1 #include <vector>

     2 #include <algorithm>

     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 BoundTest : public CPPUNIT_NS::TestCase

    14 {

    15   CPPUNIT_TEST_SUITE(BoundTest);

    16   CPPUNIT_TEST(lwrbnd1);

    17   CPPUNIT_TEST(lwrbnd2);

    18   CPPUNIT_TEST(uprbnd1);

    19   CPPUNIT_TEST(uprbnd2);

    20   CPPUNIT_TEST_SUITE_END();

    21 

    22 protected:

    23   void lwrbnd1();

    24   void lwrbnd2();

    25   void uprbnd1();

    26   void uprbnd2();

    27 

    28   static bool char_str_less(const char* a_, const char* b_)

    29   {

    30     return strcmp(a_, b_) < 0 ? 1 : 0;

    31   }

    32 };

    33 

    34 CPPUNIT_TEST_SUITE_REGISTRATION(BoundTest);

    35 

    36 //

    37 // tests implementation

    38 //

    39 void BoundTest::uprbnd1()

    40 {

    41   int arr[20];

    42   for(int i = 0; i < 20; i++)

    43   {

    44     arr[i] = i/4;

    45   }

    46   int location = upper_bound((int*)arr, (int*)arr + 20, 3) - arr;

    47   CPPUNIT_ASSERT(location==16);

    48 }

    49 

    50 void BoundTest::uprbnd2()

    51 {

    52   char const* str [] = { "a", "a", "b", "b", "q", "w", "z" };

    53 

    54   const unsigned strCt = sizeof(str)/sizeof(str[0]);

    55 

    56   int location = (upper_bound((char const**)str,  (char const**)str + strCt, (const char *)"d", char_str_less) - str);

    57   CPPUNIT_ASSERT(location==4);

    58 }

    59 void BoundTest::lwrbnd1()

    60 {

    61   vector <int> v1(20);

    62   for (int i = 0; (size_t)i < v1.size(); ++i)

    63   {

    64     v1[i] = i/4;

    65   }

    66   // 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4

    67   vector<int>::iterator location = lower_bound(v1.begin(), v1.end(), 3);

    68 

    69   CPPUNIT_ASSERT((location - v1.begin())==12);

    70 }

    71 

    72 void BoundTest::lwrbnd2()

    73 {

    74   char const* str [] = { "a", "a", "b", "b", "q", "w", "z" };

    75 

    76   const unsigned strCt = sizeof(str)/sizeof(str[0]);

    77   char const** location = lower_bound((char const**)str,  (char const**)str + strCt, (const char *)"d", char_str_less);

    78 

    79   CPPUNIT_ASSERT((location - str) == 4);

    80 }