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// basic_string<charT,traits,Allocator>&
12// replace(size_type pos1, size_type n1, const basic_string<charT,traits,Allocator>& str); // constexpr since C++20
13
14#include <string>
15#include <stdexcept>
16#include <algorithm>
17#include <cassert>
18
19#include "test_macros.h"
20#include "min_allocator.h"
21#include "asan_testing.h"
22
23template <class S>
24TEST_CONSTEXPR_CXX20 void test(S s, typename S::size_type pos1, typename S::size_type n1, S str, S expected) {
25 const typename S::size_type old_size = s.size();
26 S s0 = s;
27 if (pos1 <= old_size) {
28 s.replace(pos1, n1, str);
29 LIBCPP_ASSERT(s.__invariants());
30 assert(s == expected);
31 typename S::size_type xlen = std::min(n1, old_size - pos1);
32 typename S::size_type rlen = str.size();
33 assert(s.size() == old_size - xlen + rlen);
34 LIBCPP_ASSERT(is_string_asan_correct(s));
35 }
36#ifndef TEST_HAS_NO_EXCEPTIONS
37 else if (!TEST_IS_CONSTANT_EVALUATED) {
38 try {
39 s.replace(pos1, n1, str);
40 assert(false);
41 } catch (std::out_of_range&) {
42 assert(pos1 > old_size);
43 assert(s == s0);
44 }
45 }
46#endif
47}
48
49template <class S>
50TEST_CONSTEXPR_CXX20 bool test0() {
51 test(S(""), 0, 0, S(""), S(""));
52 test(S(""), 0, 0, S("12345"), S("12345"));
53 test(S(""), 0, 0, S("1234567890"), S("1234567890"));
54 test(S(""), 0, 0, S("12345678901234567890"), S("12345678901234567890"));
55 test(S(""), 0, 1, S(""), S(""));
56 test(S(""), 0, 1, S("12345"), S("12345"));
57 test(S(""), 0, 1, S("1234567890"), S("1234567890"));
58 test(S(""), 0, 1, S("12345678901234567890"), S("12345678901234567890"));
59 test(S(""), 1, 0, S(""), S("can't happen"));
60 test(S(""), 1, 0, S("12345"), S("can't happen"));
61 test(S(""), 1, 0, S("1234567890"), S("can't happen"));
62 test(S(""), 1, 0, S("12345678901234567890"), S("can't happen"));
63 test(S("abcde"), 0, 0, S(""), S("abcde"));
64 test(S("abcde"), 0, 0, S("12345"), S("12345abcde"));
65 test(S("abcde"), 0, 0, S("1234567890"), S("1234567890abcde"));
66 test(S("abcde"), 0, 0, S("12345678901234567890"), S("12345678901234567890abcde"));
67 test(S("abcde"), 0, 1, S(""), S("bcde"));
68 test(S("abcde"), 0, 1, S("12345"), S("12345bcde"));
69 test(S("abcde"), 0, 1, S("1234567890"), S("1234567890bcde"));
70 test(S("abcde"), 0, 1, S("12345678901234567890"), S("12345678901234567890bcde"));
71 test(S("abcde"), 0, 2, S(""), S("cde"));
72 test(S("abcde"), 0, 2, S("12345"), S("12345cde"));
73 test(S("abcde"), 0, 2, S("1234567890"), S("1234567890cde"));
74 test(S("abcde"), 0, 2, S("12345678901234567890"), S("12345678901234567890cde"));
75 test(S("abcde"), 0, 4, S(""), S("e"));
76 test(S("abcde"), 0, 4, S("12345"), S("12345e"));
77 test(S("abcde"), 0, 4, S("1234567890"), S("1234567890e"));
78 test(S("abcde"), 0, 4, S("12345678901234567890"), S("12345678901234567890e"));
79 test(S("abcde"), 0, 5, S(""), S(""));
80 test(S("abcde"), 0, 5, S("12345"), S("12345"));
