Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use AddEventHandler method of Telerik.JustMock.Core.Behaviors.EventStubsBehavior class

Best JustMockLite code snippet using Telerik.JustMock.Core.Behaviors.EventStubsBehavior.AddEventHandler

EventStubsBehavior.cs

Source:EventStubsBehavior.cs

...43				return;44			invocation.UserProvidedImplementation = true;45			var delg = (Delegate)invocation.Args[0];46			if (candidateEvent.GetAddMethod(true) == invocation.Method)47				this.AddEventHandler(candidateEvent, delg);48			else49				this.RemoveEventHandler(candidateEvent, delg);50		}51		private void AddEventHandler(EventInfo evt, Delegate handler)52		{53			Delegate existing;54			eventHandlers.TryGetValue(evt, out existing);55			eventHandlers[evt] = Delegate.Combine(existing, handler);56		}57		private void RemoveEventHandler(EventInfo evt, Delegate handler)58		{59			Delegate existing;60			eventHandlers.TryGetValue(evt, out existing);61			eventHandlers[evt] = Delegate.Remove(existing, handler);62		}63		public void RaiseEvent(EventInfo evt, object[] delegateArguments)64		{65			Delegate existing;...

AddEventHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock;7using Telerik.JustMock.Core.Behaviors;8{9    {10        static void Main(string[] args)11        {12            var eventStubsBehavior = new EventStubsBehavior();13            var eventStubs = eventStubsBehavior.AddEventHandler(typeof(Program), "MyEvent", (Action)delegate { });14            Console.WriteLine("Event Added");15            Console.ReadLine();16        }17        public event Action MyEvent;18    }19}20AddEventHandler Method (EventStubsBehavior)

AddEventHandler

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Core;3using Telerik.JustMock.Core.Behaviors;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9using System.Windows.Forms;10{11    {12        public static void AddEventHandler()13        {14            var form = Mock.Create<Form>();15            var stubBehavior = Mock.GetBehavior<EventStubsBehavior>(form);16            stubBehavior.AddEventHandler("Load", new EventHandler((s, e) => { }));17            var handler = Mock.Arrange(() => form.Load += null).IgnoreInstance().GetEventHandlers().Last();18            form.Load += handler;

AddEventHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock;7using Telerik.JustMock.Core;8using Telerik.JustMock.Core.Behaviors;9{10    {11        static void Main(string[] args)12        {13            var obj = Mock.Create<TestClass>();14            Mock.Arrange(() => obj.TestEvent += null).AddEventHandler((EventStubsBehavior)((sender, e) => { }));15            Mock.Arrange(() => obj.TestEvent -= null).AddEventHandler((EventStubsBehavior)((sender, e) => { }));16            obj.TestEvent += null;17            obj.TestEvent -= null;18        }19    }20    {21        public event EventHandler TestEvent;22    }23}

AddEventHandler

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Helpers;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8using System.Windows.Forms;9{10    {11        public void AddEventHandler()12        {13            var control = Mock.Create<Control>();14            var stub = Mock.Create<EventStubsBehavior>();15            stub.AddEventHandler("Click", null, null);16            Mock.Arrange(() => control.Behavior).Returns(stub);17        }18    }19}20using Telerik.JustMock;21using Telerik.JustMock.Helpers;22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27using System.Windows.Forms;28{29    {30        public void AddEventHandler()31        {32            var control = Mock.Create<Control>();33            var stub = Mock.Create<EventStubsBehavior>();34            stub.AddEventHandler("Click", null, null);35            Mock.Arrange(() => control.Behavior).Returns(stub);36        }37    }38}39using Telerik.JustMock;40using Telerik.JustMock.Helpers;41using System;42using System.Collections.Generic;43using System.Linq;44using System.Text;45using System.Threading.Tasks;46using System.Windows.Forms;47{48    {49        public void AddEventHandler()50        {51            var control = Mock.Create<Control>();52            var stub = Mock.Create<EventStubsBehavior>();53            stub.AddEventHandler("Click", null, null);54            Mock.Arrange(() => control.Behavior).Returns(stub);55        }56    }57}58using Telerik.JustMock;59using Telerik.JustMock.Helpers;60using System;61using System.Collections.Generic;62using System.Linq;63using System.Text;64using System.Threading.Tasks;65using System.Windows.Forms;66{67    {68        public void AddEventHandler()69        {

AddEventHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock;7using System.Windows.Forms;8{9    {10        public static void AddHandler()11        {12            var form = Mock.Create<Form>();13            var button = Mock.Create<Button>();14            Mock.Arrange(() => form.Controls.Add(button));15            Mock.Arrange(() => button.Click += null).IgnoreArguments().DoInstead(() =>16            {17                Console.WriteLine("Button clicked!");18            });19            Mock.Arrange(() => button.Click += null).IgnoreArguments().DoInstead(() =>20            {21                Console.WriteLine("Button clicked!");22            });23            form.Controls.Add(button);24            button.PerformClick();25        }26    }27}

AddEventHandler

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Core.Behaviors;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8using System.Windows.Forms;9using System.ComponentModel;10{11    {12        public void AddEventHandler()13        {14            var form = Mock.Create<Form>();15            var stub = Mock.Create<EventStubsBehavior>();16            Mock.Arrange(() => form.Events).Returns(stub);17            form.Load += (s, e) => { };18            Mock.Assert(() => form.Events.AddEventHandler("Load", Arg.IsAny<Delegate>()), Occurs.Once());19        }20    }21}22using Telerik.JustMock;23using Telerik.JustMock.Core.Behaviors;24using System;25using System.Collections.Generic;26using System.Linq;27using System.Text;28using System.Threading.Tasks;29using System.Windows.Forms;30using System.ComponentModel;31{32    {33        public void RemoveEventHandler()34        {35            var form = Mock.Create<Form>();36            var stub = Mock.Create<EventStubsBehavior>();37            Mock.Arrange(() => form.Events).Returns(stub);38            EventHandler handler = (s, e) => { };39            form.Load += handler;40            form.Load -= handler;41            Mock.Assert(() => form.Events.RemoveEventHandler("Load", Arg.IsAny<Delegate>()), Occurs.Once());42        }43    }44}45using Telerik.JustMock;46using Telerik.JustMock.Core.Behaviors;47using System;48using System.Collections.Generic;49using System.Linq;50using System.Text;51using System.Threading.Tasks;52using System.Windows.Forms;53using System.ComponentModel;54{55    {56        public void GetEvent()57        {58            var form = Mock.Create<Form>();59            var stub = Mock.Create<EventStubsBehavior>();60            Mock.Arrange(() => form.Events).Returns(stub);61            var @event = form.Events.GetEvent("Load");

AddEventHandler

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Helpers;3using System;4using System.Windows.Forms;5{6    {7        public event EventHandler MyEvent;8        public void FireEvent()9        {10            MyEvent(this, EventArgs.Empty);11        }12    }13    {14        private Foo foo = new Foo();15        public Form1()16        {17            InitializeComponent();18        }19        private void btnSubscribe_Click(object sender, EventArgs e)20        {21            foo.AddEventHandler(f => f.MyEvent += null, (s, ev) => MessageBox.Show("Event fired."));22        }23        private void btnFireEvent_Click(object sender, EventArgs e)24        {25            foo.FireEvent();26        }27    }28}

AddEventHandler

Using AI Code Generation

1using System;2using Telerik.JustMock;3using Telerik.JustMock.Core;4using Telerik.JustMock.Helpers;5{6    {7        public event EventHandler MyEvent;8        public void RaiseEvent()9        {10            if (MyEvent != null)11                MyEvent(this, EventArgs.Empty);12        }13    }14    {15        public void Subscribe(Class1 instance)16        {17            instance.AddEventHandler(x => x.MyEvent, (sender, args) => Console.WriteLine("Event Raised"));18        }19        public void RaiseEvent(Class1 instance)20        {21            instance.RaiseEvent();22        }23    }24    {25        public void AddEventHandler()26        {27            var instance = Mock.Create<Class1>(Behavior.CallOriginal);28            var subscriber = new Class2();29            subscriber.Subscribe(instance);30            subscriber.RaiseEvent(instance);31        }32    }33}34{35    using System;36    using Telerik.JustMock;37    using Telerik.JustMock.Core;38    using Telerik.JustMock.Helpers;39    {40        {41            public event EventHandler MyEvent;42            public void RaiseEvent()43            {44                if (MyEvent != null)45                    MyEvent(this, EventArgs.Empty);46            }47        }48        {49            public void Subscribe(Class1 instance)50            {51                instance.AddEventHandler(x => x.MyEvent, (sender, args) => Console.WriteLine("Event Raised"));52            }53            public void RaiseEvent(Class1 instance)54            {55                instance.RaiseEvent();56            }57        }58        {59            public void AddEventHandler()60            {61                var instance = Mock.Create<Class1>(Behavior.CallOriginal);62                var subscriber = new Class2();63                subscriber.Subscribe(instance);64                subscriber.RaiseEvent(instance);65            }66        }67    }68}69using System;70using Telerik.JustMock;71using Telerik.JustMock.Core;72using Telerik.JustMock.Helpers;

Automation Testing Tutorials

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.