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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_ostream / inserters_arithmetic / char / 3.cc
1 // 1999-11-15 Kevin Ediger <kediger@licor.com>
2 // test the floating point inserters (facet num_put)
3
4 // Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
10 // any later version.
11
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 // USA.
21
22 #include <sstream>
23 #include <limits>
24 #include <testsuite_hooks.h>
25
26 using namespace std;
27
28 template<typename T>
29 bool
30 test03_check(T n)
31 {
32 stringbuf strbuf;
33 ostream o(&strbuf);
34 const char *expect;
35 bool test = true;
36
37 if (numeric_limits<T>::digits + 1 == 16)
38 expect = "177777 ffff";
39 else if (numeric_limits<T>::digits + 1 == 32)
40 expect = "37777777777 ffffffff";
41 else if (numeric_limits<T>::digits + 1 == 64)
42 expect = "1777777777777777777777 ffffffffffffffff";
43 else
44 expect = "wow, you've got some big numbers here";
45
46 o << oct << n << ' ' << hex << n;
47 VERIFY ( strbuf.str() == expect );
48
49 return test;
50 }
51
52 void
53 test03()
54 {
55 short s = -1;
56 int i = -1;
57 long l = -1;
58
59 test03_check (s);
60 test03_check (i);
61 test03_check (l);
62 }
63
64 int
65 main()
66 {
67 test03();
68 return 0;
69 }