81 test(S("abcde"), 0, 5, S("1234567890"), S("1234567890"));
82 test(S("abcde"), 0, 5, S("12345678901234567890"), S("12345678901234567890"));
83 test(S("abcde"), 0, 6, S(""), S(""));
84 test(S("abcde"), 0, 6, S("12345"), S("12345"));
85 test(S("abcde"), 0, 6, S("1234567890"), S("1234567890"));
86 test(S("abcde"), 0, 6, S("12345678901234567890"), S("12345678901234567890"));
87 test(S("abcde"), 1, 0, S(""), S("abcde"));
88 test(S("abcde"), 1, 0, S("12345"), S("a12345bcde"));
89 test(S("abcde"), 1, 0, S("1234567890"), S("a1234567890bcde"));
90 test(S("abcde"), 1, 0, S("12345678901234567890"), S("a12345678901234567890bcde"));
91 test(S("abcde"), 1, 1, S(""), S("acde"));
92 test(S("abcde"), 1, 1, S("12345"), S("a12345cde"));
93 test(S("abcde"), 1, 1, S("1234567890"), S("a1234567890cde"));
94 test(S("abcde"), 1, 1, S("12345678901234567890"), S("a12345678901234567890cde"));
95 test(S("abcde"), 1, 2, S(""), S("ade"));
96 test(S("abcde"), 1, 2, S("12345"), S("a12345de"));
97 test(S("abcde"), 1, 2, S("1234567890"), S("a1234567890de"));
98 test(S("abcde"), 1, 2, S("12345678901234567890"), S("a12345678901234567890de"));
99 test(S("abcde"), 1, 3, S(""), S("ae"));
100 test(S("abcde"), 1, 3, S("12345"), S("a12345e"));
101 test(S("abcde"), 1, 3, S("1234567890"), S("a1234567890e"));
102 test(S("abcde"), 1, 3, S("12345678901234567890"), S("a12345678901234567890e"));
103 test(S("abcde"), 1, 4, S(""), S("a"));
104 test(S("abcde"), 1, 4, S("12345"), S("a12345"));
105 test(S("abcde"), 1, 4, S("1234567890"), S("a1234567890"));
106 test(S("abcde"), 1, 4, S("12345678901234567890"), S("a12345678901234567890"));
107 test(S("abcde"), 1, 5, S(""), S("a"));
108 test(S("abcde"), 1, 5, S("12345"), S("a12345"));
109 test(S("abcde"), 1, 5, S("1234567890"), S("a1234567890"));
110 test(S("abcde"), 1, 5, S("12345678901234567890"), S("a12345678901234567890"));
111 test(S("abcde"), 2, 0, S(""), S("abcde"));
112 test(S("abcde"), 2, 0, S("12345"), S("ab12345cde"));
113 test(S("abcde"), 2, 0, S("1234567890"), S("ab1234567890cde"));
114 test(S("abcde"), 2, 0, S("12345678901234567890"), S("ab12345678901234567890cde"));
115 test(S("abcde"), 2, 1, S(""), S("abde"));
116 test(S("abcde"), 2, 1, S("12345"), S("ab12345de"));
117 test(S("abcde"), 2, 1, S("1234567890"), S("ab1234567890de"));
118 test(S("abcde"), 2, 1, S("12345678901234567890"), S("ab12345678901234567890de"));
119 test(S("abcde"), 2, 2, S(""), S("abe"));
120 test(S("abcde"), 2, 2, S("12345"), S("ab12345e"));
121 test(S("abcde"), 2, 2, S("1234567890"), S("ab1234567890e"));
122 test(S("abcde"), 2, 2, S("12345678901234567890"), S("ab12345678901234567890e"));
123 test(S("abcde"), 2, 3, S(""), S("ab"));
124 test(S("abcde"), 2, 3, S("12345"), S("ab12345"));
125 test(S("abcde"), 2, 3, S("1234567890"), S("ab1234567890"));
126 test(S("abcde"), 2, 3, S("12345678901234567890"), S("ab12345678901234567890"));
127 test(S("abcde"), 2, 4, S(""), S("ab"));
128 test(S("abcde"), 2, 4, S("12345"), S("ab12345"));
