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1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <string>
11 
12 // size_type capacity() const;
13 
14 #include <string>
15 #include <cassert>
16 
17 #include "test_allocator.h"
18 #include "min_allocator.h"
19 
20 #include "test_macros.h"
21 
22 template <class S>
23 void
test(S s)24 test(S s)
25 {
26     S::allocator_type::throw_after = 0;
27 #ifndef TEST_HAS_NO_EXCEPTIONS
28     try
29 #endif
30     {
31         while (s.size() < s.capacity())
32             s.push_back(typename S::value_type());
33         assert(s.size() == s.capacity());
34     }
35 #ifndef TEST_HAS_NO_EXCEPTIONS
36     catch (...)
37     {
38         assert(false);
39     }
40 #endif
41     S::allocator_type::throw_after = INT_MAX;
42 }
43 
main()44 int main()
45 {
46     {
47     typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > S;
48     S s;
49     test(s);
50     s.assign(10, 'a');
51     s.erase(5);
52     test(s);
53     s.assign(100, 'a');
54     s.erase(50);
55     test(s);
56     }
57 #if TEST_STD_VER >= 11
58     {
59     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
60     S s;
61     assert(s.capacity() > 0);
62     }
63 #endif
64 }
65