old-autovect-branch/libstdc++-v3/testsuite/tr1/6_containers/tuple/cons/big_tuples.cc

   1 // 2004-09-23 Chris Jefferson <chris@bubblescope.net>
   2
   3 // Copyright (C) 2004 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // Tuple
  22
  23 #include <tr1/tuple>
  24 #include <testsuite_hooks.h>
  25
  26 using namespace std;
  27 using namespace tr1;
  28
  29 // A simple class without conversions to check some things
  30 struct foo
  31 { };
  32
  33 void
  34 test_constructors()
  35 {
  36   int x1=0,x2=0;
  37   const int &z1=x1;
  38
  39   // Test empty constructor
  40   tuple<> ta;
  41   tuple<int,int> tb;
  42   // Test construction from values
  43   tuple<int,int> tc(x1,x2);
  44   tuple<int,int&> td(x1,x2);
  45   tuple<const int&> te(z1);
  46   x1=1;
  47   x2=1;
  48   VERIFY(get<0>(td) == 0 && get<1>(td) == 1 && get<0>(te) == 1);
  49
  50   // Test identical tuple copy constructor
  51   tuple<int,int> tf(tc);
  52   tuple<int,int> tg(td);
  53   tuple<const int&> th(te);
  54   // Test different tuple copy constructor
  55   tuple<int,double> ti(tc);
  56   tuple<int,double> tj(td);
  57   // Test constructing from a pair
  58   pair<int,int> pair1(1,1);
  59   const pair<int,int> pair2(pair1);
  60   tuple<int,int> tl(pair1);
  61   tuple<int,const int&> tm(pair1);
  62   tuple<int,int> tn(pair2);
  63   tuple<int,const int&> to(pair2);
  64 }
  65
  66 int
  67 main(void)
  68 {
  69   //test construction
  70   typedef tuple<int,int,int,int,int,int,int,int,int,int> type1;
  71   type1 a(0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
  72   type1 b(0, 0, 0, 0, 0, 0, 0, 0, 0, 2);
  73   type1 c(a);
  74   typedef tuple<int,int,int,int,int,int,int,int,int,char> type2;
  75   type2 d(0, 0, 0, 0, 0, 0, 0, 0, 0, 3);
  76   type1 e(d);
  77   typedef tuple<foo,int,int,int,int,int,int,int,int,foo> type3;
  78   // get
  79   VERIFY(get<9>(a)==1 && get<9>(b)==2);
  80   // comparisons
  81   VERIFY(a==a && !(a!=a) && a<=a && a>=a && !(a<a) && !(a>a));
  82   VERIFY(!(a==b) && a!=b && a<=b && a<b && !(a>=b) && !(a>b));
  83   //tie
  84   {
  85     int i = 0;
  86   tie(ignore, ignore, ignore, ignore, ignore, ignore, ignore, ignore,
  87       ignore, i) = a;
  88   VERIFY(i == 1);
  89   }
  90   //test_assignment
  91   a=d;
  92   a=b;
  93   //make_tuple
  94   make_tuple(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
  95
  96   //tuple_size
  97   VERIFY(tuple_size<type3>::value == 10);
  98   //tuple_element
  99   {
 100     foo q1;
 101     tuple_element<0,type3>::type q2(q1);
 102     tuple_element<9,type3>::type q3(q1);
 103   }
 104
 105 }
 106