How to use SetReturnType method of Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.MethodEmitter class

Best JustMockLite code snippet using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.MethodEmitter.SetReturnType

MethodEmitter.cs

Source:MethodEmitter.cs Github

copy

Full Screen

...42 params Type[] argumentTypes)43 : this(owner, name, attributes)44 {45 SetParameters(argumentTypes);46 SetReturnType(returnType);47 }48 internal MethodEmitter(AbstractTypeEmitter owner, String name,49 MethodAttributes attributes, MethodInfo methodToUseAsATemplate)50 : this(owner, name, attributes)51 {52 var name2GenericType = GenericUtil.GetGenericArgumentsMap(owner);53 var returnType = GenericUtil.ExtractCorrectType(methodToUseAsATemplate.ReturnType, name2GenericType);54 var baseMethodParameters = methodToUseAsATemplate.GetParameters();55 var parameters = GenericUtil.ExtractParametersTypes(baseMethodParameters, name2GenericType);56 genericTypeParams = GenericUtil.CopyGenericArguments(methodToUseAsATemplate, builder, name2GenericType);57 SetParameters(parameters);58 SetReturnType(returnType);59 SetSignature(returnType, methodToUseAsATemplate.ReturnParameter, parameters, baseMethodParameters);60 DefineParameters(baseMethodParameters);61 }62 public ArgumentReference[] Arguments63 {64 get { return arguments; }65 }66 public virtual MethodCodeBuilder CodeBuilder67 {68 get69 {70 if (codebuilder == null)71 {72 codebuilder = new MethodCodeBuilder(builder.GetILGenerator());73 }74 return codebuilder;75 }76 }77 public GenericTypeParameterBuilder[] GenericTypeParams78 {79 get { return genericTypeParams; }80 }81 public MethodBuilder MethodBuilder82 {83 get { return builder; }84 }85 public MemberInfo Member86 {87 get { return builder; }88 }89 public Type ReturnType90 {91 get { return builder.ReturnType; }92 }93 private bool ImplementedByRuntime94 {95 get96 {97#if FEATURE_LEGACY_REFLECTION_API98 var attributes = builder.GetMethodImplementationFlags();99#else100 var attributes = builder.MethodImplementationFlags;101#endif102 return (attributes & MethodImplAttributes.Runtime) != 0;103 }104 }105 public void DefineCustomAttribute(CustomAttributeBuilder attribute)106 {107 builder.SetCustomAttribute(attribute);108 }109 public void SetParameters(Type[] paramTypes)110 {111 builder.SetParameters(paramTypes);112 arguments = ArgumentsUtil.ConvertToArgumentReference(paramTypes);113 ArgumentsUtil.InitializeArgumentsByPosition(arguments, MethodBuilder.IsStatic);114 }115 public virtual void EnsureValidCodeBlock()116 {117 if (ImplementedByRuntime == false && CodeBuilder.IsEmpty)118 {119 CodeBuilder.AddStatement(new NopStatement());120 CodeBuilder.AddStatement(new ReturnStatement());121 }122 }123 public virtual void Generate()124 {125 if (ImplementedByRuntime)126 {127 return;128 }129 codebuilder.Generate(this, builder.GetILGenerator());130 }131 private void DefineParameters(ParameterInfo[] parameters)132 {133 foreach (var parameter in parameters)134 {135 var parameterBuilder = builder.DefineParameter(parameter.Position + 1, parameter.Attributes, parameter.Name);136 foreach (var attribute in parameter.GetNonInheritableAttributes())137 {138 parameterBuilder.SetCustomAttribute(attribute.Builder);139 }140 // If a parameter has a default value, that default value needs to be replicated.141 // Default values as reported by `ParameterInfo.[Raw]DefaultValue` have two possible origins:142 //143 // 1. A `[DecimalConstant]` or `[DateTimeConstant]` custom attribute attached to the parameter.144 // Attribute-based default values have already been copied above.145 // (Note that another attribute type, `[DefaultParameterValue]`, only appears in source146 // code. The compiler replaces it with another metadata construct:)147 //148 // 2. A `Constant` metadata table entry whose parent is the parameter.149 // Constant-based default values need more work. We can detect this case by checking150 // whether the `ParameterAttributes.HasDefault` flag is set. (NB: This is not the same151 // as querying `ParameterInfo.HasDefault`, which would also return true for case (1)!)152 if ((parameter.Attributes & ParameterAttributes.HasDefault) != 0)153 {154 try155 {156 CopyDefaultValueConstant(from: parameter, to: parameterBuilder);157 }158 catch159 {160 // Default value replication is a nice-to-have feature but not essential,161 // so if it goes wrong for one parameter, just continue.162 }163 }164 }165 }166 private void CopyDefaultValueConstant(ParameterInfo from, ParameterBuilder to)167 {168 Debug.Assert(from != null);169 Debug.Assert(to != null);170 Debug.Assert((from.Attributes & ParameterAttributes.HasDefault) != 0);171 object defaultValue;172 try173 {174 defaultValue = from.DefaultValue;175 }176 catch (FormatException) when (from.ParameterType == typeof(DateTime))177 {178 // This catch clause guards against a CLR bug that makes it impossible to query179 // the default value of an optional DateTime parameter. For the CoreCLR, see180 // https://github.com/dotnet/corefx/issues/26164.181 // If this bug is present, it is caused by a `null` default value:182 defaultValue = null;183 }184 catch (FormatException) when (from.ParameterType.GetTypeInfo().IsEnum)185 {186 // This catch clause guards against a CLR bug that makes it impossible to query187 // the default value of a (closed generic) enum parameter. For the CoreCLR, see188 // https://github.com/dotnet/corefx/issues/29570.189 // If this bug is present, it is caused by a `null` default value:190 defaultValue = null;191 }192 if (defaultValue is Missing)193 {194 // It is likely that we are reflecting over invalid metadata if we end up here.195 // At this point, `to.Attributes` will have the `HasDefault` flag set. If we do196 // not call `to.SetConstant`, that flag will be reset when creating the dynamic197 // type, so `to` will at least end up having valid metadata. It is quite likely198 // that the `Missing.Value` will still be reproduced because the `Parameter-199 // Builder`'s `ParameterAttributes.Optional` is likely set. (If it isn't set,200 // we'll be causing a default value of `DBNull.Value`, but there's nothing that201 // can be done about that, short of recreating a new `ParameterBuilder`.)202 return;203 }204 try205 {206 to.SetConstant(defaultValue);207 }208 catch (ArgumentException)209 {210 var parameterType = from.ParameterType;211 var parameterNonNullableType = parameterType;212 if (defaultValue == null)213 {214 if (parameterType.IsNullableType())215 {216 // This guards against a Mono bug that prohibits setting default value `null`217 // for a `Nullable<T>` parameter. See https://github.com/mono/mono/issues/8504.218 //219 // If this bug is present, luckily we still get `null` as the default value if220 // we do nothing more (which is probably itself yet another bug, as the CLR221 // would "produce" a default value of `Missing.Value` in this situation).222 return;223 }224 else if (parameterType.GetTypeInfo().IsValueType)225 {226 // This guards against a CLR bug that prohibits replicating `null` default227 // values for non-nullable value types (which, despite the apparent type228 // mismatch, is perfectly legal and something that the Roslyn compilers do).229 // For the CoreCLR, see https://github.com/dotnet/corefx/issues/26184.230 // If this bug is present, the best we can do is to not set the default value.231 // This will cause a default value of `Missing.Value` (if `ParameterAttributes-232 // .Optional` is set) or `DBNull.Value` (otherwise, unlikely).233 return;234 }235 }236 else if (parameterType.IsNullableType())237 {238 parameterNonNullableType = from.ParameterType.GetGenericArguments()[0];239 if (parameterNonNullableType.GetTypeInfo().IsEnum || parameterNonNullableType.IsAssignableFrom(defaultValue.GetType()))240 {241 // This guards against two bugs:242 //243 // * On the CLR and CoreCLR, a bug that makes it impossible to use `ParameterBuilder-244 // .SetConstant` on parameters of a nullable enum type. For CoreCLR, see245 // https://github.com/dotnet/coreclr/issues/17893.246 //247 // If this bug is present, there is no way to faithfully reproduce the default248 // value. This will most likely cause a default value of `Missing.Value` or249 // `DBNull.Value`. (To better understand which of these, see comment above).250 //251 // * On Mono, a bug that performs a too-strict type check for nullable types. The252 // value passed to `ParameterBuilder.SetConstant` must have a type matching that253 // of the parameter precisely. See https://github.com/mono/mono/issues/8597.254 //255 // If this bug is present, there's no way to reproduce the default value because256 // we cannot actually create a value of type `Nullable<>`.257 return;258 }259 }260 // Finally, we might have got here because the metadata constant simply doesn't match261 // the parameter type exactly. Some code generators other than the .NET compilers262 // might produce such metadata. Make a final attempt to coerce it to the required type:263 try264 {265 var coercedDefaultValue = Convert.ChangeType(defaultValue, parameterNonNullableType, CultureInfo.InvariantCulture);266 to.SetConstant(coercedDefaultValue);267 return;268 }269 catch270 {271 // We don't care about the error thrown by an unsuccessful type coercion.272 }273 throw;274 }275 }276 private void SetReturnType(Type returnType)277 {278 builder.SetReturnType(returnType);279 }280 private void SetSignature(Type returnType, ParameterInfo returnParameter, Type[] parameters,281 ParameterInfo[] baseMethodParameters)282 {283 Type[] returnRequiredCustomModifiers;284 Type[] returnOptionalCustomModifiers;285 Type[][] parametersRequiredCustomModifiers;286 Type[][] parametersOptionalCustomModifiers;287#if FEATURE_EMIT_CUSTOMMODIFIERS288 returnRequiredCustomModifiers = returnParameter.GetRequiredCustomModifiers();289 Array.Reverse(returnRequiredCustomModifiers);290 returnOptionalCustomModifiers = returnParameter.GetOptionalCustomModifiers();291 Array.Reverse(returnOptionalCustomModifiers);292 int parameterCount = baseMethodParameters.Length;...