129 test(S("abcde"), 2, 4, S("1234567890"), S("ab1234567890"));
130 test(S("abcde"), 2, 4, S("12345678901234567890"), S("ab12345678901234567890"));
131 test(S("abcde"), 4, 0, S(""), S("abcde"));
132 test(S("abcde"), 4, 0, S("12345"), S("abcd12345e"));
133 test(S("abcde"), 4, 0, S("1234567890"), S("abcd1234567890e"));
134 test(S("abcde"), 4, 0, S("12345678901234567890"), S("abcd12345678901234567890e"));
135 test(S("abcde"), 4, 1, S(""), S("abcd"));
136 test(S("abcde"), 4, 1, S("12345"), S("abcd12345"));
137 test(S("abcde"), 4, 1, S("1234567890"), S("abcd1234567890"));
138 test(S("abcde"), 4, 1, S("12345678901234567890"), S("abcd12345678901234567890"));
139 test(S("abcde"), 4, 2, S(""), S("abcd"));
140 test(S("abcde"), 4, 2, S("12345"), S("abcd12345"));
141 test(S("abcde"), 4, 2, S("1234567890"), S("abcd1234567890"));
142 test(S("abcde"), 4, 2, S("12345678901234567890"), S("abcd12345678901234567890"));
143 test(S("abcde"), 5, 0, S(""), S("abcde"));
144 test(S("abcde"), 5, 0, S("12345"), S("abcde12345"));
145 test(S("abcde"), 5, 0, S("1234567890"), S("abcde1234567890"));
146 test(S("abcde"), 5, 0, S("12345678901234567890"), S("abcde12345678901234567890"));
147 test(S("abcde"), 5, 1, S(""), S("abcde"));
148 test(S("abcde"), 5, 1, S("12345"), S("abcde12345"));
149 test(S("abcde"), 5, 1, S("1234567890"), S("abcde1234567890"));
150 test(S("abcde"), 5, 1, S("12345678901234567890"), S("abcde12345678901234567890"));
151
152 return true;
153}
154
155template <class S>
156TEST_CONSTEXPR_CXX20 bool test1() {
157 test(S("abcde"), 6, 0, S(""), S("can't happen"));
158 test(S("abcde"), 6, 0, S("12345"), S("can't happen"));
159 test(S("abcde"), 6, 0, S("1234567890"), S("can't happen"));
160 test(S("abcde"), 6, 0, S("12345678901234567890"), S("can't happen"));
161 test(S("abcdefghij"), 0, 0, S(""), S("abcdefghij"));
162 test(S("abcdefghij"), 0, 0, S("12345"), S("12345abcdefghij"));
163 test(S("abcdefghij"), 0, 0, S("1234567890"), S("1234567890abcdefghij"));
164 test(S("abcdefghij"), 0, 0, S("12345678901234567890"), S("12345678901234567890abcdefghij"));
165 test(S("abcdefghij"), 0, 1, S(""), S("bcdefghij"));
166 test(S("abcdefghij"), 0, 1, S("12345"), S("12345bcdefghij"));
167 test(S("abcdefghij"), 0, 1, S("1234567890"), S("1234567890bcdefghij"));
168 test(S("abcdefghij"), 0, 1, S("12345678901234567890"), S("12345678901234567890bcdefghij"));
169 test(S("abcdefghij"), 0, 5, S(""), S("fghij"));
170 test(S("abcdefghij"), 0, 5, S("12345"), S("12345fghij"));
171 test(S("abcdefghij"), 0, 5, S("1234567890"), S("1234567890fghij"));
172 test(S("abcdefghij"), 0, 5, S("12345678901234567890"), S("12345678901234567890fghij"));
173 test(S("abcdefghij"), 0, 9, S(""), S("j"));
174 test(S("abcdefghij"), 0, 9, S("12345"), S("12345j"));
175 test(S("abcdefghij"), 0, 9, S("1234567890"), S("1234567890j"));
176 test(S("abcdefghij"), 0, 9, S("12345678901234567890"), S("12345678901234567890j"));
177 test(S("abcdefghij"), 0, 10, S(""), S(""));
