genericopenlibs/cppstdlib/stl/test/unit/merge_test.cpp
changeset 0 e4d67989cc36
child 18 47c74d1534e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/stl/test/unit/merge_test.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,97 @@
+#include <vector>
+#include <algorithm>
+#include <functional>
+#include <numeric>
+
+#include "iota.h"
+#include "cppunit/cppunit_proxy.h"
+
+#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
+using namespace std;
+#endif
+
+//
+// TestCase class
+//
+class MergeTest : public CPPUNIT_NS::TestCase
+{
+  CPPUNIT_TEST_SUITE(MergeTest);
+  CPPUNIT_TEST(merge0);
+  CPPUNIT_TEST(merge1);
+  CPPUNIT_TEST(merge2);
+  CPPUNIT_TEST_SUITE_END();
+
+protected:
+  void merge0();
+  void merge1();
+  void merge2();
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(MergeTest);
+
+//
+// tests implementation
+//
+void MergeTest::merge0()
+{
+  int numbers1[5] = { 1, 6, 13, 25, 101 };
+  int numbers2[5] = {-5, 26, 36, 46, 99 };
+
+  int result[10];
+  merge((int*)numbers1, (int*)numbers1 + 5, (int*)numbers2, (int*)numbers2 + 5, (int*)result);
+
+  CPPUNIT_ASSERT(result[0]==-5);
+  CPPUNIT_ASSERT(result[1]==1);
+  CPPUNIT_ASSERT(result[2]==6);
+  CPPUNIT_ASSERT(result[3]==13);
+  CPPUNIT_ASSERT(result[4]==25);
+  CPPUNIT_ASSERT(result[5]==26);
+  CPPUNIT_ASSERT(result[6]==36);
+  CPPUNIT_ASSERT(result[7]==46);
+  CPPUNIT_ASSERT(result[8]==99);
+  CPPUNIT_ASSERT(result[9]==101);
+}
+void MergeTest::merge1()
+{
+  vector<int> v1(5);
+  vector<int> v2(v1.size());
+  __iota(v1.begin(), v1.end(), 0);
+  __iota(v2.begin(), v2.end(), 3);
+
+  vector <int> result(v1.size() + v2.size());
+  merge(v1.begin(), v1.end(), v2.begin(), v2.end(), result.begin());
+
+  CPPUNIT_ASSERT(result[0]==0);
+  CPPUNIT_ASSERT(result[1]==1);
+  CPPUNIT_ASSERT(result[2]==2);
+  CPPUNIT_ASSERT(result[3]==3);
+  CPPUNIT_ASSERT(result[4]==3);
+  CPPUNIT_ASSERT(result[5]==4);
+  CPPUNIT_ASSERT(result[6]==4);
+  CPPUNIT_ASSERT(result[7]==5);
+  CPPUNIT_ASSERT(result[8]==6);
+  CPPUNIT_ASSERT(result[9]==7);
+
+}
+void MergeTest::merge2()
+{
+  vector <int> v1(5);
+  vector <int> v2(v1.size());
+  for (int i = 0; (size_t)i < v1.size(); ++i) {
+    v1[i] = 10 - i;
+    v2[i] =  7 - i;
+  }
+  vector<int> result(v1.size() + v2.size());
+  merge(v1.begin(), v1.end(), v2.begin(), v2.end(), result.begin(), greater<int>() );
+
+  CPPUNIT_ASSERT(result[0]==10);
+  CPPUNIT_ASSERT(result[1]==9);
+  CPPUNIT_ASSERT(result[2]==8);
+  CPPUNIT_ASSERT(result[3]==7);
+  CPPUNIT_ASSERT(result[4]==7);
+  CPPUNIT_ASSERT(result[5]==6);
+  CPPUNIT_ASSERT(result[6]==6);
+  CPPUNIT_ASSERT(result[7]==5);
+  CPPUNIT_ASSERT(result[8]==4);
+  CPPUNIT_ASSERT(result[9]==3);
+}