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(const_iterator i1, const_iterator i2, const charT* s); // constexpr since C++20
13
14#include <stdio.h>
15
16#include <string>
17#include <algorithm>
18#include <cassert>
19
20#include "test_macros.h"
21#include "min_allocator.h"
22
23template <class S>
24TEST_CONSTEXPR_CXX20 void
25test(S s, typename S::size_type pos1, typename S::size_type n1, const typename S::value_type* str, S expected) {
26 typename S::size_type old_size = s.size();
27 typename S::const_iterator first = s.begin() + pos1;
28 typename S::const_iterator last = s.begin() + pos1 + n1;
29 typename S::size_type xlen = last - first;
30 s.replace(first, last, str);
31 LIBCPP_ASSERT(s.__invariants());
32 assert(s == expected);
33 typename S::size_type rlen = S::traits_type::length(str);
34 assert(s.size() == old_size - xlen + rlen);
35}
36
37template <class S>
38TEST_CONSTEXPR_CXX20 bool test0() {
39 test(S(""), 0, 0, "", S(""));
40 test(S(""), 0, 0, "12345", S("12345"));
41 test(S(""), 0, 0, "1234567890", S("1234567890"));
42 test(S(""), 0, 0, "12345678901234567890", S("12345678901234567890"));
43 test(S("abcde"), 0, 0, "", S("abcde"));
44 test(S("abcde"), 0, 0, "12345", S("12345abcde"));
45 test(S("abcde"), 0, 0, "1234567890", S("1234567890abcde"));
46 test(S("abcde"), 0, 0, "12345678901234567890", S("12345678901234567890abcde"));
47 test(S("abcde"), 0, 1, "", S("bcde"));
48 test(S("abcde"), 0, 1, "12345", S("12345bcde"));
49 test(S("abcde"), 0, 1, "1234567890", S("1234567890bcde"));
50 test(S("abcde"), 0, 1, "12345678901234567890", S("12345678901234567890bcde"));
51 test(S("abcde"), 0, 2, "", S("cde"));
52 test(S("abcde"), 0, 2, "12345", S("12345cde"));
53 test(S("abcde"), 0, 2, "1234567890", S("1234567890cde"));
54 test(S("abcde"), 0, 2, "12345678901234567890", S("12345678901234567890cde"));
55 test(S("abcde"), 0, 4, "", S("e"));
56 test(S("abcde"), 0, 4, "12345", S("12345e"));
57 test(S("abcde"), 0, 4, "1234567890", S("1234567890e"));
58 test(S("abcde"), 0, 4, "12345678901234567890", S("12345678901234567890e"));
59 test(S("abcde"), 0, 5, "", S(""));
60 test(S("abcde"), 0, 5, "12345", S("12345"));
61 test(S("abcde"), 0, 5, "1234567890", S("1234567890"));
62 test(S("abcde"), 0, 5, "12345678901234567890", S("12345678901234567890"));
63 test(S("abcde"), 1, 0, "", S("abcde"));
64 test(S("abcde"), 1, 0, "12345", S("a12345bcde"));
65 test(S("abcde"), 1, 0, "1234567890", S("a1234567890bcde"));
66 test(S("abcde"), 1, 0, "12345678901234567890", S("a12345678901234567890bcde"));
67 test(S("abcde"), 1, 1, "", S("acde"));
68 test(S("abcde"), 1, 1, "12345", S("a12345cde"));
69 test(S("abcde"), 1, 1, "1234567890", S("a1234567890cde"));
70 test(S("abcde"), 1, 1, "12345678901234567890", S("a12345678901234567890cde"));
71 test(S("abcde"), 1, 2, "", S("ade"));
72 test(S("abcde"), 1, 2, "12345", S("a12345de"));
73 test(S("abcde"), 1, 2, "1234567890", S("a1234567890de"));
74 test(S("abcde"), 1, 2, "12345678901234567890", S("a12345678901234567890de"));
75 test(S("abcde"), 1, 3, "", S("ae"));
76 test(S("abcde"), 1, 3, "12345", S("a12345e"));
77 test(S("abcde"), 1, 3, "1234567890", S("a1234567890e"));
78 test(S("abcde"), 1, 3, "12345678901234567890", S("a12345678901234567890e"));
79 test(S("abcde"), 1, 4, "", S("a"));
80 test(S("abcde"), 1, 4, "12345", S("a12345"));
81 test(S("abcde"), 1, 4, "1234567890", S("a1234567890"));
82 test(S("abcde"), 1, 4, "12345678901234567890", S("a12345678901234567890"));
83 test(S("abcde"), 2, 0, "", S("abcde"));
