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