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How to use PreserveRefOutValuesBehavior class of Telerik.JustMock.Core.Behaviors package

Best JustMockLite code snippet using Telerik.JustMock.Core.Behaviors.PreserveRefOutValuesBehavior

MocksRepository.cs

Source:MocksRepository.cs

...840        private HashSet<IMethodMock> CountMethodMockInvocations(CallPattern callPattern, Args args, out int callsCount)841        {842            if (callPattern.IsDerivedFromObjectEquals)843                throw new MockException("Cannot assert calls to methods derived from Object.Equals");844            PreserveRefOutValuesBehavior.ReplaceRefOutArgsWithAnyMatcher(callPattern);845            if (args != null)846            {847                if (args.Filter != null)848                {849                    if (args.IsIgnored == null)850                    {851                        args.IsIgnored = true;852                    }853                    if (!callPattern.Method.IsStatic854                        && args.IsInstanceIgnored == null855                        && args.Filter.Method.GetParameters().Length == callPattern.Method.GetParameters().Length + 1)856                    {857                        args.IsInstanceIgnored = true;858                    }859                }860                if (args.IsIgnored == true)861                {862                    for (int i = 0; i < callPattern.ArgumentMatchers.Count; i++)863                        callPattern.ArgumentMatchers[i] = new AnyMatcher();864                }865                if (args.IsInstanceIgnored == true)866                {867                    callPattern.InstanceMatcher = new AnyMatcher();868                }869                callPattern.Filter = args.Filter;870            }871            MethodInfoMatcherTreeNode root;872            callsCount = 0;873            var mocks = new HashSet<IMethodMock>();874            var method = callPattern.Method;875            if (invocationTreeRoots.TryGetValue(method, out root))876            {877                var occurences = root.GetOccurences(callPattern);878                callsCount = occurences.Select(x => x.Calls).Sum();879                foreach (var mock in occurences.SelectMany(x => x.Mocks))880                {881                    mocks.Add(mock);882                }883            }884            return mocks;885        }886        private void AssertForCallPattern(CallPattern callPattern, Args args, Occurs occurs)887        {888            int callsCount;889            var mocks = CountMethodMockInvocations(callPattern, args, out callsCount);890            if (occurs != null)891            {892                InvocationOccurrenceBehavior.Assert(occurs.LowerBound, occurs.UpperBound, callsCount, null, null);893            }894            if (mocks.Count == 0)895            {896                MethodInfoMatcherTreeNode funcRoot;897                if (arrangementTreeRoots.TryGetValue(callPattern.Method, out funcRoot))898                {899                    var arranges = funcRoot.GetAllMethodMocks(callPattern);900                    foreach (var arrange in arranges)901                    {902                        mocks.Add(arrange.MethodMock);903                    }904                }905            }906            if (occurs == null && mocks.Count == 0)907            {908                InvocationOccurrenceBehavior.Assert(Occurs.AtLeastOnce().LowerBound, Occurs.AtLeastOnce().UpperBound, callsCount, null, null);909            }910            else911            {912                AssertBehaviorsForMocks(mocks, occurs != null);913            }914        }915        internal MethodBase GetMethodFromCallPattern(CallPattern callPattern)916        {917            var method = callPattern.Method as MethodInfo;918            if (method == null || !method.IsVirtual)919                return callPattern.Method;920            method = method.NormalizeComInterfaceMethod();921            var valueMatcher = callPattern.InstanceMatcher as IValueMatcher;922            if (valueMatcher != null && valueMatcher.Value != null)923            {924                var valueType = valueMatcher.Value.GetType();925                var mockMixin = GetMockMixin(valueMatcher.Value, null);926                var type = mockMixin != null ? mockMixin.DeclaringType : valueType;927                if (!type.IsInterface && method.DeclaringType.IsAssignableFrom(type))928                {929                    var concreteMethod = MockingUtil.GetConcreteImplementer(method, type);930                    if (!concreteMethod.IsInheritable() && !ProfilerInterceptor.IsProfilerAttached)931                    {932                        var reimplementedInterfaceMethod = (MethodInfo)method.GetInheritanceChain().Last();933                        if (reimplementedInterfaceMethod.DeclaringType.IsInterface934                            && mockFactory.IsAccessible(reimplementedInterfaceMethod.DeclaringType))935                        {936                            concreteMethod = reimplementedInterfaceMethod;937                        }938                    }939                    method = concreteMethod;940                }941            }942            if (method.DeclaringType != method.ReflectedType)943                method = (MethodInfo)MethodBase.GetMethodFromHandle(method.MethodHandle, method.DeclaringType.TypeHandle);944            return method;945        }946        /// <summary>947        /// Converts the given object to a matcher as follows. This method is most useful for948        /// creating a matcher out of an argument expression.949        /// 950        /// It works as follows:951        /// If the object is not an expression, then a value matcher for that object is returned.952        /// If the object is an expression then:953        /// * if the top of the expression is a method call expression and the member954        ///     has the ArgMatcherAttribute then the specific matcher type is instantiaded955        ///     with the parameters passed to the method call expression and returned.956        ///     If the matcher type is generic, then it is defined with the type of the expression.957        /// * if the top expression is a member or method call and the member958        ///     has the ArgIgnoreAttribute, then a TypeMatcher is returned959        /// * otherwise, the expression is evaluated and a ValueMatcher is returned960        /// </summary>961        /// <param name="argumentObj"></param>962        /// <returns></returns>963        internal static IMatcher CreateMatcherForArgument(object argumentObj)964        {965            var argExpr = argumentObj as Expression;966            if (argExpr == null)967            {968                return new ValueMatcher(argumentObj);969            }970            else971            {972                var argMatcher = TryCreateMatcherFromArgMember(argExpr);973                if (argMatcher != null)974                {975                    return argMatcher;976                }977                else978                {979                    //no matcher, evaluate the original expression980                    var argValue = argExpr.EvaluateExpression();981                    return new ValueMatcher(argValue);982                }983            }984        }985        internal static IMatcher TryCreateMatcherFromArgMember(Expression argExpr)986        {987            // The expression may end with a conversion which erases the type of the required matcher.988            // Remove the conversion before working with matchers989            while (argExpr.NodeType == ExpressionType.Convert)990                argExpr = ((UnaryExpression)argExpr).Operand;991            ArgMatcherAttribute argAttribute = null;992            Expression[] matcherArguments = null;993            if (argExpr is MethodCallExpression)994            {995                var methodCall = (MethodCallExpression)argExpr;996                argAttribute = (ArgMatcherAttribute)Attribute.GetCustomAttribute(methodCall.Method, typeof(ArgMatcherAttribute));997                matcherArguments = methodCall.Arguments.ToArray();998            }999            else if (argExpr is MemberExpression)1000            {1001                var memberExpr = (MemberExpression)argExpr;1002                argAttribute = (ArgMatcherAttribute)Attribute.GetCustomAttribute(memberExpr.Member, typeof(ArgMatcherAttribute));1003            }1004            if (argAttribute != null)1005            {1006                if (argAttribute.GetType() == typeof(ArgIgnoreAttribute))1007                {1008                    return new TypeMatcher(argExpr.Type);1009                }1010                else if (argAttribute.GetType() == typeof(ArgIgnoreTypeAttribute))1011                {1012                    