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;3using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;4using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.CodeBuilders.SimpleAST;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;6using Telerik.JustMock.Core.Castle.DynamicProxy;7using System.Reflection;8{9 {10 static void Main(string[] args)11 {12 var method = new MethodEmitter(null, null, null, null);13 method.SetReturnType(new ByRefType(typeof(int)));14 var returnType = method.ReturnType;15 var returnType2 = method.ReturnType;16 }17 }18}

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;7using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;8using Telerik.JustMock.Core;9{10 {11 static void Main(string[] args)12 {13 var method = new MethodEmitter(null, null, null, null, null, null);14 method.SetReturnType(typeof(int));15 }16 }17}18I am using the latest version of JustMock (2019.3.1019.1) and I am still getting the error when trying to use the SetReturnType method of the MethodEmitter class. Is there any update on when this issue will be fixed?

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Reflection;3using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;4using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.CodeBuilders.SimpleAST;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.CodeBuilders;7using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;8using Telerik.JustMock.Core.Castle.DynamicProxy;9{10 {11 public static void Main(string[] args)12 {13 var emitter = new MethodEmitter(null, null, null, null);14 emitter.SetReturnType(typeof(int));15 emitter.CodeBuilder.AddStatement(new ReturnStatement(new LiteralExpression(1)));16 var method = emitter.GetMethod();17 Console.WriteLine(method.Invoke(null, null));18 }19 }20}21using System;22using System.Reflection;23using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;24using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;25using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.CodeBuilders.SimpleAST;26using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.CodeBuilders;27using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;28using Telerik.JustMock.Core.Castle.DynamicProxy;29{30 {31 public static void Main(string[] args)32 {33 var emitter = new MethodEmitter(null, null, null, null);34 emitter.CodeBuilder.AddStatement(new ReturnStatement(new LiteralExpression(1)));35 var method = emitter.GetMethod();36 Console.WriteLine(method.Invoke(null, null));37 }38 }39}40using System;41using System.Reflection;42using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;43using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock.Core;7using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;8using Telerik.JustMock.Helpers;9using Telerik.JustMock;10{11 {12 static void Main(string[] args)13 {14 var emitter = new MethodEmitter(Mock.Create<MethodBuilder>(), Mock.Create<ILGenerator>(), Mock.Create<MethodBase>(), Mock.Create<Type>());15 emitter.SetReturnType(typeof(string));16 }17 }18}

