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1 | // 1999-05-11 bkoz |
2 | ||
3 | // Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // 21.3.3 string capacity | |
22 | ||
23 | #include <string> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | void test01() | |
27 | { | |
28 | // POD types : resize, capacity, reserve | |
29 | bool test = true; | |
30 | std::string str01; | |
31 | typedef std::string::size_type size_type_s; | |
32 | ||
33 | size_type_s sz01 = str01.capacity(); | |
34 | str01.reserve(100); | |
35 | size_type_s sz02 = str01.capacity(); | |
36 | VERIFY( sz02 >= sz01 ); | |
37 | VERIFY( sz02 >= 100 ); | |
38 | str01.reserve(); | |
39 | sz01 = str01.capacity(); | |
40 | VERIFY( sz01 >= 0 ); | |
41 | ||
42 | sz01 = str01.size() + 5; | |
43 | str01.resize(sz01); | |
44 | sz02 = str01.size(); | |
45 | VERIFY( sz01 == sz02 ); | |
46 | ||
47 | sz01 = str01.size() - 5; | |
48 | str01.resize(sz01); | |
49 | sz02 = str01.size(); | |
50 | VERIFY( sz01 == sz02 ); | |
51 | ||
52 | std::string str05(30, 'q'); | |
53 | std::string str06 = str05; | |
54 | str05 = str06 + str05; | |
55 | VERIFY( str05.capacity() >= str05.size() ); | |
56 | VERIFY( str06.capacity() >= str06.size() ); | |
57 | ||
58 | // POD types: size, length, max_size, clear(), empty() | |
59 | bool b01; | |
60 | std::string str011; | |
61 | b01 = str01.empty(); | |
62 | VERIFY( b01 == true ); | |
63 | sz01 = str01.size(); | |
64 | sz02 = str01.length(); | |
65 | VERIFY( sz01 == sz02 ); | |
66 | str01.c_str(); | |
67 | sz01 = str01.size(); | |
68 | sz02 = str01.length(); | |
69 | VERIFY( sz01 == sz02 ); | |
70 | ||
71 | sz01 = str01.length(); | |
72 | str01.c_str(); | |
73 | str011 = str01 + "_addendum_"; | |
74 | str01.c_str(); | |
75 | sz02 = str01.length(); | |
76 | VERIFY( sz01 == sz02 ); | |
77 | sz02 = str011.length(); | |
78 | VERIFY( sz02 > sz01 ); | |
79 | ||
80 | // trickster allocator issues involved with these: | |
81 | std::string str3 = "8-chars_8-chars_"; | |
82 | const char* p3 = str3.c_str(); | |
83 | std::string str4 = str3 + "7-chars"; | |
84 | const char* p4 = str3.c_str(); | |
85 | ||
86 | sz01 = str01.size(); | |
87 | sz02 = str01.max_size(); | |
88 | VERIFY( sz02 >= sz01 ); | |
89 | ||
90 | sz01 = str01.size(); | |
91 | str01.clear(); | |
92 | b01 = str01.empty(); | |
93 | VERIFY( b01 == true ); | |
94 | sz02 = str01.size(); | |
95 | VERIFY( sz01 >= sz02 ); | |
96 | } | |
97 | ||
98 | int main() | |
99 | { | |
100 | test01(); | |
101 | return 0; | |
102 | } |