#include <string>

 #include <iterator>

 #include <vector>

 #include <algorithm>

 #include "cppunit/cppunit_proxy.h"

 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)

 using namespace std;

 #endif

 //

 // TestCase class

 //

 class TransformTest : public CPPUNIT_NS::TestCase

 {

   CPPUNIT_TEST_SUITE(TransformTest);

   CPPUNIT_TEST(trnsfrm1);

   CPPUNIT_TEST(trnsfrm2);

   CPPUNIT_TEST(self_str);

   CPPUNIT_TEST_SUITE_END();

 protected:

   void trnsfrm1();

   void trnsfrm2();

   void self_str();

   static int negate_int(int a_) {

     return -a_;

   }

   static char map_char(char a_, int b_) {

     return char(a_ + b_);

   }

   static char shift( char c ) {

     return char(((int)c + 1) % 256);

   }

 };

 CPPUNIT_TEST_SUITE_REGISTRATION(TransformTest);

 //

 // tests implementation

 //

 void TransformTest::trnsfrm1()

 {

   int numbers[6] = { -5, -1, 0, 1, 6, 11 };

   int result[6];

   transform((int*)numbers, (int*)numbers + 6, (int*)result, negate_int);

   CPPUNIT_ASSERT(result[0]==5);

   CPPUNIT_ASSERT(result[1]==1);

   CPPUNIT_ASSERT(result[2]==0);

   CPPUNIT_ASSERT(result[3]==-1);

   CPPUNIT_ASSERT(result[4]==-6);

   CPPUNIT_ASSERT(result[5]==-11);

 }

 void TransformTest::trnsfrm2()

 {

 #if defined (__MVS__)

   int trans[] = {-11, 4, -6, -6, -18, 0, 18, -14, 6, 0, -1, -59};

 #else

   int trans[] = {-4, 4, -6, -6, -10, 0, 10, -6, 6, 0, -1, -77};

 #endif

   char n[] = "Larry Mullen";

   const size_t count = ::strlen(n);

   string res;

   transform(n, n + count, trans, back_inserter(res), map_char);

   CPPUNIT_ASSERT( res == "Hello World!" )

 }

 void TransformTest::self_str()

 {

   string s( "0123456789abcdefg" );

   string r( "123456789:bcdefgh" );

   transform( s.begin(), s.end(), s.begin(), shift );

   CPPUNIT_ASSERT( s == r );

 }