genericopenlibs/cppstdlib/stl/test/unit/equal_test.cpp
changeset 31 ce057bb09d0b
child 34 5fae379060a7
equal deleted inserted replaced
30:e20de85af2ee 31:ce057bb09d0b
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 #include <vector>
       
    18 #include <algorithm>
       
    19 #include <functional>
       
    20 #include "cppunit/cppunit_proxy.h"
       
    21 
       
    22 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
       
    23 using namespace std;
       
    24 #endif
       
    25 
       
    26 //
       
    27 // TestCase class
       
    28 //
       
    29 class EqualTest : public CPPUNIT_NS::TestCase
       
    30 {
       
    31   CPPUNIT_TEST_SUITE(EqualTest);
       
    32   CPPUNIT_TEST(equal_range0);
       
    33   CPPUNIT_TEST(equal_range1);
       
    34   CPPUNIT_TEST(equal_range2);
       
    35   CPPUNIT_TEST(equal0);
       
    36   CPPUNIT_TEST(equal1);
       
    37   CPPUNIT_TEST(equal2);
       
    38   CPPUNIT_TEST(equalto);
       
    39   CPPUNIT_TEST_SUITE_END();
       
    40 
       
    41 protected:
       
    42   void equal_range0();
       
    43   void equal_range1();
       
    44   void equal_range2();
       
    45   void equal0();
       
    46   void equal1();
       
    47   void equal2();
       
    48   void equalto();
       
    49   static bool values_squared(int a_, int b_);
       
    50 };
       
    51 
       
    52 CPPUNIT_TEST_SUITE_REGISTRATION(EqualTest);
       
    53 
       
    54 //
       
    55 // tests implementation
       
    56 //
       
    57 void EqualTest::equal_range0()
       
    58 {
       
    59   int numbers[10] = { 0, 0, 1, 1, 2, 2, 2, 2, 3, 3 };
       
    60   pair<int*, int*> range = equal_range((int*)numbers, (int*)numbers + 10, 2);
       
    61   CPPUNIT_ASSERT( (range.first - numbers) == 4 );
       
    62   CPPUNIT_ASSERT( (range.second - numbers) == 8 );
       
    63 }
       
    64 
       
    65 void EqualTest::equal_range1()
       
    66 {
       
    67   typedef vector <int> IntVec;
       
    68   IntVec v(10);
       
    69   for (int i = 0; (size_t)i < v.size(); ++i)
       
    70     v[i] = i / 3;
       
    71 
       
    72   pair<IntVec::iterator, IntVec::iterator> range = equal_range(v.begin(), v.end(), 2);
       
    73   CPPUNIT_ASSERT( (range.first - v.begin()) == 6 );
       
    74   CPPUNIT_ASSERT( (range.second - v.begin()) == 9 );
       
    75   for (; range.first != range.second; ++range.first)
       
    76     CPPUNIT_ASSERT( *range.first == 2 );
       
    77 
       
    78   range = equal_range(v.begin(), v.end(), 4);
       
    79   CPPUNIT_ASSERT( range.first == range.second );
       
    80   CPPUNIT_ASSERT( range.first == v.end() );
       
    81 }
       
    82 
       
    83 struct Test {
       
    84   Test(int val) : value(val) {}
       
    85   int value;
       
    86 
       
    87   bool operator == (int i) const
       
    88   { return value == i; }
       
    89 };
       
    90 
       
    91 bool operator < (const Test& v1, int v2)
       
    92 { return v1.value < v2; }
       
    93 
       
    94 bool operator < (int v1, const Test& v2)
       
    95 { return v1 < v2.value; }
       
    96 
       
    97 void EqualTest::equal_range2()
       
    98 {
       
    99   char chars[] = "aabbccddggghhklllmqqqqssyyzz";
       
   100 
       
   101   const unsigned count = sizeof(chars) - 1;
       
   102   pair<char*, char*> range = equal_range((char*)chars, (char*)chars + count, 'q', less<char>());
       
   103   CPPUNIT_ASSERT( (range.first - chars) == 18 );
       
   104   CPPUNIT_ASSERT( (range.second - chars) == 22 );
       
   105   for (; range.first != range.second; ++range.first)
       
