public static IEnumerable <object[]> GetTestCases(int bitness, int stackAddressSize)
        {
            var toRegister = ToEnumConverter.CloneRegisterDict();

            switch (stackAddressSize)
            {
            case 16:
                toRegister.Add(MiscInstrInfoTestConstants.XSP, Register.SP);
                toRegister.Add(MiscInstrInfoTestConstants.XBP, Register.BP);
                break;

            case 32:
                toRegister.Add(MiscInstrInfoTestConstants.XSP, Register.ESP);
                toRegister.Add(MiscInstrInfoTestConstants.XBP, Register.EBP);
                break;

            case 64:
                toRegister.Add(MiscInstrInfoTestConstants.XSP, Register.RSP);
                toRegister.Add(MiscInstrInfoTestConstants.XBP, Register.RBP);
                break;

            default:
                throw new InvalidOperationException();
            }

            for (int i = 0; i < IcedConstants.VMM_count; i++)
            {
                toRegister.Add(MiscInstrInfoTestConstants.VMM_prefix + i.ToString(), IcedConstants.VMM_first + i);
            }

            var filename = PathUtils.GetTestTextFilename($"InstructionInfoTest_{bitness}.txt", "InstructionInfo");

            Debug.Assert(File.Exists(filename));
            int lineNo = 0;

            foreach (var line in File.ReadLines(filename))
            {
                lineNo++;
                if (line.Length == 0 || line.StartsWith("#"))
                {
                    continue;
                }

                (string hexBytes, Code code, DecoderOptions options, InstructionInfoTestCase testCase)info;
                try {
                    info = ParseLine(line, bitness, toRegister);
                }
                catch (Exception ex) {
                    throw new Exception($"Invalid line {lineNo} ({filename}): {ex.Message}");
                }
                if (info.testCase is object)
                {
                    yield return new object[5] {
                               info.hexBytes, info.code, info.options, lineNo, info.testCase
                    }
                }
                ;
            }
        }