1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <string>
10
11// iterator insert(const_iterator p, size_type n, charT c); // constexpr since C++20
12
13#include <string>
14#include <cassert>
15
16#include "test_macros.h"
17#include "min_allocator.h"
18#include "asan_testing.h"
19
20template <class S>
21TEST_CONSTEXPR_CXX20 void
22test(S s, typename S::difference_type pos, typename S::size_type n, typename S::value_type c, S expected) {
23 typename S::const_iterator p = s.cbegin() + pos;
24 typename S::iterator i = s.insert(p, n, c);
25 LIBCPP_ASSERT(s.__invariants());
26 assert(i - s.begin() == pos);
27 assert(s == expected);
28 LIBCPP_ASSERT(is_string_asan_correct(s));
29}
30
31template <class S>
32TEST_CONSTEXPR_CXX20 void test_string() {
33 test(S(""), 0, 0, '1', S(""));
34 test(S(""), 0, 5, '1', S("11111"));
35 test(S(""), 0, 10, '1', S("1111111111"));
36 test(S(""), 0, 20, '1', S("11111111111111111111"));
37 test(S("abcde"), 0, 0, '1', S("abcde"));
38 test(S("abcde"), 0, 5, '1', S("11111abcde"));
39 test(S("abcde"), 0, 10, '1', S("1111111111abcde"));
40 test(S("abcde"), 0, 20, '1', S("11111111111111111111abcde"));
41 test(S("abcde"), 1, 0, '1', S("abcde"));
42 test(S("abcde"), 1, 5, '1', S("a11111bcde"));
43 test(S("abcde"), 1, 10, '1', S("a1111111111bcde"));
44 test(S("abcde"), 1, 20, '1', S("a11111111111111111111bcde"));
45 test(S("abcde"), 2, 0, '1', S("abcde"));
46 test(S("abcde"), 2, 5, '1', S("ab11111cde"));
47 test(S("abcde"), 2, 10, '1', S("ab1111111111cde"));
48 test(S("abcde"), 2, 20, '1', S("ab11111111111111111111cde"));
49 test(S("abcde"), 4, 0, '1', S("abcde"));
50 test(S("abcde"), 4, 5, '1', S("abcd11111e"));
51 test(S("abcde"), 4, 10, '1', S("abcd1111111111e"));
52 test(S("abcde"), 4, 20, '1', S("abcd11111111111111111111e"));
53 test(S("abcde"), 5, 0, '1', S("abcde"));
54 test(S("abcde"), 5, 5, '1', S("abcde11111"));
55 test(S("abcde"), 5, 10, '1', S("abcde1111111111"));
56 test(S("abcde"), 5, 20, '1', S("abcde11111111111111111111"));
57 test(S("abcdefghij"), 0, 0, '1', S("abcdefghij"));
58 test(S("abcdefghij"), 0, 5, '1', S("11111abcdefghij"));
59 test(S("abcdefghij"), 0, 10, '1', S("1111111111abcdefghij"));
60 test(S("abcdefghij"), 0, 20, '1', S("11111111111111111111abcdefghij"));
61 test(S("abcdefghij"), 1, 0, '1', S("abcdefghij"));
62 test(S("abcdefghij"), 1, 5, '1', S("a11111bcdefghij"));
63 test(S("abcdefghij"), 1, 10, '1', S("a1111111111bcdefghij"));
64 test(S("abcdefghij"), 1, 20, '1', S("a11111111111111111111bcdefghij"));
65 test(S("abcdefghij"), 5, 0, '1', S("abcdefghij"));
66 test(S("abcdefghij"), 5, 5, '1', S("abcde11111fghij"));
67 test(S("abcdefghij"), 5, 10, '1', S("abcde1111111111fghij"));
68 test(S("abcdefghij"), 5, 20, '1', S("abcde11111111111111111111fghij"));
