Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Emit method of Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST.NewArrayExpression class

Best JustMockLite code snippet using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST.NewArrayExpression.Emit

MethodWithInvocationGenerator.cs

Source:MethodWithInvocationGenerator.cs

...15{16	using System;17	using System.Diagnostics;18	using System.Reflection;19	using System.Reflection.Emit;20#if FEATURE_SERIALIZATION21	using System.Xml.Serialization;22#endif23	using Telerik.JustMock.Core.Castle.Core.Internal;24	using Telerik.JustMock.Core.Castle.DynamicProxy.Contributors;25	using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;26	using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;27	using Telerik.JustMock.Core.Castle.DynamicProxy.Internal;28	using Telerik.JustMock.Core.Castle.DynamicProxy.Tokens;29	internal class MethodWithInvocationGenerator : MethodGenerator30	{31		private readonly IInvocationCreationContributor contributor;32		private readonly GetTargetExpressionDelegate getTargetExpression;33		private readonly GetTargetExpressionDelegate getTargetTypeExpression;34		private readonly Reference interceptors;35		private readonly Type invocation;36		public MethodWithInvocationGenerator(MetaMethod method, Reference interceptors, Type invocation,37		                                     GetTargetExpressionDelegate getTargetExpression,38		                                     OverrideMethodDelegate createMethod, IInvocationCreationContributor contributor)39			: this(method, interceptors, invocation, getTargetExpression, null, createMethod, contributor)40		{41		}42		public MethodWithInvocationGenerator(MetaMethod method, Reference interceptors, Type invocation,43		                                     GetTargetExpressionDelegate getTargetExpression,44		                                     GetTargetExpressionDelegate getTargetTypeExpression,45		                                     OverrideMethodDelegate createMethod, IInvocationCreationContributor contributor)46			: base(method, createMethod)47		{48			this.invocation = invocation;49			this.getTargetExpression = getTargetExpression;50			this.getTargetTypeExpression = getTargetTypeExpression;51			this.interceptors = interceptors;52			this.contributor = contributor;53		}54		protected FieldReference BuildMethodInterceptorsField(ClassEmitter @class, MethodInfo method, INamingScope namingScope)55		{56			var methodInterceptors = @class.CreateField(57				namingScope.GetUniqueName(string.Format("interceptors_{0}", method.Name)),58				typeof(IInterceptor[]),59				false);60#if FEATURE_SERIALIZATION61			@class.DefineCustomAttributeFor<XmlIgnoreAttribute>(methodInterceptors);62#endif63			return methodInterceptors;64		}65		protected override MethodEmitter BuildProxiedMethodBody(MethodEmitter emitter, ClassEmitter @class, ProxyGenerationOptions options, INamingScope namingScope)66		{67			var invocationType = invocation;68			Trace.Assert(MethodToOverride.IsGenericMethod == invocationType.GetTypeInfo().IsGenericTypeDefinition);69			var genericArguments = Type.EmptyTypes;70			var constructor = invocation.GetConstructors()[0];71			Expression proxiedMethodTokenExpression;72			if (MethodToOverride.IsGenericMethod)73			{74				// bind generic method arguments to invocation's type arguments75				genericArguments = emitter.MethodBuilder.GetGenericArguments();76				invocationType = invocationType.MakeGenericType(genericArguments);77				constructor = TypeBuilder.GetConstructor(invocationType, constructor);78				// Not in the cache: generic method79				proxiedMethodTokenExpression = new MethodTokenExpression(MethodToOverride.MakeGenericMethod(genericArguments));80			}81			else82			{83				var proxiedMethodToken = @class.CreateStaticField(namingScope.GetUniqueName("token_" + MethodToOverride.Name), typeof(MethodInfo));84				@class.ClassConstructor.CodeBuilder.AddStatement(new AssignStatement(proxiedMethodToken, new MethodTokenExpression(MethodToOverride)));85				proxiedMethodTokenExpression = proxiedMethodToken.ToExpression();86			}87			var methodInterceptors = SetMethodInterceptors(@class, namingScope, emitter, proxiedMethodTokenExpression);88			var dereferencedArguments = IndirectReference.WrapIfByRef(emitter.Arguments);89			var hasByRefArguments = HasByRefArguments(emitter.Arguments);90			var arguments = GetCtorArguments(@class, proxiedMethodTokenExpression, dereferencedArguments, methodInterceptors);91			var ctorArguments = ModifyArguments(@class, arguments);92			var invocationLocal = emitter.CodeBuilder.DeclareLocal(invocationType);93			emitter.CodeBuilder.AddStatement(new AssignStatement(invocationLocal,94			                                                     new NewInstanceExpression(constructor, ctorArguments)));95			if (MethodToOverride.ContainsGenericParameters)96			{97				EmitLoadGenricMethodArguments(emitter, MethodToOverride.MakeGenericMethod(genericArguments), invocationLocal);98			}99			if (hasByRefArguments)100			{101				emitter.CodeBuilder.AddStatement(new