1 // 2006-07-15  Paolo Carlini  <pcarlini@suse.de>
2 
3 // Copyright (C) 2006-2021 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 3, 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 COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 // { dg-options "-DMAX_SIZE=5000" { target simulator } }
21 
22 #ifndef MAX_SIZE
23 #define MAX_SIZE 5000000
24 #endif
25 
26 #include <valarray>
27 #include <testsuite_hooks.h>
28 
29 // libstdc++/28277
test01()30 void test01()
31 {
32   const std::valarray<int> v1(1, MAX_SIZE);
33 
34   const std::valarray<int> v2 = v1.shift(1);
35   VERIFY( v2.size() == v1.size() );
36   VERIFY( v2[v1.size() - 1] == 0 );
37 
38   const std::valarray<int> v3 = v2.cshift(-1);
39   VERIFY( v3.size() == v2.size() );
40   VERIFY( v3[0] == 0 );
41 }
42 
main()43 int main()
44 {
45   test01();
46   return 0;
47 }
48