var func = Expression.Lambda(argExpr).Compile();1013                    var funcResult = func.DynamicInvoke();1014                    return new TypeMatcher(funcResult.GetType());1015                }1016                else if (argAttribute.GetType() == typeof(RefArgAttribute) || argAttribute.GetType() == typeof(OutArgAttribute))1017                {1018                    var asMemberExpr = argExpr as MemberExpression;1019                    if (asMemberExpr != null)1020                    {1021                        argExpr = asMemberExpr.Expression;1022                    }1023                    var refCall = (MethodCallExpression)argExpr;1024                    var actualArg = refCall.Arguments[0];1025                    var memberExpr = actualArg as MemberExpression;1026                    if (memberExpr != null && typeof(Expression).IsAssignableFrom(memberExpr.Type) && memberExpr.Expression.Type.DeclaringType == typeof(ArgExpr))1027                    {1028                        actualArg = (Expression)actualArg.EvaluateExpression();1029                    }1030                    var argMatcher = CreateMatcherForArgument(actualArg);1031                    argMatcher.ProtectRefOut = argAttribute.GetType() == typeof(RefArgAttribute);1032                    return argMatcher;1033                }1034                else1035                {1036                    var matcherType = argAttribute.Matcher;1037                    var matcherArgs = argAttribute.MatcherArgs;1038                    if (matcherType.IsGenericTypeDefinition)1039                        matcherType = matcherType.MakeGenericType(argExpr.Type);1040                    if (matcherArgs == null && matcherArguments != null)1041                        matcherArgs = matcherArguments.Select(matcherArgExpr => matcherArgExpr.EvaluateExpression()).ToArray();1042                    var matcher = (IMatcher)MockingUtil.CreateInstance(matcherType, matcherArgs);1043                    return matcher;1044                }1045            }1046            else1047            {1048                return null;1049            }1050        }1051        private void AddArrange(IMethodMock methodMock)1052        {1053            var method = methodMock.CallPattern.Method;1054            if (methodMock.CallPattern.IsDerivedFromObjectEquals && method.ReflectedType.IsValueType())1055                throw new MockException("Cannot mock Equals method because JustMock depends on it. Also, when Equals is called internally by JustMock, all methods called by it will not be intercepted and will have only their original implementations called.");1056            CheckMethodInterceptorAvailable(methodMock.CallPattern.InstanceMatcher, method);1057            Type declaringType = method.DeclaringType;1058            // If we're arranging a call to a mock object, overwrite its repository.1059            // This will ensure correct behavior when a mock object is arranged1060            // in multiple contexts.1061            var refMatcher = methodMock.CallPattern.InstanceMatcher as ReferenceMatcher;1062            if (refMatcher != null)1063            {1064                var value = refMatcher.Value;1065                var mock = GetMockMixin(value, declaringType);1066                if (mock != null)1067                {1068                    methodMock.Mock = mock;1069                    mock.Repository = this;1070                }1071                if (value != null)1072                    EnableInterception(value.GetType());1073            }1074            EnableInterception(declaringType);1075            PreserveRefOutValuesBehavior.Attach(methodMock);1076            ConstructorMockBehavior.Attach(methodMock);1077            MethodInfoMatcherTreeNode funcRoot;1078            if (!arrangementTreeRoots.TryGetValue(method, out funcRoot))1079            {1080                funcRoot = new MethodInfoMatcherTreeNode(method);1081                arrangementTreeRoots.Add(method, funcRoot);1082            }1083            funcRoot.AddChild(methodMock.CallPattern, methodMock, this.sharedContext.GetNextArrangeId());1084#if !PORTABLE1085            if (ProfilerInterceptor.IsReJitEnabled)1086            {1087                CallPattern.CheckMethodCompatibility(method);1088                CallPattern.CheckInstrumentationAvailability(method);1089                ProfilerInterceptor.RequestReJit(method);...