TryStatement());102			}103			var proceed = new ExpressionStatement(new MethodInvocationExpression(invocationLocal, InvocationMethods.Proceed));104			emitter.CodeBuilder.AddStatement(proceed);105			if (hasByRefArguments)106			{107				emitter.CodeBuilder.AddStatement(new FinallyStatement());108			}109			GeneratorUtil.CopyOutAndRefParameters(dereferencedArguments, invocationLocal, MethodToOverride, emitter);110			if (hasByRefArguments)111			{112				emitter.CodeBuilder.AddStatement(new EndExceptionBlockStatement());113			}114			if (MethodToOverride.ReturnType != typeof(void))115			{116				var getRetVal = new MethodInvocationExpression(invocationLocal, InvocationMethods.GetReturnValue);117				// Emit code to ensure a value type return type is not null, otherwise the cast will cause a null-deref118				if (emitter.ReturnType.GetTypeInfo().IsValueType && !emitter.ReturnType.IsNullableType())119				{120					LocalReference returnValue = emitter.CodeBuilder.DeclareLocal(typeof(object));121					emitter.CodeBuilder.AddStatement(new AssignStatement(returnValue, getRetVal));122					emitter.CodeBuilder.AddExpression(new IfNullExpression(returnValue, new ThrowStatement(typeof(InvalidOperationException),123						"Interceptors failed to set a return value, or swallowed the exception thrown by the target")));124				}125				// Emit code to return with cast from ReturnValue126				emitter.CodeBuilder.AddStatement(new ReturnStatement(new ConvertExpression(emitter.ReturnType, getRetVal)));127			}128			else129			{130				emitter.CodeBuilder.AddStatement(new ReturnStatement());131			}132			return emitter;133		}134		private Expression SetMethodInterceptors(ClassEmitter @class, INamingScope namingScope, MethodEmitter emitter, Expression proxiedMethodTokenExpression)135		{136			var selector = @class.GetField("__selector");137			if(selector == null)138			{139				return null;140			}141			var methodInterceptorsField = BuildMethodInterceptorsField(@class, MethodToOverride, namingScope);142			Expression targetTypeExpression;143			if (getTargetTypeExpression != null)144			{145				targetTypeExpression = getTargetTypeExpression(@class, MethodToOverride);146			}147			else148			{149				targetTypeExpression = new MethodInvocationExpression(null, TypeUtilMethods.GetTypeOrNull, getTargetExpression(@class, MethodToOverride));150			}151			var emptyInterceptors = new NewArrayExpression(0, typeof(IInterceptor));152			var selectInterceptors = new MethodInvocationExpression(selector, InterceptorSelectorMethods.SelectInterceptors,153			                                                        targetTypeExpression,154			                                                        proxiedMethodTokenExpression, interceptors.ToExpression())155			{ VirtualCall = true };156			emitter.CodeBuilder.AddExpression(157				new IfNullExpression(methodInterceptorsField,158				                     new AssignStatement(methodInterceptorsField,159				                                         new NullCoalescingOperatorExpression(selectInterceptors, emptyInterceptors))));160			return methodInterceptorsField.ToExpression();161		}162		private void EmitLoadGenricMethodArguments(MethodEmitter methodEmitter, MethodInfo method, Reference invocationLocal)163		{164			var genericParameters = method.GetGenericArguments().FindAll(t => t.GetTypeInfo().IsGenericParameter);165			var genericParamsArrayLocal = methodEmitter.CodeBuilder.DeclareLocal(typeof(Type[]));166			methodEmitter.CodeBuilder.AddStatement(167				new AssignStatement(genericParamsArrayLocal, new NewArrayExpression(genericParameters.Length, typeof(Type))));168			for (var i = 0; i < genericParameters.Length; ++i)169			{170				methodEmitter.CodeBuilder.AddStatement(171					new AssignArrayStatement(genericParamsArrayLocal, i, new TypeTokenExpression(genericParameters[i])));172			}173			methodEmitter.CodeBuilder.AddExpression(174				new MethodInvocationExpression(invocationLocal,175				                               InvocationMethods.SetGenericMethodArguments,176				                               new ReferenceExpression(177					                               genericParamsArrayLocal)));178		}179		private Expression[] GetCtorArguments(ClassEmitter @class, Expression proxiedMethodTokenExpression, TypeReference[] dereferencedArguments, Expression methodInterceptors)180		{181			return new[]182			{183				getTargetExpression(@class, MethodToOverride),184				SelfReference.Self.ToExpression(),185				methodInterceptors ?? interceptors.ToExpression(),186				proxiedMethodTokenExpression,187				new ReferencesToObjectArrayExpression(dereferencedArguments)188			};189		}190		private Expression[] ModifyArguments(ClassEmitter @class, Expression[] arguments)191		{192			if (contributor == null)193			{194				return arguments;195			}196			return contributor.GetConstructorInvocationArguments(arguments, @class);197		}198		private bool HasByRefArguments(ArgumentReference[] arguments)199		{200			for (int i = 0; i < arguments.Length; i++ )201			{202				if (arguments[i].Type.GetTypeInfo().IsByRef)203				{204					return true;...

