {0}", this.PreviousShotCount);252                    // So we can wait for async event to come back from the sensors.253                    var completion = new TaskCompletionSource<bool>();254                    this.ShotCompleteSource = completion;255                    // Request another shot!256                    await this.Sensors.SetShotButtonAsync(true);257                    if (!this.IsBroken)258                    {259                        await completion.Task;260                        if (!this.IsBroken)261                        {262                            this.PreviousShotCount++;263                            if (this.PreviousShotCount >= this.ShotsRequested && !this.IsBroken)264                            {265                                this.Log.WriteLine("{0} shots completed and {1} shots requested!", this.PreviousShotCount, this.ShotsRequested);266                                if (this.PreviousShotCount > this.ShotsRequested)267                                {268                                    Specification.Assert(false, "Made the wrong number of shots");269                                }270                                break;271                            }272                        }273                    }274                }275            }276            catch (OperationCanceledException)277            {278                // Cancelled.279            }280        }281        private Task CleanupAsync()282        {283            // Dump the grinds.284            this.Log.WriteLine("Dumping the grinds!");285            return this.Sensors.SetDumpGrindsButtonAsync(true);286        }287        private void OnRefillRequired(string message)288        {289            this.Error = message;290            this.RefillRequired = true;291            Specification.Monitor<LivenessMonitor>(new LivenessMonitor.IdleEvent());292            this.Log.WriteError(message);293        }294        private void OnError()295        {296            this.Error = "Coffee machine needs fixing!";297            Specification.Monitor<LivenessMonitor>(new LivenessMonitor.IdleEvent());298            this.Log.WriteError(this.Error);299        }300        public async Task TerminateAsync()301        {302            this.Halted = true;303            this.Log.WriteLine("Coffee Machine Terminating...");304            var sensors = this.Sensors;305            if (sensors != null)306            {307                await sensors.SetPowerSwitchAsync(false);308            }...OnError
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Samples.CoffeeMachineTasks;6{7    {8        {9        }10        {11        }12        {13            public Exception Exception { get; set; }14        }15        {16        }17        {18        }19        {20        }21        {22            public Exception Exception { get; set; }23        }24        {25        }26        {27        }28        {29        }30        {31        }32        private TaskCompletionSource<bool> MakeCoffeeAsync()33        {34            var tcs = new TaskCompletionSource<bool>();35            Task.Run(async () =>36            {37                await Task.Delay(1000);38                tcs.SetResult(true);39            });40            return tcs;41        }42        private TaskCompletionSource<bool> TurnOnAsync()43        {44            var tcs = new TaskCompletionSource<bool>();45            Task.Run(async () =>46            {47                await Task.Delay(1000);48                tcs.SetResult(true);49            });50            return tcs;51        }52        private TaskCompletionSource<bool> TurnOffAsync()53        {54            var tcs = new TaskCompletionSource<bool>();55            Task.Run(async () =>56            {57                await Task.Delay(1000);58                tcs.SetResult(true);59            });60            return tcs;61        }62        private TaskCompletionSource<bool> RepairAsync()63        {64            var tcs = new TaskCompletionSource<bool>();65            Task.Run(async () =>66            {67                await Task.Delay(1000);68                tcs.SetResult(true);69            });70            return tcs;71        }72        private TaskCompletionSource<bool> ResetAsync()73        {74            var tcs = new TaskCompletionSource<bool>();75            Task.Run(async () =>76            {77                await Task.Delay(1000);78                tcs.SetResult(true);79            });80            return tcs;81        }82        private TaskCompletionSource<bool> OnErrorAsync(Exception exception)83        {OnError
