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      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:
     39   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:
     45   int operator()(int& val, int incr) const
     46   { return val += incr; }
     47 };
     48 
     49 
     50 //
     51 // tests implementation
     52 //
     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 
     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 }
     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 
     91 int test_func1 (const int &param1, const int &param2) {
     92   return param1 + param2;
     93 }
     94 
     95 int test_func2 (int &param1, int param2) {
     96   param1 += param2;
     97   return param1 + param2;
     98 }
     99 
    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:
    121     A() : m_n( 0 )
    122     {}
    123 
    124     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 
    132     int v() const
    133     { return m_n; }
    134 
    135   private:
    136     mutable int m_n;
    137 };
    138 
    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