libstdc++-v3/testsuite/26_numerics/numeric_arrays/slice_array_assignment.cc

   1 // 20010613 gdr
   2
   3 // Copyright (C) 2001, 2002, 2003 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 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30
  31 // This is DR-253.  Test for accessible assignment-operators.
  32 #include <valarray>
  33 #include <testsuite_hooks.h>
  34
  35 int main()
  36 {
  37   bool test __attribute__((unused)) = true;
  38   using std::valarray;
  39   using std::slice;
  40   valarray<int> v(1, 10), w(2, 10);
  41
  42   w[slice(0, 3, 3)] = v[slice(2, 3, 3)];
  43
  44   VERIFY(v[0] == 1 && w[0] == 1);
  45   VERIFY(v[3] == 1 && w[3] == 1);
  46   VERIFY(v[6] == 1 && w[6] == 1);
  47
  48   std::slice_array<int> t = v[slice(0, 10, 1)];
  49
  50   return 0;
  51 }