NewArrayExpression.cs

Source:NewArrayExpression.cs

...10// distributed under the License is distributed on an "AS IS" BASIS,11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12// See the License for the specific language governing permissions and13// limitations under the License.14namespace Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST15{16	using System;17	using System.Reflection.Emit;18	/// <summary>19	///   Summary description for NewArrayExpression.20	/// </summary>21	internal class NewArrayExpression : Expression22	{23		private readonly Type arrayType;24		private readonly int size;25		public NewArrayExpression(int size, Type arrayType)26		{27			this.size = size;28			this.arrayType = arrayType;29		}30		public override void Emit(IMemberEmitter member, ILGenerator gen)31		{32			gen.Emit(OpCodes.Ldc_I4, size);33			gen.Emit(OpCodes.Newarr, arrayType);34		}35	}36}...

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;7using System.Reflection.Emit;8using System.Reflection;9using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;10using Telerik.JustMock.Core.Castle.DynamicProxy;11{12    {13        static void Main(string[] args)14        {15            var moduleScope = new ModuleScope(true);16            var emitter = new ClassEmitter(moduleScope, "test", typeof(object), Type.EmptyTypes, TypeAttributes.Public | TypeAttributes.Class | TypeAttributes.Sealed);17            var arrayType = typeof(int);18            var arrayExpression = new NewArrayExpression(arrayType, new Expression[] { new LiteralExpression(10) });19            arrayExpression.Emit(emitter, null);20            var type = emitter.BuildType();21            var method = type.GetMethod("test");22            var instance = Activator.CreateInstance(type);23            method.Invoke(instance, null);24        }25    }26}

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;7using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;8{9    {10        public void Test()11        {12            var moduleScope = new ModuleScope();13            var type = moduleScope.DefineType("test", TypeAttributes.Public);14            var field = type.DefineField("field", typeof(int), FieldAttributes.Public);15            var method = type.DefineMethod("method", MethodAttributes.Public, typeof(int), new Type[0]);16            var il = method.GetILGenerator();17            var array = new NewArrayExpression(typeof(int), 2);18            array.Emit(il);19        }20    }21}

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;7using Telerik.JustMock.Core;8{9    {10        static void Main(string[] args)11        {12            NewArrayExpression newArrayExpression = new NewArrayExpression(typeof(string), 1);13            Console.WriteLine(newArrayExpression.ToString());14            Console.ReadKey();15        }16    }17}18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;24using Telerik.JustMock.Core;25{26    {27        static void Main(string[] args)28        {29            NewInstanceExpression newInstanceExpression = new NewInstanceExpression(typeof(string), new Expression[0]);30            Console.WriteLine(newInstanceExpression.ToString());31            Console.ReadKey();32        }33    }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;41using Telerik.JustMock.Core;42{43    {44        static void Main(string[] args)45        {46            NullExpression nullExpression = new NullExpression();47            Console.WriteLine(nullExpression.ToString());48            Console.ReadKey();49        }50    }51}52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;58using Telerik.JustMock.Core;59{60    {61        static void Main(string[] args)62        {63            ReturnExpression returnExpression = new ReturnExpression();64            Console.WriteLine(returnExpression.ToString

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;6{7    {8        static void Main(string[] args)9        {10            NewArrayExpression expr = new NewArrayExpression(typeof(int[]), new Expression[] { new LiteralExpression(10), new LiteralExpression(20) });11            expr.Emit(new DummyILGenerator());12        }13    }14}15using System;16using System.Collections.Generic;17using System.Linq;18using System.Text;19using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;20{21    {22        static void Main(string[] args)23        {24            NewObjectExpression expr = new NewObjectExpression(typeof(System.Collections.ArrayList), new Expression[] { });25            expr.Emit(new DummyILGenerator());26        }27    }28}29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;34{35    {36        static void Main(string[] args)37        {38            NullExpression expr = NullExpression.Instance;39            expr.Emit(new DummyILGenerator());40        }41    }42}43using System;44using System.Collections.Generic;45using System.Linq;46using System.Text;47using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;48{49    {50        static void Main(string[] args)51        {52            ReferenceExpression expr = new ReferenceExpression(typeof(int));53            expr.Emit(new DummyILGenerator());54        }55    }56}57using System;

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.