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

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


Source:MockingUtil.PrivateMethods.cs Github


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...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...

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Source:MockingUtils.MethodBodyDisassembler.cs Github


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...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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