os/ossrv/genericopenlibs/cppstdlib/stl/test/unit/partial_test.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 #include <numeric>
     2 #include <vector>
     3 #include <algorithm>
     4 #include <functional>
     5 
     6 #if defined (STLPORT) && defined (_STLP_DEBUG) && defined (_STLP_DEBUG_MODE_THROWS)
     7 #  define _STLP_DO_CHECK_BAD_PREDICATE
     8 #  include <stdexcept>
     9 #endif
    10 
    11 #include "iota.h"
    12 #include "cppunit/cppunit_proxy.h"
    13 
    14 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
    15 using namespace std;
    16 #endif
    17 
    18 //
    19 // TestCase class
    20 //
    21 class PartialTest : public CPPUNIT_NS::TestCase
    22 {
    23   CPPUNIT_TEST_SUITE(PartialTest);
    24   CPPUNIT_TEST(parsrt0);
    25   CPPUNIT_TEST(parsrt1);
    26   CPPUNIT_TEST(parsrt2);
    27   CPPUNIT_TEST(parsrtc0);
    28   CPPUNIT_TEST(parsrtc1);
    29   CPPUNIT_TEST(parsrtc2);
    30 #if defined (_STLP_DO_CHECK_BAD_PREDICATE)
    31   CPPUNIT_TEST(bad_predicate_detected);
    32 #endif
    33   CPPUNIT_TEST(partsum0);
    34   CPPUNIT_TEST(partsum1);
    35   CPPUNIT_TEST(partsum2);
    36   CPPUNIT_TEST_SUITE_END();
    37 
    38 protected:
    39   void parsrt0();
    40   void parsrt1();
    41   void parsrt2();
    42   void parsrtc0();
    43   void parsrtc1();
    44   void parsrtc2();
    45   void partsum0();
    46   void partsum1();
    47   void partsum2();
    48   void bad_predicate_detected();
    49 
    50   static bool str_compare(const char* a_, const char* b_)
    51   {
    52     return strcmp(a_, b_) < 0 ? 1 : 0;
    53   }
    54 };
    55 
    56 CPPUNIT_TEST_SUITE_REGISTRATION(PartialTest);
    57 
    58 //
    59 // tests implementation
    60 //
    61 void PartialTest::parsrt0()
    62 {
    63   int numbers[6] = { 5, 2, 4, 3, 1, 6 };
    64 
    65   partial_sort((int*)numbers, (int*)numbers + 3, (int*)numbers + 6);
    66 
    67   // 1 2 3 5 4 6
    68   CPPUNIT_ASSERT(numbers[0]==1);
    69   CPPUNIT_ASSERT(numbers[1]==2);
    70   CPPUNIT_ASSERT(numbers[2]==3);
    71   CPPUNIT_ASSERT(numbers[3]==5);
    72   CPPUNIT_ASSERT(numbers[4]==4);
    73   CPPUNIT_ASSERT(numbers[5]==6);
    74 }
    75 
    76 void PartialTest::parsrt1()
    77 {
    78   // 8 8 5 3 7 6 5 3 2 4
    79   // 2 3 3 4 5 8 8 7 6 5
    80   int numbers[10] ={ 8, 8, 5, 3, 7, 6, 5, 3, 2, 4 };
    81 
    82   vector <int> v1(numbers, numbers+10);
    83   partial_sort(v1.begin(), v1.begin() + v1.size() / 2, v1.end());
    84 
    85   CPPUNIT_ASSERT(v1[0]==2);
    86   CPPUNIT_ASSERT(v1[1]==3);
    87   CPPUNIT_ASSERT(v1[2]==3);
    88   CPPUNIT_ASSERT(v1[3]==4);
    89   CPPUNIT_ASSERT(v1[4]==5);
    90   CPPUNIT_ASSERT(v1[5]==8);
    91   CPPUNIT_ASSERT(v1[6]==8);
    92   CPPUNIT_ASSERT(v1[7]==7);
    93   CPPUNIT_ASSERT(v1[8]==6);
    94   CPPUNIT_ASSERT(v1[9]==5);
    95 }
    96 
    97 void PartialTest::parsrt2()
    98 {
    99   char const* names[] = { "aa", "ff", "dd", "ee", "cc", "bb" };
   100 
   101   const unsigned nameSize = sizeof(names) / sizeof(names[0]);
   102   vector <char const*> v1(nameSize);
   103   for(size_t i = 0; i < v1.size(); i++)
   104     v1[i] = names[i];
   105 
   106   partial_sort(v1.begin(), v1.begin() + nameSize / 2, v1.end(), str_compare);
   107 
   108   // aa bb cc ff ee dd
   109   CPPUNIT_ASSERT( strcmp(v1[0], "aa") == 0 );
   110   CPPUNIT_ASSERT( v1[0] == names[0] );
   111   CPPUNIT_ASSERT( strcmp(v1[1], "bb") == 0 );
   112   CPPUNIT_ASSERT( v1[1] == names[5] );
   113   CPPUNIT_ASSERT( strcmp(v1[2], "cc") == 0 );
   114   CPPUNIT_ASSERT( v1[2] == names[4] );
   115   CPPUNIT_ASSERT( strcmp(v1[3], "ff") == 0 );
   116   CPPUNIT_ASSERT( v1[3] == names[1] );
   117   CPPUNIT_ASSERT( strcmp(v1[4], "ee") == 0 );
   118   CPPUNIT_ASSERT( v1[4] == names[3] );
   119   CPPUNIT_ASSERT( strcmp(v1[5], "dd") == 0 );
   120   CPPUNIT_ASSERT( v1[5] == names[2] );
   121 }
   122 
   123 void PartialTest::parsrtc0()
   124 {
   125   int numbers[6] = { 5, 2, 4, 3, 1, 6 };
   126 
   127   int result[3];
