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Diffstat (limited to 'libstdc++-v3/testsuite/27_io/istream_extractor_arith/01.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/27_io/istream_extractor_arith/01.cc | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/istream_extractor_arith/01.cc b/libstdc++-v3/testsuite/27_io/istream_extractor_arith/01.cc new file mode 100644 index 00000000000..b2fdd2691e7 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/istream_extractor_arith/01.cc @@ -0,0 +1,134 @@ +// 1999-04-12 bkoz + +// Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// 27.6.1.2.2 arithmetic extractors + +#include <cstdio> // for printf +#include <istream> +#include <ostream> +#include <sstream> +#include <locale> +#include <testsuite_hooks.h> + +std::string str_01; +std::string str_02("true false 0 1 110001"); +std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5"); +std::string str_04("0123"); + +std::stringbuf isbuf_01(std::ios_base::in); +std::stringbuf isbuf_02(str_02, std::ios_base::in); +std::stringbuf isbuf_03(str_03, std::ios_base::in); +std::stringbuf isbuf_04(str_04, std::ios_base::in); + +std::istream is_01(NULL); +std::istream is_02(&isbuf_02); +std::istream is_03(&isbuf_03); +std::istream is_04(&isbuf_04); +std::stringstream ss_01(str_01); + +// minimal sanity check +bool test01() { + + bool test = true; + + // Integral Types: + bool b1 = false; + bool b2 = false; + short s1 = 0; + int i1 = 0; + long l1 = 0; + unsigned short us1 = 0; + unsigned int ui1 = 0; + unsigned long ul1 = 0; + + // Floating-point Types: + float f1 = 0; + double d1 = 0; + long double ld1 = 0; + + // process alphanumeric versions of bool values + std::ios_base::fmtflags fmt = is_02.flags(); + bool testfmt = fmt & std::ios_base::boolalpha; + is_02.setf(std::ios_base::boolalpha); + fmt = is_02.flags(); + testfmt = fmt & std::ios_base::boolalpha; + is_02 >> b1; + VERIFY( b1 == 1 ); + is_02 >> b1; + VERIFY( b1 == 0 ); + + // process numeric versions of of bool values + is_02.unsetf(std::ios_base::boolalpha); + fmt = is_02.flags(); + testfmt = fmt & std::ios_base::boolalpha; + is_02 >> b1; + VERIFY( b1 == 0 ); + is_02 >> b1; + VERIFY( b1 == 1 ); + + // is_03 == "-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5" + is_03 >> l1; + VERIFY( l1 == -19999999 ); + is_03 >> ul1; + VERIFY( ul1 == 777777 ); + is_03 >> i1; + VERIFY( i1 == -234234 ); + is_03 >> ui1; + VERIFY( ui1 == 233 ); + is_03 >> s1; + VERIFY( s1 == -234 ); + is_03 >> us1; + VERIFY( us1 == 33 ); + is_03 >> b1; + VERIFY( b1 == 1 ); + is_03 >> ld1; + VERIFY( ld1 == 66300.25 ); + is_03 >> d1; + VERIFY( d1 == .315 ); + is_03 >> f1; + VERIFY( f1 == 1.5 ); + + is_04 >> std::hex >> i1; + std::printf ("%d %d %d\n", i1, i1 == 0x123, test); + VERIFY( i1 == 0x123 ); + std::printf ("%d %d %d\n", i1, i1 == 0x123, test); + + // test void pointers + int i = 55; + void* po = &i; + void* pi; + + ss_01 << po; + ss_01 >> pi; + std::printf ("%x %x\n", pi, po); + VERIFY( po == pi ); + +#ifdef DEBUG_ASSERT + assert(test); +#endif + + return test; +} + +int main() +{ + test01(); + return 0; +} |