84 test(S("abcde"), 2, 0, "12345", S("ab12345cde"));
85 test(S("abcde"), 2, 0, "1234567890", S("ab1234567890cde"));
86 test(S("abcde"), 2, 0, "12345678901234567890", S("ab12345678901234567890cde"));
87 test(S("abcde"), 2, 1, "", S("abde"));
88 test(S("abcde"), 2, 1, "12345", S("ab12345de"));
89 test(S("abcde"), 2, 1, "1234567890", S("ab1234567890de"));
90 test(S("abcde"), 2, 1, "12345678901234567890", S("ab12345678901234567890de"));
91 test(S("abcde"), 2, 2, "", S("abe"));
92 test(S("abcde"), 2, 2, "12345", S("ab12345e"));
93 test(S("abcde"), 2, 2, "1234567890", S("ab1234567890e"));
94 test(S("abcde"), 2, 2, "12345678901234567890", S("ab12345678901234567890e"));
95 test(S("abcde"), 2, 3, "", S("ab"));
96 test(S("abcde"), 2, 3, "12345", S("ab12345"));
97 test(S("abcde"), 2, 3, "1234567890", S("ab1234567890"));
98 test(S("abcde"), 2, 3, "12345678901234567890", S("ab12345678901234567890"));
99 test(S("abcde"), 4, 0, "", S("abcde"));
100 test(S("abcde"), 4, 0, "12345", S("abcd12345e"));
101 test(S("abcde"), 4, 0, "1234567890", S("abcd1234567890e"));
102 test(S("abcde"), 4, 0, "12345678901234567890", S("abcd12345678901234567890e"));
103 test(S("abcde"), 4, 1, "", S("abcd"));
104 test(S("abcde"), 4, 1, "12345", S("abcd12345"));
105 test(S("abcde"), 4, 1, "1234567890", S("abcd1234567890"));
106 test(S("abcde"), 4, 1, "12345678901234567890", S("abcd12345678901234567890"));
107 test(S("abcde"), 5, 0, "", S("abcde"));
108 test(S("abcde"), 5, 0, "12345", S("abcde12345"));
109 test(S("abcde"), 5, 0, "1234567890", S("abcde1234567890"));
110 test(S("abcde"), 5, 0, "12345678901234567890", S("abcde12345678901234567890"));
111 test(S("abcdefghij"), 0, 0, "", S("abcdefghij"));
112 test(S("abcdefghij"), 0, 0, "12345", S("12345abcdefghij"));
113 test(S("abcdefghij"), 0, 0, "1234567890", S("1234567890abcdefghij"));
114 test(S("abcdefghij"), 0, 0, "12345678901234567890", S("12345678901234567890abcdefghij"));
115 test(S("abcdefghij"), 0, 1, "", S("bcdefghij"));
116 test(S("abcdefghij"), 0, 1, "12345", S("12345bcdefghij"));
117 test(S("abcdefghij"), 0, 1, "1234567890", S("1234567890bcdefghij"));
118 test(S("abcdefghij"), 0, 1, "12345678901234567890", S("12345678901234567890bcdefghij"));
119 test(S("abcdefghij"), 0, 5, "", S("fghij"));
120 test(S("abcdefghij"), 0, 5, "12345", S("12345fghij"));
121 test(S("abcdefghij"), 0, 5, "1234567890", S("1234567890fghij"));
122 test(S("abcdefghij"), 0, 5, "12345678901234567890", S("12345678901234567890fghij"));
123 test(S("abcdefghij"), 0, 9, "", S("j"));
124 test(S("abcdefghij"), 0, 9, "12345", S("12345j"));
125 test(S("abcdefghij"), 0, 9, "1234567890", S("1234567890j"));
126 test(S("abcdefghij"), 0, 9, "12345678901234567890", S("12345678901234567890j"));
127 test(S("abcdefghij"), 0, 10, "", S(""));
128 test(S("abcdefghij"), 0, 10, "12345", S("12345"));
129 test(S("abcdefghij"), 0, 10, "1234567890", S("1234567890"));
130 test(S("abcdefghij"), 0, 10, "12345678901234567890", S("12345678901234567890"));
131 test(S("abcdefghij"), 1, 0, "", S("abcdefghij"));
132 test(S("abcdefghij"), 1, 0, "12345", S("a12345bcdefghij"));
133 test(S("abcdefghij"), 1, 0, "1234567890", S("a1234567890bcdefghij"));
134 test(S("abcdefghij"), 1, 0, "12345678901234567890", S("a12345678901234567890bcdefghij"));
135 test(S("abcdefghij"), 1, 1, "", S("acdefghij"));
136 test(S("abcdefghij"), 1, 1, "12345", S("a12345cdefghij"));
137 test(S("abcdefghij"), 1, 1, "1234567890", S("a1234567890cdefghij"));
138 test(S("abcdefghij"), 1, 1, "12345678901234567890", S("a12345678901234567890cdefghij"));
139
