libs/multi_index/test/test_copy_assignment.cpp

   1 /* Boost.MultiIndex test for copying and assignment.
   2  *
   3  * Copyright 2003-2013 Joaquin M Lopez Munoz.
   4  * Distributed under the Boost Software License, Version 1.0.
   5  * (See accompanying file LICENSE_1_0.txt or copy at
   6  * http://www.boost.org/LICENSE_1_0.txt)
   7  *
   8  * See http://www.boost.org/libs/multi_index for library home page.
   9  */
  10
  11 #include "test_copy_assignment.hpp"
  12
  13 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
  14 #include <algorithm>
  15 #include <boost/move/utility.hpp>
  16 #include <list>
  17 #include <numeric>
  18 #include <vector>
  19 #include "pre_multi_index.hpp"
  20 #include "employee.hpp"
  21 #include <boost/detail/lightweight_test.hpp>
  22
  23 using namespace boost::multi_index;
  24
  25 #if BOOST_WORKAROUND(__MWERKS__,<=0x3003)
  26 /* The "ISO C++ Template Parser" option makes CW8.3 incorrectly fail at
  27  * expressions of the form sizeof(x) where x is an array local to a
  28  * template function.
  29  */
  30
  31 #pragma parse_func_templ off
  32 #endif
  33
  34 typedef multi_index_container<int> copyable_and_movable;
  35
  36 struct holder
  37 {
  38   copyable_and_movable c;
  39 };
  40
  41 template<typename Sequence>
  42 static void test_assign()
  43 {
  44   Sequence s;
  45
  46   int a[]={0,1,2,3,4,5};
  47   std::size_t sa=sizeof(a)/sizeof(a[0]);
  48
  49   s.assign(&a[0],&a[sa]);
  50   BOOST_TEST(s.size()==sa&&std::equal(s.begin(),s.end(),&a[0]));
  51
  52   s.assign((const int*)(&a[0]),(const int*)(&a[sa]));
  53   BOOST_TEST(s.size()==sa&&std::equal(s.begin(),s.end(),&a[0]));
  54
  55 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
  56   s.assign({0,1,2,3,4,5});
  57 #else
  58   s.assign(&a[0],&a[sa]);
  59 #endif
  60
  61   BOOST_TEST(s.size()==sa&&std::equal(s.begin(),s.end(),&a[0]));
  62
  63   s.assign((std::size_t)18,37);
  64   BOOST_TEST(s.size()==18&&std::accumulate(s.begin(),s.end(),0)==666);
  65
  66   s.assign((std::size_t)12,167);
  67   BOOST_TEST(s.size()==12&&std::accumulate(s.begin(),s.end(),0)==2004);
  68 }
  69
  70 #if BOOST_WORKAROUND(__MWERKS__,<=0x3003)
  71 #pragma parse_func_templ reset
  72 #endif
  73
  74 template<typename Sequence>
  75 static void test_integral_assign()
  76 {
  77   /* Special cases described in 23.1.1/9: integral types must not
  78    * be taken as iterators in assign(f,l) and insert(p,f,l).
  79    */
  80
  81   Sequence s;
  82
  83   s.assign(5,10);
  84   BOOST_TEST(s.size()==5&&std::accumulate(s.begin(),s.end(),0)==50);
  85   s.assign(2u,5u);
  86   BOOST_TEST(s.size()==2&&std::accumulate(s.begin(),s.end(),0)==10);
  87
  88   s.clear();
  89   s.insert(s.begin(),5,10);
  90   BOOST_TEST(s.size()==5&&std::accumulate(s.begin(),s.end(),0)==50);
  91   s.insert(s.begin(),2u,5u);
  92   BOOST_TEST(s.size()==7&&std::accumulate(s.begin(),s.end(),0)==60);
  93 }
  94
  95 employee_set produce_employee_set()
  96 {
  97   employee_set es;
  98   es.insert(employee(0,"Petr",60,2837));
  99   es.insert(employee(1,"Jiri",25,2143));
 100   es.insert(employee(2,"Radka",40,4875));
 101   es.insert(employee(3,"Milan",38,3474));
 102   return es;
 103 }
 104
 105 void test_copy_assignment()
 106 {
 107   employee_set es;
 108   employee_set es2(es);
 109
 110   employee_set::allocator_type al=es.get_allocator();
 111   al=get<1>(es).get_allocator();
 112   al=get<2>(es).get_allocator();
 113   al=get<3>(es).get_allocator();
 114   al=get<4>(es).get_allocator();
 115   al=get<5>(es).get_allocator();
 116
 117   BOOST_TEST(es2.empty());
 118
 119   es2.insert(employee(0,"Joe",31,1123));
 120   es2.insert(employee(1,"Robert",27,5601));
 121   es2.insert(employee(2,"John",40,7889));
