1 // Copyright (C) 2005 Free Software Foundation, Inc.
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 2, or (at your option)
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.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 #include <cstdio> // for swprintf
24 #include <testsuite_hooks.h>
30 bool test
__attribute__((unused
)) = true;
32 // make sure we can output a very long float
33 long double val
= 1.2345678901234567890123456789e+1000L;
34 int prec
= numeric_limits
<long double>::digits10
;
38 os
.setf(wios::scientific
);
41 wchar_t largebuf
[512];
42 swprintf(largebuf
, 512, L
"%.*Le", prec
, val
);
43 #ifdef TEST_NUMPUT_VERBOSE
44 cout
<< "expect: " << largebuf
<< endl
;
45 cout
<< "result: " << os
.str() << endl
;
47 VERIFY( os
&& os
.str() == largebuf
);
49 // Make sure we can output a long float in fixed format
50 // without seg-faulting (libstdc++/4402)
51 double val2
= 3.5e230
;
55 os2
.setf(wios::fixed
);
58 swprintf(largebuf
, 512, L
"%.*f", 3, val2
);
59 #ifdef TEST_NUMPUT_VERBOSE
60 cout
<< "expect: " << largebuf
<< endl
;
61 cout
<< "result: " << os2
.str() << endl
;
63 VERIFY( os2
&& os2
.str() == largebuf
);