1// 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t 2 3// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 4// Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 2, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING. If not, write to the Free 19// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 20// USA. 21 22#include <sstream> 23#include <testsuite_hooks.h> 24 25std::wstring str_01(L"mykonos. . . or what?"); 26std::wstring str_02(L"paris, or sainte-maxime?"); 27std::wstring str_03; 28std::wstringbuf strb_01(str_01); 29std::wstringbuf strb_02(str_02, std::ios_base::in); 30std::wstringbuf strb_03(str_03, std::ios_base::out); 31 32// test overloaded virtual functions 33void test04() 34{ 35 bool test __attribute__((unused)) = true; 36 std::streamsize strmsz_1, strmsz_2; 37 std::streamoff strmof_1(-1), strmof_2; 38 typedef std::wstringbuf::int_type int_type; 39 typedef std::wstringbuf::traits_type traits_type; 40 41 // GET 42 strmof_1 = strb_01.in_avail(); 43 strmof_2 = strb_02.in_avail(); 44 strmof_1 = strb_03.in_avail(); 45 46 int_type c1 = strb_01.sbumpc(); 47 int_type c2 = strb_02.sbumpc(); 48 strb_01.sbumpc(); 49 int_type c4 = strb_02.sbumpc(); 50 int_type c5 = strb_03.sbumpc(); 51 52 // int_type sgetc() 53 // if read_cur not avail, return uflow(), else return *read_cur 54 int_type c6 = strb_01.sgetc(); 55 int_type c7 = strb_02.sgetc(); 56 strb_01.sgetc(); 57 strb_02.sgetc(); 58 c5 = strb_03.sgetc(); 59 60 // int_type snextc() 61 // calls sbumpc and if sbumpc != eof, return sgetc 62 c6 = strb_01.snextc(); 63 c7 = strb_02.snextc(); 64 c5 = strb_03.snextc(); 65 66 // streamsize sgetn(char_type *s, streamsize n) 67 // streamsize xsgetn(char_type *s, streamsize n) 68 // assign up to n chars to s from input sequence, indexing in_cur as 69 // approp and returning the number of chars assigned 70 strmsz_1 = strb_01.in_avail(); 71 strmsz_2 = strb_02.in_avail(); 72 test = strmsz_1 != strmsz_2; 73 VERIFY( strmsz_1 != static_cast<std::streamsize>(str_01.length()) ); 74 // because now we've moved into string 75 VERIFY( strmsz_2 != static_cast<std::streamsize>(str_02.length()) ); 76 wchar_t carray1[11] = L""; 77 strmsz_1 = strb_01.sgetn(carray1, 10); 78 wchar_t carray2[20] = L""; 79 strmsz_2 = strb_02.sgetn(carray2, 10); 80 VERIFY( strmsz_1 == strmsz_2 ); 81 VERIFY( strmsz_1 == 10 ); 82 c1 = strb_01.sgetc(); 83 c2 = strb_02.sgetc(); 84 VERIFY( c6 == c1 ); //just by co-incidence both o's 85 VERIFY( c7 != c2 ); // n != i 86 VERIFY( c1 == str_01[13] ); 87 VERIFY( c2 == str_02[13] ); //should equal fourteenth letter at this point 88 strmsz_1 = strb_03.sgetn(carray1, 10); 89 VERIFY( !strmsz_1 ); //zero 90 strmsz_1 = strb_02.in_avail(); 91 strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5); 92 VERIFY( strmsz_1 == strmsz_2 ); //write off the end 93 c4 = strb_02.sgetc(); // should be EOF 94 VERIFY( c4 == traits_type::eof() ); 95} 96 97int main() 98{ 99 test04(); 100 return 0; 101} 102 103 104 105// more candy!!! 106