PreserveRefOutValuesBehavior.cs

Source:PreserveRefOutValuesBehavior.cs

...17using System.Reflection;18using Telerik.JustMock.Core.MatcherTree;19namespace Telerik.JustMock.Core.Behaviors20{21	internal class PreserveRefOutValuesBehavior : IBehavior22	{23		private readonly Dictionary<int, object> values = new Dictionary<int, object>();24		public PreserveRefOutValuesBehavior(IMethodMock methodMock)25		{26			var argMatchers = methodMock.CallPattern.ArgumentMatchers;27			var method = methodMock.CallPattern.Method;28			var parameters = GetParameters(method);29			var offsetDueToExtensionMethod = method.IsExtensionMethod() ? 1 : 0;30			for (int i = 0; i < parameters.Length; ++i)31			{32				if (!parameters[i].ParameterType.IsByRef || argMatchers[i].ProtectRefOut)33					continue;34				var matcher = argMatchers[i] as IValueMatcher;35				if (matcher == null)36					continue;37				var value = matcher.Value;38				values.Add(i + offsetDueToExtensionMethod, value);39			}40		}41		public void Process(Invocation invocation)42		{43			foreach (var kvp in this.values)44			{45				invocation.Args[kvp.Key] = kvp.Value;46			}47		}48		public static void Attach(IMethodMock methodMock)49		{50			var behavior = new PreserveRefOutValuesBehavior(methodMock);51			var madeReplacements = ReplaceRefOutArgsWithAnyMatcher(methodMock.CallPattern);52			if (madeReplacements)53				methodMock.Behaviors.Add(behavior);54		}55		public static bool ReplaceRefOutArgsWithAnyMatcher(CallPattern callPattern)56		{57			bool madeReplacements = false;58			var parameters = GetParameters(callPattern.Method);59			for (int i = 0; i < parameters.Length; ++i)60			{61				if (parameters[i].ParameterType.IsByRef && !callPattern.ArgumentMatchers[i].ProtectRefOut)62				{63					callPattern.ArgumentMatchers[i] = new AnyMatcher();64					madeReplacements = true;...

PreserveRefOutValuesBehavior

Using AI Code Generation

1using Telerik.JustMock.Core;2using Telerik.JustMock.Core.Behaviors;3using Telerik.JustMock.Helpers;4{5    {6        public static void Main(string[] args)7        {8            var mock = Mock.Create<IFoo>();9            int value = 0;10            Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out value)).Returns(true).DoInstead((int i, out int v) => v = i + 1).PreserveRefOutValues();11            bool result = mock.DoSomething(1, out value);12            Console.WriteLine(result);13            Console.WriteLine(value);14        }15    }16    {17        bool DoSomething(int i, out int v);18    }19}

PreserveRefOutValuesBehavior

Using AI Code Generation

1using Telerik.JustMock.Core.Behaviors;2using Telerik.JustMock;3public void TestMethod1()4{5    var mock = Mock.Create<IFoo>();6    Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out Arg.Ref<int>.IsAny)).DoNothing().MustBeCalled();7    Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out Arg.Ref<int>.IsAny)).DoNothing().MustBeCalled().SetBehavior(PreserveRefOutValuesBehavior.Instance);8    int value = 0;9    mock.DoSomething(1, out value);10    Assert.AreEqual(1, value);11}

PreserveRefOutValuesBehavior

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Core.Behaviors;3{4    {5        public int Method1(int x, out int y)6        {7            y = 0;8            return x;9        }10    }11    {12        public int Method1(int x, out int y)13        {14            y = 0;15            return x;16        }17    }18}19using Telerik.JustMock;20using Telerik.JustMock.Core.Behaviors;21{22    {23        public int Method1(int x, out int y)24        {25            y = 0;26            return x;27        }28    }29    {30        public int Method1(int x, out int y)31        {32            y = 0;33            return x;34        }35    }36}37using Telerik.JustMock;38using Telerik.JustMock.Core.Behaviors;39{40    {41        public int Method1(int x, out int y)42        {43            y = 0;44            return x;45        }46    }47    {48        public int Method1(int x, out int y)49        {50            y = 0;51            return x;52        }53    }54}55using Telerik.JustMock;56using Telerik.JustMock.Core.Behaviors;57{58    {59        public int Method1(int x, out int y)60        {61            y = 0;62            return x;63        }64    }65    {66        public int Method1(int x, out int y)67        {68            y = 0;69            return x;70        }71    }72}