178 test(S("abcdefghij"), 0, 10, S("12345"), S("12345"));
179 test(S("abcdefghij"), 0, 10, S("1234567890"), S("1234567890"));
180 test(S("abcdefghij"), 0, 10, S("12345678901234567890"), S("12345678901234567890"));
181 test(S("abcdefghij"), 0, 11, S(""), S(""));
182 test(S("abcdefghij"), 0, 11, S("12345"), S("12345"));
183 test(S("abcdefghij"), 0, 11, S("1234567890"), S("1234567890"));
184 test(S("abcdefghij"), 0, 11, S("12345678901234567890"), S("12345678901234567890"));
185 test(S("abcdefghij"), 1, 0, S(""), S("abcdefghij"));
186 test(S("abcdefghij"), 1, 0, S("12345"), S("a12345bcdefghij"));
187 test(S("abcdefghij"), 1, 0, S("1234567890"), S("a1234567890bcdefghij"));
188 test(S("abcdefghij"), 1, 0, S("12345678901234567890"), S("a12345678901234567890bcdefghij"));
189 test(S("abcdefghij"), 1, 1, S(""), S("acdefghij"));
190 test(S("abcdefghij"), 1, 1, S("12345"), S("a12345cdefghij"));
191 test(S("abcdefghij"), 1, 1, S("1234567890"), S("a1234567890cdefghij"));
192 test(S("abcdefghij"), 1, 1, S("12345678901234567890"), S("a12345678901234567890cdefghij"));
193 test(S("abcdefghij"), 1, 4, S(""), S("afghij"));
194 test(S("abcdefghij"), 1, 4, S("12345"), S("a12345fghij"));
195 test(S("abcdefghij"), 1, 4, S("1234567890"), S("a1234567890fghij"));
196 test(S("abcdefghij"), 1, 4, S("12345678901234567890"), S("a12345678901234567890fghij"));
197 test(S("abcdefghij"), 1, 8, S(""), S("aj"));
198 test(S("abcdefghij"), 1, 8, S("12345"), S("a12345j"));
199 test(S("abcdefghij"), 1, 8, S("1234567890"), S("a1234567890j"));
200 test(S("abcdefghij"), 1, 8, S("12345678901234567890"), S("a12345678901234567890j"));
201 test(S("abcdefghij"), 1, 9, S(""), S("a"));
202 test(S("abcdefghij"), 1, 9, S("12345"), S("a12345"));
203 test(S("abcdefghij"), 1, 9, S("1234567890"), S("a1234567890"));
204 test(S("abcdefghij"), 1, 9, S("12345678901234567890"), S("a12345678901234567890"));
205 test(S("abcdefghij"), 1, 10, S(""), S("a"));
206 test(S("abcdefghij"), 1, 10, S("12345"), S("a12345"));
207 test(S("abcdefghij"), 1, 10, S("1234567890"), S("a1234567890"));
208 test(S("abcdefghij"), 1, 10, S("12345678901234567890"), S("a12345678901234567890"));
209 test(S("abcdefghij"), 5, 0, S(""), S("abcdefghij"));
210 test(S("abcdefghij"), 5, 0, S("12345"), S("abcde12345fghij"));
211 test(S("abcdefghij"), 5, 0, S("1234567890"), S("abcde1234567890fghij"));
212 test(S("abcdefghij"), 5, 0, S("12345678901234567890"), S("abcde12345678901234567890fghij"));
213 test(S("abcdefghij"), 5, 1, S(""), S("abcdeghij"));
214 test(S("abcdefghij"), 5, 1, S("12345"), S("abcde12345ghij"));
215 test(S("abcdefghij"), 5, 1, S("1234567890"), S("abcde1234567890ghij"));
216 test(S("abcdefghij"), 5, 1, S("12345678901234567890"), S("abcde12345678901234567890ghij"));
217 test(S("abcdefghij"), 5, 2, S(""), S("abcdehij"));
218 test(S("abcdefghij"), 5, 2, S("12345"), S("abcde12345hij"));
219 test(S("abcdefghij"), 5, 2, S("1234567890"), S("abcde1234567890hij"));
