Home | History | Annotate | Download | only in unit
      1 #include <numeric>
      2 #include <string>
      3 #include <iterator>
      4 #include <vector>
      5 #include <algorithm>
      6 #include <functional>
      7 
      8 #include "iota.h"
      9 #include "cppunit/cppunit_proxy.h"
     10 
     11 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
     12 using namespace std;
     13 #endif
     14 
     15 //
     16 // TestCase class
     17 //
     18 class SetDifferenceTest : public CPPUNIT_NS::TestCase
     19 {
     20   CPPUNIT_TEST_SUITE(SetDifferenceTest);
     21   CPPUNIT_TEST(setdiff0);
     22   CPPUNIT_TEST(setdiff1);
     23   CPPUNIT_TEST(setdiff2);
     24   CPPUNIT_TEST(setsymd0);
     25   CPPUNIT_TEST(setsymd1);
     26   CPPUNIT_TEST(setsymd2);
     27   CPPUNIT_TEST_SUITE_END();
     28 
     29 protected:
     30   void setdiff0();
     31   void setdiff1();
     32   void setdiff2();
     33   void setsymd0();
     34   void setsymd1();
     35   void setsymd2();
     36 };
     37 
     38 CPPUNIT_TEST_SUITE_REGISTRATION(SetDifferenceTest);
     39 
     40 //
     41 // tests implementation
     42 //
     43 void SetDifferenceTest::setsymd0()
     44 {
     45   int v1[3] = { 13, 18, 23 };
     46   int v2[4] = { 10, 13, 17, 23 };
     47   int result[4] = { 0, 0, 0, 0 };
     48 
     49   set_symmetric_difference((int*)v1, (int*)v1 + 3, (int*)v2, (int*)v2 + 4, (int*)result);
     50   CPPUNIT_ASSERT(result[0]==10);
     51   CPPUNIT_ASSERT(result[1]==17);
     52   CPPUNIT_ASSERT(result[2]==18);
     53   CPPUNIT_ASSERT(result[3]==0);
     54 }
     55 
     56 void SetDifferenceTest::setsymd1()
     57 {
     58   vector<int> v1(10);
     59   __iota(v1.begin(), v1.end(), 0);
     60   vector<int> v2(10);
     61   __iota(v2.begin(), v2.end(), 7);
     62 
     63   vector<int> diff;
     64   set_symmetric_difference(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));
     65   CPPUNIT_ASSERT( diff.size() == 14 );
     66   int int_res[] = {0, 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16};
     67   for (int i = 0; i < 14; ++i) {
     68     CPPUNIT_ASSERT( diff[i] == int_res[i] );
     69   }
     70 }
     71 
     72 void SetDifferenceTest::setsymd2()
     73 {
     74   const char* word1 = "ABCDEFGHIJKLMNO";
     75   const char* word2 = "LMNOPQRSTUVWXYZ";
     76 
     77   string diff;
     78   set_symmetric_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2),
     79                            back_inserter(diff), less<char>());
     80   CPPUNIT_ASSERT( diff.size() == 22 );
     81   char char_res[] = "ABCDEFGHIJKPQRSTUVWXYZ";
     82   for (int i = 0; i < 22; ++i) {
     83     CPPUNIT_ASSERT( diff[i] == char_res[i] );
     84   }
     85 }
     86 
     87 void SetDifferenceTest::setdiff0()
     88 {
     89   int v1[3] = { 13, 18, 23 };
     90   int v2[4] = { 10, 13, 17, 23 };
     91   int result[4] = { 0, 0, 0, 0 };
     92   //18 0 0 0
     93   //10 17 23 0
     94 
     95   set_difference((int*)v1, (int*)v1 + 3, (int*)v2, (int*)v2 + 4, (int*)result);
     96   CPPUNIT_ASSERT( result[0] == 18 );
     97   CPPUNIT_ASSERT( result[1] == 0 );
     98   CPPUNIT_ASSERT( result[2] == 0 );
     99   CPPUNIT_ASSERT( result[3] == 0 );
    100 
    101   set_difference((int*)v2, (int*)v2 + 4, (int*)v1, (int*)v1 + 2, (int*)result);
    102   CPPUNIT_ASSERT( result[0] == 10 );
    103   CPPUNIT_ASSERT( result[1] == 17 );
    104   CPPUNIT_ASSERT( result[2] == 23 );
    105   CPPUNIT_ASSERT( result[3] == 0 );
    106 }
    107 
    108 void SetDifferenceTest::setdiff1()
    109 {
    110   vector<int> v1(10);
    111   __iota(v1.begin(), v1.end(), 0);
    112   vector<int> v2(10);
    113   __iota(v2.begin(), v2.end(), 7);
    114 
    115   vector<int> diff;
    116   set_difference(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(diff));
    117   CPPUNIT_ASSERT( diff.size() == 7 );
    118   for (int i = 0; i < 7; ++i) {
    119     CPPUNIT_ASSERT( diff[i] == i );
    120   }
    121 }
    122 
    123 void SetDifferenceTest::setdiff2()
    124 {
    125   const char* word1 = "ABCDEFGHIJKLMNO";
    126   const char* word2 = "LMNOPQRSTUVWXYZ";
    127 
    128   string diff;
    129   set_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2), back_inserter(diff), less<char>());
    130   CPPUNIT_ASSERT( diff.size() == 11 );
    131   for (int i = 0; i < 11; ++i) {
    132     CPPUNIT_ASSERT( diff[i] == ('A' + i) );
    133   }
    134 }
    135