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 // insert(size_type pos1, const basic_string<charT,traits,Allocator>& str,
13 // size_type pos2, size_type n=npos);
14 // the "=npos" was added in C++14
15
16 #include <string>
17 #include <stdexcept>
18 #include <cassert>
19
20 #include "test_macros.h"
21 #include "min_allocator.h"
22
23 template <class S>
24 void
test(S s,typename S::size_type pos1,S str,typename S::size_type pos2,typename S::size_type n,S expected)25 test(S s, typename S::size_type pos1, S str, typename S::size_type pos2,
26 typename S::size_type n, S expected)
27 {
28 const typename S::size_type old_size = s.size();
29 S s0 = s;
30 if (pos1 <= old_size && pos2 <= str.size())
31 {
32 s.insert(pos1, str, pos2, n);
33 LIBCPP_ASSERT(s.__invariants());
34 assert(s == expected);
35 }
36 #ifndef TEST_HAS_NO_EXCEPTIONS
37 else
38 {
39 try
40 {
41 s.insert(pos1, str, pos2, n);
42 assert(false);
43 }
44 catch (std::out_of_range&)
45 {
46 assert(pos1 > old_size || pos2 > str.size());
47 assert(s == s0);
48 }
49 }
50 #endif
51 }
52
53 template <class S>
54 void
test_npos(S s,typename S::size_type pos1,S str,typename S::size_type pos2,S expected)55 test_npos(S s, typename S::size_type pos1, S str, typename S::size_type pos2, S expected)
56 {
57 const typename S::size_type old_size = s.size();
58 S s0 = s;
59 if (pos1 <= old_size && pos2 <= str.size())
60 {
61 s.insert(pos1, str, pos2);
62 LIBCPP_ASSERT(s.__invariants());
63 assert(s == expected);
64 }
65 #ifndef TEST_HAS_NO_EXCEPTIONS
66 else
67 {
68 try
69 {
70 s.insert(pos1, str, pos2);
71 assert(false);
72 }
73 catch (std::out_of_range&)
74 {
75 assert(pos1 > old_size || pos2 > str.size());
76 assert(s == s0);
77 }
78 }
79 #endif
80 }
81
82
83 template <class S>
test0()84 void test0()
85 {
86 test(S(""), 0, S(""), 0, 0, S(""));
87 test(S(""), 0, S(""), 0, 1, S(""));
88 test(S(""), 0, S(""), 1, 0, S("can't happen"));
89 test(S(""), 0, S("12345"), 0, 0, S(""));
90 test(S(""), 0, S("12345"), 0, 1, S("1"));
91 test(S(""), 0, S("12345"), 0, 2, S("12"));
92 test(S(""), 0, S("12345"), 0, 4, S("1234"));
93 test(S(""), 0, S("12345"), 0, 5, S("12345"));
94 test(S(""), 0, S("12345"), 0, 6, S("12345"));
95 test(S(""), 0, S("12345"), 1, 0, S(""));
96 test(S(""), 0, S("12345"), 1, 1, S("2"));
97 test(S(""), 0, S("12345"), 1, 2, S("23"));
98 test(S(""), 0, S("12345"), 1, 3, S("234"));
99 test(S(""), 0, S("12345"), 1, 4, S("2345"));
100 test(S(""), 0, S("12345"), 1, 5, S("2345"));
101 test(S(""), 0, S("12345"), 2, 0, S(""));
102 test(S(""), 0, S("12345"), 2, 1, S("3"));
103 test(S(""), 0, S("12345"), 2, 2, S("34"));
104 test(S(""), 0, S("12345"), 2, 3, S("345"));
105 test(S(""), 0, S("12345"), 2, 4, S("345"));
106 test(S(""), 0, S("12345"), 4, 0, S(""));
107 test(S(""), 0, S("12345"), 4, 1, S("5"));
108 test(S(""), 0, S("12345"), 4, 2, S("5"));
109 test(S(""), 0, S("12345"), 5, 0, S(""));
110 test(S(""), 0, S("12345"), 5, 1, S(""));
111 test(S(""), 0, S("12345"), 6, 0, S("can't happen"));
112 test(S(""), 0, S("1234567890"), 0, 0, S(""));
113 test(S(""), 0, S("1234567890"), 0, 1, S("1"));
114 test(S(""), 0, S("1234567890"), 0, 5, S("12345"));
115 test(S(""), 0, S("1234567890"), 0, 9, S("123456789"));
116 test(S(""), 0, S("1234567890"), 0, 10, S("1234567890"));
117 test(S(""), 0, S("1234567890"), 0, 11, S("1234567890"));
118 test(S(""), 0, S("1234567890"), 1, 0, S(""));
119 test(S(""), 0, S("1234567890"), 1, 1, S("2"));
120 test(S(""), 0, S("1234567890"), 1, 4, S("2345"));
121 test(S(""), 0, S("1234567890"), 1, 8, S("23456789"));
122 test(S(""), 0, S("1234567890"), 1, 9, S("234567890"));
123 test(S(""), 0, S("1234567890"), 1, 10, S("234567890"));
124 test(S(""), 0, S("1234567890"), 5, 0, S(""));
125 test(S(""), 0, S("1234567890"), 5, 1, S("6"));
126 test(S(""), 0, S("1234567890"), 5, 2, S("67"));
127 test(S(""), 0, S("1234567890"), 5, 4, S("6789"));
128 test(S(""), 0, S("1234567890"), 5, 5, S("67890"));
129 test(S(""), 0, S("1234567890"), 5, 6, S("67890"));
130 test(S(""), 0, S("1234567890"), 9, 0, S(""));
131 test(S(""), 0, S("1234567890"), 9, 1, S("0"));
132 test(S(""), 0, S("1234567890"), 9, 2, S("0"));
133 test(S(""), 0, S("1234567890"), 10, 0, S(""));
134 test(S(""), 0, S("1234567890"), 10, 1, S(""));
135 test(S(""), 0, S("1234567890"), 11, 0, S("can't happen"));
136 }
137
138 template <class S>
test1()139 void test1()
140 {
141 test(S(""), 0, S("12345678901234567890"), 0, 0, S(""));
142 test(S(""), 0, S("12345678901234567890"), 0, 1, S("1"));
143 test(S(""), 0, S("12345678901234567890"), 0, 10, S("1234567890"));
144 test(S(""), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789"));
145 test(S(""), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890"));
146 test(S(""), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890"));
147 test(S(""), 0, S("12345678901234567890"), 1, 0, S(""));
148 test(S(""), 0, S("12345678901234567890"), 1, 1, S("2"));
149 test(S(""), 0, S("12345678901234567890"), 1, 9, S("234567890"));
150 test(S(""), 0, S("12345678901234567890"), 1, 18, S("234567890123456789"));
151 test(S(""), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890"));
152 test(S(""), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890"));
153 test(S(""), 0, S("12345678901234567890"), 10, 0, S(""));
154 test(S(""), 0, S("12345678901234567890"), 10, 1, S("1"));
155 test(S(""), 0, S("12345678901234567890"), 10, 5, S("12345"));
156 test(S(""), 0, S("12345678901234567890"), 10, 9, S("123456789"));
157 test(S(""), 0, S("12345678901234567890"), 10, 10, S("1234567890"));
158 test(S(""), 0, S("12345678901234567890"), 10, 11, S("1234567890"));
159 test(S(""), 0, S("12345678901234567890"), 19, 0, S(""));
160 test(S(""), 0, S("12345678901234567890"), 19, 1, S("0"));
161 test(S(""), 0, S("12345678901234567890"), 19, 2, S("0"));
162 test(S(""), 0, S("12345678901234567890"), 20, 0, S(""));
163 test(S(""), 0, S("12345678901234567890"), 20, 1, S(""));
164 test(S(""), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
165 test(S(""), 1, S(""), 0, 0, S("can't happen"));
166 test(S(""), 1, S(""), 0, 1, S("can't happen"));
167 test(S(""), 1, S(""), 1, 0, S("can't happen"));
168 test(S(""), 1, S("12345"), 0, 0, S("can't happen"));
169 test(S(""), 1, S("12345"), 0, 1, S("can't happen"));
170 test(S(""), 1, S("12345"), 0, 2, S("can't happen"));
171 test(S(""), 1, S("12345"), 0, 4, S("can't happen"));
172 test(S(""), 1, S("12345"), 0, 5, S("can't happen"));
173 test(S(""), 1, S("12345"), 0, 6, S("can't happen"));
174 test(S(""), 1, S("12345"), 1, 0, S("can't happen"));
175 test(S(""), 1, S("12345"), 1, 1, S("can't happen"));
176 test(S(""), 1, S("12345"), 1, 2, S("can't happen"));
177 test(S(""), 1, S("12345"), 1, 3, S("can't happen"));
178 test(S(""), 1, S("12345"), 1, 4, S("can't happen"));
179 test(S(""), 1, S("12345"), 1, 5, S("can't happen"));
180 test(S(""), 1, S("12345"), 2, 0, S("can't happen"));
181 test(S(""), 1, S("12345"), 2, 1, S("can't happen"));
182 test(S(""), 1, S("12345"), 2, 2, S("can't happen"));
183 test(S(""), 1, S("12345"), 2, 3, S("can't happen"));
184 test(S(""), 1, S("12345"), 2, 4, S("can't happen"));
185 test(S(""), 1, S("12345"), 4, 0, S("can't happen"));
186 test(S(""), 1, S("12345"), 4, 1, S("can't happen"));
187 test(S(""), 1, S("12345"), 4, 2, S("can't happen"));
188 test(S(""), 1, S("12345"), 5, 0, S("can't happen"));
189 test(S(""), 1, S("12345"), 5, 1, S("can't happen"));
190 test(S(""), 1, S("12345"), 6, 0, S("can't happen"));
191 }
192
193 template <class S>
test2()194 void test2()
195 {
196 test(S(""), 1, S("1234567890"), 0, 0, S("can't happen"));
197 test(S(""), 1, S("1234567890"), 0, 1, S("can't happen"));
198 test(S(""), 1, S("1234567890"), 0, 5, S("can't happen"));
199 test(S(""), 1, S("1234567890"), 0, 9, S("can't happen"));
200 test(S(""), 1, S("1234567890"), 0, 10, S("can't happen"));
201 test(S(""), 1, S("1234567890"), 0, 11, S("can't happen"));
202 test(S(""), 1, S("1234567890"), 1, 0, S("can't happen"));
203 test(S(""), 1, S("1234567890"), 1, 1, S("can't happen"));
204 test(S(""), 1, S("1234567890"), 1, 4, S("can't happen"));
205 test(S(""), 1, S("1234567890"), 1, 8, S("can't happen"));
206 test(S(""), 1, S("1234567890"), 1, 9, S("can't happen"));
207 test(S(""), 1, S("1234567890"), 1, 10, S("can't happen"));
208 test(S(""), 1, S("1234567890"), 5, 0, S("can't happen"));
209 test(S(""), 1, S("1234567890"), 5, 1, S("can't happen"));
210 test(S(""), 1, S("1234567890"), 5, 2, S("can't happen"));
211 test(S(""), 1, S("1234567890"), 5, 4, S("can't happen"));
212 test(S(""), 1, S("1234567890"), 5, 5, S("can't happen"));
213 test(S(""), 1, S("1234567890"), 5, 6, S("can't happen"));
214 test(S(""), 1, S("1234567890"), 9, 0, S("can't happen"));
215 test(S(""), 1, S("1234567890"), 9, 1, S("can't happen"));
216 test(S(""), 1, S("1234567890"), 9, 2, S("can't happen"));
217 test(S(""), 1, S("1234567890"), 10, 0, S("can't happen"));
218 test(S(""), 1, S("1234567890"), 10, 1, S("can't happen"));
219 test(S(""), 1, S("1234567890"), 11, 0, S("can't happen"));
220 test(S(""), 1, S("12345678901234567890"), 0, 0, S("can't happen"));
221 test(S(""), 1, S("12345678901234567890"), 0, 1, S("can't happen"));
222 test(S(""), 1, S("12345678901234567890"), 0, 10, S("can't happen"));
223 test(S(""), 1, S("12345678901234567890"), 0, 19, S("can't happen"));
224 test(S(""), 1, S("12345678901234567890"), 0, 20, S("can't happen"));
225 test(S(""), 1, S("12345678901234567890"), 0, 21, S("can't happen"));
226 test(S(""), 1, S("12345678901234567890"), 1, 0, S("can't happen"));
227 test(S(""), 1, S("12345678901234567890"), 1, 1, S("can't happen"));
228 test(S(""), 1, S("12345678901234567890"), 1, 9, S("can't happen"));
229 test(S(""), 1, S("12345678901234567890"), 1, 18, S("can't happen"));
230 test(S(""), 1, S("12345678901234567890"), 1, 19, S("can't happen"));
231 test(S(""), 1, S("12345678901234567890"), 1, 20, S("can't happen"));
232 test(S(""), 1, S("12345678901234567890"), 10, 0, S("can't happen"));
233 test(S(""), 1, S("12345678901234567890"), 10, 1, S("can't happen"));
234 test(S(""), 1, S("12345678901234567890"), 10, 5, S("can't happen"));
235 test(S(""), 1, S("12345678901234567890"), 10, 9, S("can't happen"));
236 test(S(""), 1, S("12345678901234567890"), 10, 10, S("can't happen"));
237 test(S(""), 1, S("12345678901234567890"), 10, 11, S("can't happen"));
238 test(S(""), 1, S("12345678901234567890"), 19, 0, S("can't happen"));
239 test(S(""), 1, S("12345678901234567890"), 19, 1, S("can't happen"));
240 test(S(""), 1, S("12345678901234567890"), 19, 2, S("can't happen"));
241 test(S(""), 1, S("12345678901234567890"), 20, 0, S("can't happen"));
242 test(S(""), 1, S("12345678901234567890"), 20, 1, S("can't happen"));
243 test(S(""), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
244 test(S("abcde"), 0, S(""), 0, 0, S("abcde"));
245 test(S("abcde"), 0, S(""), 0, 1, S("abcde"));
246 }
247
248 template <class S>
test3()249 void test3()
250 {
251 test(S("abcde"), 0, S(""), 1, 0, S("can't happen"));
252 test(S("abcde"), 0, S("12345"), 0, 0, S("abcde"));
253 test(S("abcde"), 0, S("12345"), 0, 1, S("1abcde"));
254 test(S("abcde"), 0, S("12345"), 0, 2, S("12abcde"));
255 test(S("abcde"), 0, S("12345"), 0, 4, S("1234abcde"));
256 test(S("abcde"), 0, S("12345"), 0, 5, S("12345abcde"));
257 test(S("abcde"), 0, S("12345"), 0, 6, S("12345abcde"));
258 test(S("abcde"), 0, S("12345"), 1, 0, S("abcde"));
259 test(S("abcde"), 0, S("12345"), 1, 1, S("2abcde"));
260 test(S("abcde"), 0, S("12345"), 1, 2, S("23abcde"));
261 test(S("abcde"), 0, S("12345"), 1, 3, S("234abcde"));
262 test(S("abcde"), 0, S("12345"), 1, 4, S("2345abcde"));
263 test(S("abcde"), 0, S("12345"), 1, 5, S("2345abcde"));
264 test(S("abcde"), 0, S("12345"), 2, 0, S("abcde"));
265 test(S("abcde"), 0, S("12345"), 2, 1, S("3abcde"));
266 test(S("abcde"), 0, S("12345"), 2, 2, S("34abcde"));
267 test(S("abcde"), 0, S("12345"), 2, 3, S("345abcde"));
268 test(S("abcde"), 0, S("12345"), 2, 4, S("345abcde"));
269 test(S("abcde"), 0, S("12345"), 4, 0, S("abcde"));
270 test(S("abcde"), 0, S("12345"), 4, 1, S("5abcde"));
271 test(S("abcde"), 0, S("12345"), 4, 2, S("5abcde"));
272 test(S("abcde"), 0, S("12345"), 5, 0, S("abcde"));
273 test(S("abcde"), 0, S("12345"), 5, 1, S("abcde"));
274 test(S("abcde"), 0, S("12345"), 6, 0, S("can't happen"));
275 test(S("abcde"), 0, S("1234567890"), 0, 0, S("abcde"));
276 test(S("abcde"), 0, S("1234567890"), 0, 1, S("1abcde"));
277 test(S("abcde"), 0, S("1234567890"), 0, 5, S("12345abcde"));
278 test(S("abcde"), 0, S("1234567890"), 0, 9, S("123456789abcde"));
279 test(S("abcde"), 0, S("1234567890"), 0, 10, S("1234567890abcde"));
