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How to use Instruction class of Telerik.JustMock.Core package

Best JustMockLite code snippet using Telerik.JustMock.Core.Instruction

MockingUtil.PrivateMethods.cs

Source:MockingUtil.PrivateMethods.cs

...312                }313                string expectedName = String.Format("<{0}>g__{1}|", string.IsNullOrEmpty(originalMethodName) ? method.Name : originalMethodName, localMemberName);314                MethodBody body = method.GetMethodBody();315                var disasembledBody = MethodBodyDisassembler.DisassembleMethodInfo(method);316                var callInstructions = disasembledBody.Where(instr => instr.OpCode == System.Reflection.Emit.OpCodes.Call).ToArray();317                foreach (var instruction in callInstructions)318                {319                    MethodBase methodBase = null;320                    try321                    {322                        methodBase = type.Module.ResolveMethod(instruction.Operand.Int);323                    }324                    catch (Exception)325                    {326                        //The exception is captured when the metadata token refers generic method.327                        //Do not handle the exception since there is no way to know in advance if the metadata token refers non-generic or generic method.328                    }329                    if (methodBase == null && localFunctionGenericTypes != null)330                    {331                        try...

MockingUtils.MethodBodyDisassembler.cs

Source:MockingUtils.MethodBodyDisassembler.cs

...40			public double Double;41			[FieldOffset(0)]42			public long Long;43		}44		internal class Instruction45		{46			public readonly OpCode OpCode;47			public readonly int OperandSize;48			private readonly Operand? operand;49			public readonly Module Module;50			public Operand Operand51			{52				get { return operand.Value; }53			}54			public int Length { get { return OpCode.Size + OperandSize; } }55			internal Instruction(OpCode opCode, int operandSize, Operand? operand, Module module)56			{57				this.OpCode = opCode;58				this.OperandSize = operandSize;59				this.operand = operand;60				Module = module;61			}62		}63		internal class MethodBodyDisassembler64		{65			private static readonly HashSet<int> prefixes = new HashSet<int>66			{67				OpCodes.Prefix1.Value,68				OpCodes.Prefix2.Value,69				OpCodes.Prefix3.Value,70				OpCodes.Prefix4.Value,71				OpCodes.Prefix5.Value,72				OpCodes.Prefix6.Value,73				OpCodes.Prefix7.Value,74			};75			private static readonly Dictionary<short, OpCode> opCodeMap = new Dictionary<short, OpCode>();76			static MethodBodyDisassembler()77			{78				var opcodes = typeof(OpCodes).GetFields(BindingFlags.Public | BindingFlags.Static)79					.Where(field => field.FieldType == typeof(OpCode));80				foreach (var opcodeField in opcodes)81				{82					var opcode = (OpCode)opcodeField.GetValue(null);83					opCodeMap.Add(opcode.Value, opcode);84				}85			}86			public static IEnumerable<Instruction> DisassembleMethodInfo(MethodBase method)87			{88				var body = method.GetMethodBody();89				if (body != null)90				{91					var il = body.GetILAsByteArray();92					for (int i = 0; i < il.Length;)93					{94						int baseIdx = i;95						int code1 = il[i++];96						var code = (short)(prefixes.Contains(code1) ? (code1 << 8) | il[i++] : code1);97						var opcode = opCodeMap[code];98						int operandSize;99						bool validOperand = true;100						var operand = default(Operand);101						switch (opcode.OperandType)102						{103							case OperandType.InlineBrTarget:104							case OperandType.InlineField:105							case OperandType.InlineI:106							case OperandType.InlineMethod:107							case OperandType.InlineSig:108							case OperandType.InlineString:109							case OperandType.InlineTok:110							case OperandType.InlineType:111							case OperandType.ShortInlineR:112								operand.Int = BitConverter.ToInt32(il, i);113								operandSize = 4;114								break;115							case OperandType.InlineI8:116							case OperandType.InlineR:117								operand.Long = BitConverter.ToInt64(il, i);118								operandSize = 8;119								break;120							case OperandType.InlineNone:121								validOperand = false;122								operandSize = 0;123								break;124							case OperandType.InlineVar:125								operand.Short = BitConverter.ToInt16(il, i);126								operandSize = 2;127								break;128							case OperandType.ShortInlineBrTarget:129							case OperandType.ShortInlineI:130							case OperandType.ShortInlineVar:131								operand.Byte = il[i];132								operandSize = 1;133								break;134							case OperandType.InlineSwitch:135								var branchCount = BitConverter.ToInt32(il, i);136								operandSize = 4 + 4 * branchCount;137								validOperand = false;138								break;139							default:140								throw new ArgumentOutOfRangeException();141						}142						i += operandSize;143						var instrBuffer = il.Skip(baseIdx).Take(i - baseIdx).ToArray();144						yield return new Instruction(opcode, operandSize, validOperand ? (Operand?)operand : null, method.Module);145					}146				}147			}148		}149	}150}...

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