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1 | // 1999-08-16 bkoz |
2 | ||
99dee823 | 3 | // Copyright (C) 1999-2021 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 27.6.2.5.4 basic_ostream character inserters | |
21 | ||
22 | #include <string> | |
23 | #include <ostream> | |
24 | #include <sstream> | |
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25 | #include <testsuite_hooks.h> |
26 | ||
27 | // ostringstream and positioning, multiple writes | |
28 | // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00326.html | |
29 | void test06() | |
30 | { | |
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31 | const char carray01[] = "mos def & talib kweli are black star"; |
32 | ||
33 | // normal | |
34 | std::ostringstream ostr1("mos def"); | |
35 | VERIFY( ostr1.str() == "mos def" ); | |
36 | ostr1 << " & talib kweli"; // should overwrite first part of buffer | |
37 | VERIFY( ostr1.str() == " & talib kweli" ); | |
38 | ostr1 << " are black star"; // should append to string from above | |
39 | VERIFY( ostr1.str() != carray01 ); | |
40 | VERIFY( ostr1.str() == " & talib kweli are black star" ); | |
41 | ||
42 | // appending | |
43 | std::ostringstream ostr2("blackalicious", | |
44 | std::ios_base::out | std::ios_base::ate); | |
45 | VERIFY( ostr2.str() == "blackalicious" ); | |
46 | ostr2 << " NIA "; // should not overwrite first part of buffer | |
47 | VERIFY( ostr2.str() == "blackalicious NIA " ); | |
48 | ostr2 << "4: deception (5:19)"; // should append to full string from above | |
49 | VERIFY( ostr2.str() == "blackalicious NIA 4: deception (5:19)" ); | |
50 | } | |
51 | ||
52 | int main() | |
53 | { | |
54 | test06(); | |
55 | return 0; | |
56 | } |