280 test(S("abcde"), 0, S("1234567890"), 0, 11, S("1234567890abcde"));
281 test(S("abcde"), 0, S("1234567890"), 1, 0, S("abcde"));
282 test(S("abcde"), 0, S("1234567890"), 1, 1, S("2abcde"));
283 test(S("abcde"), 0, S("1234567890"), 1, 4, S("2345abcde"));
284 test(S("abcde"), 0, S("1234567890"), 1, 8, S("23456789abcde"));
285 test(S("abcde"), 0, S("1234567890"), 1, 9, S("234567890abcde"));
286 test(S("abcde"), 0, S("1234567890"), 1, 10, S("234567890abcde"));
287 test(S("abcde"), 0, S("1234567890"), 5, 0, S("abcde"));
288 test(S("abcde"), 0, S("1234567890"), 5, 1, S("6abcde"));
289 test(S("abcde"), 0, S("1234567890"), 5, 2, S("67abcde"));
290 test(S("abcde"), 0, S("1234567890"), 5, 4, S("6789abcde"));
291 test(S("abcde"), 0, S("1234567890"), 5, 5, S("67890abcde"));
292 test(S("abcde"), 0, S("1234567890"), 5, 6, S("67890abcde"));
293 test(S("abcde"), 0, S("1234567890"), 9, 0, S("abcde"));
294 test(S("abcde"), 0, S("1234567890"), 9, 1, S("0abcde"));
295 test(S("abcde"), 0, S("1234567890"), 9, 2, S("0abcde"));
296 test(S("abcde"), 0, S("1234567890"), 10, 0, S("abcde"));
297 test(S("abcde"), 0, S("1234567890"), 10, 1, S("abcde"));
298 test(S("abcde"), 0, S("1234567890"), 11, 0, S("can't happen"));
299 test(S("abcde"), 0, S("12345678901234567890"), 0, 0, S("abcde"));
300 test(S("abcde"), 0, S("12345678901234567890"), 0, 1, S("1abcde"));
301 }
302
303 template <class S>
test4()304 void test4()
305 {
306 test(S("abcde"), 0, S("12345678901234567890"), 0, 10, S("1234567890abcde"));
307 test(S("abcde"), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789abcde"));
308 test(S("abcde"), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890abcde"));
309 test(S("abcde"), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890abcde"));
310 test(S("abcde"), 0, S("12345678901234567890"), 1, 0, S("abcde"));
311 test(S("abcde"), 0, S("12345678901234567890"), 1, 1, S("2abcde"));
312 test(S("abcde"), 0, S("12345678901234567890"), 1, 9, S("234567890abcde"));
313 test(S("abcde"), 0, S("12345678901234567890"), 1, 18, S("234567890123456789abcde"));
314 test(S("abcde"), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890abcde"));
315 test(S("abcde"), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890abcde"));
316 test(S("abcde"), 0, S("12345678901234567890"), 10, 0, S("abcde"));
317 test(S("abcde"), 0, S("12345678901234567890"), 10, 1, S("1abcde"));
318 test(S("abcde"), 0, S("12345678901234567890"), 10, 5, S("12345abcde"));
319 test(S("abcde"), 0, S("12345678901234567890"), 10, 9, S("123456789abcde"));
320 test(S("abcde"), 0, S("12345678901234567890"), 10, 10, S("1234567890abcde"));
321 test(S("abcde"), 0, S("12345678901234567890"), 10, 11, S("1234567890abcde"));
322 test(S("abcde"), 0, S("12345678901234567890"), 19, 0, S("abcde"));
323 test(S("abcde"), 0, S("12345678901234567890"), 19, 1, S("0abcde"));
324 test(S("abcde"), 0, S("12345678901234567890"), 19, 2, S("0abcde"));
325 test(S("abcde"), 0, S("12345678901234567890"), 20, 0, S("abcde"));
326 test(S("abcde"), 0, S("12345678901234567890"), 20, 1, S("abcde"));
327 test(S("abcde"), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
328 test(S("abcde"), 1, S(""), 0, 0, S("abcde"));
329 test(S("abcde"), 1, S(""), 0, 1, S("abcde"));
330 test(S("abcde"), 1, S(""), 1, 0, S("can't happen"));
331 test(S("abcde"), 1, S("12345"), 0, 0, S("abcde"));
332 test(S("abcde"), 1, S("12345"), 0, 1, S("a1bcde"));
333 test(S("abcde"), 1, S("12345"), 0, 2, S("a12bcde"));
334 test(S("abcde"), 1, S("12345"), 0, 4, S("a1234bcde"));
335 test(S("abcde"), 1, S("12345"), 0, 5, S("a12345bcde"));
336 test(S("abcde"), 1, S("12345"), 0, 6, S("a12345bcde"));
337 test(S("abcde"), 1, S("12345"), 1, 0, S("abcde"));
338 test(S("abcde"), 1, S("12345"), 1, 1, S("a2bcde"));
339 test(S("abcde"), 1, S("12345"), 1, 2, S("a23bcde"));
340 test(S("abcde"), 1, S("12345"), 1, 3, S("a234bcde"));
341 test(S("abcde"), 1, S("12345"), 1, 4, S("a2345bcde"));
342 test(S("abcde"), 1, S("12345"), 1, 5, S("a2345bcde"));
343 test(S("abcde"), 1, S("12345"), 2, 0, S("abcde"));
344 test(S("abcde"), 1, S("12345"), 2, 1, S("a3bcde"));
345 test(S("abcde"), 1, S("12345"), 2, 2, S("a34bcde"));
346 test(S("abcde"), 1, S("12345"), 2, 3, S("a345bcde"));
347 test(S("abcde"), 1, S("12345"), 2, 4, S("a345bcde"));
348 test(S("abcde"), 1, S("12345"), 4, 0, S("abcde"));
349 test(S("abcde"), 1, S("12345"), 4, 1, S("a5bcde"));
350 test(S("abcde"), 1, S("12345"), 4, 2, S("a5bcde"));
351 test(S("abcde"), 1, S("12345"), 5, 0, S("abcde"));
352 test(S("abcde"), 1, S("12345"), 5, 1, S("abcde"));
353 test(S("abcde"), 1, S("12345"), 6, 0, S("can't happen"));
354 test(S("abcde"), 1, S("1234567890"), 0, 0, S("abcde"));
355 test(S("abcde"), 1, S("1234567890"), 0, 1, S("a1bcde"));
356 }
357
358 template <class S>
test5()359 void test5()
360 {
361 test(S("abcde"), 1, S("1234567890"), 0, 5, S("a12345bcde"));
362 test(S("abcde"), 1, S("1234567890"), 0, 9, S("a123456789bcde"));
363 test(S("abcde"), 1, S("1234567890"), 0, 10, S("a1234567890bcde"));
364 test(S("abcde"), 1, S("1234567890"), 0, 11, S("a1234567890bcde"));
365 test(S("abcde"), 1, S("1234567890"), 1, 0, S("abcde"));
366 test(S("abcde"), 1, S("1234567890"), 1, 1, S("a2bcde"));
367 test(S("abcde"), 1, S("1234567890"), 1, 4, S("a2345bcde"));
368 test(S("abcde"), 1, S("1234567890"), 1, 8, S("a23456789bcde"));
369 test(S("abcde"), 1, S("1234567890"), 1, 9, S("a234567890bcde"));
370 test(S("abcde"), 1, S("1234567890"), 1, 10, S("a234567890bcde"));
371 test(S("abcde"), 1, S("1234567890"), 5, 0, S("abcde"));
372 test(S("abcde"), 1, S("1234567890"), 5, 1, S("a6bcde"));
373 test(S("abcde"), 1, S("1234567890"), 5, 2, S("a67bcde"));
374 test(S("abcde"), 1, S("1234567890"), 5, 4, S("a6789bcde"));
375 test(S("abcde"), 1, S("1234567890"), 5, 5, S("a67890bcde"));
376 test(S("abcde"), 1, S("1234567890"), 5, 6, S("a67890bcde"));
377 test(S("abcde"), 1, S("1234567890"), 9, 0, S("abcde"));
378 test(S("abcde"), 1, S("1234567890"), 9, 1, S("a0bcde"));
379 test(S("abcde"), 1, S("1234567890"), 9, 2, S("a0bcde"));
380 test(S("abcde"), 1, S("1234567890"), 10, 0, S("abcde"));
381 test(S("abcde"), 1, S("1234567890"), 10, 1, S("abcde"));
382 test(S("abcde"), 1, S("1234567890"), 11, 0, S("can't happen"));
383 test(S("abcde"), 1, S("12345678901234567890"), 0, 0, S("abcde"));
384 test(S("abcde"), 1, S("12345678901234567890"), 0, 1, S("a1bcde"));
385 test(S("abcde"), 1, S("12345678901234567890"), 0, 10, S("a1234567890bcde"));
386 test(S("abcde"), 1, S("12345678901234567890"), 0, 19, S("a1234567890123456789bcde"));
387 test(S("abcde"), 1, S("12345678901234567890"), 0, 20, S("a12345678901234567890bcde"));
388 test(S("abcde"), 1, S("12345678901234567890"), 0, 21, S("a12345678901234567890bcde"));
389 test(S("abcde"), 1, S("12345678901234567890"), 1, 0, S("abcde"));
390 test(S("abcde"), 1, S("12345678901234567890"), 1, 1, S("a2bcde"));
391 test(S("abcde"), 1, S("12345678901234567890"), 1, 9, S("a234567890bcde"));
392 test(S("abcde"), 1, S("12345678901234567890"), 1, 18, S("a234567890123456789bcde"));
393 test(S("abcde"), 1, S("12345678901234567890"), 1, 19, S("a2345678901234567890bcde"));
394 test(S("abcde"), 1, S("12345678901234567890"), 1, 20, S("a2345678901234567890bcde"));
395 test(S("abcde"), 1, S("12345678901234567890"), 10, 0, S("abcde"));
396 test(S("abcde"), 1, S("12345678901234567890"), 10, 1, S("a1bcde"));
397 test(S("abcde"), 1, S("12345678901234567890"), 10, 5, S("a12345bcde"));
398 test(S("abcde"), 1, S("12345678901234567890"), 10, 9, S("a123456789bcde"));
399 test(S("abcde"), 1, S("12345678901234567890"), 10, 10, S("a1234567890bcde"));
400 test(S("abcde"), 1, S("12345678901234567890"), 10, 11, S("a1234567890bcde"));
401 test(S("abcde"), 1, S("12345678901234567890"), 19, 0, S("abcde"));
402 test(S("abcde"), 1, S("12345678901234567890"), 19, 1, S("a0bcde"));
403 test(S("abcde"), 1, S("12345678901234567890"), 19, 2, S("a0bcde"));
404 test(S("abcde"), 1, S("12345678901234567890"), 20, 0, S("abcde"));
405 test(S("abcde"), 1, S("12345678901234567890"), 20, 1, S("abcde"));
406 test(S("abcde"), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
407 test(S("abcde"), 2, S(""), 0, 0, S("abcde"));
408 test(S("abcde"), 2, S(""), 0, 1, S("abcde"));
409 test(S("abcde"), 2, S(""), 1, 0, S("can't happen"));
410 test(S("abcde"), 2, S("12345"), 0, 0, S("abcde"));
411 }
412
413 template <class S>
test6()414 void test6()
415 {
416 test(S("abcde"), 2, S("12345"), 0, 1, S("ab1cde"));
417 test(S("abcde"), 2, S("12345"), 0, 2, S("ab12cde"));
418 test(S("abcde"), 2, S("12345"), 0, 4, S("ab1234cde"));
419 test(S("abcde"), 2, S("12345"), 0, 5, S("ab12345cde"));
420 test(S("abcde"), 2, S("12345"), 0, 6, S("ab12345cde"));
421 test(S("abcde"), 2, S("12345"), 1, 0, S("abcde"));
422 test(S("abcde"), 2, S("12345"), 1, 1, S("ab2cde"));
423 test(S("abcde"), 2, S("12345"), 1, 2, S("ab23cde"));
424 test(S("abcde"), 2, S("12345"), 1, 3, S("ab234cde"));
425 test(S("abcde"), 2, S("12345"), 1, 4, S("ab2345cde"));
426 test(S("abcde"), 2, S("12345"), 1, 5, S("ab2345cde"));
427 test(S("abcde"), 2, S("12345"), 2, 0, S("abcde"));
428 test(S("abcde"), 2, S("12345"), 2, 1, S("ab3cde"));
429 test(S("abcde"), 2, S("12345"), 2, 2, S("ab34cde"));
430 test(S("abcde"), 2, S("12345"), 2, 3, S("ab345cde"));
431 test(S("abcde"), 2, S("12345"), 2, 4, S("ab345cde"));
432 test(S("abcde"), 2, S("12345"), 4, 0, S("abcde"));
433 test(S("abcde"), 2, S("12345"), 4, 1, S("ab5cde"));
434 test(S("abcde"), 2, S("12345"), 4, 2, S("ab5cde"));
435 test(S("abcde"), 2, S("12345"), 5, 0, S("abcde"));
436 test(S("abcde"), 2, S("12345"), 5, 1, S("abcde"));
437 test(S("abcde"), 2, S("12345"), 6, 0, S("can't happen"));
438 test(S("abcde"), 2, S("1234567890"), 0, 0, S("abcde"));
439 test(S("abcde"), 2, S("1234567890"), 0, 1, S("ab1cde"));
440 test(S("abcde"), 2, S("1234567890"), 0, 5, S("ab12345cde"));
441 test(S("abcde"), 2, S("1234567890"), 0, 9, S("ab123456789cde"));
442 test(S("abcde"), 2, S("1234567890"), 0, 10, S("ab1234567890cde"));
443 test(S("abcde"), 2, S("1234567890"), 0, 11, S("ab1234567890cde"));
444 test(S("abcde"), 2, S("1234567890"), 1, 0, S("abcde"));
445 test(S("abcde"), 2, S("1234567890"), 1, 1, S("ab2cde"));
446 test(S("abcde"), 2, S("1234567890"), 1, 4, S("ab2345cde"));
447 test(S("abcde"), 2, S("1234567890"), 1, 8, S("ab23456789cde"));
448 test(S("abcde"), 2, S("1234567890"), 1, 9, S("ab234567890cde"));
449 test(S("abcde"), 2, S("1234567890"), 1, 10, S("ab234567890cde"));
450 test(S("abcde"), 2, S("1234567890"), 5, 0, S("abcde"));
451 test(S("abcde"), 2, S("1234567890"), 5, 1, S("ab6cde"));
452 test(S("abcde"), 2, S("1234567890"), 5, 2, S("ab67cde"));
453 test(S("abcde"), 2, S("1234567890"), 5, 4, S("ab6789cde"));
454 test(S("abcde"), 2, S("1234567890"), 5, 5, S("ab67890cde"));
455 test(S("abcde"), 2, S("1234567890"), 5, 6, S("ab67890cde"));
456 test(S("abcde"), 2, S("1234567890"), 9, 0, S("abcde"));
457 test(S("abcde"), 2, S("1234567890"), 9, 1, S("ab0cde"));
458 test(S("abcde"), 2, S("1234567890"), 9, 2, S("ab0cde"));
459 test(S("abcde"), 2, S("1234567890"), 10, 0, S("abcde"));
460 test(S("abcde"), 2, S("1234567890"), 10, 1, S("abcde"));
461 test(S("abcde"), 2, S("1234567890"), 11, 0, S("can't happen"));
462 test(S("abcde"), 2, S("12345678901234567890"), 0, 0, S("abcde"));
463 test(S("abcde"), 2, S("12345678901234567890"), 0, 1, S("ab1cde"));
464 test(S("abcde"), 2, S("12345678901234567890"), 0, 10, S("ab1234567890cde"));
465 test(S("abcde"), 2, S("12345678901234567890"), 0, 19, S("ab1234567890123456789cde"));
466 }
467
468 template <class S>
test7()469 void test7()
470 {
471 test(S("abcde"), 2, S("12345678901234567890"), 0, 20, S("ab12345678901234567890cde"));
472 test(S("abcde"), 2, S("12345678901234567890"), 0, 21, S("ab12345678901234567890cde"));
473 test(S("abcde"), 2, S("12345678901234567890"), 1, 0, S("abcde"));
474 test(S("abcde"), 2, S("12345678901234567890"), 1, 1, S("ab2cde"));
475 test(S("abcde"), 2, S("12345678901234567890"), 1, 9, S("ab234567890cde"));
476 test(S("abcde"), 2, S("12345678901234567890"), 1, 18, S("ab234567890123456789cde"));
477 test(S("abcde"), 2, S("12345678901234567890"), 1, 19, S("ab2345678901234567890cde"));
478 test(S("abcde"), 2, S("12345678901234567890"), 1, 20, S("ab2345678901234567890cde"));
479 test(S("abcde"), 2, S("12345678901234567890"), 10, 0, S("abcde"));
480 test(S("abcde"), 2, S("12345678901234567890"), 10, 1, S("ab1cde"));
481 test(S("abcde"), 2, S("12345678901234567890"), 10, 5, S("ab12345cde"));
482 test(S("abcde"), 2, S("12345678901234567890"), 10, 9, S("ab123456789cde"));
483 test(S("abcde"), 2, S("12345678901234567890"), 10, 10, S("ab1234567890cde"));
484 test(S("abcde"), 2, S("12345678901234567890"), 10, 11, S("ab1234567890cde"));
485 test(S("abcde"), 2, S("12345678901234567890"), 19, 0, S("abcde"));
486 test(S("abcde"), 2, S("12345678901234567890"), 19, 1, S("ab0cde"));
487 test(S("abcde"), 2, S("12345678901234567890"), 19, 2, S("ab0cde"));
488 test(S("abcde"), 2, S("12345678901234567890"), 20, 0, S("abcde"));
489 test(S("abcde"), 2, S("12345678901234567890"), 20, 1, S("abcde"));
490 test(S("abcde"), 2, S("12345678901234567890"), 21, 0, S("can't happen"));
491 test(S("abcde"), 4, S(""), 0, 0, S("abcde"));
492 test(S("abcde"), 4, S(""), 0, 1, S("abcde"));
493 test(S("abcde"), 4, S(""), 1, 0, S("can't happen"));
494 test(S("abcde"), 4, S("12345"), 0, 0, S("abcde"));
495 test(S("abcde"), 4, S("12345"), 0, 1, S("abcd1e"));
496 test(S("abcde"), 4, S("12345"), 0, 2, S("abcd12e"));
497 test(S("abcde"), 4, S("12345"), 0, 4, S("abcd1234e"));
498 test(S("abcde"), 4, S("12345"), 0, 5, S("abcd12345e"));
499 test(S("abcde"), 4, S("12345"), 0, 6, S("abcd12345e"));
500 test(S("abcde"), 4, S("12345"), 1, 0, S("abcde"));
501 test(S("abcde"), 4, S("12345"), 1, 1, S("abcd2e"));
502 test(S("abcde"), 4, S("12345"), 1, 2, S("abcd23e"));
503 test(S("abcde"), 4, S("12345"), 1, 3, S("abcd234e"));
504 test(S("abcde"), 4, S("12345"), 1, 4, S("abcd2345e"));
505 test(S("abcde"), 4, S("12345"), 1, 5, S("abcd2345e"));
506 test(S("abcde"), 4, S("12345"), 2, 0, S("abcde"));
507 test(S("abcde"), 4, S("12345"), 2, 1, S("abcd3e"));
508 test(S("abcde"), 4, S("12345"), 2, 2, S("abcd34e"));
509 test(S("abcde"), 4, S("12345"), 2, 3, S("abcd345e"));
510 test(S("abcde"), 4, S("12345"), 2, 4, S("abcd345e"));
511 test(S("abcde"), 4, S("12345"), 4, 0, S("abcde"));
512 test(S("abcde"), 4, S("12345"), 4, 1, S("abcd5e"));
513 test(S("abcde"), 4, S("12345"), 4, 2, S("abcd5e"));
514 test(S("abcde"), 4, S("12345"), 5, 0, S("abcde"));
515 test(S("abcde"), 4, S("12345"), 5, 1, S("abcde"));
516 test(S("abcde"), 4, S("12345"), 6, 0, S("can't happen"));
517 test(S("abcde"), 4, S("1234567890"), 0, 0, S("abcde"));
518 test(S("abcde"), 4, S("1234567890"), 0, 1, S("abcd1e"));
519 test(S("abcde"), 4, S("1234567890"), 0, 5, S("abcd12345e"));
520 test(S("abcde"), 4, S("1234567890"), 0, 9, S("abcd123456789e"));
521 }
522
523 template <class S>
test8()524 void test8()
525 {
526 test(S("abcde"), 4, S("1234567890"), 0, 10, S("abcd1234567890e"));
527 test(S("abcde"), 4, S("1234567890"), 0, 11, S("abcd1234567890e"));
528 test(S("abcde"), 4, S("1234567890"), 1, 0, S("abcde"));
529 test(S("abcde"), 4, S("1234567890"), 1, 1, S("abcd2e"));
530 test(S("abcde"), 4, S("1234567890"), 1, 4, S("abcd2345e"));
531 test(S("abcde"), 4, S("1234567890"), 1, 8, S("abcd23456789e"));
532 test(S("abcde"), 4, S("1234567890"), 1, 9, S("abcd234567890e"));
533 test(S("abcde"), 4, S("1234567890"), 1, 10, S("abcd234567890e"));
534 test(S("abcde"), 4, S("1234567890"), 5, 0, S("abcde"));
535 test(S("abcde"), 4, S("1234567890"), 5, 1, S("abcd6e"));
536 test(S("abcde"), 4, S("1234567890"), 5, 2, S("abcd67e"));
537 test(S("abcde"), 4, S("1234567890"), 5, 4, S("abcd6789e"));
538 test(S("abcde"), 4, S("1234567890"), 5, 5, S("abcd67890e"));
539 test(S("abcde"), 4, S("1234567890"), 5, 6, S("abcd67890e"));
540 test(S("abcde"), 4, S("1234567890"), 9, 0, S("abcde"));
541 test(S("abcde"), 4, S("1234567890"), 9, 1, S("abcd0e"));
542 test(S("abcde"), 4, S("1234567890"), 9, 2, S("abcd0e"));
543 test(S("abcde"), 4, S("1234567890"), 10, 0, S("abcde"));
544 test(S("abcde"), 4, S("1234567890"), 10, 1, S("abcde"));
545 test(S("abcde"), 4, S("1234567890"), 11, 0, S("can't happen"));
546 test(S("abcde"), 4, S("12345678901234567890"), 0, 0, S("abcde"));
547 test(S("abcde"), 4, S("12345678901234567890"), 0, 1, S("abcd1e"));
548 test(S("abcde"), 4, S("12345678901234567890"), 0, 10, S("abcd1234567890e"));
549 test(S("abcde"), 4, S("12345678901234567890"), 0, 19, S("abcd1234567890123456789e"));
550 test(S("abcde"), 4, S("12345678901234567890"), 0, 20, S("abcd12345678901234567890e"));
551 test(S("abcde"), 4, S("12345678901234567890"), 0, 21, S("abcd12345678901234567890e"));
552 test(S("abcde"), 4, S("12345678901234567890"), 1, 0, S("abcde"));
553 test(S("abcde"), 4, S("12345678901234567890"), 1, 1, S("abcd2e"));
554 test(S("abcde"), 4, S("12345678901234567890"), 1, 9, S("abcd234567890e"));
555 test(S("abcde"), 4, S("12345678901234567890"), 1, 18, S("abcd234567890123456789e"));
556 test(S("abcde"), 4, S("12345678901234567890"), 1, 19, S("abcd2345678901234567890e"));
557 test(S("abcde"), 4, S("12345678901234567890"), 1, 20, S("abcd2345678901234567890e"));
558 test(S("abcde"), 4, S("12345678901234567890"), 10, 0, S("abcde"));
559 test(S("abcde"), 4, S("12345678901234567890"), 10, 1, S("abcd1e"));
560 test(S("abcde"), 4, S("12345678901234567890"), 10, 5, S("abcd12345e"));
561 test(S("abcde"), 4, S("12345678901234567890"), 10, 9, S("abcd123456789e"));
562 test(S("abcde"), 4, S("12345678901234567890"), 10, 10, S("abcd1234567890e"));
563 test(S("abcde"), 4, S("12345678901234567890"), 10, 11, S("abcd1234567890e"));
564 test(S("abcde"), 4, S("12345678901234567890"), 19, 0, S("abcde"));
565 test(S("abcde"), 4, S("12345678901234567890"), 19, 1, S("abcd0e"));
566 test(S("abcde"), 4, S("12345678901234567890"), 19, 2, S("abcd0e"));
567 test(S("abcde"), 4, S("12345678901234567890"), 20, 0, S("abcde"));
568 test(S("abcde"), 4, S("12345678901234567890"), 20, 1, S("abcde"));
569 test(S("abcde"), 4, S("12345678901234567890"), 21, 0, S("can't happen"));
570 test(S("abcde"), 5, S(""), 0, 0, S("abcde"));
571 test(S("abcde"), 5, S(""), 0, 1, S("abcde"));
572 test(S("abcde"), 5, S(""), 1, 0, S("can't happen"));
573 test(S("abcde"), 5, S("12345"), 0, 0, S("abcde"));
574 test(S("abcde"), 5, S("12345"), 0, 1, S("abcde1"));
575 test(S("abcde"), 5, S("12345"), 0, 2, S("abcde12"));
576 }
577
578 template <class S>
test9()579 void test9()
580 {
581 test(S("abcde"), 5, S("12345"), 0, 4, S("abcde1234"));
582 test(S("abcde"), 5, S("12345"), 0, 5, S("abcde12345"));
583 test(S("abcde"), 5, S("12345"), 0, 6, S("abcde12345"));
584 test(S("abcde"), 5, S("12345"), 1, 0, S("abcde"));
585 test(S("abcde"), 5, S("12345"), 1, 1, S("abcde2"));
586 test(S("abcde"), 5, S("12345"), 1, 2, S("abcde23"));
587 test(S("abcde"), 5, S("12345"), 1, 3, S("abcde234"));
588 test(S("abcde"), 5, S("12345"), 1, 4, S("abcde2345"));
589 test(S("abcde"), 5, S("12345"), 1, 5, S("abcde2345"));
590 test(S("abcde"), 5, S("12345"), 2, 0, S("abcde"));
591 test(S("abcde"), 5, S("12345"), 2, 1, S("abcde3"));
592 test(S("abcde"), 5, S("12345"), 2, 2, S("abcde34"));
593 test(S("abcde"), 5, S("12345"), 2, 3, S("abcde345"));
594 test(S("abcde"), 5, S("12345"), 2, 4, S("abcde345"));
595 test(S("abcde"), 5, S("12345"), 4, 0, S("abcde"));
596 test(S("abcde"), 5, S("12345"), 4, 1, S("abcde5"));
597 test(S("abcde"), 5, S("12345"), 4, 2, S("abcde5"));
598 test(S("abcde"), 5, S("12345"), 5, 0, S("abcde"));
599 test(S("abcde"), 5, S("12345"), 5, 1, S("abcde"));
600 test(S("abcde"), 5, S("12345"), 6, 0, S("can't happen"));
601 test(S("abcde"), 5, S("1234567890"), 0, 0, S("abcde"));
602 test(S("abcde"), 5, S("1234567890"), 0, 1, S("abcde1"));
603 test(S("abcde"), 5, S("1234567890"), 0, 5, S("abcde12345"));
604 test(S("abcde"), 5, S("1234567890"), 0, 9, S("abcde123456789"));
605 test(S("abcde"), 5, S("1234567890"), 0, 10, S("abcde1234567890"));
606 test(S("abcde"), 5, S("1234567890"), 0, 11, S("abcde1234567890"));
607 test(S("abcde"), 5, S("1234567890"), 1, 0, S("abcde"));
608 test(S("abcde"), 5, S("1234567890"), 1, 1, S("abcde2"));
609 test(S("abcde"), 5, S("1234567890"), 1, 4, S("abcde2345"));
610 test(S("abcde"), 5, S("1234567890"), 1, 8, S("abcde23456789"));
611 test(S("abcde"), 5, S("1234567890"), 1, 9, S("abcde234567890"));
612 test(S("abcde"), 5, S("1234567890"), 1, 10, S("abcde234567890"));
613 test(S("abcde"), 5, S("1234567890"), 5, 0, S("abcde"));
614 test(S("abcde"), 5, S("1234567890"), 5, 1, S("abcde6"));
615 test(S("abcde"), 5, S("1234567890"), 5, 2, S("abcde67"));
616 test(S("abcde"), 5, S("1234567890"), 5, 4, S("abcde6789"));
617 test(S("abcde"), 5, S("1234567890"), 5, 5, S("abcde67890"));
618 test(S("abcde"), 5, S("1234567890"), 5, 6, S("abcde67890"));
619 test(S("abcde"), 5, S("1234567890"), 9, 0, S("abcde"));
620 test(S("abcde"), 5, S("1234567890"), 9, 1, S("abcde0"));
621 test(S("abcde"), 5, S("1234567890"), 9, 2, S("abcde0"));
622 test(S("abcde"), 5, S("1234567890"), 10, 0, S("abcde"));
623 test(S("abcde"), 5, S("1234567890"), 10, 1, S("abcde"));
624 test(S("abcde"), 5, S("1234567890"), 11, 0, S("can't happen"));
625 test(S("abcde"), 5, S("12345678901234567890"), 0, 0, S("abcde"));
626 test(S("abcde"), 5, S("12345678901234567890"), 0, 1, S("abcde1"));
627 test(S("abcde"), 5, S("12345678901234567890"), 0, 10, S("abcde1234567890"));
628 test(S("abcde"), 5, S("12345678901234567890"), 0, 19, S("abcde1234567890123456789"));
629 test(S("abcde"), 5, S("12345678901234567890"), 0, 20, S("abcde12345678901234567890"));
630 test(S("abcde"), 5, S("12345678901234567890"), 0, 21, S("abcde12345678901234567890"));
631 }
632
633 template <class S>
test10()634 void test10()
635 {
636 test(S("abcde"), 5, S("12345678901234567890"), 1, 0, S("abcde"));
637 test(S("abcde"), 5, S("12345678901234567890"), 1, 1, S("abcde2"));
638 test(S("abcde"), 5, S("12345678901234567890"), 1, 9, S("abcde234567890"));
639 test(S("abcde"), 5, S("12345678901234567890"), 1, 18, S("abcde234567890123456789"));
640 test(S("abcde"), 5, S("12345678901234567890"), 1, 19, S("abcde2345678901234567890"));
641 test(S("abcde"), 5, S("12345678901234567890"), 1, 20, S("abcde2345678901234567890"));
642 test(S("abcde"), 5, S("12345678901234567890"), 10, 0, S("abcde"));
643 test(S("abcde"), 5, S("12345678901234567890"), 10, 1, S("abcde1"));
644 test(S("abcde"), 5, S("12345678901234567890"), 10, 5, S("abcde12345"));
645 test(S("abcde"), 5, S("12345678901234567890"), 10, 9, S("abcde123456789"));
646 test(S("abcde"), 5, S("12345678901234567890"), 10, 10, S("abcde1234567890"));
647 test(S("abcde"), 5, S("12345678901234567890"), 10, 11, S("abcde1234567890"));
648 test(S("abcde"), 5, S("12345678901234567890"), 19, 0, S("abcde"));
649 test(S("abcde"), 5, S("12345678901234567890"), 19, 1, S("abcde0"));
650 test(S("abcde"), 5, S("12345678901234567890"), 19, 2, S("abcde0"));
651 test(S("abcde"), 5, S("12345678901234567890"), 20, 0, S("abcde"));
652 test(S("abcde"), 5, S("12345678901234567890"), 20, 1, S("abcde"));
653 test(S("abcde"), 5, S("12345678901234567890"), 21, 0, S("can't happen"));
654 test(S("abcde"), 6, S(""), 0, 0, S("can't happen"));
655 test(S("abcde"), 6, S(""), 0, 1, S("can't happen"));
656 test(S("abcde"), 6, S(""), 1, 0, S("can't happen"));
657 test(S("abcde"), 6, S("12345"), 0, 0, S("can't happen"));
658 test(S("abcde"), 6, S("12345"), 0, 1, S("can't happen"));
659 test(S("abcde"), 6, S("12345"), 0, 2, S("can't happen"));
660 test(S("abcde"), 6, S("12345"), 0, 4, S("can't happen"));
661 test(S("abcde"), 6, S("12345"), 0, 5, S("can't happen"));
662 test(S("abcde"), 6, S("12345"), 0, 6, S("can't happen"));
663 test(S("abcde"), 6, S("12345"), 1, 0, S("can't happen"));
664 test(S("abcde"), 6, S("12345"), 1, 1, S("can't happen"));
665 test(S("abcde"), 6, S("12345"), 1, 2, S("can't happen"));
666 test(S("abcde"), 6, S("12345"), 1, 3, S("can't happen"));
667 test(S("abcde"), 6, S("12345"), 1, 4, S("can't happen"));
668 test(S("abcde"), 6, S("12345"), 1, 5, S("can't happen"));
669 test(S("abcde"), 6, S("12345"), 2, 0, S("can't happen"));
670 test(S("abcde"), 6, S("12345"), 2, 1, S("can't happen"));
671 test(S("abcde"), 6, S("12345"), 2, 2, S("can't happen"));
672 test(S("abcde"), 6, S("12345"), 2, 3, S("can't happen"));
673 test(S("abcde"), 6, S("12345"), 2, 4, S("can't happen"));
674 test(S("abcde"), 6, S("12345"), 4, 0, S("can't happen"));
675 test(S("abcde"), 6, S("12345"), 4, 1, S("can't happen"));
676 test(S("abcde"), 6, S("12345"), 4, 2, S("can't happen"));
677 test(S("abcde"), 6, S("12345"), 5, 0, S("can't happen"));
678 test(S("abcde"), 6, S("12345"), 5, 1, S("can't happen"));
679 test(S("abcde"), 6, S("12345"), 6, 0, S("can't happen"));
680 test(S("abcde"), 6, S("1234567890"), 0, 0, S("can't happen"));
681 test(S("abcde"), 6, S("1234567890"), 0, 1, S("can't happen"));
682 test(S("abcde"), 6, S("1234567890"), 0, 5, S("can't happen"));
683 test(S("abcde"), 6, S("1234567890"), 0, 9, S("can't happen"));
684 test(S("abcde"), 6, S("1234567890"), 0, 10, S("can't happen"));
685 test(S("abcde"), 6, S("1234567890"), 0, 11, S("can't happen"));
686 }
687
688 template <class S>
test11()689 void test11()
690 {
691 test(S("abcde"), 6, S("1234567890"), 1, 0, S("can't happen"));
692 test(S("abcde"), 6, S("1234567890"), 1, 1, S("can't happen"));
693 test(S("abcde"), 6, S("1234567890"), 1, 4, S("can't happen"));
694 test(S("abcde"), 6, S("1234567890"), 1, 8, S("can't happen"));
695 test(S("abcde"), 6, S("1234567890"), 1, 9, S("can't happen"));
696 test(S("abcde"), 6, S("1234567890"), 1, 10, S("can't happen"));
697 test(S("abcde"), 6, S("1234567890"), 5, 0, S("can't happen"));
698 test(S("abcde"), 6, S("1234567890"), 5, 1, S("can't happen"));
699 test(S("abcde"), 6, S("1234567890"), 5, 2, S("can't happen"));
700 test(S("abcde"), 6, S("1234567890"), 5, 4, S("can't happen"));
701 test(S("abcde"), 6, S("1234567890"), 5, 5, S("can't happen"));
702 test(S("abcde"), 6, S("1234567890"), 5, 6, S("can't happen"));
703 test(S("abcde"), 6, S("1234567890"), 9, 0, S("can't happen"));
704 test(S("abcde"), 6, S("1234567890"), 9, 1, S("can't happen"));
705 test(S("abcde"), 6, S("1234567890"), 9, 2, S("can't happen"));
706 test(S("abcde"), 6, S("1234567890"), 10, 0, S("can't happen"));
707 test(S("abcde"), 6, S("1234567890"), 10, 1, S("can't happen"));
708 test(S("abcde"), 6, S("1234567890"), 11, 0, S("can't happen"));
709 test(S("abcde"), 6, S("12345678901234567890"), 0, 0, S("can't happen"));
710 test(S("abcde"), 6, S("12345678901234567890"), 0, 1, S("can't happen"));
711 test(S("abcde"), 6, S("12345678901234567890"), 0, 10, S("can't happen"));
712 test(S("abcde"), 6, S("12345678901234567890"), 0, 19, S("can't happen"));
713 test(S("abcde"), 6, S("12345678901234567890"), 0, 20, S("can't happen"));
714 test(S("abcde"), 6, S("12345678901234567890"), 0, 21, S("can't happen"));
715 test(S("abcde"), 6, S("12345678901234567890"), 1, 0, S("can't happen"));
716 test(S("abcde"), 6, S("12345678901234567890"), 1, 1, S("can't happen"));
717 test(S("abcde"), 6, S("12345678901234567890"), 1, 9, S("can't happen"));
718 test(S("abcde"), 6, S("12345678901234567890"), 1, 18, S("can't happen"));
719 test(S("abcde"), 6, S("12345678901234567890"), 1, 19, S("can't happen"));
720 test(S("abcde"), 6, S("12345678901234567890"), 1, 20, S("can't happen"));
721 test(S("abcde"), 6, S("12345678901234567890"), 10, 0, S("can't happen"));
722 test(S("abcde"), 6, S("12345678901234567890"), 10, 1, S("can't happen"));
723 test(S("abcde"), 6, S("12345678901234567890"), 10, 5, S("can't happen"));
724 test(S("abcde"), 6, S("12345678901234567890"), 10, 9, S("can't happen"));
725 test(S("abcde"), 6, S("12345678901234567890"), 10, 10, S("can't happen"));
726 test(S("abcde"), 6, S("12345678901234567890"), 10, 11, S("can't happen"));
727 test(S("abcde"), 6, S("12345678901234567890"), 19, 0, S("can't happen"));
728 test(S("abcde"), 6, S("12345678901234567890"), 19, 1, S("can't happen"));
729 test(S("abcde"), 6, S("12345678901234567890"), 19, 2, S("can't happen"));
730 test(S("abcde"), 6, S("12345678901234567890"), 20, 0, S("can't happen"));
731 test(S("abcde"), 6, S("12345678901234567890"), 20, 1, S("can't happen"));
732 test(S("abcde"), 6, S("12345678901234567890"), 21, 0, S("can't happen"));
733 test(S("abcdefghij"), 0, S(""), 0, 0, S("abcdefghij"));
734 test(S("abcdefghij"), 0, S(""), 0, 1, S("abcdefghij"));
735 test(S("abcdefghij"), 0, S(""), 1, 0, S("can't happen"));
736 test(S("abcdefghij"), 0, S("12345"), 0, 0, S("abcdefghij"));
737 test(S("abcdefghij"), 0, S("12345"), 0, 1, S("1abcdefghij"));
738 test(S("abcdefghij"), 0, S("12345"), 0, 2, S("12abcdefghij"));
739 test(S("abcdefghij"), 0, S("12345"), 0, 4, S("1234abcdefghij"));
740 test(S("abcdefghij"), 0, S("12345"), 0, 5, S("12345abcdefghij"));
741 }
742
743 template <class S>
test12()744 void test12()
745 {
746 test(S("abcdefghij"), 0, S("12345"), 0, 6, S("12345abcdefghij"));
747 test(S("abcdefghij"), 0, S("12345"), 1, 0, S("abcdefghij"));
748 test(S("abcdefghij"), 0, S("12345"), 1, 1, S("2abcdefghij"));
749 test(S("abcdefghij"), 0, S("12345"), 1, 2, S("23abcdefghij"));
750 test(S("abcdefghij"), 0, S("12345"), 1, 3, S("234abcdefghij"));
751 test(S("abcdefghij"), 0, S("12345"), 1, 4, S("2345abcdefghij"));
752 test(S("abcdefghij"), 0, S("12345"), 1, 5, S("2345abcdefghij"));
753 test(S("abcdefghij"), 0, S("12345"), 2, 0, S("abcdefghij"));
754 test(S("abcdefghij"), 0, S("12345"), 2, 1, S("3abcdefghij"));
755 test(S("abcdefghij"), 0, S("12345"), 2, 2, S("34abcdefghij"));
756 test(S("abcdefghij"), 0, S("12345"), 2, 3, S("345abcdefghij"));
757 test(S("abcdefghij"), 0, S("12345"), 2, 4, S("345abcdefghij"));
758 test(S("abcdefghij"), 0, S("12345"), 4, 0, S("abcdefghij"));
759 test(S("abcdefghij"), 0, S("12345"), 4, 1, S("5abcdefghij"));
760 test(S("abcdefghij"), 0, S("12345"), 4, 2, S("5abcdefghij"));
761 test(S("abcdefghij"), 0, S("12345"), 5, 0, S("abcdefghij"));
762 test(S("abcdefghij"), 0, S("12345"), 5, 1, S("abcdefghij"));
763 test(S("abcdefghij"), 0, S("12345"), 6, 0, S("can't happen"));
764 test(S("abcdefghij"), 0, S("1234567890"), 0, 0, S("abcdefghij"));
765 test(S("abcdefghij"), 0, S("1234567890"), 0, 1, S("1abcdefghij"));
766 test(S("abcdefghij"), 0, S("1234567890"), 0, 5, S("12345abcdefghij"));
767 test(S("abcdefghij"), 0, S("1234567890"), 0, 9, S("123456789abcdefghij"));
768 test(S("abcdefghij"), 0, S("1234567890"), 0, 10, S("1234567890abcdefghij"));
769 test(S("abcdefghij"), 0, S("1234567890"), 0, 11, S("1234567890abcdefghij"));
770 test(S("abcdefghij"), 0, S("1234567890"), 1, 0, S("abcdefghij"));
771 test(S("abcdefghij"), 0, S("1234567890"), 1, 1, S("2abcdefghij"));
772 test(S("abcdefghij"), 0, S("1234567890"), 1, 4, S("2345abcdefghij"));
773 test(S("abcdefghij"), 0, S("1234567890"), 1, 8, S("23456789abcdefghij"));
774 test(S("abcdefghij"), 0, S("1234567890"), 1, 9, S("234567890abcdefghij"));
775 test(S("abcdefghij"), 0, S("1234567890"), 1, 10, S("234567890abcdefghij"));
776 test(S("abcdefghij"), 0, S("1234567890"), 5, 0, S("abcdefghij"));
777 test(S("abcdefghij"), 0, S("1234567890"), 5, 1, S("6abcdefghij"));
778 test(S("abcdefghij"), 0, S("1234567890"), 5, 2, S("67abcdefghij"));
779 test(S("abcdefghij"), 0, S("1234567890"), 5, 4, S("6789abcdefghij"));
780 test(S("abcdefghij"), 0, S("1234567890"), 5, 5, S("67890abcdefghij"));
781 test(S("abcdefghij"), 0, S("1234567890"), 5, 6, S("67890abcdefghij"));
782 test(S("abcdefghij"), 0, S("1234567890"), 9, 0, S("abcdefghij"));
783 test(S("abcdefghij"), 0, S("1234567890"), 9, 1, S("0abcdefghij"));
784 test(S("abcdefghij"), 0, S("1234567890"), 9, 2, S("0abcdefghij"));
785 test(S("abcdefghij"), 0, S("1234567890"), 10, 0, S("abcdefghij"));
786 test(S("abcdefghij"), 0, S("1234567890"), 10, 1, S("abcdefghij"));
787 test(S("abcdefghij"), 0, S("1234567890"), 11, 0, S("can't happen"));
788 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 0, S("abcdefghij"));
789 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 1, S("1abcdefghij"));
790 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 10, S("1234567890abcdefghij"));
791 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789abcdefghij"));
792 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890abcdefghij"));
793 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890abcdefghij"));
794 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 0, S("abcdefghij"));
795 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 1, S("2abcdefghij"));
796 }
797
798 template <class S>
test13()799 void test13()
800 {
801 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 9, S("234567890abcdefghij"));
802 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 18, S("234567890123456789abcdefghij"));
803 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890abcdefghij"));
804 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890abcdefghij"));
805 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 0, S("abcdefghij"));
806 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 1, S("1abcdefghij"));
807 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 5, S("12345abcdefghij"));
808 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 9, S("123456789abcdefghij"));
809 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 10, S("1234567890abcdefghij"));
810 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 11, S("1234567890abcdefghij"));
811 test(S("abcdefghij"), 0, S("12345678901234567890"), 19, 0, S("abcdefghij"));
812 test(S("abcdefghij"), 0, S("12345678901234567890"), 19, 1, S("0abcdefghij"));
813 test(S("abcdefghij"), 0, S("12345678901234567890"), 19, 2, S("0abcdefghij"));
814 test(S("abcdefghij"), 0, S("12345678901234567890"), 20, 0, S("abcdefghij"));
815 test(S("abcdefghij"), 0, S("12345678901234567890"), 20, 1, S("abcdefghij"));
816 test(S("abcdefghij"), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
817 test(S("abcdefghij"), 1, S(""), 0, 0, S("abcdefghij"));
818 test(S("abcdefghij"), 1, S(""), 0, 1, S("abcdefghij"));
819 test(S("abcdefghij"), 1, S(""), 1, 0, S("can't happen"));
820 test(S("abcdefghij"), 1, S("12345"), 0, 0, S("abcdefghij"));
821 test(S("abcdefghij"), 1, S("12345"), 0, 1, S("a1bcdefghij"));
822 test(S("abcdefghij"), 1, S("12345"), 0, 2, S("a12bcdefghij"));
823 test(S("abcdefghij"), 1, S("12345"), 0, 4, S("a1234bcdefghij"));
824 test(S("abcdefghij"), 1, S("12345"), 0, 5, S("a12345bcdefghij"));
825 test(S("abcdefghij"), 1, S("12345"), 0, 6, S("a12345bcdefghij"));
826 test(S("abcdefghij"), 1, S("12345"), 1, 0, S("abcdefghij"));
827 test(S("abcdefghij"), 1, S("12345"), 1, 1, S("a2bcdefghij"));
828 test(S("abcdefghij"), 1, S("12345"), 1, 2, S("a23bcdefghij"));
829 test(S("abcdefghij"), 1, S("12345"), 1, 3, S("a234bcdefghij"));
830 test(S("abcdefghij"), 1, S("12345"), 1, 4, S("a2345bcdefghij"));
831 test(S("abcdefghij"), 1, S("12345"), 1, 5, S("a2345bcdefghij"));
832 test(S("abcdefghij"), 1, S("12345"), 2, 0, S("abcdefghij"));
833 test(S("abcdefghij"), 1, S("12345"), 2, 1, S("a3bcdefghij"));
834 test(S("abcdefghij"), 1, S("12345"), 2, 2, S("a34bcdefghij"));
835 test(S("abcdefghij"), 1, S("12345"), 2, 3, S("a345bcdefghij"));
836 test(S("abcdefghij"), 1, S("12345"), 2, 4, S("a345bcdefghij"));
837 test(S("abcdefghij"), 1, S("12345"), 4, 0, S("abcdefghij"));
838 test(S("abcdefghij"), 1, S("12345"), 4, 1, S("a5bcdefghij"));
839 test(S("abcdefghij"), 1, S("12345"), 4, 2, S("a5bcdefghij"));
840 test(S("abcdefghij"), 1, S("12345"), 5, 0, S("abcdefghij"));
841 test(S("abcdefghij"), 1, S("12345"), 5, 1, S("abcdefghij"));
842 test(S("abcdefghij"), 1, S("12345"), 6, 0, S("can't happen"));
843 test(S("abcdefghij"), 1, S("1234567890"), 0, 0, S("abcdefghij"));
844 test(S("abcdefghij"), 1, S("1234567890"), 0, 1, S("a1bcdefghij"));
845 test(S("abcdefghij"), 1, S("1234567890"), 0, 5, S("a12345bcdefghij"));
846 test(S("abcdefghij"), 1, S("1234567890"), 0, 9, S("a123456789bcdefghij"));
847 test(S("abcdefghij"), 1, S("1234567890"), 0, 10, S("a1234567890bcdefghij"));
848 test(S("abcdefghij"), 1, S("1234567890"), 0, 11, S("a1234567890bcdefghij"));
849 test(S("abcdefghij"), 1, S("1234567890"), 1, 0, S("abcdefghij"));
850 test(S("abcdefghij"), 1, S("1234567890"), 1, 1, S("a2bcdefghij"));
851 }
852
853 template <class S>
test14()854 void test14()
855 {
856 test(S("abcdefghij"), 1, S("1234567890"), 1, 4, S("a2345bcdefghij"));
857 test(S("abcdefghij"), 1, S("1234567890"), 1, 8, S("a23456789bcdefghij"));
858 test(S("abcdefghij"), 1, S("1234567890"), 1, 9, S("a234567890bcdefghij"));
859 test(S("abcdefghij"), 1, S("1234567890"), 1, 10, S("a234567890bcdefghij"));
860 test(S("abcdefghij"), 1, S("1234567890"), 5, 0, S("abcdefghij"));
861 test(S("abcdefghij"), 1, S("1234567890"), 5, 1, S("a6bcdefghij"));
862 test(S("abcdefghij"), 1, S("1234567890"), 5, 2, S("a67bcdefghij"));
863 test(S("abcdefghij"), 1, S("1234567890"), 5, 4, S("a6789bcdefghij"));
864 test(S("abcdefghij"), 1, S("1234567890"), 5, 5, S("a67890bcdefghij"));
865 test(S("abcdefghij"), 1, S("1234567890"), 5, 6, S("a67890bcdefghij"));
866 test(S("abcdefghij"), 1, S("1234567890"), 9, 0, S("abcdefghij"));
867 test(S("abcdefghij"), 1, S("1234567890"), 9, 1, S("a0bcdefghij"));
868 test(S("abcdefghij"), 1, S("1234567890"), 9, 2, S("a0bcdefghij"));
869 test(S("abcdefghij"), 1, S("1234567890"), 10, 0, S("abcdefghij"));
870 test(S("abcdefghij"), 1, S("1234567890"), 10, 1, S("abcdefghij"));
871 test(S("abcdefghij"), 1, S("1234567890"), 11, 0, S("can't happen"));
872 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 0, S("abcdefghij"));
873 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 1, S("a1bcdefghij"));
874 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 10, S("a1234567890bcdefghij"));
875 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 19, S("a1234567890123456789bcdefghij"));
876 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 20, S("a12345678901234567890bcdefghij"));
877 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 21, S("a12345678901234567890bcdefghij"));
878 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 0, S("abcdefghij"));
879 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 1, S("a2bcdefghij"));
880 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 9, S("a234567890bcdefghij"));
881 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 18, S("a234567890123456789bcdefghij"));
882 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 19, S("a2345678901234567890bcdefghij"));
883 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 20, S("a2345678901234567890bcdefghij"));
884 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 0, S("abcdefghij"));
885 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 1, S("a1bcdefghij"));
886 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 5, S("a12345bcdefghij"));
887 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 9, S("a123456789bcdefghij"));
888 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 10, S("a1234567890bcdefghij"));
889 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 11, S("a1234567890bcdefghij"));
890 test(S("abcdefghij"), 1, S("12345678901234567890"), 19, 0, S("abcdefghij"));
891 test(S("abcdefghij"), 1, S("12345678901234567890"), 19, 1, S("a0bcdefghij"));
892 test(S("abcdefghij"), 1, S("12345678901234567890"), 19, 2, S("a0bcdefghij"));
893 test(S("abcdefghij"), 1, S("12345678901234567890"), 20, 0, S("abcdefghij"));
894 test(S("abcdefghij"), 1, S("12345678901234567890"), 20, 1, S("abcdefghij"));
895 test(S("abcdefghij"), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
896 test(S("abcdefghij"), 5, S(""), 0, 0, S("abcdefghij"));
897 test(S("abcdefghij"), 5, S(""), 0, 1, S("abcdefghij"));
898 test(S("abcdefghij"), 5, S(""), 1, 0, S("can't happen"));
899 test(S("abcdefghij"), 5, S("12345"), 0, 0, S("abcdefghij"));
900 test(S("abcdefghij"), 5, S("12345"), 0, 1, S("abcde1fghij"));
901 test(S("abcdefghij"), 5, S("12345"), 0, 2, S("abcde12fghij"));
902 test(S("abcdefghij"), 5, S("12345"), 0, 4, S("abcde1234fghij"));
903 test(S("abcdefghij"), 5, S("12345"), 0, 5, S("abcde12345fghij"));
904 test(S("abcdefghij"), 5, S("12345"), 0, 6, S("abcde12345fghij"));
905 test(S("abcdefghij"), 5, S("12345"), 1, 0, S("abcdefghij"));
906 }
907
908 template <class S>
test15()909 void test15()
910 {
911 test(S("abcdefghij"), 5, S("12345"), 1, 1, S("abcde2fghij"));
912 test(S("abcdefghij"), 5, S("12345"), 1, 2, S("abcde23fghij"));
913 test(S("abcdefghij"), 5, S("12345"), 1, 3, S("abcde234fghij"));
914 test(S("abcdefghij"), 5, S("12345"), 1, 4, S("abcde2345fghij"));
915 test(S("abcdefghij"), 5, S("12345"), 1, 5, S("abcde2345fghij"));
916 test(S("abcdefghij"), 5, S("12345"), 2, 0, S("abcdefghij"));
917 test(S("abcdefghij"), 5, S("12345"), 2, 1, S("abcde3fghij"));
918 test(S("abcdefghij"), 5, S("12345"), 2, 2, S("abcde34fghij"));
919 test(S("abcdefghij"), 5, S("12345"), 2, 3, S("abcde345fghij"));
920 test(S("abcdefghij"), 5, S("12345"), 2, 4, S("abcde345fghij"));
921 test(S("abcdefghij"), 5, S("12345"), 4, 0, S("abcdefghij"));
922 test(S("abcdefghij"), 5, S("12345"), 4, 1, S("abcde5fghij"));
923 test(S("abcdefghij"), 5, S("12345"), 4, 2, S("abcde5fghij"));
924 test(S("abcdefghij"), 5, S("12345"), 5, 0, S("abcdefghij"));
925 test(S("abcdefghij"), 5, S("12345"), 5, 1, S("abcdefghij"));
926 test(S("abcdefghij"), 5, S("12345"), 6, 0, S("can't happen"));
927 test(S("abcdefghij"), 5, S("1234567890"), 0, 0, S("abcdefghij"));
928 test(S("abcdefghij"), 5, S("1234567890"), 0, 1, S("abcde1fghij"));
929 test(S("abcdefghij"), 5, S("1234567890"), 0, 5, S("abcde12345fghij"));
930 test(S("abcdefghij"), 5, S("1234567890"), 0, 9, S("abcde123456789fghij"));
931 test(S("abcdefghij"), 5, S("1234567890"), 0, 10, S("abcde1234567890fghij"));
932 test(S("abcdefghij"), 5, S("1234567890"), 0, 11, S("abcde1234567890fghij"));
933 test(S("abcdefghij"), 5, S("1234567890"), 1, 0, S("abcdefghij"));
934 test(S("abcdefghij"), 5, S("1234567890"), 1, 1, S("abcde2fghij"));
935 test(S("abcdefghij"), 5, S("1234567890"), 1, 4, S("abcde2345fghij"));
936 test(S("abcdefghij"), 5, S("1234567890"), 1, 8, S("abcde23456789fghij"));
937 test(S("abcdefghij"), 5, S("1234567890"), 1, 9, S("abcde234567890fghij"));
938 test(S("abcdefghij"), 5, S("1234567890"), 1, 10, S("abcde234567890fghij"));
939 test(S("abcdefghij"), 5, S("1234567890"), 5, 0, S("abcdefghij"));
940 test(S("abcdefghij"), 5, S("1234567890"), 5, 1, S("abcde6fghij"));
941 test(S("abcdefghij"), 5, S("1234567890"), 5, 2, S("abcde67fghij"));
942 test(S("abcdefghij"), 5, S("1234567890"), 5, 4, S("abcde6789fghij"));
943 test(S("abcdefghij"), 5, S("1234567890"), 5, 5, S("abcde67890fghij"));
944 test(S("abcdefghij"), 5, S("1234567890"), 5, 6, S("abcde67890fghij"));
945 test(S("abcdefghij"), 5, S("1234567890"), 9, 0, S("abcdefghij"));
946 test(S("abcdefghij"), 5, S("1234567890"), 9, 1, S("abcde0fghij"));
947 test(S("abcdefghij"), 5, S("1234567890"), 9, 2, S("abcde0fghij"));
948 test(S("abcdefghij"), 5, S("1234567890"), 10, 0, S("abcdefghij"));
949 test(S("abcdefghij"), 5, S("1234567890"), 10, 1, S("abcdefghij"));
950 test(S("abcdefghij"), 5, S("1234567890"), 11, 0, S("can't happen"));
951 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 0, S("abcdefghij"));
952 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 1, S("abcde1fghij"));
953 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 10, S("abcde1234567890fghij"));
954 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 19, S("abcde1234567890123456789fghij"));
955 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 20, S("abcde12345678901234567890fghij"));
956 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 21, S("abcde12345678901234567890fghij"));
957 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 0, S("abcdefghij"));
958 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 1, S("abcde2fghij"));
959 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 9, S("abcde234567890fghij"));
960 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 18, S("abcde234567890123456789fghij"));
961 }
962
963 template <class S>
test16()964 void test16()
965 {
966 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 19, S("abcde2345678901234567890fghij"));
967 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 20, S("abcde2345678901234567890fghij"));
968 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 0, S("abcdefghij"));
969 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 1, S("abcde1fghij"));
970 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 5, S("abcde12345fghij"));
971 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 9, S("abcde123456789fghij"));
972 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 10, S("abcde1234567890fghij"));
973 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 11, S("abcde1234567890fghij"));
974 test(S("abcdefghij"), 5, S("12345678901234567890"), 19, 0, S("abcdefghij"));
975 test(S("abcdefghij"), 5, S("12345678901234567890"), 19, 1, S("abcde0fghij"));
976 test(S("abcdefghij"), 5, S("12345678901234567890"), 19, 2, S("abcde0fghij"));
977 test(S("abcdefghij"), 5, S("12345678901234567890"), 20, 0, S("abcdefghij"));
978 test(S("abcdefghij"), 5, S("12345678901234567890"), 20, 1, S("abcdefghij"));
979 test(S("abcdefghij"), 5, S("12345678901234567890"), 21, 0, S("can't happen"));
980 test(S("abcdefghij"), 9, S(""), 0, 0, S("abcdefghij"));
981 test(S("abcdefghij"), 9, S(""), 0, 1, S("abcdefghij"));
982 test(S("abcdefghij"), 9, S(""), 1, 0, S("can't happen"));
983 test(S("abcdefghij"), 9, S("12345"), 0, 0, S("abcdefghij"));
984 test(S("abcdefghij"), 9, S("12345"), 0, 1, S("abcdefghi1j"));
985 test(S("abcdefghij"), 9, S("12345"), 0, 2, S("abcdefghi12j"));
986 test(S("abcdefghij"), 9, S("12345"), 0, 4, S("abcdefghi1234j"));
987 test(S("abcdefghij"), 9, S("12345"), 0, 5, S("abcdefghi12345j"));
988 test(S("abcdefghij"), 9, S("12345"), 0, 6, S("abcdefghi12345j"));
989 test(S("abcdefghij"), 9, S("12345"), 1, 0, S("abcdefghij"));
990 test(S("abcdefghij"), 9, S("12345"), 1, 1, S("abcdefghi2j"));
991 test(S("abcdefghij"), 9, S("12345"), 1, 2, S("abcdefghi23j"));
992 test(S("abcdefghij"), 9, S("12345"), 1, 3, S("abcdefghi234j"));
993 test(S("abcdefghij"), 9, S("12345"), 1, 4, S("abcdefghi2345j"));
994 test(S("abcdefghij"), 9, S("12345"), 1, 5, S("abcdefghi2345j"));
995 test(S("abcdefghij"), 9, S("12345"), 2, 0, S("abcdefghij"));
996 test(S("abcdefghij"), 9, S("12345"), 2, 1, S("abcdefghi3j"));
997 test(S("abcdefghij"), 9, S("12345"), 2, 2, S("abcdefghi34j"));
998 test(S("abcdefghij"), 9, S("12345"), 2, 3, S("abcdefghi345j"));
999 test(S("abcdefghij"), 9, S("12345"), 2, 4, S("abcdefghi345j"));
1000 test(S("abcdefghij"), 9, S("12345"), 4, 0, S("abcdefghij"));
1001 test(S("abcdefghij"), 9, S("12345"), 4, 1, S("abcdefghi5j"));
1002 test(S("abcdefghij"), 9, S("12345"), 4, 2, S("abcdefghi5j"));
1003 test(S("abcdefghij"), 9, S("12345"), 5, 0, S("abcdefghij"));
1004 test(S("abcdefghij"), 9, S("12345"), 5, 1, S("abcdefghij"));
1005 test(S("abcdefghij"), 9, S("12345"), 6, 0, S("can't happen"));
1006 test(S("abcdefghij"), 9, S("1234567890"), 0, 0, S("abcdefghij"));
1007 test(S("abcdefghij"), 9, S("1234567890"), 0, 1, S("abcdefghi1j"));
1008 test(S("abcdefghij"), 9, S("1234567890"), 0, 5, S("abcdefghi12345j"));
1009 test(S("abcdefghij"), 9, S("1234567890"), 0, 9, S("abcdefghi123456789j"));
1010 test(S("abcdefghij"), 9, S("1234567890"), 0, 10, S("abcdefghi1234567890j"));
1011 test(S("abcdefghij"), 9, S("1234567890"), 0, 11, S("abcdefghi1234567890j"));
1012 test(S("abcdefghij"), 9, S("1234567890"), 1, 0, S("abcdefghij"));
1013 test(S("abcdefghij"), 9, S("1234567890"), 1, 1, S("abcdefghi2j"));
1014 test(S("abcdefghij"), 9, S("1234567890"), 1, 4, S("abcdefghi2345j"));
1015 test(S("abcdefghij"), 9, S("1234567890"), 1, 8, S("abcdefghi23456789j"));
1016 }
1017
1018 template <class S>
test17()1019 void test17()
1020 {
1021 test(S("abcdefghij"), 9, S("1234567890"), 1, 9, S("abcdefghi234567890j"));
1022 test(S("abcdefghij"), 9, S("1234567890"), 1, 10, S("abcdefghi234567890j"));
1023 test(S("abcdefghij"), 9, S("1234567890"), 5, 0, S("abcdefghij"));
1024 test(S("abcdefghij"), 9, S("1234567890"), 5, 1, S("abcdefghi6j"));
1025 test(S("abcdefghij"), 9, S("1234567890"), 5, 2, S("abcdefghi67j"));
1026 test(S("abcdefghij"), 9, S("1234567890"), 5, 4, S("abcdefghi6789j"));
1027 test(S("abcdefghij"), 9, S("1234567890"), 5, 5, S("abcdefghi67890j"));
1028 test(S("abcdefghij"), 9, S("1234567890"), 5, 6, S("abcdefghi67890j"));
1029 test(S("abcdefghij"), 9, S("1234567890"), 9, 0, S("abcdefghij"));
1030 test(S("abcdefghij"), 9, S("1234567890"), 9, 1, S("abcdefghi0j"));
1031 test(S("abcdefghij"), 9, S("1234567890"), 9, 2, S("abcdefghi0j"));
1032 test(S("abcdefghij"), 9, S("1234567890"), 10, 0, S("abcdefghij"));
1033 test(S("abcdefghij"), 9, S("1234567890"), 10, 1, S("abcdefghij"));
1034 test(S("abcdefghij"), 9, S("1234567890"), 11, 0, S("can't happen"));
1035 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 0, S("abcdefghij"));
1036 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 1, S("abcdefghi1j"));
1037 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 10, S("abcdefghi1234567890j"));
1038 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 19, S("abcdefghi1234567890123456789j"));
1039 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 20, S("abcdefghi12345678901234567890j"));
1040 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 21, S("abcdefghi12345678901234567890j"));
1041 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 0, S("abcdefghij"));
1042 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 1, S("abcdefghi2j"));
1043 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 9, S("abcdefghi234567890j"));
1044 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 18, S("abcdefghi234567890123456789j"));
1045 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 19, S("abcdefghi2345678901234567890j"));
1046 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 20, S("abcdefghi2345678901234567890j"));
1047 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 0, S("abcdefghij"));
1048 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 1, S("abcdefghi1j"));
1049 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 5, S("abcdefghi12345j"));
1050 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 9, S("abcdefghi123456789j"));
1051 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 10, S("abcdefghi1234567890j"));
1052 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 11, S("abcdefghi1234567890j"));
1053 test(S("abcdefghij"), 9, S("12345678901234567890"), 19, 0, S("abcdefghij"));
1054 test(S("abcdefghij"), 9, S("12345678901234567890"), 19, 1, S("abcdefghi0j"));
1055 test(S("abcdefghij"), 9, S("12345678901234567890"), 19, 2, S("abcdefghi0j"));
1056 test(S("abcdefghij"), 9, S("12345678901234567890"), 20, 0, S("abcdefghij"));
1057 test(S("abcdefghij"), 9, S("12345678901234567890"), 20, 1, S("abcdefghij"));
1058 test(S("abcdefghij"), 9, S("12345678901234567890"), 21, 0, S("can't happen"));
1059 test(S("abcdefghij"), 10, S(""), 0, 0, S("abcdefghij"));
1060 test(S("abcdefghij"), 10, S(""), 0, 1, S("abcdefghij"));
1061 test(S("abcdefghij"), 10, S(""), 1, 0, S("can't happen"));
1062 test(S("abcdefghij"), 10, S("12345"), 0, 0, S("abcdefghij"));
1063 test(S("abcdefghij"), 10, S("12345"), 0, 1, S("abcdefghij1"));
1064 test(S("abcdefghij"), 10, S("12345"), 0, 2, S("abcdefghij12"));
1065 test(S("abcdefghij"), 10, S("12345"), 0, 4, S("abcdefghij1234"));
1066 test(S("abcdefghij"), 10, S("12345"), 0, 5, S("abcdefghij12345"));
1067 test(S("abcdefghij"), 10, S("12345"), 0, 6, S("abcdefghij12345"));
1068 test(S("abcdefghij"), 10, S("12345"), 1, 0, S("abcdefghij"));
1069 test(S("abcdefghij"), 10, S("12345"), 1, 1, S("abcdefghij2"));
1070 test(S("abcdefghij"), 10, S("12345"), 1, 2, S("abcdefghij23"));
1071 }
1072
1073 template <class S>
test18()1074 void test18()
1075 {
1076 test(S("abcdefghij"), 10, S("12345"), 1, 3, S("abcdefghij234"));
1077 test(S("abcdefghij"), 10, S("12345"), 1, 4, S("abcdefghij2345"));
1078 test(S("abcdefghij"), 10, S("12345"), 1, 5, S("abcdefghij2345"));
1079 test(S("abcdefghij"), 10, S("12345"), 2, 0, S("abcdefghij"));
1080 test(S("abcdefghij"), 10, S("12345"), 2, 1, S("abcdefghij3"));
1081 test(S("abcdefghij"), 10, S("12345"), 2, 2, S("abcdefghij34"));
1082 test(S("abcdefghij"), 10, S("12345"), 2, 3, S("abcdefghij345"));
1083 test(S("abcdefghij"), 10, S("12345"), 2, 4, S("abcdefghij345"));
1084 test(S("abcdefghij"), 10, S("12345"), 4, 0, S("abcdefghij"));
1085 test(S("abcdefghij"), 10, S("12345"), 4, 1, S("abcdefghij5"));
1086 test(S("abcdefghij"), 10, S("12345"), 4, 2, S("abcdefghij5"));
1087 test(S("abcdefghij"), 10, S("12345"), 5, 0, S("abcdefghij"));
1088 test(S("abcdefghij"), 10, S("12345"), 5, 1, S("abcdefghij"));
1089 test(S("abcdefghij"), 10, S("12345"), 6, 0, S("can't happen"));
1090 test(S("abcdefghij"), 10, S("1234567890"), 0, 0, S("abcdefghij"));
1091 test(S("abcdefghij"), 10, S("1234567890"), 0, 1, S("abcdefghij1"));
1092 test(S("abcdefghij"), 10, S("1234567890"), 0, 5, S("abcdefghij12345"));
1093 test(S("abcdefghij"), 10, S("1234567890"), 0, 9, S("abcdefghij123456789"));
1094 test(S("abcdefghij"), 10, S("1234567890"), 0, 10, S("abcdefghij1234567890"));
1095 test(S("abcdefghij"), 10, S("1234567890"), 0, 11, S("abcdefghij1234567890"));
1096 test(S("abcdefghij"), 10, S("1234567890"), 1, 0, S("abcdefghij"));
1097 test(S("abcdefghij"), 10, S("1234567890"), 1, 1, S("abcdefghij2"));
1098 test(S("abcdefghij"), 10, S("1234567890"), 1, 4, S("abcdefghij2345"));
1099 test(S("abcdefghij"), 10, S("1234567890"), 1, 8, S("abcdefghij23456789"));
1100 test(S("abcdefghij"), 10, S("1234567890"), 1, 9, S("abcdefghij234567890"));
1101 test(S("abcdefghij"), 10, S("1234567890"), 1, 10, S("abcdefghij234567890"));
1102 test(S("abcdefghij"), 10, S("1234567890"), 5, 0, S("abcdefghij"));
1103 test(S("abcdefghij"), 10, S("1234567890"), 5, 1, S("abcdefghij6"));
1104 test(S("abcdefghij"), 10, S("1234567890"), 5, 2, S("abcdefghij67"));
1105 test(S("abcdefghij"), 10, S("1234567890"), 5, 4, S("abcdefghij6789"));
1106 test(S("abcdefghij"), 10, S("1234567890"), 5, 5, S("abcdefghij67890"));
1107 test(S("abcdefghij"), 10, S("1234567890"), 5, 6, S("abcdefghij67890"));
1108 test(S("abcdefghij"), 10, S("1234567890"), 9, 0, S("abcdefghij"));
1109 test(S("abcdefghij"), 10, S("1234567890"), 9, 1, S("abcdefghij0"));
1110 test(S("abcdefghij"), 10, S("1234567890"), 9, 2, S("abcdefghij0"));
1111 test(S("abcdefghij"), 10, S("1234567890"), 10, 0, S("abcdefghij"));
1112 test(S("abcdefghij"), 10, S("1234567890"), 10, 1, S("abcdefghij"));
1113 test(S("abcdefghij"), 10, S("1234567890"), 11, 0, S("can't happen"));
1114 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 0, S("abcdefghij"));
1115 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 1, S("abcdefghij1"));
1116 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 10, S("abcdefghij1234567890"));
1117 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 19, S("abcdefghij1234567890123456789"));
1118 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 20, S("abcdefghij12345678901234567890"));
1119 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 21, S("abcdefghij12345678901234567890"));
1120 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 0, S("abcdefghij"));
1121 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 1, S("abcdefghij2"));
1122 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 9, S("abcdefghij234567890"));
1123 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 18, S("abcdefghij234567890123456789"));
1124 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 19, S("abcdefghij2345678901234567890"));
1125 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 20, S("abcdefghij2345678901234567890"));
1126 }
1127
1128 template <class S>
test19()1129 void test19()
1130 {
1131 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 0, S("abcdefghij"));
1132 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 1, S("abcdefghij1"));
1133 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 5, S("abcdefghij12345"));
1134 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 9, S("abcdefghij123456789"));
1135 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 10, S("abcdefghij1234567890"));
1136 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 11, S("abcdefghij1234567890"));
1137 test(S("abcdefghij"), 10, S("12345678901234567890"), 19, 0, S("abcdefghij"));
1138 test(S("abcdefghij"), 10, S("12345678901234567890"), 19, 1, S("abcdefghij0"));
1139 test(S("abcdefghij"), 10, S("12345678901234567890"), 19, 2, S("abcdefghij0"));
1140 test(S("abcdefghij"), 10, S("12345678901234567890"), 20, 0, S("abcdefghij"));
1141 test(S("abcdefghij"), 10, S("12345678901234567890"), 20, 1, S("abcdefghij"));
1142 test(S("abcdefghij"), 10, S("12345678901234567890"), 21, 0, S("can't happen"));
1143 test(S("abcdefghij"), 11, S(""), 0, 0, S("can't happen"));
1144 test(S("abcdefghij"), 11, S(""), 0, 1, S("can't happen"));
1145 test(S("abcdefghij"), 11, S(""), 1, 0, S("can't happen"));
1146 test(S("abcdefghij"), 11, S("12345"), 0, 0, S("can't happen"));
1147 test(S("abcdefghij"), 11, S("12345"), 0, 1, S("can't happen"));
1148 test(S("abcdefghij"), 11, S("12345"), 0, 2, S("can't happen"));
1149 test(S("abcdefghij"), 11, S("12345"), 0, 4, S("can't happen"));
1150 test(S("abcdefghij"), 11, S("12345"), 0, 5, S("can't happen"));
1151 test(S("abcdefghij"), 11, S("12345"), 0, 6, S("can't happen"));
1152 test(S("abcdefghij"), 11, S("12345"), 1, 0, S("can't happen"));
1153 test(S("abcdefghij"), 11, S("12345"), 1, 1, S("can't happen"));
1154 test(S("abcdefghij"), 11, S("12345"), 1, 2, S("can't happen"));
1155 test(S("abcdefghij"), 11, S("12345"), 1, 3, S("can't happen"));
1156 test(S("abcdefghij"), 11, S("12345"), 1, 4, S("can't happen"));
1157 test(S("abcdefghij"), 11, S("12345"), 1, 5, S("can't happen"));
1158 test(S("abcdefghij"), 11, S("12345"), 2, 0, S("can't happen"));
1159 test(S("abcdefghij"), 11, S("12345"), 2, 1, S("can't happen"));
1160 test(S("abcdefghij"), 11, S("12345"), 2, 2, S("can't happen"));
1161 test(S("abcdefghij"), 11, S("12345"), 2, 3, S("can't happen"));
1162 test(S("abcdefghij"), 11, S("12345"), 2, 4, S("can't happen"));
1163 test(S("abcdefghij"), 11, S("12345"), 4, 0, S("can't happen"));
1164 test(S("abcdefghij"), 11, S("12345"), 4, 1, S("can't happen"));
1165 test(S("abcdefghij"), 11, S("12345"), 4, 2, S("can't happen"));
1166 test(S("abcdefghij"), 11, S("12345"), 5, 0, S("can't happen"));
1167 test(S("abcdefghij"), 11, S("12345"), 5, 1, S("can't happen"));
1168 test(S("abcdefghij"), 11, S("12345"), 6, 0, S("can't happen"));
1169 test(S("abcdefghij"), 11, S("1234567890"), 0, 0, S("can't happen"));
1170 test(S("abcdefghij"), 11, S("1234567890"), 0, 1, S("can't happen"));
1171 test(S("abcdefghij"), 11, S("1234567890"), 0, 5, S("can't happen"));
1172 test(S("abcdefghij"), 11, S("1234567890"), 0, 9, S("can't happen"));
1173 test(S("abcdefghij"), 11, S("1234567890"), 0, 10, S("can't happen"));
1174 test(S("abcdefghij"), 11, S("1234567890"), 0, 11, S("can't happen"));
1175 test(S("abcdefghij"), 11, S("1234567890"), 1, 0, S("can't happen"));
1176 test(S("abcdefghij"), 11, S("1234567890"), 1, 1, S("can't happen"));
1177 test(S("abcdefghij"), 11, S("1234567890"), 1, 4, S("can't happen"));
1178 test(S("abcdefghij"), 11, S("1234567890"), 1, 8, S("can't happen"));
1179 test(S("abcdefghij"), 11, S("1234567890"), 1, 9, S("can't happen"));
1180 test(S("abcdefghij"), 11, S("1234567890"), 1, 10, S("can't happen"));
1181 }
1182
1183 template <class S>
test20()1184 void test20()
1185 {
1186 test(S("abcdefghij"), 11, S("1234567890"), 5, 0, S("can't happen"));
1187 test(S("abcdefghij"), 11, S("1234567890"), 5, 1, S("can't happen"));
1188 test(S("abcdefghij"), 11, S("1234567890"), 5, 2, S("can't happen"));
1189 test(S("abcdefghij"), 11, S("1234567890"), 5, 4, S("can't happen"));
1190 test(S("abcdefghij"), 11, S("1234567890"), 5, 5, S("can't happen"));
1191 test(S("abcdefghij"), 11, S("1234567890"), 5, 6, S("can't happen"));
1192 test(S("abcdefghij"), 11, S("1234567890"), 9, 0, S("can't happen"));
1193 test(S("abcdefghij"), 11, S("1234567890"), 9, 1, S("can't happen"));
1194 test(S("abcdefghij"), 11, S("1234567890"), 9, 2, S("can't happen"));
1195 test(S("abcdefghij"), 11, S("1234567890"), 10, 0, S("can't happen"));
1196 test(S("abcdefghij"), 11, S("1234567890"), 10, 1, S("can't happen"));
1197 test(S("abcdefghij"), 11, S("1234567890"), 11, 0, S("can't happen"));
1198 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 0, S("can't happen"));
1199 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 1, S("can't happen"));
1200 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 10, S("can't happen"));
1201 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 19, S("can't happen"));
1202 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 20, S("can't happen"));
1203 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 21, S("can't happen"));
1204 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 0, S("can't happen"));
1205 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 1, S("can't happen"));
1206 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 9, S("can't happen"));
1207 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 18, S("can't happen"));
1208 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 19, S("can't happen"));
1209 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 20, S("can't happen"));
1210 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 0, S("can't happen"));
1211 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 1, S("can't happen"));
1212 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 5, S("can't happen"));
1213 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 9, S("can't happen"));
1214 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 10, S("can't happen"));
1215 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 11, S("can't happen"));
1216 test(S("abcdefghij"), 11, S("12345678901234567890"), 19, 0, S("can't happen"));
1217 test(S("abcdefghij"), 11, S("12345678901234567890"), 19, 1, S("can't happen"));
1218 test(S("abcdefghij"), 11, S("12345678901234567890"), 19, 2, S("can't happen"));
1219 test(S("abcdefghij"), 11, S("12345678901234567890"), 20, 0, S("can't happen"));
1220 test(S("abcdefghij"), 11, S("12345678901234567890"), 20, 1, S("can't happen"));
1221 test(S("abcdefghij"), 11, S("12345678901234567890"), 21, 0, S("can't happen"));
1222 test(S("abcdefghijklmnopqrst"), 0, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1223 test(S("abcdefghijklmnopqrst"), 0, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1224 test(S("abcdefghijklmnopqrst"), 0, S(""), 1, 0, S("can't happen"));
1225 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1226 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 1, S("1abcdefghijklmnopqrst"));
1227 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 2, S("12abcdefghijklmnopqrst"));
1228 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 4, S("1234abcdefghijklmnopqrst"));
1229 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 5, S("12345abcdefghijklmnopqrst"));
1230 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 6, S("12345abcdefghijklmnopqrst"));
1231 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1232 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 1, S("2abcdefghijklmnopqrst"));
1233 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 2, S("23abcdefghijklmnopqrst"));
1234 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 3, S("234abcdefghijklmnopqrst"));
1235 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 4, S("2345abcdefghijklmnopqrst"));
1236 }
1237
1238 template <class S>
test21()1239 void test21()
1240 {
1241 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 5, S("2345abcdefghijklmnopqrst"));
1242 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1243 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 1, S("3abcdefghijklmnopqrst"));
1244 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 2, S("34abcdefghijklmnopqrst"));
1245 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 3, S("345abcdefghijklmnopqrst"));
1246 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 4, S("345abcdefghijklmnopqrst"));
1247 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1248 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 4, 1, S("5abcdefghijklmnopqrst"));
1249 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 4, 2, S("5abcdefghijklmnopqrst"));
1250 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1251 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1252 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 6, 0, S("can't happen"));
1253 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1254 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 1, S("1abcdefghijklmnopqrst"));
1255 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 5, S("12345abcdefghijklmnopqrst"));
1256 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 9, S("123456789abcdefghijklmnopqrst"));
1257 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 10, S("1234567890abcdefghijklmnopqrst"));
1258 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 11, S("1234567890abcdefghijklmnopqrst"));
1259 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1260 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 1, S("2abcdefghijklmnopqrst"));
1261 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 4, S("2345abcdefghijklmnopqrst"));
1262 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 8, S("23456789abcdefghijklmnopqrst"));
1263 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 9, S("234567890abcdefghijklmnopqrst"));
1264 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 10, S("234567890abcdefghijklmnopqrst"));
1265 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1266 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 1, S("6abcdefghijklmnopqrst"));
1267 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 2, S("67abcdefghijklmnopqrst"));
1268 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 4, S("6789abcdefghijklmnopqrst"));
1269 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 5, S("67890abcdefghijklmnopqrst"));
1270 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 6, S("67890abcdefghijklmnopqrst"));
1271 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1272 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 9, 1, S("0abcdefghijklmnopqrst"));
1273 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 9, 2, S("0abcdefghijklmnopqrst"));
1274 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1275 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1276 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 11, 0, S("can't happen"));
1277 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1278 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 1, S("1abcdefghijklmnopqrst"));
1279 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 10, S("1234567890abcdefghijklmnopqrst"));
1280 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789abcdefghijklmnopqrst"));
1281 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890abcdefghijklmnopqrst"));
1282 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890abcdefghijklmnopqrst"));
1283 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1284 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 1, S("2abcdefghijklmnopqrst"));
1285 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 9, S("234567890abcdefghijklmnopqrst"));
1286 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 18, S("234567890123456789abcdefghijklmnopqrst"));
1287 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890abcdefghijklmnopqrst"));
1288 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890abcdefghijklmnopqrst"));
1289 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1290 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 1, S("1abcdefghijklmnopqrst"));
1291 }
1292
1293 template <class S>
test22()1294 void test22()
1295 {
1296 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 5, S("12345abcdefghijklmnopqrst"));
1297 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 9, S("123456789abcdefghijklmnopqrst"));
1298 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 10, S("1234567890abcdefghijklmnopqrst"));
1299 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 11, S("1234567890abcdefghijklmnopqrst"));
1300 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1301 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 19, 1, S("0abcdefghijklmnopqrst"));
1302 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 19, 2, S("0abcdefghijklmnopqrst"));
1303 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1304 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1305 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
1306 test(S("abcdefghijklmnopqrst"), 1, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1307 test(S("abcdefghijklmnopqrst"), 1, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1308 test(S("abcdefghijklmnopqrst"), 1, S(""), 1, 0, S("can't happen"));
1309 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1310 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 1, S("a1bcdefghijklmnopqrst"));
1311 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 2, S("a12bcdefghijklmnopqrst"));
1312 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 4, S("a1234bcdefghijklmnopqrst"));
1313 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 5, S("a12345bcdefghijklmnopqrst"));
1314 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 6, S("a12345bcdefghijklmnopqrst"));
1315 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1316 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 1, S("a2bcdefghijklmnopqrst"));
1317 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 2, S("a23bcdefghijklmnopqrst"));
1318 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 3, S("a234bcdefghijklmnopqrst"));
1319 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 4, S("a2345bcdefghijklmnopqrst"));
1320 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 5, S("a2345bcdefghijklmnopqrst"));
1321 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1322 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 1, S("a3bcdefghijklmnopqrst"));
1323 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 2, S("a34bcdefghijklmnopqrst"));
1324 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 3, S("a345bcdefghijklmnopqrst"));
1325 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 4, S("a345bcdefghijklmnopqrst"));
1326 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1327 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 4, 1, S("a5bcdefghijklmnopqrst"));
1328 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 4, 2, S("a5bcdefghijklmnopqrst"));
1329 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1330 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1331 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 6, 0, S("can't happen"));
1332 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1333 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 1, S("a1bcdefghijklmnopqrst"));
1334 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 5, S("a12345bcdefghijklmnopqrst"));
1335 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 9, S("a123456789bcdefghijklmnopqrst"));
1336 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 10, S("a1234567890bcdefghijklmnopqrst"));
1337 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 11, S("a1234567890bcdefghijklmnopqrst"));
1338 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1339 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 1, S("a2bcdefghijklmnopqrst"));
1340 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 4, S("a2345bcdefghijklmnopqrst"));
1341 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 8, S("a23456789bcdefghijklmnopqrst"));
1342 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 9, S("a234567890bcdefghijklmnopqrst"));
1343 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 10, S("a234567890bcdefghijklmnopqrst"));
1344 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1345 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 1, S("a6bcdefghijklmnopqrst"));
1346 }
1347
1348 template <class S>
test23()1349 void test23()
1350 {
1351 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 2, S("a67bcdefghijklmnopqrst"));
1352 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 4, S("a6789bcdefghijklmnopqrst"));
1353 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 5, S("a67890bcdefghijklmnopqrst"));
1354 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 6, S("a67890bcdefghijklmnopqrst"));
1355 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1356 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 9, 1, S("a0bcdefghijklmnopqrst"));
1357 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 9, 2, S("a0bcdefghijklmnopqrst"));
1358 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1359 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1360 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 11, 0, S("can't happen"));
1361 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1362 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 1, S("a1bcdefghijklmnopqrst"));
1363 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 10, S("a1234567890bcdefghijklmnopqrst"));
1364 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 19, S("a1234567890123456789bcdefghijklmnopqrst"));
1365 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 20, S("a12345678901234567890bcdefghijklmnopqrst"));
1366 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 21, S("a12345678901234567890bcdefghijklmnopqrst"));
1367 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1368 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 1, S("a2bcdefghijklmnopqrst"));
1369 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 9, S("a234567890bcdefghijklmnopqrst"));
1370 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 18, S("a234567890123456789bcdefghijklmnopqrst"));
1371 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 19, S("a2345678901234567890bcdefghijklmnopqrst"));
1372 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 20, S("a2345678901234567890bcdefghijklmnopqrst"));
1373 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1374 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 1, S("a1bcdefghijklmnopqrst"));
1375 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 5, S("a12345bcdefghijklmnopqrst"));
1376 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 9, S("a123456789bcdefghijklmnopqrst"));
1377 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 10, S("a1234567890bcdefghijklmnopqrst"));
1378 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 11, S("a1234567890bcdefghijklmnopqrst"));
1379 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1380 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 19, 1, S("a0bcdefghijklmnopqrst"));
1381 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 19, 2, S("a0bcdefghijklmnopqrst"));
1382 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1383 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1384 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
1385 test(S("abcdefghijklmnopqrst"), 10, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1386 test(S("abcdefghijklmnopqrst"), 10, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1387 test(S("abcdefghijklmnopqrst"), 10, S(""), 1, 0, S("can't happen"));
1388 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1389 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 1, S("abcdefghij1klmnopqrst"));