220 test(S("abcdefghij"), 5, 2, S("12345678901234567890"), S("abcde12345678901234567890hij"));
221 test(S("abcdefghij"), 5, 4, S(""), S("abcdej"));
222 test(S("abcdefghij"), 5, 4, S("12345"), S("abcde12345j"));
223 test(S("abcdefghij"), 5, 4, S("1234567890"), S("abcde1234567890j"));
224 test(S("abcdefghij"), 5, 4, S("12345678901234567890"), S("abcde12345678901234567890j"));
225 test(S("abcdefghij"), 5, 5, S(""), S("abcde"));
226 test(S("abcdefghij"), 5, 5, S("12345"), S("abcde12345"));
227 test(S("abcdefghij"), 5, 5, S("1234567890"), S("abcde1234567890"));
228 test(S("abcdefghij"), 5, 5, S("12345678901234567890"), S("abcde12345678901234567890"));
229 test(S("abcdefghij"), 5, 6, S(""), S("abcde"));
230 test(S("abcdefghij"), 5, 6, S("12345"), S("abcde12345"));
231 test(S("abcdefghij"), 5, 6, S("1234567890"), S("abcde1234567890"));
232 test(S("abcdefghij"), 5, 6, S("12345678901234567890"), S("abcde12345678901234567890"));
233 test(S("abcdefghij"), 9, 0, S(""), S("abcdefghij"));
234 test(S("abcdefghij"), 9, 0, S("12345"), S("abcdefghi12345j"));
235 test(S("abcdefghij"), 9, 0, S("1234567890"), S("abcdefghi1234567890j"));
236 test(S("abcdefghij"), 9, 0, S("12345678901234567890"), S("abcdefghi12345678901234567890j"));
237 test(S("abcdefghij"), 9, 1, S(""), S("abcdefghi"));
238 test(S("abcdefghij"), 9, 1, S("12345"), S("abcdefghi12345"));
239 test(S("abcdefghij"), 9, 1, S("1234567890"), S("abcdefghi1234567890"));
240 test(S("abcdefghij"), 9, 1, S("12345678901234567890"), S("abcdefghi12345678901234567890"));
241 test(S("abcdefghij"), 9, 2, S(""), S("abcdefghi"));
242 test(S("abcdefghij"), 9, 2, S("12345"), S("abcdefghi12345"));
243 test(S("abcdefghij"), 9, 2, S("1234567890"), S("abcdefghi1234567890"));
244 test(S("abcdefghij"), 9, 2, S("12345678901234567890"), S("abcdefghi12345678901234567890"));
245 test(S("abcdefghij"), 10, 0, S(""), S("abcdefghij"));
246 test(S("abcdefghij"), 10, 0, S("12345"), S("abcdefghij12345"));
247 test(S("abcdefghij"), 10, 0, S("1234567890"), S("abcdefghij1234567890"));
248 test(S("abcdefghij"), 10, 0, S("12345678901234567890"), S("abcdefghij12345678901234567890"));
249 test(S("abcdefghij"), 10, 1, S(""), S("abcdefghij"));
250 test(S("abcdefghij"), 10, 1, S("12345"), S("abcdefghij12345"));
251 test(S("abcdefghij"), 10, 1, S("1234567890"), S("abcdefghij1234567890"));
252 test(S("abcdefghij"), 10, 1, S("12345678901234567890"), S("abcdefghij12345678901234567890"));
253 test(S("abcdefghij"), 11, 0, S(""), S("can't happen"));
254 test(S("abcdefghij"), 11, 0, S("12345"), S("can't happen"));
255 test(S("abcdefghij"), 11, 0, S("1234567890"), S("can't happen"));
256 test(S("abcdefghij"), 11, 0, S("12345678901234567890"), S("can't happen"));
257
258 return true;
259}
260
261template <class S>
262TEST_CONSTEXPR_CXX20 bool test2() {
263 test(S("abcdefghijklmnopqrst"), 0, 0, S(""), S("abcdefghijklmnopqrst"));
264 test(S("abcdefghijklmnopqrst"), 0, 0, S("12345"), S("12345abcdefghijklmnopqrst"));
265 test(S("abcdefghijklmnopqrst"), 0, 0, S("1234567890"), S("1234567890abcdefghijklmnopqrst"));