140 return true;
141}
142
143template <class S>
144TEST_CONSTEXPR_CXX20 bool test1() {
145 test(S("abcdefghij"), 1, 4, "", S("afghij"));
146 test(S("abcdefghij"), 1, 4, "12345", S("a12345fghij"));
147 test(S("abcdefghij"), 1, 4, "1234567890", S("a1234567890fghij"));
148 test(S("abcdefghij"), 1, 4, "12345678901234567890", S("a12345678901234567890fghij"));
149 test(S("abcdefghij"), 1, 8, "", S("aj"));
150 test(S("abcdefghij"), 1, 8, "12345", S("a12345j"));
151 test(S("abcdefghij"), 1, 8, "1234567890", S("a1234567890j"));
152 test(S("abcdefghij"), 1, 8, "12345678901234567890", S("a12345678901234567890j"));
153 test(S("abcdefghij"), 1, 9, "", S("a"));
154 test(S("abcdefghij"), 1, 9, "12345", S("a12345"));
155 test(S("abcdefghij"), 1, 9, "1234567890", S("a1234567890"));
156 test(S("abcdefghij"), 1, 9, "12345678901234567890", S("a12345678901234567890"));
157 test(S("abcdefghij"), 5, 0, "", S("abcdefghij"));
158 test(S("abcdefghij"), 5, 0, "12345", S("abcde12345fghij"));
159 test(S("abcdefghij"), 5, 0, "1234567890", S("abcde1234567890fghij"));
160 test(S("abcdefghij"), 5, 0, "12345678901234567890", S("abcde12345678901234567890fghij"));
161 test(S("abcdefghij"), 5, 1, "", S("abcdeghij"));
162 test(S("abcdefghij"), 5, 1, "12345", S("abcde12345ghij"));
163 test(S("abcdefghij"), 5, 1, "1234567890", S("abcde1234567890ghij"));
164 test(S("abcdefghij"), 5, 1, "12345678901234567890", S("abcde12345678901234567890ghij"));
165 test(S("abcdefghij"), 5, 2, "", S("abcdehij"));
166 test(S("abcdefghij"), 5, 2, "12345", S("abcde12345hij"));
167 test(S("abcdefghij"), 5, 2, "1234567890", S("abcde1234567890hij"));
168 test(S("abcdefghij"), 5, 2, "12345678901234567890", S("abcde12345678901234567890hij"));
169 test(S("abcdefghij"), 5, 4, "", S("abcdej"));
170 test(S("abcdefghij"), 5, 4, "12345", S("abcde12345j"));
171 test(S("abcdefghij"), 5, 4, "1234567890", S("abcde1234567890j"));
172 test(S("abcdefghij"), 5, 4, "12345678901234567890", S("abcde12345678901234567890j"));
173 test(S("abcdefghij"), 5, 5, "", S("abcde"));
174 test(S("abcdefghij"), 5, 5, "12345", S("abcde12345"));
175 test(S("abcdefghij"), 5, 5, "1234567890", S("abcde1234567890"));
176 test(S("abcdefghij"), 5, 5, "12345678901234567890", S("abcde12345678901234567890"));
177 test(S("abcdefghij"), 9, 0, "", S("abcdefghij"));
178 test(S("abcdefghij"), 9, 0, "12345", S("abcdefghi12345j"));
179 test(S("abcdefghij"), 9, 0, "1234567890", S("abcdefghi1234567890j"));
180 test(S("abcdefghij"), 9, 0, "12345678901234567890", S("abcdefghi12345678901234567890j"));
181 test(S("abcdefghij"), 9, 1, "", S("abcdefghi"));
182 test(S("abcdefghij"), 9, 1, "12345", S("abcdefghi12345"));
183 test(S("abcdefghij"), 9, 1, "1234567890", S("abcdefghi1234567890"));
184 test(S("abcdefghij"), 9, 1, "12345678901234567890", S("abcdefghi12345678901234567890"));
185 test(S("abcdefghij"), 10, 0, "", S("abcdefghij"));
186 test(S("abcdefghij"), 10, 0, "12345", S("abcdefghij12345"));
187 test(S("abcdefghij"), 10, 0, "1234567890", S("abcdefghij1234567890"));
188 test(S("abcdefghij"), 10, 0, "12345678901234567890", S("abcdefghij12345678901234567890"));
189 test(S("abcdefghijklmnopqrst"), 0, 0, "", S("abcdefghijklmnopqrst"));
190 test(S("abcdefghijklmnopqrst"), 0, 0, "12345", S("12345abcdefghijklmnopqrst"));
191 test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", S("1234567890abcdefghijklmnopqrst"));
192 test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", S("12345678901234567890abcdefghijklmnopqrst"));
193 test(S("abcdefghijklmnopqrst"), 0, 1, "", S("bcdefghijklmnopqrst"));
