Remove unused tests and add asserts for not implemented parts in code generation.

quick fix on christian's rational

change so that ubuntu will stop yelling

be more specific with rational declaration for Windows sake

rational in namespace correction for windows

libsolidity/codegen/CompilerUtils.cpp

@@ -343,10 +343,11 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
 	case Type::Category::Enum:
 		solAssert(targetTypeCategory == Type::Category::Integer || targetTypeCategory == Type::Category::Enum, "");
 		break;
+	case Type::Category::FixedPoint:
+		solAssert(false, "Not yet implemented - FixedPointType.");
 	case Type::Category::Integer:
 	case Type::Category::Contract:
 	case Type::Category::RationalNumber:
-	case Type::Category::FixedPoint:
 		if (targetTypeCategory == Type::Category::FixedBytes)
 		{
 			solAssert(stackTypeCategory == Type::Category::Integer || stackTypeCategory == Type::Category::RationalNumber,
@@ -375,8 +376,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
 			if (auto typeOnStack = dynamic_cast<IntegerType const*>(&_typeOnStack))
 				if (targetFixedPointType.integerBits() > typeOnStack->numBits())
 					cleanHigherOrderBits(*typeOnStack);
-			//need m_context call here
-				
+			solAssert(false, "Not yet implemented - FixedPointType.");
 		}
 		else
 		{
@@ -389,6 +389,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
 				RationalNumberType const& constType = dynamic_cast<RationalNumberType const&>(_typeOnStack);
 				// We know that the stack is clean, we only have to clean for a narrowing conversion
 				// where cleanup is forced.
+				solAssert(!constType.isFractional(), "Not yet implemented - FixedPointType.");
 				if (targetType.numBits() < constType.integerType()->numBits() && _cleanupNeeded)
 					cleanHigherOrderBits(targetType);
 			}