 122   es2.insert(employee(2,"Aristotle",2388,3357)); /* clash */
 123   es2.insert(employee(3,"Albert",20,9012));
 124   es2.insert(employee(4,"John",57,1002));
 125   es2.insert(employee(0,"Andrew",60,2302));      /* clash */
 126
 127   employee_set es3(es2);
 128
 129   BOOST_TEST(es2==es3);
 130   BOOST_TEST(get<2>(es2)==get<2>(es3));
 131   BOOST_TEST(get<3>(es2)==get<3>(es3));
 132   BOOST_TEST(get<5>(es2)==get<5>(es3));
 133
 134   employee_set es4=employee_set(non_std_allocator<employee>());
 135   employee_set_by_name& i1=get<name>(es4);
 136   i1=get<1>(es2);
 137
 138   BOOST_TEST(es4==es2);
 139
 140   employee_set es5=employee_set(employee_set::ctor_args_list());
 141   employee_set_by_age& i2=get<age>(es5);
 142   i2=get<2>(es2);
 143
 144   BOOST_TEST(i2==get<2>(es2));
 145
 146   employee_set es6;
 147   employee_set_as_inserted& i3=get<as_inserted>(es6);
 148   i3=get<3>(es2);
 149
 150   BOOST_TEST(i3==get<3>(es2));
 151
 152   employee_set es7;
 153   employee_set_randomly& i5=get<randomly>(es7);
 154   i5=get<5>(es2);
 155
 156   BOOST_TEST(i5==get<5>(es2));
 157
 158 #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
 159   employee_set es8({{0,"Rose",40,4512},{1,"Mary",38,3345},{2,"Jo",25,7102}});
 160   employee_set es9;
 161   es9={{0,"Rose",40,4512},{1,"Mary",38,3345},{2,"Jo",25,7102},
 162        {0,"Rose",40,4512}};
 163
 164   BOOST_TEST(es8.size()==3);
 165   BOOST_TEST(es9==es8);
 166
 167   es9.clear();
 168   get<0>(es9)={{0,"Rose",40,4512},{1,"Mary",38,3345},{2,"Jo",25,7102},
 169                {0,"Rose",40,4512}};
 170   BOOST_TEST(es9==es8);
 171
 172   es9.clear();
 173   get<0>(es9)={{0,"Rose",40,4512},{2,"Jo",25,7102},{1,"Mary",38,3345}};
 174   BOOST_TEST(es9==es8);
 175
 176   es9.clear();
 177   get<1>(es9)={{1,"Mary",38,3345},{0,"Rose",40,4512},{2,"Jo",25,7102},
 178                {0,"Rose",40,4512}};
 179   BOOST_TEST(es9==es8);
 180
 181   es9.clear();
 182   get<2>(es9)={{2,"Jo",25,7102},{0,"Rose",40,4512},{1,"Mary",38,3345}};
 183   BOOST_TEST(es9==es8);
 184
 185   es9.clear();
 186   get<3>(es9)={{0,"Rose",40,4512},{1,"Mary",38,3345},{1,"Mary",38,3345},
 187                {2,"Jo",25,7102}};
 188   BOOST_TEST(es9==es8);
 189
 190   es9.clear();
 191   get<4>(es9)={{1,"Mary",38,3345},{2,"Jo",25,7102},{0,"Rose",40,4512}};
 192   BOOST_TEST(es9==es8);
 193
 194   es9.clear();
 195   get<5>(es9)={{1,"Mary",38,3345},{2,"Jo",25,7102},{0,"Rose",40,4512},
 196                {2,"Jo",25,7102}};
 197   BOOST_TEST(es9==es8);
 198 #endif
 199
 200   employee_set es10(produce_employee_set()),es11(produce_employee_set());
 201   BOOST_TEST(es10==es11);
 202
 203   employee_set es12(boost::move(es10));
 204   BOOST_TEST(es10.empty());
 205   BOOST_TEST(es11==es12);
 206
 207   es10=boost::move(es12);
 208   BOOST_TEST(es12.empty());
 209   BOOST_TEST(es11==es10);
 210
 211   std::list<employee> l;
 212   l.push_back(employee(3,"Anna",31,5388));
 213   l.push_back(employee(1,"Rachel",27,9012));
 214   l.push_back(employee(2,"Agatha",40,1520));
 215
 216   employee_set es13(l.begin(),l.end());
 217
 218   l.sort();
 219
 220   BOOST_TEST(es13.size()==l.size()&&
 221               std::equal(es13.begin(),es13.end(),l.begin()));
 222
 223   test_assign<multi_index_container<int,indexed_by<sequenced<> > > >();
 224   test_integral_assign<
 225     multi_index_container<int,indexed_by<sequenced<> > > >();
 226
 227   test_assign<multi_index_container<int,indexed_by<random_access<> > > >();
 228   test_integral_assign<
 229     multi_index_container<int,indexed_by<random_access<> > > >();
 230
 231   /* Testcase for problem described at  http://www.boost.org/doc/html/move/
 232    * emulation_limitations.html#move.emulation_limitations.assignment_operator
 233    */
 234
 235   holder h((holder()));
 236   h=holder();
 237 }