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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_filebuf/] [sputn/] [char/] [1-io.cc] - Rev 20
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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> // Copyright (C) 2001, 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 27.8.1.4 Overridden virtual functions #include <fstream> #include <testsuite_hooks.h> #include <testsuite_io.h> // @require@ %-*.tst %-*.txt // @diff@ %-*.tst %*.txt const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it const char name_03[] = "tmp_sputn_1io.tst"; // empty file, need to create void test05() { using namespace std; using namespace __gnu_test; typedef filebuf::int_type int_type; typedef filebuf::traits_type traits_type; typedef size_t size_type; bool test __attribute__((unused)) = true; streamsize strmsz_1, strmsz_2; // streamsize sputn(const char_typs* s, streamsize n) // write up to n chars to out_cur from s, returning number assigned // NB *sputn will happily put '\0' into your stream if you give it a chance* // in | out { constraint_filebuf fb_03; fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); VERIFY( !fb_03.write_position() ); VERIFY( !fb_03.read_position() ); strmsz_1 = fb_03.sputn("racadabras", 10);//"abracadabras or what?" VERIFY( strmsz_1 == 10 ); strmsz_2 = fb_03.sputn(", i wanna reach out and", 10); VERIFY( strmsz_2 == 10 ); VERIFY( strmsz_1 == strmsz_2 ); VERIFY( fb_03.write_position() ); VERIFY( !fb_03.read_position() ); } } int main() { test05(); return 0; }
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