// 2001-05-21 Benjamin Kosnik // Copyright (C) 2001, 2002, 2003, 2009 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 // . // 27.8.1.4 Overridden virtual functions // { dg-require-fileio "" } #include #include #include // @require@ %-*.tst %-*.txt // @diff@ %-*.tst %*.txt const char name_01[] = "sgetc.txt"; // file with data in it const char name_02[] = "tmp_snextc_1out.tst"; // empty file, need to create const char name_03[] = "tmp_snextc_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; bool test __attribute__((unused)) = true; int_type c1; // int_type snextc() // calls sbumpc and if sbumpc != eof, return sgetc // in { constraint_filebuf fb_01; fb_01.open(name_01, ios_base::in); VERIFY( !fb_01.write_position() ); c1 = fb_01.snextc(); VERIFY( c1 == '/' ); c1 = fb_01.snextc(); VERIFY( c1 == ' ' ); VERIFY( !fb_01.write_position() ); VERIFY( fb_01.read_position() ); } // in { constraint_filebuf fb_01; fb_01.open(name_01, ios_base::in); VERIFY( !fb_01.write_position() ); int_type c4 = fb_01.sbumpc(); VERIFY( c4 == '/' ); c4 = fb_01.sbumpc(); VERIFY( c4 == '/' ); c4 = fb_01.sgetc(); VERIFY( c4 == ' ' ); c1 = fb_01.snextc(); VERIFY( c1 == '9' ); c4 = fb_01.sgetc(); VERIFY( c4 == '9' ); VERIFY( !fb_01.write_position() ); VERIFY( fb_01.read_position() ); } } int main() { test05(); return 0; }