   128   partial_sort_copy((int*)numbers, (int*)numbers + 6, (int*)result, (int*)result + 3);
   129   //1 2 3
   130   CPPUNIT_ASSERT(result[0]==1);
   131   CPPUNIT_ASSERT(result[1]==2);
   132   CPPUNIT_ASSERT(result[2]==3);
   133 }
   134 
   135 void PartialTest::parsrtc1()
   136 {
   137   int numbers[10] ={ 3, 0, 4, 3, 2, 8, 2, 7, 7, 5 };
   138 
   139   //3 0 4 3 2 8 2 7 7 5
   140   //0 2 2 3 3
   141 
   142   vector <int> v1(numbers, numbers+10);
   143   vector <int> result(5);
   144 
   145   partial_sort_copy(v1.begin(), v1.end(), result.begin(), result.end());
   146   CPPUNIT_ASSERT(result[0]==0);
   147   CPPUNIT_ASSERT(result[1]==2);
   148   CPPUNIT_ASSERT(result[2]==2);
   149   CPPUNIT_ASSERT(result[3]==3);
   150   CPPUNIT_ASSERT(result[4]==3);
   151 }
   152 
   153 void PartialTest::parsrtc2()
   154 {
   155   char const* names[] = { "aa", "ff", "dd", "ee", "cc", "bb" };
   156 
   157   const unsigned nameSize = sizeof(names) / sizeof(names[0]);
   158   vector <char const*> v1(nameSize);
   159   for(size_t i = 0; i < v1.size(); i++)
   160     v1[i] = names[i];
   161   vector <char const*> result(3);
   162   partial_sort_copy(v1.begin(), v1.end(), result.begin(), result.end(), str_compare);
   163 
   164   // aa bb cc
   165   CPPUNIT_ASSERT( strcmp( result[0], "aa" ) == 0 );
   166   CPPUNIT_ASSERT( result[0] == names[0] );
   167   CPPUNIT_ASSERT( strcmp( result[1], "bb" ) == 0 );
   168   CPPUNIT_ASSERT( result[1] == names[5] );
   169   CPPUNIT_ASSERT( strcmp( result[2], "cc" ) == 0 );
   170   CPPUNIT_ASSERT( result[2] == names[4] );
   171 }
   172 
   173 #if defined (_STLP_DO_CHECK_BAD_PREDICATE)
   174 void PartialTest::bad_predicate_detected()
   175 {
   176   int numbers[] = { 0, 0, 1, 0, 0, 1, 0, 0 };
   177   const size_t s = sizeof(numbers) / sizeof(numbers[0]);
   178 
   179   try {
   180     partial_sort(numbers, numbers + s / 2, numbers + s, less_equal<int>());
   181 
   182     //Here is means that no exception has been raised
   183     CPPUNIT_ASSERT( false );
   184   }
   185   catch (runtime_error const&)
   186   { /*OK bad predicate has been detected.*/ }
   187 
   188   try {
   189     vector<int> result(s);
   190     partial_sort_copy(numbers, numbers + s, result.begin(), result.end(), less_equal<int>());
   191 
   192     //Here is means that no exception has been raised
   193     CPPUNIT_ASSERT( false );
   194   }
   195   catch (runtime_error const&)
   196   { /*OK bad predicate has been detected.*/ }
   197 }
   198 #endif
   199 
   200 void PartialTest::partsum0()
   201 {
   202   int numbers[6] = { 1, 2, 3, 4, 5, 6 };
   203 
   204   int result[6];
   205   partial_sum((int*)numbers, (int*)numbers + 6, (int*)result);
   206 
   207   // 1 3 6 10 15 21
   208   CPPUNIT_ASSERT(result[0]==1);
   209   CPPUNIT_ASSERT(result[1]==3);
   210   CPPUNIT_ASSERT(result[2]==6);
   211   CPPUNIT_ASSERT(result[3]==10);
   212   CPPUNIT_ASSERT(result[4]==15);
   213   CPPUNIT_ASSERT(result[5]==21);
   214 }
   215 
   216 void PartialTest::partsum1()
   217 {
   218   vector <int> v1(10);
   219   __iota(v1.begin(), v1.end(), 0);
   220   vector <int> v2(v1.size());
   221   partial_sum(v1.begin(), v1.end(), v2.begin());
   222 
   223   // 0 1 3 6 10 15 21 28 36 45
   224   CPPUNIT_ASSERT(v2[0]==0);
   225   CPPUNIT_ASSERT(v2[1]==1);
   226   CPPUNIT_ASSERT(v2[2]==3);
   227   CPPUNIT_ASSERT(v2[3]==6);
   228   CPPUNIT_ASSERT(v2[4]==10);
   229   CPPUNIT_ASSERT(v2[5]==15);
   230   CPPUNIT_ASSERT(v2[6]==21);
   231   CPPUNIT_ASSERT(v2[7]==28);
   232   CPPUNIT_ASSERT(v2[8]==36);
   233   CPPUNIT_ASSERT(v2[9]==45);
   234 }
   235 
   236 void PartialTest::partsum2()
   237 {
   238   vector <int> v1(5);
   239   __iota(v1.begin(), v1.end(), 1);
   240   vector <int> v2(v1.size());
   241   partial_sum(v1.begin(), v1.end(), v2.begin(), multiplies<int>());
   242   // 1 2 6 24 120
   243   CPPUNIT_ASSERT(v2[0]==1);
   244   CPPUNIT_ASSERT(v2[1]==2);
   245   CPPUNIT_ASSERT(v2[2]==6);
   246   CPPUNIT_ASSERT(v2[3]==24);
   247   CPPUNIT_ASSERT(v2[4]==120);
   248 }