ndk/tests/device/test-gnustl-full/unit/adj_test.cpp

   1 #include <vector>
   2 #include <numeric>
   3 #include <algorithm>
   4
   5 #include "cppunit/cppunit_proxy.h"
   6
   7 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
   8 using namespace std;
   9 #endif
  10
  11 //
  12 // TestCase class
  13 //
  14 class AdjTest : public CPPUNIT_NS::TestCase
  15 {
  16   CPPUNIT_TEST_SUITE(AdjTest);
  17   CPPUNIT_TEST(adjfind0);
  18   CPPUNIT_TEST(adjfind1);
  19   CPPUNIT_TEST(adjfind2);
  20   CPPUNIT_TEST(adjdiff0);
  21   CPPUNIT_TEST(adjdiff1);
  22   CPPUNIT_TEST(adjdiff2);
  23   CPPUNIT_TEST_SUITE_END();
  24
  25 protected:
  26   void adjfind0();
  27   void adjfind1();
  28   void adjfind2();
  29   void adjdiff0();
  30   void adjdiff1();
  31   void adjdiff2();
  32   static int equal_length(const char* v1_, const char* v2_);
  33   static int mult(int a_, int b_);
  34 };
  35
  36 CPPUNIT_TEST_SUITE_REGISTRATION(AdjTest);
  37
  38 //
  39 // tests implementation
  40 //
  41 void AdjTest::adjfind0()
  42 {
  43   int numbers1 [5] = { 1, 2, 4, 8, 16 };
  44   int numbers2 [5] = { 5, 3, 2, 1, 1 };
  45
  46   int* location = adjacent_find((int*)numbers1, (int*)numbers1 + 5);
  47   CPPUNIT_ASSERT(location == numbers1 + 5); // no adj so loc should be _last
  48
  49   location = adjacent_find((int*)numbers2, (int*)numbers2 + 5);
  50   CPPUNIT_ASSERT(location != numbers2 + 5); // adj location off should be 3 (first 1)
  51   CPPUNIT_ASSERT((location - numbers2)==3);
  52 }
  53 void AdjTest::adjfind1()
  54 {
  55   typedef vector<int> IntVector;
  56   IntVector v(10);
  57   for (int i = 0; (size_t)i < v.size(); ++i)
  58     v[i] = i;
  59   IntVector::iterator location;
  60   location = adjacent_find(v.begin(), v.end());
  61   CPPUNIT_ASSERT(location == v.end());
  62   v[6] = 7;
  63   location = adjacent_find(v.begin(), v.end());
  64   CPPUNIT_ASSERT(location != v.end());
  65 }
  66 void AdjTest::adjfind2()
  67 {
  68   typedef vector <const char*> CStrVector;
  69
  70   const char* names[] = { "Brett", "Graham", "Jack", "Mike", "Todd" };
  71
  72   const int nameCount = sizeof(names)/sizeof(names[0]);
  73   CStrVector v(nameCount);
  74   for(int i = 0; i < nameCount; i++)
  75     v[i] = names[i];
  76   CStrVector::iterator location;
  77   location = adjacent_find(v.begin(), v.end(), equal_length);
  78
  79   CPPUNIT_ASSERT(location != v.end());
  80 }
  81 int AdjTest::equal_length(const char* v1_, const char* v2_)
  82 {
  83   return ::strlen(v1_) == ::strlen(v2_);
  84 }
  85 void AdjTest::adjdiff0()
  86 {
  87   int numbers[5] = { 1, 2, 4, 8, 16 };
  88   int difference[5];
  89   adjacent_difference(numbers, numbers + 5, (int*)difference);
  90   CPPUNIT_ASSERT(difference[0]==1);
  91   CPPUNIT_ASSERT(difference[1]==1);
  92   CPPUNIT_ASSERT(difference[2]==2);
  93   CPPUNIT_ASSERT(difference[3]==4);
  94   CPPUNIT_ASSERT(difference[4]==8);
  95 }
  96 void AdjTest::adjdiff1()
  97 {
  98   vector <int> v(10);
  99   for(int i = 0; (size_t)i < v.size(); ++i)
 100     v[i] = i * i;
 101   vector<int> result(v.size());
 102   adjacent_difference(v.begin(), v.end(), result.begin());
 103   CPPUNIT_ASSERT(result[0]==0)
 104   CPPUNIT_ASSERT(result[1]==1)
 105   CPPUNIT_ASSERT(result[2]==3)
 106   CPPUNIT_ASSERT(result[3]==5)
 107   CPPUNIT_ASSERT(result[4]==7)
 108   CPPUNIT_ASSERT(result[5]==9)
 109   CPPUNIT_ASSERT(result[6]==11)
 110   CPPUNIT_ASSERT(result[7]==13)
 111   CPPUNIT_ASSERT(result[8]==15)
 112   CPPUNIT_ASSERT(result[9]==17)
 113 }
 114 void AdjTest::adjdiff2()
 115 {
 116   vector <int> v(10);
 117   for (int i = 0; (size_t)i < v.size(); ++i)
 118     v[i] = i + 1;
 119   vector <int> result(v.size());
 120   adjacent_difference(v.begin(), v.end(), result.begin(), mult);
 121   CPPUNIT_ASSERT(result[0]==1)
 122   CPPUNIT_ASSERT(result[1]==2)
 123   CPPUNIT_ASSERT(result[2]==6)
 124   CPPUNIT_ASSERT(result[3]==12)
 125   CPPUNIT_ASSERT(result[4]==20)
 126   CPPUNIT_ASSERT(result[5]==30)
 127   CPPUNIT_ASSERT(result[6]==42)
 128   CPPUNIT_ASSERT(result[7]==56)
 129   CPPUNIT_ASSERT(result[8]==72)
 130   CPPUNIT_ASSERT(result[9]==90)
 131 }
 132 int AdjTest::mult(int a_, int b_)
 133 {
 134   return a_ * b_;
 135 }