plusminus_test.cpp revision e46c9386c4f79aa40185f79a19fc5b2a7ef528b3 
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)
8using namespace std;
9#endif
10
11//
12// TestCase class
13//
14class 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
21protected:
22  void plus0();
23  void minus0();
24};
25
26CPPUNIT_TEST_SUITE_REGISTRATION(PlusMinusTest);
27
28//
29// tests implementation
30//
31void 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}
40void 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