   106     CPPUNIT_ASSERT( *range.first == 'q' );
       
   107 
       
   108   range = equal_range((char*)chars, (char*)chars + count, 'm', less<char>());
       
   109   CPPUNIT_ASSERT( (range.second - range.first) == 1 );
       
   110   CPPUNIT_ASSERT( *range.first == 'm' );
       
   111 
       
   112   vector<Test> tv;
       
   113   vector<Test>::iterator it;
       
   114   pair<vector<Test>::iterator, vector<Test>::iterator> p;
       
   115 
       
   116   for (int i = 0; i < 10; ++i) {
       
   117     tv.push_back(i);
       
   118   }
       
   119 
       
   120   it = upper_bound(tv.begin(), tv.end(), 5);
       
   121   CPPUNIT_ASSERT( it != tv.end() );
       
   122   CPPUNIT_ASSERT( *it == 6 );
       
   123 
       
   124   it = lower_bound(tv.begin(), tv.end(), 5);
       
   125   CPPUNIT_ASSERT( it != tv.end() );
       
   126   CPPUNIT_ASSERT( *it == 5 );
       
   127 
       
   128   p = equal_range(tv.begin(), tv.end(), 5);
       
   129   CPPUNIT_ASSERT( p.first != p.second );
       
   130   CPPUNIT_ASSERT( p.first != tv.end() );
       
   131   CPPUNIT_ASSERT( p.second != tv.end() );
       
   132   CPPUNIT_ASSERT( *p.first == 5 );
       
   133   CPPUNIT_ASSERT( *p.second == 6 );
       
   134 }
       
   135 
       
   136 void EqualTest::equal0()
       
   137 {
       
   138   int numbers1[5] = { 1, 2, 3, 4, 5 };
       
   139   int numbers2[5] = { 1, 2, 4, 8, 16 };
       
   140   int numbers3[2] = { 1, 2 };
       
   141 
       
   142   CPPUNIT_ASSERT( !equal(numbers1, numbers1 + 5, numbers2) );
       
   143   CPPUNIT_ASSERT( equal(numbers3, numbers3 + 2, numbers1) );
       
   144 }
       
   145 
       
   146 void EqualTest::equal1()
       
   147 {
       
   148   vector <int> v1(10);
       
   149   for (int i = 0; (size_t)i < v1.size(); ++i)
       
   150     v1[i] = i;
       
   151   vector <int> v2(10);
       
   152   CPPUNIT_ASSERT( !equal(v1.begin(), v1.end(), v2.begin()) );
       
   153 
       
   154   copy(v1.begin(), v1.end(), v2.begin());
       
   155   CPPUNIT_ASSERT( equal(v1.begin(), v1.end(), v2.begin()) )
       
   156 }
       
   157 
       
   158 void EqualTest::equal2()
       
   159 {
       
   160   vector <int> v1(10);
       
   161   vector <int> v2(10);
       
   162   for (int i = 0; (size_t)i < v1.size(); ++i) {
       
   163     v1[i] = i;
       
   164     v2[i] = i * i;
       
   165   }
       
   166   CPPUNIT_ASSERT( equal(v1.begin(), v1.end(), v2.begin(), values_squared) );
       
   167 }
       
   168 
       
   169 void EqualTest::equalto()
       
   170 {
       
   171   int input1 [4] = { 1, 7, 2, 2 };
       
   172   int input2 [4] = { 1, 6, 2, 3 };
       
   173 
       
   174   int output [4];
       
   175   transform((int*)input1, (int*)input1 + 4, (int*)input2, (int*)output, equal_to<int>());
       
   176   CPPUNIT_ASSERT( output[0] == 1 );
       
   177   CPPUNIT_ASSERT( output[1] == 0 );
       
   178   CPPUNIT_ASSERT( output[2] == 1 );
       
   179   CPPUNIT_ASSERT( output[3] == 0 );
       
   180 }
       
   181 
       
   182 bool EqualTest::values_squared(int a_, int b_)
       
   183 {
       
   184   return (a_ * a_ == b_);
       
   185 }