PreserveRefOutValuesBehavior

Using AI Code Generation

1{2    {3        public static void Main()4        {5            var preserveRefOutValuesBehavior = new PreserveRefOutValuesBehavior();6            var mock = Mock.Create<IFoo>(Behavior.CallOriginal, preserveRefOutValuesBehavior);7            var result = mock.GetResult(1, out var value);8            Mock.Assert(() => mock.GetResult(1, out value), Occurs.Once());9        }10    }11    {12        int GetResult(int value, out int value2);13    }14}15{16    {17        public static void Main()18        {19            var setRefValueBehavior = new SetRefValueBehavior();20            var mock = Mock.Create<IFoo>(Behavior.CallOriginal, setRefValueBehavior);21            var result = mock.GetResult(1, out var value);22            Mock.Assert(() => mock.GetResult(1, out value), Occurs.Once());23        }24    }25    {26        int GetResult(int value, out

PreserveRefOutValuesBehavior

Using AI Code Generation

1using Telerik.JustMock.Core.Behaviors;2public void TestMethod1()3{4    var mock = Mock.Create<IFoo>();5    Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out Arg.Ref(1).Value)).DoInstead((int i, ref int j) => j = 2).MustBeCalled();6    Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out Arg.Ref(1).Value)).CallOriginal().WithBehavior(new PreserveRefOutValuesBehavior());7    int j;8    mock.DoSomething(1, out j);9    Assert.AreEqual(2, j);10}11using Telerik.JustMock.Core.Behaviors;12public void TestMethod1()13{14    var mock = Mock.Create<IFoo>();15    Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out Arg.Ref(1).Value)).DoInstead((int i, ref int j) => j = 2).MustBeCalled();16    Mock.Arrange(() => mock.DoSomething(Arg.IsAny<int>(), out Arg.Ref(1).Value)).CallOriginal().WithBehavior(new PreserveRefOutValuesBehavior());17    int j;18    mock.DoSomething(1, out j);19    Assert.AreEqual(2, j);20}

PreserveRefOutValuesBehavior

Using AI Code Generation

1public void TestMethod1()2{3    var mock = Mock.Create<TestClass>();4    var behavior = new PreserveRefOutValuesBehavior();5    Mock.Arrange(() => mock.Method(Arg.IsAny<int>(), Arg.IsAny<string>(), Arg.IsAny<bool>())).DoInstead((int i, string s, bool b) => { i = 1; s = "a"; b = true; }).DoInstead(behavior);6    mock.Method(0, "b", false);7    Assert.AreEqual(1, behavior.OutValues[0]);8    Assert.AreEqual("a", behavior.OutValues[1]);9    Assert.AreEqual(true, behavior.OutValues[2]);10}11{12    public List<object> OutValues { get; set; }13    public PreserveRefOutValuesBehavior()14    {15        this.OutValues = new List<object>();16    }17    public override void Process(Invocation invocation)18    {19        invocation.Proceed();20        foreach (var arg in invocation.Arguments)21        {22            if (arg is OutArgument)23            {24                OutValues.Add(((OutArgument)arg).Value);25            }26        }27    }28}