266 test(S("abcdefghijklmnopqrst"), 0, 0, S("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst"));
267 test(S("abcdefghijklmnopqrst"), 0, 1, S(""), S("bcdefghijklmnopqrst"));
268 test(S("abcdefghijklmnopqrst"), 0, 1, S("12345"), S("12345bcdefghijklmnopqrst"));
269 test(S("abcdefghijklmnopqrst"), 0, 1, S("1234567890"), S("1234567890bcdefghijklmnopqrst"));
270 test(S("abcdefghijklmnopqrst"), 0, 1, S("12345678901234567890"), S("12345678901234567890bcdefghijklmnopqrst"));
271 test(S("abcdefghijklmnopqrst"), 0, 10, S(""), S("klmnopqrst"));
272 test(S("abcdefghijklmnopqrst"), 0, 10, S("12345"), S("12345klmnopqrst"));
273 test(S("abcdefghijklmnopqrst"), 0, 10, S("1234567890"), S("1234567890klmnopqrst"));
274 test(S("abcdefghijklmnopqrst"), 0, 10, S("12345678901234567890"), S("12345678901234567890klmnopqrst"));
275 test(S("abcdefghijklmnopqrst"), 0, 19, S(""), S("t"));
276 test(S("abcdefghijklmnopqrst"), 0, 19, S("12345"), S("12345t"));
277 test(S("abcdefghijklmnopqrst"), 0, 19, S("1234567890"), S("1234567890t"));
278 test(S("abcdefghijklmnopqrst"), 0, 19, S("12345678901234567890"), S("12345678901234567890t"));
279 test(S("abcdefghijklmnopqrst"), 0, 20, S(""), S(""));
280 test(S("abcdefghijklmnopqrst"), 0, 20, S("12345"), S("12345"));
281 test(S("abcdefghijklmnopqrst"), 0, 20, S("1234567890"), S("1234567890"));
282 test(S("abcdefghijklmnopqrst"), 0, 20, S("12345678901234567890"), S("12345678901234567890"));
283 test(S("abcdefghijklmnopqrst"), 0, 21, S(""), S(""));
284 test(S("abcdefghijklmnopqrst"), 0, 21, S("12345"), S("12345"));
285 test(S("abcdefghijklmnopqrst"), 0, 21, S("1234567890"), S("1234567890"));
286 test(S("abcdefghijklmnopqrst"), 0, 21, S("12345678901234567890"), S("12345678901234567890"));
287 test(S("abcdefghijklmnopqrst"), 1, 0, S(""), S("abcdefghijklmnopqrst"));
288 test(S("abcdefghijklmnopqrst"), 1, 0, S("12345"), S("a12345bcdefghijklmnopqrst"));
289 test(S("abcdefghijklmnopqrst"), 1, 0, S("1234567890"), S("a1234567890bcdefghijklmnopqrst"));
290 test(S("abcdefghijklmnopqrst"), 1, 0, S("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst"));
291 test(S("abcdefghijklmnopqrst"), 1, 1, S(""), S("acdefghijklmnopqrst"));
292 test(S("abcdefghijklmnopqrst"), 1, 1, S("12345"), S("a12345cdefghijklmnopqrst"));
293 test(S("abcdefghijklmnopqrst"), 1, 1, S("1234567890"), S("a1234567890cdefghijklmnopqrst"));
294 test(S("abcdefghijklmnopqrst"), 1, 1, S("12345678901234567890"), S("a12345678901234567890cdefghijklmnopqrst"));
295 test(S("abcdefghijklmnopqrst"), 1, 9, S(""), S("aklmnopqrst"));
296 test(S("abcdefghijklmnopqrst"), 1, 9, S("12345"), S("a12345klmnopqrst"));
297 test(S("abcdefghijklmnopqrst"), 1, 9, S("1234567890"), S("a1234567890klmnopqrst"));
298 test(S("abcdefghijklmnopqrst"), 1, 9, S("12345678901234567890"), S("a12345678901234567890klmnopqrst"));
299 test(S("abcdefghijklmnopqrst"), 1, 18, S(""), S("at"));
300 test(S("abcdefghijklmnopqrst"), 1, 18, S("12345"), S("a12345t"));