194 test(S("abcdefghijklmnopqrst"), 0, 1, "12345", S("12345bcdefghijklmnopqrst"));
195 test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", S("1234567890bcdefghijklmnopqrst"));
196 test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", S("12345678901234567890bcdefghijklmnopqrst"));
197 test(S("abcdefghijklmnopqrst"), 0, 10, "", S("klmnopqrst"));
198 test(S("abcdefghijklmnopqrst"), 0, 10, "12345", S("12345klmnopqrst"));
199 test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", S("1234567890klmnopqrst"));
200 test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", S("12345678901234567890klmnopqrst"));
201 test(S("abcdefghijklmnopqrst"), 0, 19, "", S("t"));
202 test(S("abcdefghijklmnopqrst"), 0, 19, "12345", S("12345t"));
203 test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", S("1234567890t"));
204 test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", S("12345678901234567890t"));
205 test(S("abcdefghijklmnopqrst"), 0, 20, "", S(""));
206 test(S("abcdefghijklmnopqrst"), 0, 20, "12345", S("12345"));
207 test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", S("1234567890"));
208 test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", S("12345678901234567890"));
209 test(S("abcdefghijklmnopqrst"), 1, 0, "", S("abcdefghijklmnopqrst"));
210 test(S("abcdefghijklmnopqrst"), 1, 0, "12345", S("a12345bcdefghijklmnopqrst"));
211 test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", S("a1234567890bcdefghijklmnopqrst"));
212 test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", S("a12345678901234567890bcdefghijklmnopqrst"));
213 test(S("abcdefghijklmnopqrst"), 1, 1, "", S("acdefghijklmnopqrst"));
214 test(S("abcdefghijklmnopqrst"), 1, 1, "12345", S("a12345cdefghijklmnopqrst"));
215 test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", S("a1234567890cdefghijklmnopqrst"));
216 test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", S("a12345678901234567890cdefghijklmnopqrst"));
217 test(S("abcdefghijklmnopqrst"), 1, 9, "", S("aklmnopqrst"));
218 test(S("abcdefghijklmnopqrst"), 1, 9, "12345", S("a12345klmnopqrst"));
219 test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", S("a1234567890klmnopqrst"));
220 test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", S("a12345678901234567890klmnopqrst"));
221 test(S("abcdefghijklmnopqrst"), 1, 18, "", S("at"));
222 test(S("abcdefghijklmnopqrst"), 1, 18, "12345", S("a12345t"));
223 test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", S("a1234567890t"));
224 test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", S("a12345678901234567890t"));
225 test(S("abcdefghijklmnopqrst"), 1, 19, "", S("a"));
226 test(S("abcdefghijklmnopqrst"), 1, 19, "12345", S("a12345"));
227 test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", S("a1234567890"));
228 test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", S("a12345678901234567890"));
229 test(S("abcdefghijklmnopqrst"), 10, 0, "", S("abcdefghijklmnopqrst"));
230 test(S("abcdefghijklmnopqrst"), 10, 0, "12345", S("abcdefghij12345klmnopqrst"));
231 test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", S("abcdefghij1234567890klmnopqrst"));
232 test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", S("abcdefghij12345678901234567890klmnopqrst"));
233 test(S("abcdefghijklmnopqrst"), 10, 1, "", S("abcdefghijlmnopqrst"));
234 test(S("abcdefghijklmnopqrst"), 10, 1, "12345", S("abcdefghij12345lmnopqrst"));
235 test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", S("abcdefghij1234567890lmnopqrst"));
