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Examples of errors detected by the V300…

Examples of errors detected by the V3002 diagnostic

V3002. The switch statement does not cover all values of the enum.


SharpDevelop

V3002 The switch statement does not cover all values of the 'TargetArchitecture' enum: ARMv7. ImageWriter.cs 209


public enum TargetArchitecture {
  I386,
  AMD64,
  IA64,
  ARMv7,
}

ushort GetMachine ()
{
  switch (module.Architecture) {
  case TargetArchitecture.I386:
    return 0x014c;
  case TargetArchitecture.AMD64:
    return 0x8664;
  case TargetArchitecture.IA64:
    return 0x0200;
  }
  throw new NotSupportedException ();
}

Microsoft Code Contracts

V3002 The switch statement does not cover all values of the 'UnaryOperator' enum: Conv_dec. WeakestPreconditionProver.csToSMT2.cs 453


public enum UnaryOperator
{
  ....
  Conv_u8,
  Conv_r_un,
  Neg,
  Not,
  WritableBytes,
  Conv_dec,      // <=
}

private string Combine(UnaryOperator unaryOperator, string arg)
{
  Contract.Requires(arg != null);

  var format = "({0} {1})";
  string op = null;

  switch (unaryOperator)
  {
    case UnaryOperator.Neg:
    case UnaryOperator.Not:
    case UnaryOperator.Not:
      {
        op = "not";
      }
      break;

    case UnaryOperator.WritableBytes:
    case UnaryOperator.Conv_i:
    case UnaryOperator.Conv_i1:
    case UnaryOperator.Conv_i2:
    case UnaryOperator.Conv_i4:
    case UnaryOperator.Conv_i8:
    case UnaryOperator.Conv_r_un:
    case UnaryOperator.Conv_r4:
    case UnaryOperator.Conv_r8:
    case UnaryOperator.Conv_u:
    case UnaryOperator.Conv_u1:
    case UnaryOperator.Conv_u2:
    case UnaryOperator.Conv_u4:
    case UnaryOperator.Conv_u8:
      {
        return null;
     }
  }

  return string.Format(format, op, arg);
}

Orchard CMS

V3002 The switch statement does not cover all values of the 'TypeCode' enum: Byte. InfosetFieldIndexingHandler.cs 65


public enum TypeCode
{
  Empty = 0,
  Object = 1,
  DBNull = 2,
  Boolean = 3,
  Char = 4,
  SByte = 5,
  Byte = 6,
  Int16 = 7,
  UInt16 = 8,
  Int32 = 9,
  UInt32 = 10,
  Int64 = 11,
  UInt64 = 12,
  Single = 13,
  Double = 14,
  Decimal = 15,
  DateTime = 16,
  String = 18
}

public InfosetFieldIndexingHandler(....)
{
  ....
  var typeCode = Type.GetTypeCode(t);
  switch (typeCode) {
    case TypeCode.Empty:
    case TypeCode.Object:
    case TypeCode.DBNull:
    case TypeCode.String:
    case TypeCode.Char:
      ....
      break;
    case TypeCode.Boolean:
      ....
      break;
    case TypeCode.SByte:
    case TypeCode.Int16:
    case TypeCode.UInt16:
    case TypeCode.Int32:
    case TypeCode.UInt32:
    case TypeCode.Int64:
    case TypeCode.UInt64:
      ....
      break;
    case TypeCode.Single:
    case TypeCode.Double:
    case TypeCode.Decimal:
      ....
      break;
    case TypeCode.DateTime:
      ....
      break;
  }
}

QuantConnect Lean

V3002 The switch statement does not cover all values of the 'TradingDayType' enum: EconomicEvent. TradingCalendar.cs 79


public IEnumerable<TradingDay> GetDaysByType(TradingDayType type,
                                             DateTime start,
                                             DateTime end)
{
  Func<TradingDay, bool> typeFilter = day =>
  {
    switch (type)        // <=
    {
      case TradingDayType.BusinessDay:
        return day.BusinessDay;
      case TradingDayType.PublicHoliday:
        return day.PublicHoliday;
      case TradingDayType.Weekend:
        return day.Weekend;
      case TradingDayType.OptionExpiration:
        return day.OptionExpirations.Any();
      case TradingDayType.FutureExpiration:
        return day.FutureExpirations.Any();
      case TradingDayType.FutureRoll:
        return day.FutureRolls.Any();
      case TradingDayType.SymbolDelisting:
        return day.SymbolDelistings.Any();
      case TradingDayType.EquityDividends:
        return day.EquityDividends.Any();
    };
    return false;
  };
  return GetTradingDays(start, end).Where(typeFilter);
}

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