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// void resize(size_type n, charT c);
13
14#include <string>
15#include <stdexcept>
16#include <cassert>
17
18#include "min_allocator.h"
19
20template <class S>
21void
22test(S s, typename S::size_type n, typename S::value_type c, S expected)
23{
24    try
25    {
26        s.resize(n, c);
27        assert(s.__invariants());
28        assert(n <= s.max_size());
29        assert(s == expected);
30    }
31    catch (std::length_error&)
32    {
33        assert(n > s.max_size());
34    }
35}
36
37int main()
38{
39    {
40    typedef std::string S;
41    test(S(), 0, 'a', S());
42    test(S(), 1, 'a', S("a"));
43    test(S(), 10, 'a', S(10, 'a'));
44    test(S(), 100, 'a', S(100, 'a'));
45    test(S("12345"), 0, 'a', S());
46    test(S("12345"), 2, 'a', S("12"));
47    test(S("12345"), 5, 'a', S("12345"));
48    test(S("12345"), 15, 'a', S("12345aaaaaaaaaa"));
49    test(S("12345678901234567890123456789012345678901234567890"), 0, 'a', S());
50    test(S("12345678901234567890123456789012345678901234567890"), 10, 'a',
51         S("1234567890"));
52    test(S("12345678901234567890123456789012345678901234567890"), 50, 'a',
53         S("12345678901234567890123456789012345678901234567890"));
54    test(S("12345678901234567890123456789012345678901234567890"), 60, 'a',
55         S("12345678901234567890123456789012345678901234567890aaaaaaaaaa"));
56    test(S(), S::npos, 'a', S("not going to happen"));
57    }
58#if __cplusplus >= 201103L
59    {
60    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
61    test(S(), 0, 'a', S());
62    test(S(), 1, 'a', S("a"));
63    test(S(), 10, 'a', S(10, 'a'));
64    test(S(), 100, 'a', S(100, 'a'));
65    test(S("12345"), 0, 'a', S());
66    test(S("12345"), 2, 'a', S("12"));
67    test(S("12345"), 5, 'a', S("12345"));
68    test(S("12345"), 15, 'a', S("12345aaaaaaaaaa"));
69    test(S("12345678901234567890123456789012345678901234567890"), 0, 'a', S());
70    test(S("12345678901234567890123456789012345678901234567890"), 10, 'a',
71         S("1234567890"));
72    test(S("12345678901234567890123456789012345678901234567890"), 50, 'a',
73         S("12345678901234567890123456789012345678901234567890"));
74    test(S("12345678901234567890123456789012345678901234567890"), 60, 'a',
75         S("12345678901234567890123456789012345678901234567890aaaaaaaaaa"));
76    test(S(), S::npos, 'a', S("not going to happen"));
77    }
78#endif
79}
80