// Copyright (C) 2004, 2009, 2010 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 3, 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 COPYING3. If not see // . // 27.6.1.2.2 arithmetic extractors #include // for printf #include #include #include #include std::wstring str_01; std::wstring str_02(L"true false 0 1 110001"); std::wstring str_03(L"-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5"); std::wstring str_04(L"0123"); std::wstringbuf isbuf_01(std::ios_base::in); std::wstringbuf isbuf_02(str_02, std::ios_base::in); std::wstringbuf isbuf_03(str_03, std::ios_base::in); std::wstringbuf isbuf_04(str_04, std::ios_base::in); std::wistream is_01(0); std::wistream is_02(&isbuf_02); std::wistream is_03(&isbuf_03); std::wistream is_04(&isbuf_04); std::wstringstream ss_01(str_01); // minimal sanity check bool test01() { bool test __attribute__((unused)) = true; // Integral Types: bool b1 = 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 is_02.setf(std::ios_base::boolalpha); is_02.flags(); 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); is_02.flags(); 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 ("%p %p\n", pi, po); VERIFY( po == pi ); return test; } int main() { test01(); return 0; }