[Mono-list] I think that this is a bug.

[Dietmar Maurer]

Hi Daniel,

I have tested that code with the newest CVS version of mono and it runs
without problems here, so maybe you only need to update mono.

- Dietmar

On Sun, 2002-03-31 at 09:54, Daniel Carrera wrote:
> I found a very strange behaviour in Mono.  When I make a class containing
> a string variable, I can concatenate that string fine.  However, when the
> class *also* has a double variable, the concatenation fails.
> 
> Consider the following code:
> 
> ------------------------------------------------
>  1 class Money {
>  2	private double Amount;
>  3	private string Currency;
>  4
>  5	//public Money(double amount,string currency) {
>  6	public Money(string currency) {
>  7		//Amount   = amount;
>  8		Currency = currency;
>  9	}
> 10	public string getCurrency() {
> 11		return Currency;
> 12	}
> 13 }
> 14
> 15 class TestMoney {
> 16
> 17	public static void Main() {
> 18		//Money m = new Money(200,"CAD");
> 19		Money m = new Money("CAD");
> 20		System.Console.WriteLine("Currency:  " + m.getCurrency());
> 21	}
> 22 }
> ------------------------------------
> 
> This runs fine.  However, the following does not:
> 
> ------------------------------------
>  1 class Money {
>  2	private double Amount;
>  3	private string Currency;
>  4
>  5	public Money(double amount,string currency) {
>  6	//public Money(string currency) {
>  7		Amount   = amount;
>  8		Currency = currency;
>  9	}
> 10	public string getCurrency() {
> 11		return Currency;
> 12	}
> 13 }
> 14
> 15 class TestMoney {
> 16
> 17	public static void Main() {
> 18		Money m = new Money(200,"CAD");
> 19		//Money m = new Money("CAD");
> 20		System.Console.WriteLine("Currency:  " + m.getCurrency());
> 21	}
> 22 }
> ------------------------------------
> 
> Notice, what I've done is I've commented lines 6 and 19 and I've
> uncommented 5, 7 and 18.
> 
> Now I get the error:
> 
> prompt$ mono ConcatTest.exe
> 
> (process:6309): ** WARNING **: unhandled exception
> System.OverflowException: "Number overflow"
> in System.String:.ctor ()
> in System.String:Concat ()
> in .TestMoney:Main ()
> 
> 
> 
> The same error occurs if "Ammount" is a float instead of a double.
> The error *does not* occur if "Ammount" is an int.
> 
> 
> I hope that someone can make sense out of this.
> 
> Daniel.
> 
> 
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