blob: b0e364ea612917fd71a5981308b105fb7315119f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
// 1999-05-11 bkoz
// Copyright (C) 1999-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 21.3.3 string capacity
#include <string>
#include <testsuite_hooks.h>
void test01()
{
// POD types : resize, capacity, reserve
std::string str01;
typedef std::string::size_type size_type_s;
size_type_s sz01 = str01.capacity();
str01.reserve(100);
size_type_s sz02 = str01.capacity();
VERIFY( sz02 >= sz01 );
VERIFY( sz02 >= 100 );
str01.reserve();
sz01 = str01.capacity();
#if _GLIBCXX_USE_CXX11_ABI
VERIFY( sz01 < 100);
#else
VERIFY( sz01 == 0 );
#endif
sz01 = str01.size() + 5;
str01.resize(sz01);
sz02 = str01.size();
VERIFY( sz01 == sz02 );
sz01 = str01.size() - 5;
str01.resize(sz01);
sz02 = str01.size();
VERIFY( sz01 == sz02 );
std::string str05(30, 'q');
std::string str06 = str05;
str05 = str06 + str05;
VERIFY( str05.capacity() >= str05.size() );
VERIFY( str06.capacity() >= str06.size() );
// POD types: size, length, max_size, clear(), empty()
bool b01;
std::string str011;
b01 = str01.empty();
VERIFY( b01 == true );
sz01 = str01.size();
sz02 = str01.length();
VERIFY( sz01 == sz02 );
str01.c_str();
sz01 = str01.size();
sz02 = str01.length();
VERIFY( sz01 == sz02 );
sz01 = str01.length();
str01.c_str();
str011 = str01 + "_addendum_";
str01.c_str();
sz02 = str01.length();
VERIFY( sz01 == sz02 );
sz02 = str011.length();
VERIFY( sz02 > sz01 );
// trickster allocator issues involved with these:
std::string str3 = "8-chars_8-chars_";
std::string str4 = str3 + "7-chars";
sz01 = str01.size();
sz02 = str01.max_size();
VERIFY( sz02 >= sz01 );
sz01 = str01.size();
str01.clear();
b01 = str01.empty();
VERIFY( b01 == true );
sz02 = str01.size();
VERIFY( sz01 >= sz02 );
}
int main()
{
test01();
return 0;
}
|
