genericopenlibs/cppstdlib/stl/test/unit/partial_test.cpp
changeset 31 ce057bb09d0b
child 34 5fae379060a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/stl/test/unit/partial_test.cpp	Fri Jun 04 16:20:51 2010 +0100
@@ -0,0 +1,264 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+#include <numeric>
+#include <vector>
+#include <algorithm>
+#include <functional>
+
+#if defined (STLPORT) && defined (_STLP_DEBUG) && defined (_STLP_DEBUG_MODE_THROWS)
+#  define _STLP_DO_CHECK_BAD_PREDICATE
+#  include <stdexcept>
+#endif
+
+#include "iota.h"
+#include "cppunit/cppunit_proxy.h"
+
+#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
+using namespace std;
+#endif
+
+//
+// TestCase class
+//
+class PartialTest : public CPPUNIT_NS::TestCase
+{
+  CPPUNIT_TEST_SUITE(PartialTest);
+  CPPUNIT_TEST(parsrt0);
+  CPPUNIT_TEST(parsrt1);
+  CPPUNIT_TEST(parsrt2);
+  CPPUNIT_TEST(parsrtc0);
+  CPPUNIT_TEST(parsrtc1);
+  CPPUNIT_TEST(parsrtc2);
+#if defined (_STLP_DO_CHECK_BAD_PREDICATE)
+  CPPUNIT_TEST(bad_predicate_detected);
+#endif
+  CPPUNIT_TEST(partsum0);
+  CPPUNIT_TEST(partsum1);
+  CPPUNIT_TEST(partsum2);
+  CPPUNIT_TEST_SUITE_END();
+
+protected:
+  void parsrt0();
+  void parsrt1();
+  void parsrt2();
+  void parsrtc0();
+  void parsrtc1();
+  void parsrtc2();
+  void partsum0();
+  void partsum1();
+  void partsum2();
+  void bad_predicate_detected();
+
+  static bool str_compare(const char* a_, const char* b_)
+  {
+    return strcmp(a_, b_) < 0 ? 1 : 0;
+  }
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(PartialTest);
+
+//
+// tests implementation
+//
+void PartialTest::parsrt0()
+{
+  int numbers[6] = { 5, 2, 4, 3, 1, 6 };
+
+  partial_sort((int*)numbers, (int*)numbers + 3, (int*)numbers + 6);
+
+  // 1 2 3 5 4 6
+  CPPUNIT_ASSERT(numbers[0]==1);
+  CPPUNIT_ASSERT(numbers[1]==2);
+  CPPUNIT_ASSERT(numbers[2]==3);
+  CPPUNIT_ASSERT(numbers[3]==5);
+  CPPUNIT_ASSERT(numbers[4]==4);
+  CPPUNIT_ASSERT(numbers[5]==6);
+}
+
+void PartialTest::parsrt1()
+{
+  // 8 8 5 3 7 6 5 3 2 4
+  // 2 3 3 4 5 8 8 7 6 5
+  int numbers[10] ={ 8, 8, 5, 3, 7, 6, 5, 3, 2, 4 };
+
+  vector <int> v1(numbers, numbers+10);
+  partial_sort(v1.begin(), v1.begin() + v1.size() / 2, v1.end());
+
+  CPPUNIT_ASSERT(v1[0]==2);
+  CPPUNIT_ASSERT(v1[1]==3);
+  CPPUNIT_ASSERT(v1[2]==3);
+  CPPUNIT_ASSERT(v1[3]==4);
+  CPPUNIT_ASSERT(v1[4]==5);
+  CPPUNIT_ASSERT(v1[5]==8);
+  CPPUNIT_ASSERT(v1[6]==8);
+  CPPUNIT_ASSERT(v1[7]==7);
+  CPPUNIT_ASSERT(v1[8]==6);
+  CPPUNIT_ASSERT(v1[9]==5);
+}
+
+void PartialTest::parsrt2()
+{
+  char const* names[] = { "aa", "ff", "dd", "ee", "cc", "bb" };
+
+  const unsigned nameSize = sizeof(names) / sizeof(names[0]);
+  vector <char const*> v1(nameSize);
+  for(size_t i = 0; i < v1.size(); i++)
+    v1[i] = names[i];
+
+  partial_sort(v1.begin(), v1.begin() + nameSize / 2, v1.end(), str_compare);
+
+  // aa bb cc ff ee dd
+  CPPUNIT_ASSERT( strcmp(v1[0], "aa") == 0 );
+  CPPUNIT_ASSERT( v1[0] == names[0] );
+  CPPUNIT_ASSERT( strcmp(v1[1], "bb") == 0 );
+  CPPUNIT_ASSERT( v1[1] == names[5] );
+  CPPUNIT_ASSERT( strcmp(v1[2], "cc") == 0 );
+  CPPUNIT_ASSERT( v1[2] == names[4] );
+  CPPUNIT_ASSERT( strcmp(v1[3], "ff") == 0 );
+  CPPUNIT_ASSERT( v1[3] == names[1] );
+  CPPUNIT_ASSERT( strcmp(v1[4], "ee") == 0 );
+  CPPUNIT_ASSERT( v1[4] == names[3] );
+  CPPUNIT_ASSERT( strcmp(v1[5], "dd") == 0 );
+  CPPUNIT_ASSERT( v1[5] == names[2] );
+}
+
+void PartialTest::parsrtc0()
