From 5aec71241c874a2249c14025a7df1eddc1c14654 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Wed, 24 Sep 2008 03:45:46 +0000
Subject: Added a getSubStr function to Bu::FString, and more tests to the
 fstring unit test.

---
 src/fstring.h        | 18 ++++++++++++++++++
 src/unit/fstring.cpp | 21 +++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/src/fstring.h b/src/fstring.h
index b4cae3a..620b312 100644
--- a/src/fstring.h
+++ b/src/fstring.h
@@ -390,6 +390,24 @@ namespace Bu
 			return pFirst->pData;
 		}
 
+		MyType getSubStr( long iStart, long iSize=-1 ) const
+		{
+			if( iStart < 0 )
+				iStart = 0;
+			if( iStart >= nLength )
+				return "";
+			if( iSize < 0 )
+				iSize = nLength;
+			if( iStart+iSize > nLength )
+				iSize = nLength-iStart;
+			if( iSize == 0 )
+				return "";
+
+			flatten();
+			MyType ret( pFirst->pData+iStart, iSize );
+			return ret;
+		}
+
 		/**
 		 * (std::string compatability) Get a pointer to the string array.
 		 *@returns (chr *) The string data.
diff --git a/src/unit/fstring.cpp b/src/unit/fstring.cpp
index ea3342a..7be03a7 100644
--- a/src/unit/fstring.cpp
+++ b/src/unit/fstring.cpp
@@ -24,6 +24,8 @@ public:
 		addTest( Unit::add2 );
 		addTest( Unit::add3 );
 		addTest( Unit::add4 );
+		addTest( Unit::add5 );
+		addTest( Unit::subStr1 );
 	}
 
 	virtual ~Unit()
@@ -128,6 +130,25 @@ public:
 
 		unitTest( c == "hi there, yeah!" );
 	}
+
+	void add5()
+	{
+		Bu::FString b;
+		Bu::FString c = "sup?";
+		b += "hey, " + c;
+		
+		unitTest( b == "hey, sup?" );
+	}
+
+	void subStr1()
+	{
+		Bu::FString a("abcdefghijklmnop");
+		unitTest( a.getSubStr( 5, 3 ) == "fgh" );
+		unitTest( a.getSubStr( 10 ) == "klmnop" );
+		unitTest( a.getSubStr( 40 ) == "" );
+		unitTest( a.getSubStr( -10 ) == "abcdefghijklmnop" );
+		unitTest( a.getSubStr( -15, 4 ) == "abcd" );
+	}
 };
 
 int main( int argc, char *argv[] )
-- 
cgit v1.2.3