kbruch/testcases/primenumber_test.cpp

   1 /***************************************************************************
   2
   3     begin                : 2004-05-25
   4     copyright            : (C) 2004 by Sebastian Stein
   5     email                : seb.kde@hpfsc.de
   6
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 // for BOOST testing
  19 #include <boost/test/unit_test.hpp>
  20 using boost::unit_test_framework::test_suite;
  21 using boost::unit_test_framework::test_case;
  22
  23 // the class to be tested
  24 #include "primenumber.h"
  25
  26
  27 class primenumber_test
  28 {
  29         public:
  30
  31         // constructor
  32         primenumber_test()
  33         {
  34         }
  35
  36         /** test the prime number algorithm */
  37         void test_isPrimeNumber()
  38         {
  39                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(0) == 0);
  40                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(2) == 1);
  41                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(3) == 1);
  42                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(4) == 0);
  43                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(5) == 1);
  44                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(6) == 0);
  45                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(7) == 1);
  46                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(8) == 0);
  47                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(9) == 0);
  48                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(23) == 1);
  49                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(9) == 0);
  50                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(9) == 0);
  51                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(6) == 0);
  52                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(101) == 1);
  53                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(323) == 0); // 17 * 19
  54                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(1001) == 0); // 7 * 143
  55                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(1002) == 0); // 2 * 501
  56                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(3) == 1);
  57                 BOOST_REQUIRE(m_primenumber.isPrimeNumber(2) == 1);
  58         }
  59
  60         /** test the get_first() function */
  61         void test_get_first()
  62         {
  63                 BOOST_REQUIRE(m_primenumber.get_first() == 2);
  64         }
  65
  66         /** test the move and get functions */
  67         void test_move_get_func()
  68         {
  69                 m_primenumber.move_first();
  70                 BOOST_REQUIRE(m_primenumber.get_current() == 2);
  71                 BOOST_REQUIRE(m_primenumber.get_next() == 3);
  72
  73                 m_primenumber.move_forward();
  74                 BOOST_REQUIRE(m_primenumber.get_current() == 5);
  75
  76                 m_primenumber.move_back();
  77                 BOOST_REQUIRE(m_primenumber.get_current() == 3);
  78
  79                 unsigned int tmp = m_primenumber.get_last();
  80                 m_primenumber.move_last();
  81                 BOOST_REQUIRE(m_primenumber.get_current() == tmp);
  82
  83                 m_primenumber.move_forward();
  84                 BOOST_REQUIRE(m_primenumber.get_last() != tmp);
  85         }
  86
  87         private:
  88
  89         // instance of primenumber
  90         primenumber m_primenumber;
  91 };
  92
  93 class primenumber_test_suite : public test_suite
  94 {
  95         public:
  96
  97         primenumber_test_suite() : test_suite("primenumber_test_suite")
  98         {
  99                 // create an instance of the test cases class
 100                 boost::shared_ptr<primenumber_test> instance(new primenumber_test());
 101
 102                 // create the test cases
 103                 test_case* isPrimeNumber_test_case = BOOST_CLASS_TEST_CASE(
 104                                                                                 &primenumber_test::test_isPrimeNumber, instance );
 105                 test_case* get_first_test_case = BOOST_CLASS_TEST_CASE(
 106                                                                                 &primenumber_test::test_get_first, instance );
 107                 test_case* move_get_func_test_case = BOOST_CLASS_TEST_CASE(
 108                                                                                 &primenumber_test::test_move_get_func, instance );
 109
 110                 // add the test cases to the test suite
 111                 add(isPrimeNumber_test_case);
 112                 add(get_first_test_case);
 113                 add(move_get_func_test_case);
 114         }
 115 };