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, 2009 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 3, 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 COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21#include <sstream> 22#include <testsuite_hooks.h> 23 24std::wstring str_01(L"mykonos. . . or what?"); 25std::wstringbuf strb_01(str_01); 26 27// test overloaded virtual functions 28void test04() 29{ 30 bool test __attribute__((unused)) = true; 31 std::wstring str_tmp; 32 std::streamsize strmsz_1, strmsz_2; 33 typedef std::wstringbuf::int_type int_type; 34 typedef std::wstringbuf::traits_type traits_type; 35 typedef std::wstringbuf::pos_type pos_type; 36 typedef std::wstringbuf::off_type off_type; 37 38 int_type c1 = strb_01.sbumpc(); 39 int_type c2, c3; 40 41 // BUFFER MANAGEMENT & POSITIONING 42 43 // seekoff 44 // pubseekoff(off_type off, ios_base::seekdir way, ios_base::openmode which) 45 // alters the stream position to off 46 pos_type pt_1(off_type(-1)); 47 pos_type pt_2(off_type(0)); 48 off_type off_1 = 0; 49 off_type off_2 = 0; 50 strb_01.str(str_01); //in|out ("mykonos. . . or what?"); 51 52 //IN|OUT 53 //beg 54 pt_1 = strb_01.pubseekoff(2, std::ios_base::beg); 55 off_1 = off_type(pt_1); 56 VERIFY( off_1 >= 0 ); 57 c1 = strb_01.snextc(); //current in pointer +1 58 VERIFY( c1 == L'o' ); 59 c2 = strb_01.sputc(L'x'); //test current out pointer 60 str_tmp = std::wstring(L"myxonos. . . or what?"); 61 VERIFY( strb_01.str() == str_tmp ); 62 //cur 63 pt_1 = strb_01.pubseekoff(2, std::ios_base::cur); 64 off_1 = off_type(pt_1); 65 VERIFY( off_1 == -1 ); // can't seekoff for in and out + cur in sstreams 66 pt_1 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in); 67 off_1 = off_type(pt_1); 68 pt_2 = strb_01.pubseekoff(2, std::ios_base::cur, std::ios_base::in); 69 off_2 = off_type(pt_2); 70 VERIFY( off_2 == off_1 + 2 ); 71 c1 = strb_01.snextc(); //current in pointer + 1 72 VERIFY( c1 == L' ' ); 73 c2 = strb_01.sputc(L'x'); //test current out pointer 74 str_tmp = std::wstring(L"myxxnos. . . or what?"); 75 VERIFY( strb_01.str() == str_tmp ); 76 //end 77 pt_2 = strb_01.pubseekoff(2, std::ios_base::end); 78 off_1 = off_type(pt_2); 79 VERIFY( off_1 == -1 ); // not a valid position 80 VERIFY( strb_01.str() == str_tmp ); 81 // end part two (from the filebuf tests) 82 strb_01.pubseekoff(0, std::ios_base::end); 83 strmsz_1 = strb_01.in_avail(); // 0 cuz at the end 84 c1 = strb_01.sgetc(); 85 c2 = strb_01.sungetc(); 86 strmsz_2 = strb_01.in_avail(); // 1 87 c3 = strb_01.sgetc(); 88 VERIFY( c1 != c2 ); 89 VERIFY( strmsz_2 != strmsz_1 ); 90 VERIFY( strmsz_2 == 1 ); 91 // end part three 92 strmsz_1 = strb_01.str().size(); 93 strmsz_2 = strb_01.sputn(L" ravi shankar meets carlos santana in LoHa", 90); 94 strb_01.pubseekoff(0, std::ios_base::end); 95 strb_01.sputc(L'<'); 96 str_tmp = strb_01.str(); 97 VERIFY(static_cast<std::streamsize>(str_tmp.size()) == strmsz_1 + strmsz_2 + 1); 98 // IN 99 // OUT 100} 101 102int main() 103{ 104 test04(); 105 return 0; 106} 107 108 109 110// more candy!!! 111