301 test(S("abcdefghijklmnopqrst"), 1, 18, S("1234567890"), S("a1234567890t"));
302 test(S("abcdefghijklmnopqrst"), 1, 18, S("12345678901234567890"), S("a12345678901234567890t"));
303 test(S("abcdefghijklmnopqrst"), 1, 19, S(""), S("a"));
304 test(S("abcdefghijklmnopqrst"), 1, 19, S("12345"), S("a12345"));
305 test(S("abcdefghijklmnopqrst"), 1, 19, S("1234567890"), S("a1234567890"));
306 test(S("abcdefghijklmnopqrst"), 1, 19, S("12345678901234567890"), S("a12345678901234567890"));
307 test(S("abcdefghijklmnopqrst"), 1, 20, S(""), S("a"));
308 test(S("abcdefghijklmnopqrst"), 1, 20, S("12345"), S("a12345"));
309 test(S("abcdefghijklmnopqrst"), 1, 20, S("1234567890"), S("a1234567890"));
310 test(S("abcdefghijklmnopqrst"), 1, 20, S("12345678901234567890"), S("a12345678901234567890"));
311 test(S("abcdefghijklmnopqrst"), 10, 0, S(""), S("abcdefghijklmnopqrst"));
312 test(S("abcdefghijklmnopqrst"), 10, 0, S("12345"), S("abcdefghij12345klmnopqrst"));
313 test(S("abcdefghijklmnopqrst"), 10, 0, S("1234567890"), S("abcdefghij1234567890klmnopqrst"));
314 test(S("abcdefghijklmnopqrst"), 10, 0, S("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst"));
315 test(S("abcdefghijklmnopqrst"), 10, 1, S(""), S("abcdefghijlmnopqrst"));
316 test(S("abcdefghijklmnopqrst"), 10, 1, S("12345"), S("abcdefghij12345lmnopqrst"));
317 test(S("abcdefghijklmnopqrst"), 10, 1, S("1234567890"), S("abcdefghij1234567890lmnopqrst"));
318 test(S("abcdefghijklmnopqrst"), 10, 1, S("12345678901234567890"), S("abcdefghij12345678901234567890lmnopqrst"));
319 test(S("abcdefghijklmnopqrst"), 10, 5, S(""), S("abcdefghijpqrst"));
320 test(S("abcdefghijklmnopqrst"), 10, 5, S("12345"), S("abcdefghij12345pqrst"));
321 test(S("abcdefghijklmnopqrst"), 10, 5, S("1234567890"), S("abcdefghij1234567890pqrst"));
322 test(S("abcdefghijklmnopqrst"), 10, 5, S("12345678901234567890"), S("abcdefghij12345678901234567890pqrst"));
323 test(S("abcdefghijklmnopqrst"), 10, 9, S(""), S("abcdefghijt"));
324 test(S("abcdefghijklmnopqrst"), 10, 9, S("12345"), S("abcdefghij12345t"));
325 test(S("abcdefghijklmnopqrst"), 10, 9, S("1234567890"), S("abcdefghij1234567890t"));
326 test(S("abcdefghijklmnopqrst"), 10, 9, S("12345678901234567890"), S("abcdefghij12345678901234567890t"));
327 test(S("abcdefghijklmnopqrst"), 10, 10, S(""), S("abcdefghij"));
328 test(S("abcdefghijklmnopqrst"), 10, 10, S("12345"), S("abcdefghij12345"));
329 test(S("abcdefghijklmnopqrst"), 10, 10, S("1234567890"), S("abcdefghij1234567890"));
330 test(S("abcdefghijklmnopqrst"), 10, 10, S("12345678901234567890"), S("abcdefghij12345678901234567890"));
331 test(S("abcdefghijklmnopqrst"), 10, 11, S(""), S("abcdefghij"));
332 test(S("abcdefghijklmnopqrst"), 10, 11, S("12345"), S("abcdefghij12345"));
333 test(S("abcdefghijklmnopqrst"), 10, 11, S("1234567890"), S("abcdefghij1234567890"));
334 test(S("abcdefghijklmnopqrst"), 10, 11, S("12345678901234567890"), S("abcdefghij12345678901234567890"));