PreserveRefOutValuesBehavior

Using AI Code Generation

1public void TestMethod1()2{3    var mock = Mock.Create<IFoo>();4    Mock.Arrange(() => mock.Bar(Arg.IsAny<int>(), out Arg.Ref<int>.IsAny))5        .DoInstead((int a, ref int b) => b = a + 1)6        .PreserveRefOutValuesBehavior();7    int value;8    mock.Bar(1, out value);9    Assert.AreEqual(2, value);10}11public void TestMethod1()12{13    var mock = Mock.Create<IFoo>();14    Mock.Arrange(() => mock.Bar(Arg.IsAny<int>(), out Arg.Ref<int>.IsAny))15        .DoInstead((int a, ref int b) => b = a + 1)16        .PreserveRefOutValuesBehavior();17    int value;18    mock.Bar(1, out value);19    Assert.AreEqual(2, value);20}21public void TestMethod1()22{23    var mock = Mock.Create<IFoo>();24    Mock.Arrange(() => mock.Bar(Arg.IsAny<int>(), out Arg.Ref<int>.IsAny))25        .DoInstead((int a, ref int b) => b = a + 1)26        .PreserveRefOutValuesBehavior();27    int value;28    mock.Bar(1, out value);29    Assert.AreEqual(2, value);30}31public void TestMethod1()32{33    var mock = Mock.Create<IFoo>();34    Mock.Arrange(() => mock.Bar(Arg.IsAny<int>(), out Arg.Ref<int>.IsAny))35        .DoInstead((int a, ref int b) => b = a + 1)36        .PreserveRefOutValuesBehavior();37    int value;38    mock.Bar(1, out value);39    Assert.AreEqual(2, value);40}41public void TestMethod1()42{

PreserveRefOutValuesBehavior

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Core;3using Telerik.JustMock.Helpers;4using Telerik.JustMock.Tests;5using Telerik.JustMock.Tests.Model;6{7    {8        public void Method1()9        {10            var mock = Mock.Create<ITestInterface>();11            Mock.Arrange(() => mock.Method1(Arg.AnyString, out Arg.Ref<string>.Ref("test").Value)).DoNothing();12            string outValue;13            mock.Method1("test", out outValue);14            Assert.AreEqual("test", outValue);15        }16    }17}18using Telerik.JustMock;19using Telerik.JustMock.Core;20using Telerik.JustMock.Helpers;21using Telerik.JustMock.Tests;22using Telerik.JustMock.Tests.Model;23{24    {25        public void Method1()26        {27            var mock = Mock.Create<ITestInterface>();28            Mock.Arrange(() => mock.Method1(Arg.AnyString, out Arg.Ref<string>.Ref("test").Value)).DoNothing();29            string outValue;30            mock.Method1("test", out outValue);31            Assert.AreEqual("test", outValue);32        }33    }34}35using Telerik.JustMock;36using Telerik.JustMock.Core;37using Telerik.JustMock.Helpers;38using Telerik.JustMock.Tests;39using Telerik.JustMock.Tests.Model;40{41    {42        public void Method1()43        {44            var mock = Mock.Create<ITestInterface>();45            Mock.Arrange(() => mock.Method1(Arg.AnyString, out Arg.Ref<string>.Ref("test").Value)).DoNothing();46            string outValue;47            mock.Method1("test", out outValue);48            Assert.AreEqual("test", outValue);49        }50    }51}52using Telerik.JustMock;53using Telerik.JustMock.Core;54using Telerik.JustMock.Helpers;55using Telerik.JustMock.Tests;56using Telerik.JustMock.Tests.Model;

PreserveRefOutValuesBehavior

Using AI Code Generation

1using Telerik.JustMock;2using Telerik.JustMock.Core.Behaviors;3{4    {5        public string Method1()6        {7            return "Method1";8        }9    }10}11using Telerik.JustMock;12using Telerik.JustMock.Core.Behaviors;13{14    {15        public string Method2()16        {17            return "Method2";18        }19    }20}21using Telerik.JustMock;22using Telerik.JustMock.Core.Behaviors;23{24    {25        public string Method3()26        {27            return "Method3";28        }29    }30}31using Telerik.JustMock;32using Telerik.JustMock.Core.Behaviors;33{34    {35        public string Method4()36        {37            return "Method4";38        }39    }40}41using Telerik.JustMock;42using Telerik.JustMock.Core.Behaviors;43{44    {45        public string Method5()46        {47            return "Method5";48        }49    }50}51using Telerik.JustMock;52using Telerik.JustMock.Core.Behaviors;53{54    {55        public string Method6()56        {57            return "Method6";58        }59    }60}61using Telerik.JustMock;62using Telerik.JustMock.Core.Behaviors;63{64    {65        public string Method7()

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