X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_stringbuf%2Fsputbackc%2Fchar%2F1.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F27_io%2Fbasic_stringbuf%2Fsputbackc%2Fchar%2F1.cc;h=c99c2aa12836b7bf8deffc59f3caa910022d4c90;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc new file mode 100644 index 00000000..c99c2aa1 --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc @@ -0,0 +1,116 @@ +// 981208 bkoz test functionality of basic_stringbuf for char_type == char + +// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 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 +// . + +#include +#include + +std::string str_01("mykonos. . . or what?"); +std::string str_02("paris, or sainte-maxime?"); +std::string str_03; +std::stringbuf strb_01(str_01); +std::stringbuf strb_02(str_02, std::ios_base::in); +std::stringbuf strb_03(str_03, std::ios_base::out); + +// test overloaded virtual functions +void test04() +{ + bool test __attribute__((unused)) = true; + std::string str_tmp, str_tmp2; + std::streamsize strmsz_1, strmsz_2; + typedef std::stringbuf::int_type int_type; + typedef std::stringbuf::traits_type traits_type; + + int_type c1 = strb_01.sbumpc(); + int_type c2 = strb_02.sbumpc(); + int_type c3 = strb_01.sbumpc(); + int_type c4 = strb_02.sbumpc(); + + // PUT + strb_03.str(str_01); //reset + std::string::size_type sz1 = strb_03.str().length(); + std::string::size_type sz2 = strb_03.str().length(); + + // 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* + str_tmp = strb_03.str(); + sz1 = str_tmp.length(); + strmsz_1 = strb_03.sputn("racadabras", 10);//"abracadabras or what?" + sz2 = strb_03.str().length(); + strmsz_2 = strb_03.sputn(", i wanna reach out and", 10); + sz2 = strb_03.str().length(); + str_tmp = strb_02.str(); + strmsz_1 = strb_02.sputn("racadabra", 10); + + // PUTBACK + + // int_type sputbackc(char_type c) + // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail + // otherwise decrements in_cur and returns *gptr() + strmsz_1 = strb_01.in_avail(); + str_tmp = strb_01.str(); + c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?" + c2 = strb_01.sputbackc('z');//"mykonos. . .zor what?" + c3 = strb_01.sgetc(); + str_tmp2 = strb_01.str(); + VERIFY( c1 != c2 ); + VERIFY( c3 == c2 ); + VERIFY( str_tmp2 == std::string("mzkonos. . . or what?") ); + VERIFY( str_tmp.size() == str_tmp2.size() ); + //test for _in_cur == _in_beg + strb_01.str(str_tmp); + strmsz_1 = strb_01.in_avail(); + c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?" + c2 = strb_01.sputbackc('z');//"mykonos. . . or what?" + c3 = strb_01.sgetc(); + VERIFY( c1 != c2 ); + VERIFY( c3 != c2 ); + VERIFY( c1 == c3 ); + VERIFY( c2 == traits_type::eof() ); + VERIFY( strb_01.str() == str_tmp ); + VERIFY( str_tmp.size() == strb_01.str().size() ); + // test for replacing char with identical one + strb_01.str(str_01); //reset + strmsz_1 = strb_01.in_avail(); + strb_01.sbumpc(); + strb_01.sbumpc(); + c1 = strb_01.sgetc(); //"my'k'onos. . . or what?" + c2 = strb_01.sputbackc('y');//"mykonos. . . or what?" + c3 = strb_01.sgetc(); + VERIFY( c1 != c2 ); + VERIFY( c3 == c2 ); + VERIFY( c1 != c3 ); + VERIFY( strb_01.str() == str_01 ); + VERIFY( str_01.size() == strb_01.str().size() ); + //test for ios_base::out + strmsz_2 = strb_03.in_avail(); + c4 = strb_03.sputbackc('x'); + VERIFY( c4 == traits_type::eof() ); +} + +int main() +{ + test04(); + return 0; +} + + + +// more candy!!!