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c1993c3a | 1 | // 981208 bkoz test functionality of basic_stringbuf for char_type == wchar_t |
2 | ||
f1717362 | 3 | // Copyright (C) 1997-2016 Free Software Foundation, Inc. |
c1993c3a | 4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
c1993c3a | 9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
c1993c3a | 19 | |
20 | #include <sstream> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | std::wstring str_01(L"mykonos. . . or what?"); | |
24 | std::wstring str_02(L"paris, or sainte-maxime?"); | |
25 | std::wstring str_03; | |
26 | std::wstringbuf strb_01(str_01); | |
27 | std::wstringbuf strb_02(str_02, std::ios_base::in); | |
28 | std::wstringbuf strb_03(str_03, std::ios_base::out); | |
29 | ||
30 | // test overloaded virtual functions | |
31 | void test04() | |
32 | { | |
33 | bool test __attribute__((unused)) = true; | |
34 | std::wstring str_tmp, str_tmp2; | |
c1993c3a | 35 | typedef std::wstringbuf::int_type int_type; |
36 | typedef std::wstringbuf::traits_type traits_type; | |
c1993c3a | 37 | |
38 | int_type c1 = strb_01.sbumpc(); | |
39 | int_type c2 = strb_02.sbumpc(); | |
40 | int_type c3 = strb_01.sbumpc(); | |
41 | int_type c4 = strb_02.sbumpc(); | |
42 | ||
43 | // PUT | |
44 | strb_03.str(str_01); //reset | |
1c78c762 | 45 | strb_03.str().length(); |
46 | strb_03.str().length(); | |
c1993c3a | 47 | |
48 | // streamsize sputn(const char_typs* s, streamsize n) | |
49 | // write up to n chars to out_cur from s, returning number assigned | |
50 | // NB *sputn will happily put '\0' into your stream if you give it a chance* | |
51 | str_tmp = strb_03.str(); | |
1c78c762 | 52 | str_tmp.length(); |
53 | strb_03.sputn(L"racadabras", 10);//"abracadabras or what?" | |
54 | strb_03.str().length(); | |
55 | strb_03.sputn(L", i wanna reach out and", 10); | |
56 | strb_03.str().length(); | |
c1993c3a | 57 | str_tmp = strb_02.str(); |
1c78c762 | 58 | strb_02.sputn(L"racadabra", 10); |
c1993c3a | 59 | |
60 | // PUTBACK | |
61 | ||
62 | // int_type sputbackc(char_type c) | |
63 | // if in_cur not avail || ! traits::eq(c, gptr() [-1]), return pbfail | |
64 | // otherwise decrements in_cur and returns *gptr() | |
1c78c762 | 65 | strb_01.in_avail(); |
c1993c3a | 66 | str_tmp = strb_01.str(); |
67 | c1 = strb_01.sgetc(); //"mykonos. . . 'o'r what?" | |
68 | c2 = strb_01.sputbackc(L'z');//"mykonos. . .zor what?" | |
69 | c3 = strb_01.sgetc(); | |
70 | str_tmp2 = strb_01.str(); | |
71 | VERIFY( c1 != c2 ); | |
72 | VERIFY( c3 == c2 ); | |
73 | VERIFY( str_tmp2 == std::wstring(L"mzkonos. . . or what?") ); | |
74 | VERIFY( str_tmp.size() == str_tmp2.size() ); | |
75 | //test for _in_cur == _in_beg | |
76 | strb_01.str(str_tmp); | |
1c78c762 | 77 | strb_01.in_avail(); |
c1993c3a | 78 | c1 = strb_01.sgetc(); //"'m'ykonos. . . or what?" |
79 | c2 = strb_01.sputbackc(L'z');//"mykonos. . . or what?" | |
80 | c3 = strb_01.sgetc(); | |
81 | VERIFY( c1 != c2 ); | |
82 | VERIFY( c3 != c2 ); | |
83 | VERIFY( c1 == c3 ); | |
84 | VERIFY( c2 == traits_type::eof() ); | |
85 | VERIFY( strb_01.str() == str_tmp ); | |
86 | VERIFY( str_tmp.size() == strb_01.str().size() ); | |
87 | // test for replacing char with identical one | |
88 | strb_01.str(str_01); //reset | |
1c78c762 | 89 | strb_01.in_avail(); |
c1993c3a | 90 | strb_01.sbumpc(); |
91 | strb_01.sbumpc(); | |
92 | c1 = strb_01.sgetc(); //"my'k'onos. . . or what?" | |
93 | c2 = strb_01.sputbackc(L'y');//"mykonos. . . or what?" | |
94 | c3 = strb_01.sgetc(); | |
95 | VERIFY( c1 != c2 ); | |
96 | VERIFY( c3 == c2 ); | |
97 | VERIFY( c1 != c3 ); | |
98 | VERIFY( strb_01.str() == str_01 ); | |
99 | VERIFY( str_01.size() == strb_01.str().size() ); | |
100 | //test for ios_base::out | |
1c78c762 | 101 | strb_03.in_avail(); |
c1993c3a | 102 | c4 = strb_03.sputbackc(L'x'); |
103 | VERIFY( c4 == traits_type::eof() ); | |
104 | } | |
105 | ||
106 | int main() | |
107 | { | |
108 | test04(); | |
109 | return 0; | |
110 | } | |
111 | ||
112 | ||
113 | ||
114 | // more candy!!! |