ptr2_test.cpp revision e46c9386c4f79aa40185f79a19fc5b2a7ef528b3
1#include <vector>
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 Ptr2Test : public CPPUNIT_NS::TestCase
15{
16  CPPUNIT_TEST_SUITE(Ptr2Test);
17  CPPUNIT_TEST(ptrbin1);
18  CPPUNIT_TEST(ptrbin2);
19  CPPUNIT_TEST(ptrun1);
20  CPPUNIT_TEST(ptrun2);
21  CPPUNIT_TEST_SUITE_END();
22
23protected:
24  void ptrbin1();
25  void ptrbin2();
26  void ptrun1();
27  void ptrun2();
28};
29
30CPPUNIT_TEST_SUITE_REGISTRATION(Ptr2Test);
31
32//
33// tests implementation
34//
35static int sum(int x_, int y_)
36{
37  return x_ + y_;
38}
39bool even(int n_)
40{
41  return(n_ % 2) == 0;
42}
43void Ptr2Test::ptrbin1()
44{
45  int input1 [4] = { 7, 2, 3, 5 };
46  int input2 [4] = { 1, 5, 5, 8 };
47
48  int output [4];
49  transform((int*)input1, (int*)input1 + 4, (int*)input2, (int*)output, pointer_to_binary_function<int, int, int>(sum));
50
51  CPPUNIT_ASSERT(output[0]==8);
52  CPPUNIT_ASSERT(output[1]==7);
53  CPPUNIT_ASSERT(output[2]==8);
54  CPPUNIT_ASSERT(output[3]==13);
55}
56void Ptr2Test::ptrbin2()
57{
58  int input1 [4] = { 7, 2, 3, 5 };
59  int input2 [4] = { 1, 5, 5, 8 };
60
61  int output [4];
62  transform((int*)input1, (int*)input1 + 4, (int*)input2, (int*)output, ptr_fun(sum));
63
64  CPPUNIT_ASSERT(output[0]==8);
65  CPPUNIT_ASSERT(output[1]==7);
66  CPPUNIT_ASSERT(output[2]==8);
67  CPPUNIT_ASSERT(output[3]==13);
68}
69void Ptr2Test::ptrun1()
70{
71  int array [3] = { 1, 2, 3 };
72
73  int* p = find_if((int*)array, (int*)array + 3, pointer_to_unary_function<int, bool>(even));
74  CPPUNIT_ASSERT(p != array+3);
75  CPPUNIT_ASSERT(*p==2);
76}
77void Ptr2Test::ptrun2()
78{
79  int array [3] = { 1, 2, 3 };
80
81  int* p = find_if((int*)array, (int*)array + 3, ptr_fun(even));
82  CPPUNIT_ASSERT(p != array+3);
83  CPPUNIT_ASSERT(*p==2);
84}
85