#include <vector>

#include <algorithm>

#include "fadapter.h"

#include "cppunit/cppunit_proxy.h"

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

using namespace std;

#endif

//

// TestCase class

//

class ForeachTest : public CPPUNIT_NS::TestCase

{

  CPPUNIT_TEST_SUITE(ForeachTest);

  CPPUNIT_TEST(foreach0);

  CPPUNIT_TEST(foreach1);

  CPPUNIT_TEST_SUITE_END();

protected:

  void foreach0();

  void foreach1();

};

CPPUNIT_TEST_SUITE_REGISTRATION(ForeachTest);

//

// tests implementation

//

static void increase(int& a_)

{

  a_ += 1;

}

void ForeachTest::foreach0()

{

  int numbers[10] = { 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 };

  for_each(numbers, numbers + 10, ptr_fun(increase));

  CPPUNIT_ASSERT(numbers[0]==2);

  CPPUNIT_ASSERT(numbers[1]==2);

  CPPUNIT_ASSERT(numbers[2]==3);

  CPPUNIT_ASSERT(numbers[3]==4);

  CPPUNIT_ASSERT(numbers[4]==6);

  CPPUNIT_ASSERT(numbers[5]==9);

  CPPUNIT_ASSERT(numbers[6]==14);

  CPPUNIT_ASSERT(numbers[7]==22);

  CPPUNIT_ASSERT(numbers[8]==35);

  CPPUNIT_ASSERT(numbers[9]==56);

}

static void sqr(int& a_)

{

  a_ = a_ * a_;

}

void ForeachTest::foreach1()

{

  vector<int> v1(10);

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

    v1[i] = i;

  for_each(v1.begin(), v1.end(), ptr_fun(sqr) );

  CPPUNIT_ASSERT(v1[0]==0);

  CPPUNIT_ASSERT(v1[1]==1);

  CPPUNIT_ASSERT(v1[2]==4);

  CPPUNIT_ASSERT(v1[3]==9);

  CPPUNIT_ASSERT(v1[4]==16);

  CPPUNIT_ASSERT(v1[5]==25);

  CPPUNIT_ASSERT(v1[6]==36);

  CPPUNIT_ASSERT(v1[7]==49);

  CPPUNIT_ASSERT(v1[8]==64);

  CPPUNIT_ASSERT(v1[9]==81);

}