1 #include <numeric>
2 #include <algorithm>
3 #include <functional>
4 
5 #include "cppunit/cppunit_proxy.h"
6 
7 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
8 using namespace std;
9 #endif
10 
11 //
12 // TestCase class
13 //
14 class PlusMinusTest : public CPPUNIT_NS::TestCase
15 {
16   CPPUNIT_TEST_SUITE(PlusMinusTest);
17   CPPUNIT_TEST(plus0);
18   CPPUNIT_TEST(minus0);
19   CPPUNIT_TEST_SUITE_END();
20 
21 protected:
22   void plus0();
23   void minus0();
24 };
25 
26 CPPUNIT_TEST_SUITE_REGISTRATION(PlusMinusTest);
27 
28 //
29 // tests implementation
30 //
31 void PlusMinusTest::plus0()
32 {
33   int input1 [4] = { 1, 6, 11, 8 };
34   int input2 [4] = { 1, 5, 2, 3 };
35 
36   int total = inner_product(input1, input1 + 4, input2, 0, plus<int>(), multiplies <int>());
37 
38   CPPUNIT_ASSERT(total==77);
39 }
40 void PlusMinusTest::minus0()
41 {
42   int input1 [4] = { 1, 5, 7, 8 };
43   int input2 [4] = { 1, 4, 8, 3 };
44 
45   int output [4];
46 
47   transform((int*)input1, (int*)input1 + 4, (int*)input2, (int*)output, minus<int>());
48   CPPUNIT_ASSERT(output[0]==0);
49   CPPUNIT_ASSERT(output[1]==1);
50   CPPUNIT_ASSERT(output[2]==-1);
51   CPPUNIT_ASSERT(output[3]==5);
52 }
53