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Samples.CoffeeMachineTasks;5{6    {7        private static int _waterLevel = 100;8        private static int _beansLevel = 100;9        private static int _milkLevel = 100;10        private static int _cupsLevel = 100;11        private static int _moneyLevel = 0;12        public static void Main()13        {14            Task.Run(() => Run());15            Console.ReadLine();16        }17        public static void Run()18        {19            CoffeeMachine coffeeMachine = new CoffeeMachine();20            coffeeMachine.OnError += CoffeeMachine_OnError;21            coffeeMachine.MakeCoffee();22        }23        private static void CoffeeMachine_OnError(object sender, EventArgs e)24        {25            Console.WriteLine("Coffee machine error: " + e.ToString());26        }27        public event EventHandler OnError;28        public void MakeCoffee()29        {30            if (_waterLevel < 10)31            {32                OnError?.Invoke(this, new EventArgs());33            }34            if (_beansLevel < 10)35            {36                OnError?.Invoke(this, new EventArgs());37            }38            if (_milkLevel < 10)39            {40                OnError?.Invoke(this, new EventArgs());41            }42            if (_cupsLevel < 1)43            {44                OnError?.Invoke(this, new EventArgs());45            }46            _waterLevel -= 10;47            _beansLevel -= 10;48            _milkLevel -= 10;49            _cupsLevel -= 1;50            _moneyLevel += 10;51        }52    }53}OnError
Using AI Code Generation
1{2    using System;3    using System.Threading.Tasks;4    using Microsoft.Coyote;5    using Microsoft.Coyote.Tasks;6    {7        [OnEntry(nameof(InitOnEntry))]8        [OnEventDoAction(typeof(Start), nameof(StartCoffee))]9        [OnEventDoAction(typeof(CoffeeReady), nameof(ServeCoffee))]10        [OnEventDoAction(typeof(CoffeeFinished), nameof(Shutdown))]11        [OnEventDoAction(typeof(Error), nameof(OnError))]12        class Init : State { }13        private void InitOnEntry(Event e)14        {15            this.RaiseEvent(new Start());16        }17        private void StartCoffee(Event e)18        {19            this.RaiseEvent(new CoffeeReady());20        }21        private void ServeCoffee(Event e)22        {23            this.RaiseEvent(new CoffeeFinished());24        }25        private void Shutdown(Event e)26        {27            this.RaiseHaltEvent();28        }29        private void OnError(Event e)30        {31            Console.WriteLine("Error occured");32        }33    }34}35{36    using System;37    using System.Threading.Tasks;38    using Microsoft.Coyote;39    using Microsoft.Coyote.Tasks;40    {41        static async Task Main(string[] args)42        {43            var config = Configuration.Create();44            config.EnableTestingIterations = true;45            config.MaxSchedulingSteps = 1000;46            config.SchedulingIterations = 1000;47            config.Verbose = 2;48            await RunAsync(config);OnError
Using AI Code Generation
1using System;2using Microsoft.Coyote.Samples.CoffeeMachineTasks;3using Microsoft.Coyote.Tasks;4{5    {6        static void Main(string[] args)7        {8            CoffeeMachine coffeeMachine = new CoffeeMachine();9            coffeeMachine.OnError += CoffeeMachine_OnError;10            coffeeMachine.Start();11        }12        private static void CoffeeMachine_OnError(object sender, ErrorEventArgs e)13        {14            Console.WriteLine(e.ToString());15        }16    }17}18using System;19using Microsoft.Coyote.Samples.CoffeeMachineTasks;20using Microsoft.Coyote.Tasks;21{22    {23        static void Main(string[] args)24        {25            CoffeeMachine coffeeMachine = new CoffeeMachine();26            coffeeMachine.OnError += CoffeeMachine_OnError;27            coffeeMachine.Start();28        }29        private static void CoffeeMachine_OnError(object sender, ErrorEventArgs e)30        {31            Console.WriteLine(e.ToString());32        }33    }34}35using System;36using Microsoft.Coyote.Samples.CoffeeMachineTasks;37using Microsoft.Coyote.Tasks;38{39    {40        static void Main(string[] args)41        {42            CoffeeMachine coffeeMachine = new CoffeeMachine();43            coffeeMachine.OnError += CoffeeMachine_OnError;44            coffeeMachine.Start();45        }46        private static void CoffeeMachine_OnError(object sender, ErrorEventArgs e)47        {48            Console.WriteLine(e.ToString());49        }50    }51}52using System;53using Microsoft.Coyote.Samples.CoffeeMachineTasks;54using Microsoft.Coyote.Tasks;55{56    {57        static void Main(string[] args)58        {59            CoffeeMachine coffeeMachine = new CoffeeMachine();60            coffeeMachine.OnError += CoffeeMachine_OnError;61            coffeeMachine.Start();62        }63        private static void CoffeeMachine_OnError(object sender, ErrorEventArgs e)64        {65            Console.WriteLine(e.ToString());OnError
