Came across this one while trying to figure out why pnet-compiled switch
statements using strings didn't work with mono's runtime. It is related to
some Qt# interoperability issues.
The following program gives -1 under Mono, even though 'a' is greater than 'A'
from an ordinal point of view (0x0061 > 0x0041). Pnet gives 1, and MS gives
32 (any positive value is acceptable as an answer).
The reason why this breaks interoperability is because pnet uses
"String.CompareOrdinal" to build a binary search tree for switch statements
that use string arguments rather than use cascading ifs on intern'ed strings
like csc and mcs.
I tested this with Mono 0.17.
---------------------------------------------
using System;
class Test
{
public static void Main()
{
Console.WriteLine("Answer should be positive: {0}",
String.CompareOrdinal("a", "A"));
}
}
---------------------------------------------
Cheers,
Rhys.
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