1 #include <algorithm>
2 #include <functional>
3 
4 #include "cppunit/cppunit_proxy.h"
5 
6 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
7 using namespace std;
8 #endif
9 
10 //
11 // TestCase class
12 //
13 class BindTest : public CPPUNIT_NS::TestCase
14 {
15   CPPUNIT_TEST_SUITE(BindTest);
16   CPPUNIT_TEST(bind1st1);
17   CPPUNIT_TEST(bind2nd1);
18   CPPUNIT_TEST(bind2nd2);
19 #if !defined (STLPORT) || \
20     defined (_STLP_NO_EXTENSIONS) || !defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
21   CPPUNIT_IGNORE;
22 #endif
23   CPPUNIT_TEST(bind2nd3);
24   CPPUNIT_TEST(bind_memfn);
25   CPPUNIT_TEST_SUITE_END();
26 
27 protected:
28   void bind1st1();
29   void bind2nd1();
30   void bind2nd2();
31   void bind2nd3();
32   void bind_memfn();
33 };
34 
35 CPPUNIT_TEST_SUITE_REGISTRATION(BindTest);
36 
37 class pre_increment : public binary_function<int, int, int> {
38 public:
operator ()(int incr,int & val) const39   int operator()(int incr, int& val) const
40   { return val += incr; }
41 };
42 
43 class post_increment : public binary_function<int, int, int> {
44 public:
operator ()(int & val,int incr) const45   int operator()(int& val, int incr) const
46   { return val += incr; }
47 };
48 
49 
50 //
51 // tests implementation
52 //
bind1st1()53 void BindTest::bind1st1()
54 {
55   int array [3] = { 1, 2, 3 };
56   int* p = remove_if((int*)array, (int*)array + 3, bind1st(less<int>(), 2));
57 
58   CPPUNIT_ASSERT(p == &array[2]);
59   CPPUNIT_ASSERT(array[0] == 1);
60   CPPUNIT_ASSERT(array[1] == 2);
61 
62   for_each((int*)array, (int*)array + 3, bind1st(pre_increment(), 1));
63   CPPUNIT_ASSERT(array[0] == 2);
64   CPPUNIT_ASSERT(array[1] == 3);
65   CPPUNIT_ASSERT(array[2] == 4);
66 
67   for_each((int*)array, (int*)array + 3, bind2nd(post_increment(), 1));
68   CPPUNIT_ASSERT(array[0] == 3);
69   CPPUNIT_ASSERT(array[1] == 4);
70   CPPUNIT_ASSERT(array[2] == 5);
71 }
72 
bind2nd1()73 void BindTest::bind2nd1()
74 {
75   int array [3] = { 1, 2, 3 };
76   replace_if(array, array + 3, binder2nd<greater<int> >(greater<int>(), 2), 4);
77 
78   CPPUNIT_ASSERT(array[0]==1);
79   CPPUNIT_ASSERT(array[1]==2);
80   CPPUNIT_ASSERT(array[2]==4);
81 }
bind2nd2()82 void BindTest::bind2nd2()
83 {
84   int array [3] = { 1, 2, 3 };
85   replace_if(array, array + 3, bind2nd(greater<int>(), 2), 4);
86   CPPUNIT_ASSERT(array[0]==1);
87   CPPUNIT_ASSERT(array[1]==2);
88   CPPUNIT_ASSERT(array[2]==4);
89 }
90 
test_func1(const int & param1,const int & param2)91 int test_func1 (const int &param1, const int &param2) {
92   return param1 + param2;
93 }
94 
test_func2(int & param1,int param2)95 int test_func2 (int &param1, int param2) {
96   param1 += param2;
97   return param1 + param2;
98 }
99 
bind2nd3()100 void BindTest::bind2nd3()
101 {
102 #if defined (STLPORT) && \
103     !defined (_STLP_NO_EXTENSIONS) && defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
104   int array[3] = { 1, 2, 3 };
105   transform(array, array + 3, array, bind2nd(ptr_fun(test_func1), 1));
106   transform(array, array + 3, array, bind1st(ptr_fun(test_func1), -1));
107   CPPUNIT_ASSERT(array[0] == 1);
108   CPPUNIT_ASSERT(array[1] == 2);
109   CPPUNIT_ASSERT(array[2] == 3);
110 
111   transform(array, array + 3, array, bind2nd(ptr_fun(test_func2), 10));
112   CPPUNIT_ASSERT(array[0] == 21);
113   CPPUNIT_ASSERT(array[1] == 22);
114   CPPUNIT_ASSERT(array[2] == 23);
115 #endif
116 }
117 
118 class A
119 {
120   public:
A()121     A() : m_n( 0 )
122     {}
123 
f(int n) const124     void f( int n ) const {
125 #if defined (STLPORT)
126       _STLP_MUTABLE(A, m_n) = n;
127 #else
128       m_n = n;
129 #endif
130     }
131 
v() const132     int v() const
133     { return m_n; }
134 
135   private:
136     mutable int m_n;
137 };
138 
bind_memfn()139 void BindTest::bind_memfn()
140 {
141 #if defined (STLPORT) && \
142     !defined (_STLP_NO_EXTENSIONS) && defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
143   A array[3];
144 
145   for_each( array, array + 3, bind2nd( mem_fun_ref(&A::f), 12 ) );
146 
147   CPPUNIT_CHECK( array[0].v() == 12 );
148 #endif
149 }
150