335 test(S("abcdefghijklmnopqrst"), 19, 0, S(""), S("abcdefghijklmnopqrst"));
336 test(S("abcdefghijklmnopqrst"), 19, 0, S("12345"), S("abcdefghijklmnopqrs12345t"));
337 test(S("abcdefghijklmnopqrst"), 19, 0, S("1234567890"), S("abcdefghijklmnopqrs1234567890t"));
338 test(S("abcdefghijklmnopqrst"), 19, 0, S("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t"));
339 test(S("abcdefghijklmnopqrst"), 19, 1, S(""), S("abcdefghijklmnopqrs"));
340 test(S("abcdefghijklmnopqrst"), 19, 1, S("12345"), S("abcdefghijklmnopqrs12345"));
341 test(S("abcdefghijklmnopqrst"), 19, 1, S("1234567890"), S("abcdefghijklmnopqrs1234567890"));
342 test(S("abcdefghijklmnopqrst"), 19, 1, S("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890"));
343 test(S("abcdefghijklmnopqrst"), 19, 2, S(""), S("abcdefghijklmnopqrs"));
344 test(S("abcdefghijklmnopqrst"), 19, 2, S("12345"), S("abcdefghijklmnopqrs12345"));
345 test(S("abcdefghijklmnopqrst"), 19, 2, S("1234567890"), S("abcdefghijklmnopqrs1234567890"));
346 test(S("abcdefghijklmnopqrst"), 19, 2, S("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890"));
347 test(S("abcdefghijklmnopqrst"), 20, 0, S(""), S("abcdefghijklmnopqrst"));
348 test(S("abcdefghijklmnopqrst"), 20, 0, S("12345"), S("abcdefghijklmnopqrst12345"));
349 test(S("abcdefghijklmnopqrst"), 20, 0, S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
350 test(S("abcdefghijklmnopqrst"), 20, 0, S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
351 test(S("abcdefghijklmnopqrst"), 20, 1, S(""), S("abcdefghijklmnopqrst"));
352 test(S("abcdefghijklmnopqrst"), 20, 1, S("12345"), S("abcdefghijklmnopqrst12345"));
353 test(S("abcdefghijklmnopqrst"), 20, 1, S("1234567890"), S("abcdefghijklmnopqrst1234567890"));
354 test(S("abcdefghijklmnopqrst"), 20, 1, S("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
355 test(S("abcdefghijklmnopqrst"), 21, 0, S(""), S("can't happen"));
356 test(S("abcdefghijklmnopqrst"), 21, 0, S("12345"), S("can't happen"));
357 test(S("abcdefghijklmnopqrst"), 21, 0, S("1234567890"), S("can't happen"));
358 test(S("abcdefghijklmnopqrst"), 21, 0, S("12345678901234567890"), S("can't happen"));
359
360 return true;
361}
362
363template <class S>
364void test() {
365 {
366 test0<S>();
367 test1<S>();
368 test2<S>();
369#if TEST_STD_VER > 17
370 static_assert(test0<S>());
371 static_assert(test1<S>());
372 static_assert(test2<S>());
373#endif
374 }
375
376#if TEST_STD_VER >= 11
377 { // LWG 2946
378 std::string s = " ";
379 s.replace(0, 1, {"abc", 1});
380 assert(s.size() == 1);
381 assert(s == "a");
382 }
383#endif
384}
385
386int main(int, char**) {
387 test<std::string>();
388#if TEST_STD_VER >= 11
389 test<std::basic_string<char, std::char_traits<char>, min_allocator<char>>>();
390 test<std::basic_string<char, std::char_traits<char>, safe_allocator<char>>>();
391#endif
392 return 0;
393}
394

source code of libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_string.pass.cpp