Using AI Code Generation
1{2    using System;3    using System.Threading.Tasks;4    using Microsoft.Coyote;5    using Microsoft.Coyote.Tasks;6    {7        internal class Ready : State { }8        internal class MakeCoffee : State { }9        internal class OutOfCoffee : State { }10        internal class Start : Event { }11        internal class Make : Event { }12        internal class Done : Event { }13        internal class Error : Event { }14        [OnEntry(nameof(Initialize))]15        [OnEventDoAction(typeof(Start), nameof(StartCoffee))]16        [OnEventDoAction(typeof(Make), nameof(MakeCoffee))]17        [OnEventDoAction(typeof(Error), nameof(OnError))]18        [OnEventDoAction(typeof(Done), nameof(DoneCoffee))]19        private class Init : StateMachineState { }20        private void Initialize()21        {22            this.RaiseEvent(new Start());23        }24        private void StartCoffee()25        {26            this.RaiseEvent(new Make());27        }28        private void MakeCoffee()29        {30            this.RaiseEvent(new Done());31        }32        private void DoneCoffee()33        {34            this.RaiseEvent(new Start());35        }36        private void OnError()37        {38            this.RaiseEvent(new Halt());39        }40    }41    {42        public static void Main()43        {44            Task task = Task.Run(() =>45            {46                Runtime runtime = RuntimeFactory.Create();47                runtime.RegisterMonitor(typeof(CoffeeMachineMonitor));48                runtime.CreateActor(typeof(CoffeeMachine));49                runtime.Start();50            });51            task.Wait();52        }53    }54}55Bug #1: (Bug found in line 0 of the test program)OnError
Using AI Code Generation
1using Microsoft.Coyote.Samples.CoffeeMachineTasks;2using System;3using System.Threading.Tasks;4using System.Threading;5{6    {7        public async Task MakeCoffeeAsync()8        {9            await Task.Delay(1000);10            throw new Exception("Error in making coffee");11        }12        public async Task MakeTeaAsync()13        {14            await Task.Delay(1000);15            throw new Exception("Error in making tea");16        }17        public async Task MakeCappuccinoAsync()18        {19            await Task.Delay(1000);20            throw new Exception("Error in making cappuccino");21        }22    }23}24using Microsoft.Coyote.Samples.CoffeeMachineTasks;25using System;26using System.Threading.Tasks;27using System.Threading;28{29    {30        public async Task MakeCoffeeAsync()31        {32            await Task.Delay(1000);33            throw new Exception("Error in making coffee");34        }35        public async Task MakeTeaAsync()36        {37            await Task.Delay(1000);38            throw new Exception("Error in making tea");39        }40        public async Task MakeCappuccinoAsync()41        {42            await Task.Delay(1000);43            throw new Exception("Error in making cappuccino");44        }45    }46}47using Microsoft.Coyote.Samples.CoffeeMachineTasks;48using System;49using System.Threading.Tasks;50using System.Threading;51{52    {53        public async Task MakeCoffeeAsync()54        {55            await Task.Delay(1000);56            throw new Exception("Error in making coffee");57        }58        public async Task MakeTeaAsync()59        {60            await Task.Delay(1000);61            throw new Exception("Error in making tea");62        }63        public async Task MakeCappuccinoAsync()64        {65            await Task.Delay(1000);66            throw new Exception("Error in making cappuccino");67        }68    }69}OnError
Using AI Code Generation
1using System;2using Microsoft.Coyote;3using Microsoft.Coyote.Samples.CoffeeMachineTasks;4using Microsoft.Coyote.Tasks;5{6    {7        static void Main(string[] args)8        {9            CoffeeMachine machine = new CoffeeMachine();10            machine.OnError += (sender, e) => { Console.WriteLine("Error: {0}", e.Message); };11            Task.Run(() => machine.Run());12        }13    }14}15using System;16using Microsoft.Coyote;17using Microsoft.Coyote.Samples.CoffeeMachineTasks;18using Microsoft.Coyote.Tasks;19{20    {21        static void Main(string[] args)22        {23            CoffeeMachine machine = new CoffeeMachine();24            machine.OnError += (sender, e) => { Console.WriteLine("Error: {0}", e.Message); };25            Task.Run(() => machine.Run());26        }27    }28}29using System;30using