+{
+  int numbers[6] = { 5, 2, 4, 3, 1, 6 };
+
+  int result[3];
+  partial_sort_copy((int*)numbers, (int*)numbers + 6, (int*)result, (int*)result + 3);
+  //1 2 3
+  CPPUNIT_ASSERT(result[0]==1);
+  CPPUNIT_ASSERT(result[1]==2);
+  CPPUNIT_ASSERT(result[2]==3);
+}
+
+void PartialTest::parsrtc1()
+{
+  int numbers[10] ={ 3, 0, 4, 3, 2, 8, 2, 7, 7, 5 };
+
+  //3 0 4 3 2 8 2 7 7 5
+  //0 2 2 3 3
+
+  vector <int> v1(numbers, numbers+10);
+  vector <int> result(5);
+
+  partial_sort_copy(v1.begin(), v1.end(), result.begin(), result.end());
+  CPPUNIT_ASSERT(result[0]==0);
+  CPPUNIT_ASSERT(result[1]==2);
+  CPPUNIT_ASSERT(result[2]==2);
+  CPPUNIT_ASSERT(result[3]==3);
+  CPPUNIT_ASSERT(result[4]==3);
+}
+
+void PartialTest::parsrtc2()
+{
+  char const* names[] = { "aa", "ff", "dd", "ee", "cc", "bb" };
+
+  const unsigned nameSize = sizeof(names) / sizeof(names[0]);
+  vector <char const*> v1(nameSize);
+  for(size_t i = 0; i < v1.size(); i++)
+    v1[i] = names[i];
+  vector <char const*> result(3);
+  partial_sort_copy(v1.begin(), v1.end(), result.begin(), result.end(), str_compare);
+
+  // aa bb cc
+  CPPUNIT_ASSERT( strcmp( result[0], "aa" ) == 0 );
+  CPPUNIT_ASSERT( result[0] == names[0] );
+  CPPUNIT_ASSERT( strcmp( result[1], "bb" ) == 0 );
+  CPPUNIT_ASSERT( result[1] == names[5] );
+  CPPUNIT_ASSERT( strcmp( result[2], "cc" ) == 0 );
+  CPPUNIT_ASSERT( result[2] == names[4] );
+}
+
+#if defined (_STLP_DO_CHECK_BAD_PREDICATE)
+void PartialTest::bad_predicate_detected()
+{
+  int numbers[] = { 0, 0, 1, 0, 0, 1, 0, 0 };
+  const size_t s = sizeof(numbers) / sizeof(numbers[0]);
+
+  try {
+    partial_sort(numbers, numbers + s / 2, numbers + s, less_equal<int>());
+
+    //Here is means that no exception has been raised
+    CPPUNIT_ASSERT( false );
+  }
+  catch (runtime_error const&)
+  { /*OK bad predicate has been detected.*/ }
+
+  try {
+    vector<int> result(s);
+    partial_sort_copy(numbers, numbers + s, result.begin(), result.end(), less_equal<int>());
+
+    //Here is means that no exception has been raised
+    CPPUNIT_ASSERT( false );
+  }
+  catch (runtime_error const&)
+  { /*OK bad predicate has been detected.*/ }
+}
+#endif
+
+void PartialTest::partsum0()
+{
+  int numbers[6] = { 1, 2, 3, 4, 5, 6 };
+
+  int result[6];
+  partial_sum((int*)numbers, (int*)numbers + 6, (int*)result);
+
+  // 1 3 6 10 15 21
+  CPPUNIT_ASSERT(result[0]==1);
+  CPPUNIT_ASSERT(result[1]==3);
+  CPPUNIT_ASSERT(result[2]==6);
+  CPPUNIT_ASSERT(result[3]==10);
+  CPPUNIT_ASSERT(result[4]==15);
+  CPPUNIT_ASSERT(result[5]==21);
+}
+
+void PartialTest::partsum1()
+{
+  vector <int> v1(10);
+  __iota(v1.begin(), v1.end(), 0);
+  vector <int> v2(v1.size());
+  partial_sum(v1.begin(), v1.end(), v2.begin());
+
+  // 0 1 3 6 10 15 21 28 36 45
+  CPPUNIT_ASSERT(v2[0]==0);
+  CPPUNIT_ASSERT(v2[1]==1);
+  CPPUNIT_ASSERT(v2[2]==3);
+  CPPUNIT_ASSERT(v2[3]==6);
+  CPPUNIT_ASSERT(v2[4]==10);
+  CPPUNIT_ASSERT(v2[5]==15);
+  CPPUNIT_ASSERT(v2[6]==21);
+  CPPUNIT_ASSERT(v2[7]==28);
+  CPPUNIT_ASSERT(v2[8]==36);
+  CPPUNIT_ASSERT(v2[9]==45);
+}
+
+void PartialTest::partsum2()
+{
+  vector <int> v1(5);
+  __iota(v1.begin(), v1.end(), 1);
+  vector <int> v2(v1.size());
+  partial_sum(v1.begin(), v1.end(), v2.begin(), multiplies<int>());
+  // 1 2 6 24 120
+  CPPUNIT_ASSERT(v2[0]==1);
+  CPPUNIT_ASSERT(v2[1]==2);
+  CPPUNIT_ASSERT(v2[2]==6);
+  CPPUNIT_ASSERT(v2[3]==24);
+  CPPUNIT_ASSERT(v2[4]==120);
+}