236 test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", S("abcdefghij12345678901234567890lmnopqrst"));
237 test(S("abcdefghijklmnopqrst"), 10, 5, "", S("abcdefghijpqrst"));
238 test(S("abcdefghijklmnopqrst"), 10, 5, "12345", S("abcdefghij12345pqrst"));
239 test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", S("abcdefghij1234567890pqrst"));
240 test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", S("abcdefghij12345678901234567890pqrst"));
241 test(S("abcdefghijklmnopqrst"), 10, 9, "", S("abcdefghijt"));
242 test(S("abcdefghijklmnopqrst"), 10, 9, "12345", S("abcdefghij12345t"));
243 test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", S("abcdefghij1234567890t"));
244 test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", S("abcdefghij12345678901234567890t"));
245
246 return true;
247}
248
249template <class S>
250TEST_CONSTEXPR_CXX20 bool test2() {
251 test(S("abcdefghijklmnopqrst"), 10, 10, "", S("abcdefghij"));
252 test(S("abcdefghijklmnopqrst"), 10, 10, "12345", S("abcdefghij12345"));
253 test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", S("abcdefghij1234567890"));
254 test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", S("abcdefghij12345678901234567890"));
255 test(S("abcdefghijklmnopqrst"), 19, 0, "", S("abcdefghijklmnopqrst"));
256 test(S("abcdefghijklmnopqrst"), 19, 0, "12345", S("abcdefghijklmnopqrs12345t"));
257 test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", S("abcdefghijklmnopqrs1234567890t"));
258 test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", S("abcdefghijklmnopqrs12345678901234567890t"));
259 test(S("abcdefghijklmnopqrst"), 19, 1, "", S("abcdefghijklmnopqrs"));
260 test(S("abcdefghijklmnopqrst"), 19, 1, "12345", S("abcdefghijklmnopqrs12345"));
261 test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", S("abcdefghijklmnopqrs1234567890"));
262 test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", S("abcdefghijklmnopqrs12345678901234567890"));
263 test(S("abcdefghijklmnopqrst"), 20, 0, "", S("abcdefghijklmnopqrst"));
264 test(S("abcdefghijklmnopqrst"), 20, 0, "12345", S("abcdefghijklmnopqrst12345"));
265 test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", S("abcdefghijklmnopqrst1234567890"));
266 test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
267
268 { // test replacing into self
269 S s_short = "123/";
270 S s_long = "Lorem ipsum dolor sit amet, consectetur/";
271
272 s_short.replace(s_short.begin(), s_short.begin(), s_short.c_str());
273 assert(s_short == "123/123/");
274 s_short.replace(s_short.begin(), s_short.begin(), s_short.c_str());
275 assert(s_short == "123/123/123/123/");
276 s_short.replace(s_short.begin(), s_short.begin(), s_short.c_str());
277 assert(s_short == "123/123/123/123/123/123/123/123/");
278
279 s_long.replace(s_long.begin(), s_long.begin(), s_long.c_str());
280 assert(s_long == "Lorem ipsum dolor sit amet, consectetur/Lorem ipsum dolor sit amet, consectetur/");
281 }
282
283 return true;
284}
285
286template <class S>
287TEST_CONSTEXPR_CXX20 void test() {
288 test0<S>();
289 test1<S>();
290 test2<S>();
291#if TEST_STD_VER > 17
292 static_assert(test0<S>());
293 static_assert(test1<S>());
294 static_assert(test2<S>());
295#endif
296}
297
298int main(int, char**) {
299 test<std::string>();
300#if TEST_STD_VER >= 11
301 test<std::basic_string<char, std::char_traits<char>, min_allocator<char> > >();
302#endif
303
304 return 0;
305}
306

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