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;7using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;8using Telerik.JustMock.Core.Context;9using Telerik.JustMock.Core.Proxy;10using Telerik.JustMock.Expectations.Abstraction;11{12 {13 static void Main(string[] args)14 {15 Mock.Create<ITest>();16 var method = MockingContext.CurrentRepository.GetMockedType(typeof(ITest)).GetMethods().First();17 var methodEmitter = new MethodEmitter(method, MockingContext.CurrentRepository, MockingContext.CurrentRepository.GetMockedType(typeof(ITest)));18 methodEmitter.SetReturnType(typeof(int));19 var methodBody = methodEmitter.GetBody();20 var returnStatement = methodBody.Statements.First() as ReturnStatement;21 returnStatement.Expression = new LiteralExpression(1);22 var proxy = MockingContext.CurrentRepository.GetProxy(method.DeclaringType);23 var result = proxy.Test();24 Console.WriteLine(result);25 Console.ReadLine();26 }27 }28 {29 int Test();30 }31}

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Reflection;3using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;4using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;5{6 {7 static void Main(string[] args)8 {9 var method = typeof(JustMockUnitTest.Program).GetMethod("TestMethod");10 var emitter = new MethodEmitter(null, method);11 emitter.SetReturnType(typeof(void));12 }13 public void TestMethod()14 {15 }16 }17}

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Reflection;3using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;4using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;5{6 {7 public static void Main()8 {9 MethodEmitter emitter = new MethodEmitter(null, null, null, null, null, null);10 emitter.SetReturnType(typeof(string));11 Console.WriteLine(emitter.ReturnType);12 }13 }14}

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Reflection;3using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;4{5 {6 public void Method1()7 {8 MethodEmitter method = new MethodEmitter(null, null, null, null, null);9 method.SetReturnType(typeof(void));10 }11 }12}13using System;14using System.Reflection;15using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;16{17 {18 public void Method1()19 {20 MethodReference method = new MethodReference(null, null, typeof(void), null);21 method.SetReturnType(typeof(void));22 }23 }24}25using System;26using System.Reflection;27using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;28{29 {30 public void Method1()31 {32 MethodInvocationExpression method = new MethodInvocationExpression(null, null, null);33 method.SetReturnType(typeof(void));34 }35 }36}37using System;38using System.Reflection;39using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;40{41 {42 public void Method1()43 {44 MethodInvocationExpression method = new MethodInvocationExpression(null, null, null);45 method.SetReturnType(typeof(void));46 }47 }48}

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using Telerik.JustMock.Core;3{4 {5 public void Method1()6 {7 Console.WriteLine("Method1");8 }9 }10 {11 void Method1();12 }13 {14 static void Main(string[] args)15 {16 var mock = Mock.Create<IInterface1>();17 Mock.Arrange(() => mock.Method1()).DoInstead(() => Console.WriteLine("Method1")).SetReturnType(typeof(void));18 mock.Method1();19 }20 }21}22using System;23using Telerik.JustMock.Core;24{25 {

Full Screen

Full Screen

SetReturnType

Using AI Code Generation

copy

Full Screen

1using System;2using System.Reflection;3using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;4{5 {6 public void Method1()7 {8 MethodEmitter method = new MethodEmitter(null, null, null, null, null);9 method.SetReturnType(typeof(void));10 }11 }12}13using System;14using System.Reflection;15using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;16{17 {18 public void Method1()19 {20 MethodReference method = new MethodReference(null, null, typeof(void), null);21 method.SetReturnType(typeof(void));22 }23 }24}25using System;26using System.Reflection;27using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;28{29 {30 public void Method1()31 {32 MethodInvocationExpression method = new MethodInvocationExpression(null, null, null);33 method.SetReturnType(typeof(void));34 }35 }36}37using System;38using System.Reflection;39using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;40{41 {42 public void Method1()43 {44 MethodInvocationExpression method = new MethodInvocationExpression(null, null, null);45 method.SetReturnType(typeof(void));46 }47 }48}

Full Screen

Full Screen

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.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run JustMockLite automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful