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