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a2febbfb | 1 | // 981208 bkoz test functionality of basic_stringbuf for char_type == char |
2 | ||
fbd26352 | 3 | // Copyright (C) 1997-2019 Free Software Foundation, Inc. |
a2febbfb | 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) |
a2febbfb | 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/>. | |
a2febbfb | 19 | |
20 | #include <sstream> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | std::string str_01("mykonos. . . or what?"); | |
24 | std::string str_02("paris, or sainte-maxime?"); | |
25 | std::string str_03; | |
26 | std::stringbuf strb_01(str_01); | |
27 | std::stringbuf strb_02(str_02, std::ios_base::in); | |
28 | std::stringbuf strb_03(str_03, std::ios_base::out); | |
29 | ||
30 | // test member functions | |
31 | void test03() | |
32 | { | |
a2febbfb | 33 | //stringbuf::str() |
34 | VERIFY( strb_01.str() == str_01 ); | |
35 | VERIFY( strb_02.str() == str_02 ); | |
36 | VERIFY( strb_03.str() == str_03 ); | |
37 | ||
38 | //stringbuf::str(string&) | |
39 | strb_03.str("none of the above, go to the oberoi in cairo, egypt."); | |
40 | strb_03.str(str_01); | |
41 | std::streamsize d1 = strb_01.in_avail(); | |
42 | std::streamsize d2 = strb_03.in_avail(); | |
43 | VERIFY( d1 ); // non-zero | |
ec722c30 | 44 | VERIFY( d2 == -1 ); // -1, cuz ios_base::out |
a2febbfb | 45 | VERIFY( d1 != d2 ); //these should be the same |
f8ef786c | 46 | VERIFY( static_cast<std::streamsize>(str_01.length()) == d1 ); |
a2febbfb | 47 | VERIFY( strb_01.str() == strb_03.str() ); //ditto |
48 | ||
49 | // stringbuf::str(string&) and stringbuf::stringbuf(string&), where the | |
50 | // string in question contains embedded NUL characters. Note that in this | |
51 | // embedded-NUL situation, the size must be passed to the string ctor. | |
52 | std::string str_nulls ("eschew \0 obfuscation", 20); // tested in 21_strings | |
53 | std::stringbuf strb_normal (str_01); | |
54 | std::stringbuf strb_nulls (str_nulls); | |
55 | strb_normal.str(str_nulls); // tried using 'strb_01' rather than declaring | |
56 | // another variable, but then test04 broke! | |
f8ef786c | 57 | VERIFY( strb_nulls.in_avail() == static_cast<std::streamsize>(str_nulls.size()) ); |
58 | VERIFY( strb_nulls.str().size() == 20 ); | |
59 | VERIFY( strb_normal.in_avail() == static_cast<std::streamsize>(str_nulls.size()) ); | |
a2febbfb | 60 | } |
61 | ||
62 | int main() | |
63 | { | |
64 | test03(); | |
65 | return 0; | |
66 | } | |
67 | ||
68 | ||
69 | ||
70 | // more candy!!! |