libstdc++-v3/testsuite/26_numerics/valarray/dr630-1.cc

   1 // Copyright (C) 2009-2023 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 #include <valarray>
  19 #include <testsuite_hooks.h>
  20
  21 // DR 630.
  22 void test01()
  23 {
  24   using namespace std;
  25
  26   valarray<int> v1;
  27   const valarray<int> v2(-1, 10000);
  28
  29   v1 = v2;
  30   VERIFY( v1.size() == v2.size() );
  31   VERIFY( (v1 == v2).min() == true );
  32
  33   valarray<int> v3(0, 10000);
  34   const valarray<int> v4;
  35
  36   v3 = v4;
  37   VERIFY( v3.size() == v4.size() );
  38   VERIFY( v3.size() == 0 );
  39
  40   valarray<int> v5(0, 100);
  41   const valarray<int> v6(-1, 10000);
  42
  43   v5 = v6;
  44   VERIFY( v5.size() == v6.size() );
  45   VERIFY( (v5 == v6).min() == true );
  46
  47   valarray<int> v7(0, 10000);
  48   const valarray<int> v8(-1, 100);
  49
  50   v7 = v8;
  51   VERIFY( v7.size() == v8.size() );
  52   VERIFY( (v7 == v8).min() == true );
  53 }
  54
  55 int main()
  56 {
  57   test01();
  58   return 0;
  59 }