diff -r 000000000000 -r e4d67989cc36 genericopenlibs/cppstdlib/stl/test/unit/plusminus_test.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/stl/test/unit/plusminus_test.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,52 @@
+#include <numeric>
+#include <algorithm>
+#include <functional>
+
+#include "cppunit/cppunit_proxy.h"
+
+#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
+using namespace std;
+#endif
+
+//
+// TestCase class
+//
+class PlusMinusTest : public CPPUNIT_NS::TestCase
+{
+  CPPUNIT_TEST_SUITE(PlusMinusTest);
+  CPPUNIT_TEST(plus0);
+  CPPUNIT_TEST(minus0);
+  CPPUNIT_TEST_SUITE_END();
+
+protected:
+  void plus0();
+  void minus0();
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(PlusMinusTest);
+
+//
+// tests implementation
+//
+void PlusMinusTest::plus0()
+{
+  int input1 [4] = { 1, 6, 11, 8 };
+  int input2 [4] = { 1, 5, 2, 3 };
+
+  int total = inner_product(input1, input1 + 4, input2, 0, plus<int>(), multiplies <int>());
+
+  CPPUNIT_ASSERT(total==77);
+}
+void PlusMinusTest::minus0()
+{
+  int input1 [4] = { 1, 5, 7, 8 };
+  int input2 [4] = { 1, 4, 8, 3 };
+
+  int output [4];
+
+  transform((int*)input1, (int*)input1 + 4, (int*)input2, (int*)output, minus<int>());
+  CPPUNIT_ASSERT(output[0]==0);
+  CPPUNIT_ASSERT(output[1]==1);
+  CPPUNIT_ASSERT(output[2]==-1);
+  CPPUNIT_ASSERT(output[3]==5);
+}