69 test(S("abcdefghij"), 9, 0, '1', S("abcdefghij"));
70 test(S("abcdefghij"), 9, 5, '1', S("abcdefghi11111j"));
71 test(S("abcdefghij"), 9, 10, '1', S("abcdefghi1111111111j"));
72 test(S("abcdefghij"), 9, 20, '1', S("abcdefghi11111111111111111111j"));
73 test(S("abcdefghij"), 10, 0, '1', S("abcdefghij"));
74 test(S("abcdefghij"), 10, 5, '1', S("abcdefghij11111"));
75 test(S("abcdefghij"), 10, 10, '1', S("abcdefghij1111111111"));
76 test(S("abcdefghij"), 10, 20, '1', S("abcdefghij11111111111111111111"));
77 test(S("abcdefghijklmnopqrst"), 0, 0, '1', S("abcdefghijklmnopqrst"));
78 test(S("abcdefghijklmnopqrst"), 0, 5, '1', S("11111abcdefghijklmnopqrst"));
79 test(S("abcdefghijklmnopqrst"), 0, 10, '1', S("1111111111abcdefghijklmnopqrst"));
80 test(S("abcdefghijklmnopqrst"), 0, 20, '1', S("11111111111111111111abcdefghijklmnopqrst"));
81 test(S("abcdefghijklmnopqrst"), 1, 0, '1', S("abcdefghijklmnopqrst"));
82 test(S("abcdefghijklmnopqrst"), 1, 5, '1', S("a11111bcdefghijklmnopqrst"));
83 test(S("abcdefghijklmnopqrst"), 1, 10, '1', S("a1111111111bcdefghijklmnopqrst"));
84 test(S("abcdefghijklmnopqrst"), 1, 20, '1', S("a11111111111111111111bcdefghijklmnopqrst"));
85 test(S("abcdefghijklmnopqrst"), 10, 0, '1', S("abcdefghijklmnopqrst"));
86 test(S("abcdefghijklmnopqrst"), 10, 5, '1', S("abcdefghij11111klmnopqrst"));
87 test(S("abcdefghijklmnopqrst"), 10, 10, '1', S("abcdefghij1111111111klmnopqrst"));
88 test(S("abcdefghijklmnopqrst"), 10, 20, '1', S("abcdefghij11111111111111111111klmnopqrst"));
89 test(S("abcdefghijklmnopqrst"), 19, 0, '1', S("abcdefghijklmnopqrst"));
90 test(S("abcdefghijklmnopqrst"), 19, 5, '1', S("abcdefghijklmnopqrs11111t"));
91 test(S("abcdefghijklmnopqrst"), 19, 10, '1', S("abcdefghijklmnopqrs1111111111t"));
92 test(S("abcdefghijklmnopqrst"), 19, 20, '1', S("abcdefghijklmnopqrs11111111111111111111t"));
93 test(S("abcdefghijklmnopqrst"), 20, 0, '1', S("abcdefghijklmnopqrst"));
94 test(S("abcdefghijklmnopqrst"), 20, 5, '1', S("abcdefghijklmnopqrst11111"));
95 test(S("abcdefghijklmnopqrst"), 20, 10, '1', S("abcdefghijklmnopqrst1111111111"));
96 test(S("abcdefghijklmnopqrst"), 20, 20, '1', S("abcdefghijklmnopqrst11111111111111111111"));
97}
98
99TEST_CONSTEXPR_CXX20 bool test() {
100 test_string<std::string>();
101#if TEST_STD_VER >= 11
102 test_string<std::basic_string<char, std::char_traits<char>, min_allocator<char>>>();
103 test_string<std::basic_string<char, std::char_traits<char>, safe_allocator<char>>>();
104#endif
105
106 return true;
107}
108
109int main(int, char**) {
110 test();
111#if TEST_STD_VER > 17
112 static_assert(test());
113#endif
114
115 return 0;
116}
117

source code of libcxx/test/std/strings/basic.string/string.modifiers/string_insert/iter_size_char.pass.cpp