X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_istream%2Fputback%2Fchar%2F1.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_istream%2Fputback%2Fchar%2F1.cc;h=123d488fd1a6cbe87a7108f911ed28e81fe3b9ad;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc new file mode 100644 index 00000000..123d488f --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc @@ -0,0 +1,75 @@ +// 1999-08-11 bkoz + +// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009 Free Software Foundation +// +// 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 +// . + +// 27.6.1.3 unformatted input functions + +#include +#include +#include + +void +test01() +{ + bool test __attribute__((unused)) = true; + const std::string str_01; + const std::string str_02("soul eyes: john coltrane quartet"); + std::string strtmp; + + std::stringbuf isbuf_03(str_02, std::ios_base::in); + std::stringbuf isbuf_04(str_02, std::ios_base::in); + std::stringbuf isbuf_05(str_02, std::ios_base::in); + + std::istream is_00(&isbuf_05); + std::istream is_03(&isbuf_03); + std::istream is_04(&isbuf_04); + std::ios_base::iostate state1, state2; + + // istream& putback(char c) + is_04.ignore(30); + is_04.clear(); + state1 = is_04.rdstate(); + is_04.putback('t'); + VERIFY( is_04.gcount() == 0 ); // DR 60 + state2 = is_04.rdstate(); + VERIFY( state1 == state2 ); + VERIFY( is_04.peek() == 't' ); + + // istream& unget() + is_04.clear(); + state1 = is_04.rdstate(); + is_04.unget(); + VERIFY( is_04.gcount() == 0 ); // DR 60 + state2 = is_04.rdstate(); + VERIFY( state1 == state2 ); + VERIFY( is_04.peek() == 'r' ); + + // int sync() + is_00.ignore(10); + int count1 = is_00.gcount(); + is_00.sync(); + int count2 = is_00.gcount(); + VERIFY (count1 == count2 ); // DR 60 +} + +int +main() +{ + test01(); + return 0; +}