| // 981208 bkoz test functionality of basic_stringbuf for char_type == char |
| |
| // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
| // 2006, 2007 |
| // 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. |
| |
| #include <sstream> |
| #include <testsuite_hooks.h> |
| |
| 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::streamsize strmsz_1, strmsz_2; |
| std::streamoff strmof_1(-1), strmof_2; |
| typedef std::stringbuf::int_type int_type; |
| typedef std::stringbuf::traits_type traits_type; |
| |
| // GET |
| strmof_1 = strb_01.in_avail(); |
| strmof_2 = strb_02.in_avail(); |
| strmof_1 = strb_03.in_avail(); |
| |
| int_type c1 = strb_01.sbumpc(); |
| int_type c2 = strb_02.sbumpc(); |
| strb_01.sbumpc(); |
| int_type c4 = strb_02.sbumpc(); |
| int_type c5 = strb_03.sbumpc(); |
| |
| // int_type sgetc() |
| // if read_cur not avail, return uflow(), else return *read_cur |
| int_type c6 = strb_01.sgetc(); |
| int_type c7 = strb_02.sgetc(); |
| strb_01.sgetc(); |
| strb_02.sgetc(); |
| c5 = strb_03.sgetc(); |
| |
| // int_type snextc() |
| // calls sbumpc and if sbumpc != eof, return sgetc |
| c6 = strb_01.snextc(); |
| c7 = strb_02.snextc(); |
| c5 = strb_03.snextc(); |
| |
| // streamsize sgetn(char_type *s, streamsize n) |
| // streamsize xsgetn(char_type *s, streamsize n) |
| // assign up to n chars to s from input sequence, indexing in_cur as |
| // approp and returning the number of chars assigned |
| strmsz_1 = strb_01.in_avail(); |
| strmsz_2 = strb_02.in_avail(); |
| test = strmsz_1 != strmsz_2; |
| VERIFY( strmsz_1 != static_cast<std::streamsize>(str_01.length()) ); |
| // because now we've moved into string |
| VERIFY( strmsz_2 != static_cast<std::streamsize>(str_02.length()) ); |
| char carray1[11] = ""; |
| strmsz_1 = strb_01.sgetn(carray1, 10); |
| char carray2[20] = ""; |
| strmsz_2 = strb_02.sgetn(carray2, 10); |
| VERIFY( strmsz_1 == strmsz_2 ); |
| VERIFY( strmsz_1 == 10 ); |
| c1 = strb_01.sgetc(); |
| c2 = strb_02.sgetc(); |
| VERIFY( c6 == c1 ); //just by co-incidence both o's |
| VERIFY( c7 != c2 ); // n != i |
| VERIFY( c1 == traits_type::to_int_type(str_01[13]) ); |
| VERIFY( c2 == traits_type::to_int_type(str_02[13]) ); //should equal fourteenth letter at this point |
| strmsz_1 = strb_03.sgetn(carray1, 10); |
| VERIFY( !strmsz_1 ); //zero |
| strmsz_1 = strb_02.in_avail(); |
| strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5); |
| VERIFY( strmsz_1 == strmsz_2 ); //write off the end |
| c4 = strb_02.sgetc(); // should be EOF |
| VERIFY( c4 == traits_type::eof() ); |
| } |
| |
| int main() |
| { |
| test04(); |
| return 0; |
| } |
| |
| |
| |
| // more candy!!! |