ndk/tests/device/test-stlport/unit/innerprod_test.cpp

   1 #include <vector>
   2 #include <algorithm>
   3 #include <numeric>
   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 InnerprodTest : public CPPUNIT_NS::TestCase
  15 {
  16   CPPUNIT_TEST_SUITE(InnerprodTest);
  17   CPPUNIT_TEST(inprod0);
  18   CPPUNIT_TEST(inprod1);
  19   CPPUNIT_TEST(inprod2);
  20   CPPUNIT_TEST_SUITE_END();
  21
  22 protected:
  23   void inprod0();
  24   void inprod1();
  25   void inprod2();
  26
  27   static size_t add(size_t a_, size_t b_) {
  28     return a_ + b_;
  29   }
  30
  31   static size_t mult(size_t a_, size_t b_) {
  32     return a_ * b_;
  33   }
  34 };
  35
  36 CPPUNIT_TEST_SUITE_REGISTRATION(InnerprodTest);
  37
  38 //
  39 // tests implementation
  40 //
  41 void InnerprodTest::inprod0()
  42 {
  43   int vector1[5] = { 1, 2, 3, 4, 5 };
  44   int vector2[5] = { 1, 2, 3, 4, 5 };
  45
  46   int result;
  47   result = inner_product(vector1, vector1 + 5, vector2, 0);
  48   CPPUNIT_ASSERT(result==55);
  49 }
  50 void InnerprodTest::inprod1()
  51 {
  52   vector<size_t> v1(3);
  53   vector<size_t> v2(v1.size());
  54   for (size_t i = 0; i < v1.size(); ++i) {
  55     v1[i] = i + 1;
  56     v2[i] = v1.size() - i;
  57   }
  58   size_t result = inner_product(v1.begin(), v1.end(), v2.begin(), (size_t)0);
  59   CPPUNIT_ASSERT(result == 10);
  60 }
  61 void InnerprodTest::inprod2()
  62 {
  63   vector<size_t> v1(3);
  64   vector<size_t> v2(v1.size());
  65   for(size_t i = 0; i < v1.size(); ++i) {
  66     v1[i] = i + 1;
  67     v2[i] = v1.size() - i;
  68   }
  69   size_t result=inner_product(v1.begin(), v1.end(), v2.begin(), (size_t)1, mult, add);
  70
  71   CPPUNIT_ASSERT(result == 64);
  72 }