Microsoft.Coyote;31using Microsoft.Coyote.Samples.CoffeeMachineTasks;32using Microsoft.Coyote.Tasks;33{34    {35        static void Main(string[] args)36        {37            CoffeeMachine machine = new CoffeeMachine();38            machine.OnError += (sender, e) => { Console.WriteLine("Error: {0}", e.Message); };39            Task.Run(() => machine.Run());40        }41    }42}43using System;44using Microsoft.Coyote;45using Microsoft.Coyote.Samples.CoffeeMachineTasks;46using Microsoft.Coyote.Tasks;47{48    {49        static void Main(string[] args)50        {51            CoffeeMachine machine = new CoffeeMachine();52            machine.OnError += (sender, e) => { Console.WriteLine("Error: {0}", e.Message); };53            Task.Run(() => machine.Run());54        }55    }56}OnError
Using AI Code Generation
1{2    {3        private static void Main()4        {5            CoffeeMachine coffeeMachine = new CoffeeMachine();6            coffeeMachine.OnError += (sender, e) => Console.WriteLine(e.Message);7            coffeeMachine.Start();8            coffeeMachine.ButtonPressed();9            coffeeMachine.ButtonPressed();OnError
Using AI Code Generation
1{2    using System;3    using System.Threading.Tasks;4    using Microsoft.Coyote;5    using Microsoft.Coyote.Tasks;6    {7        private readonly int _maxCups;8        private int _cups;9        public CoffeeMachine(int maxCups)10        {11            _maxCups = maxCups;12        }13        public async Task MakeCoffeeAsync()14        {15            if (_cups == _maxCups)16            {17                throw new Exception("No more cups.");18            }19            await Task.Delay(1000);20            _cups++;21        }22        public void OnError(Exception ex)23        {24            Console.WriteLine("Error: " + ex.Message);25        }26    }27}28{29    using System;30    using System.Threading.Tasks;31    using Microsoft.Coyote;32    using Microsoft.Coyote.Tasks;33    {34        private readonly int _maxCups;35        private int _cups;36        public CoffeeMachine(int maxCups)37        {38            _maxCups = maxCups;39        }40        public async Task MakeCoffeeAsync()41        {42            if (_cups == _maxCups)43            {44                throw new Exception("No more cups.");45            }46            await Task.Delay(1000);47            _cups++;48        }49        public void OnError(Exception ex)50        {51            Console.WriteLine("Error: " + ex.Message);52        }53    }54}55{56    using System;57    using System.Threading.Tasks;58    using Microsoft.Coyote;59    using Microsoft.Coyote.Tasks;60    {61        private readonly int _maxCups;62        private int _cups;63        public CoffeeMachine(int maxCups)64        {OnError
Using AI Code Generation
1Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {2    Console.WriteLine("Error " + e.Exception.Message);3};4Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {5    Console.WriteLine("Error " + e.Exception.Message);6    e.RethrowException = false;7};8Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {9    Console.WriteLine("Error " + e.Exception.Message);10    e.RethrowException = false;11    e.Handled = true;12};13Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {14    Console.WriteLine("Error " + e.Exception.Message);15    e.RethrowException = false;16    e.Handled = true;17    e.Continue = true;18};19Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {20    Console.WriteLine("Error " + e.Exception.Message);21    e.RethrowException = false;22    e.Handled = true;23    e.Continue = true;24    e.ContinueWith = new Task(() => Console.WriteLine("Continuing"));25};26Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {27    Console.WriteLine("Error " + e.Exception.Message);28    e.RethrowException = false;29    e.Handled = true;30    e.Continue = true;31    e.ContinueWith = new Task(() => Console.WriteLine("Continuing"));32    e.ContinueWith.Start();33};34Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {35    Console.WriteLine("Error " + e.Exception.Message);36    e.RethrowException = false;37    e.Handled = true;38    e.Continue = true;39    e.ContinueWith = new Task(() => Console.WriteLine("Continuing"));40    e.ContinueWith.Start();41    e.ContinueWith.Wait();42};43Coyote.Interception.OnError += (object sender, Coyote.Interception.ErrorEventArgs e) => {44    Console.WriteLine("Error " + e.Exception.Message);45    e.RethrowException = false;46    e.Handled = true;47    e.Continue = true;48    e.ContinueWith = new Task(() => Console.WriteLine("Continuing"));49    e.ContinueWith.Start();Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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