#include <vector>

#include <algorithm>

#include "cppunit/cppunit_proxy.h"

#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)

using namespace std;

#endif

//

// TestCase class

//

class BoundTest : public CPPUNIT_NS::TestCase

{

  CPPUNIT_TEST_SUITE(BoundTest);

  CPPUNIT_TEST(lwrbnd1);

  CPPUNIT_TEST(lwrbnd2);

  CPPUNIT_TEST(uprbnd1);

  CPPUNIT_TEST(uprbnd2);

  CPPUNIT_TEST_SUITE_END();

protected:

  void lwrbnd1();

  void lwrbnd2();

  void uprbnd1();

  void uprbnd2();

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

  {

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

  }

};

CPPUNIT_TEST_SUITE_REGISTRATION(BoundTest);

//

// tests implementation

//

void BoundTest::uprbnd1()

{

  int arr[20];

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

  {

    arr[i] = i/4;

  }

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

  CPPUNIT_ASSERT(location==16);

}

void BoundTest::uprbnd2()

{

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

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

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

  CPPUNIT_ASSERT(location==4);

}

void BoundTest::lwrbnd1()

{

  vector <int> v1(20);

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

  {

    v1[i] = i/4;

  }

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

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

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

}

void BoundTest::lwrbnd2()

{

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

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

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

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

}