Fixed a crash in the FString::prepend function on a null string corner case.

Also added more tests to the FString unit tests and switched the ParamProc to
using FString instead of std::string, this will break a few programs in very
minor ways, a few seconds each to fix, I'd say.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/unit/fstring.cpp b/src/unit/fstring.cpp
index 462ce5e..2044a86 100644
--- a/src/unit/fstring.cpp
+++ b/src/unit/fstring.cpp
@@ -10,6 +10,7 @@ public:
                 addTest( Unit::compare1 );
                 addTest( Unit::compare2 );
                 addTest( Unit::appendSingle );
+                addTest( Unit::shared1 );
         }
 
         virtual ~Unit()
@@ -36,6 +37,18 @@ public:
                 for( char l = 'a'; l < 'g'; l++ )
                         b += l;
                 unitTest( b == "abcdef" );
+                unitTest( strcmp( b.getStr(), "abcdef" ) == 0 );
+        }
+
+        void shared1()
+        {
+                Bu::FString a("Hey there");
+                Bu::FString b( a );
+                unitTest( a.getStr() == b.getStr() );
+                b += " guy";
+                unitTest( a.getStr() != b.getStr() );
+                a = b;
+                unitTest( a.getStr() == b.getStr() );
         }
 };