genericopenlibs/cppstdlib/stl/test/unit/innerprod_test.cpp
changeset 0 e4d67989cc36
child 18 47c74d1534e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/stl/test/unit/innerprod_test.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,72 @@
+#include <vector>
+#include <algorithm>
+#include <numeric>
+
+#include "cppunit/cppunit_proxy.h"
+
+#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
+using namespace std;
+#endif
+
+//
+// TestCase class
+//
+class InnerprodTest : public CPPUNIT_NS::TestCase
+{
+  CPPUNIT_TEST_SUITE(InnerprodTest);
+  CPPUNIT_TEST(inprod0);
+  CPPUNIT_TEST(inprod1);
+  CPPUNIT_TEST(inprod2);
+  CPPUNIT_TEST_SUITE_END();
+
+protected:
+  void inprod0();
+  void inprod1();
+  void inprod2();
+
+  static size_t add(size_t a_, size_t b_) {
+    return a_ + b_;
+  }
+
+  static size_t mult(size_t a_, size_t b_) {
+    return a_ * b_;
+  }
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(InnerprodTest);
+
+//
+// tests implementation
+//
+void InnerprodTest::inprod0()
+{
+  int vector1[5] = { 1, 2, 3, 4, 5 };
+  int vector2[5] = { 1, 2, 3, 4, 5 };
+
+  int result;
+  result = inner_product(vector1, vector1 + 5, vector2, 0);
+  CPPUNIT_ASSERT(result==55);
+}
+void InnerprodTest::inprod1()
+{
+  vector<size_t> v1(3);
+  vector<size_t> v2(v1.size());
+  for (size_t i = 0; i < v1.size(); ++i) {
+    v1[i] = i + 1;
+    v2[i] = v1.size() - i;
+  }
+  size_t result = inner_product(v1.begin(), v1.end(), v2.begin(), (size_t)0);
+  CPPUNIT_ASSERT(result == 10);
+}
+void InnerprodTest::inprod2()
+{
+  vector<size_t> v1(3);
+  vector<size_t> v2(v1.size());
+  for(size_t i = 0; i < v1.size(); ++i) {
+    v1[i] = i + 1;
+    v2[i] = v1.size() - i;
+  }
+  size_t result=inner_product(v1.begin(), v1.end(), v2.begin(), (size_t)1, mult, add);
+
+  CPPUNIT_ASSERT(result == 64);
+}