1390 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 2, S("abcdefghij12klmnopqrst"));
1391 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 4, S("abcdefghij1234klmnopqrst"));
1392 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 5, S("abcdefghij12345klmnopqrst"));
1393 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 6, S("abcdefghij12345klmnopqrst"));
1394 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1395 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 1, S("abcdefghij2klmnopqrst"));
1396 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 2, S("abcdefghij23klmnopqrst"));
1397 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 3, S("abcdefghij234klmnopqrst"));
1398 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 4, S("abcdefghij2345klmnopqrst"));
1399 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 5, S("abcdefghij2345klmnopqrst"));
1400 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1401 }
1402
1403 template <class S>
test24()1404 void test24()
1405 {
1406 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 1, S("abcdefghij3klmnopqrst"));
1407 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 2, S("abcdefghij34klmnopqrst"));
1408 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 3, S("abcdefghij345klmnopqrst"));
1409 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 4, S("abcdefghij345klmnopqrst"));
1410 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1411 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 4, 1, S("abcdefghij5klmnopqrst"));
1412 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 4, 2, S("abcdefghij5klmnopqrst"));
1413 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1414 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1415 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 6, 0, S("can't happen"));
1416 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1417 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 1, S("abcdefghij1klmnopqrst"));
1418 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 5, S("abcdefghij12345klmnopqrst"));
1419 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 9, S("abcdefghij123456789klmnopqrst"));
1420 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 10, S("abcdefghij1234567890klmnopqrst"));
1421 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 11, S("abcdefghij1234567890klmnopqrst"));
1422 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1423 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 1, S("abcdefghij2klmnopqrst"));
1424 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 4, S("abcdefghij2345klmnopqrst"));
1425 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 8, S("abcdefghij23456789klmnopqrst"));
1426 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 9, S("abcdefghij234567890klmnopqrst"));
1427 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 10, S("abcdefghij234567890klmnopqrst"));
1428 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1429 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 1, S("abcdefghij6klmnopqrst"));
1430 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 2, S("abcdefghij67klmnopqrst"));
1431 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 4, S("abcdefghij6789klmnopqrst"));
1432 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 5, S("abcdefghij67890klmnopqrst"));
1433 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 6, S("abcdefghij67890klmnopqrst"));
1434 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1435 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 9, 1, S("abcdefghij0klmnopqrst"));
1436 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 9, 2, S("abcdefghij0klmnopqrst"));
1437 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1438 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1439 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 11, 0, S("can't happen"));
1440 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1441 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 1, S("abcdefghij1klmnopqrst"));
1442 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 10, S("abcdefghij1234567890klmnopqrst"));
1443 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 19, S("abcdefghij1234567890123456789klmnopqrst"));
1444 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 20, S("abcdefghij12345678901234567890klmnopqrst"));
1445 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 21, S("abcdefghij12345678901234567890klmnopqrst"));
1446 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1447 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 1, S("abcdefghij2klmnopqrst"));
1448 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 9, S("abcdefghij234567890klmnopqrst"));
1449 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 18, S("abcdefghij234567890123456789klmnopqrst"));
1450 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 19, S("abcdefghij2345678901234567890klmnopqrst"));
1451 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 20, S("abcdefghij2345678901234567890klmnopqrst"));
1452 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1453 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 1, S("abcdefghij1klmnopqrst"));
1454 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 5, S("abcdefghij12345klmnopqrst"));
1455 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 9, S("abcdefghij123456789klmnopqrst"));
1456 }
1457
1458 template <class S>
test25()1459 void test25()
1460 {
1461 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 10, S("abcdefghij1234567890klmnopqrst"));
1462 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 11, S("abcdefghij1234567890klmnopqrst"));
1463 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1464 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 19, 1, S("abcdefghij0klmnopqrst"));
1465 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 19, 2, S("abcdefghij0klmnopqrst"));
1466 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1467 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1468 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 21, 0, S("can't happen"));
1469 test(S("abcdefghijklmnopqrst"), 19, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1470 test(S("abcdefghijklmnopqrst"), 19, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1471 test(S("abcdefghijklmnopqrst"), 19, S(""), 1, 0, S("can't happen"));
1472 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1473 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 1, S("abcdefghijklmnopqrs1t"));
1474 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 2, S("abcdefghijklmnopqrs12t"));
1475 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 4, S("abcdefghijklmnopqrs1234t"));
1476 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 5, S("abcdefghijklmnopqrs12345t"));
1477 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 6, S("abcdefghijklmnopqrs12345t"));
1478 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1479 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 1, S("abcdefghijklmnopqrs2t"));
1480 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 2, S("abcdefghijklmnopqrs23t"));
1481 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 3, S("abcdefghijklmnopqrs234t"));
1482 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 4, S("abcdefghijklmnopqrs2345t"));
1483 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 5, S("abcdefghijklmnopqrs2345t"));
1484 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1485 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 1, S("abcdefghijklmnopqrs3t"));
1486 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 2, S("abcdefghijklmnopqrs34t"));
1487 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 3, S("abcdefghijklmnopqrs345t"));
1488 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 4, S("abcdefghijklmnopqrs345t"));
1489 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1490 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 4, 1, S("abcdefghijklmnopqrs5t"));
1491 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 4, 2, S("abcdefghijklmnopqrs5t"));
1492 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1493 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1494 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 6, 0, S("can't happen"));
1495 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1496 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 1, S("abcdefghijklmnopqrs1t"));
1497 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 5, S("abcdefghijklmnopqrs12345t"));
1498 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 9, S("abcdefghijklmnopqrs123456789t"));
1499 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 10, S("abcdefghijklmnopqrs1234567890t"));
1500 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 11, S("abcdefghijklmnopqrs1234567890t"));
1501 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1502 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 1, S("abcdefghijklmnopqrs2t"));
1503 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 4, S("abcdefghijklmnopqrs2345t"));
1504 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 8, S("abcdefghijklmnopqrs23456789t"));
1505 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 9, S("abcdefghijklmnopqrs234567890t"));
1506 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 10, S("abcdefghijklmnopqrs234567890t"));
1507 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1508 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 1, S("abcdefghijklmnopqrs6t"));
1509 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 2, S("abcdefghijklmnopqrs67t"));
1510 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 4, S("abcdefghijklmnopqrs6789t"));
1511 }
1512
1513 template <class S>
test26()1514 void test26()
1515 {
1516 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 5, S("abcdefghijklmnopqrs67890t"));
1517 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 6, S("abcdefghijklmnopqrs67890t"));
1518 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1519 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 9, 1, S("abcdefghijklmnopqrs0t"));
1520 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 9, 2, S("abcdefghijklmnopqrs0t"));
1521 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1522 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1523 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 11, 0, S("can't happen"));
1524 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1525 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 1, S("abcdefghijklmnopqrs1t"));
1526 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 10, S("abcdefghijklmnopqrs1234567890t"));
1527 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 19, S("abcdefghijklmnopqrs1234567890123456789t"));
1528 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 20, S("abcdefghijklmnopqrs12345678901234567890t"));
1529 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 21, S("abcdefghijklmnopqrs12345678901234567890t"));
1530 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1531 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 1, S("abcdefghijklmnopqrs2t"));
1532 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 9, S("abcdefghijklmnopqrs234567890t"));
1533 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 18, S("abcdefghijklmnopqrs234567890123456789t"));
1534 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 19, S("abcdefghijklmnopqrs2345678901234567890t"));
1535 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 20, S("abcdefghijklmnopqrs2345678901234567890t"));
1536 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1537 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 1, S("abcdefghijklmnopqrs1t"));
1538 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 5, S("abcdefghijklmnopqrs12345t"));
1539 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 9, S("abcdefghijklmnopqrs123456789t"));
1540 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 10, S("abcdefghijklmnopqrs1234567890t"));
1541 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 11, S("abcdefghijklmnopqrs1234567890t"));
1542 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1543 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 19, 1, S("abcdefghijklmnopqrs0t"));
1544 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 19, 2, S("abcdefghijklmnopqrs0t"));
1545 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1546 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1547 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 21, 0, S("can't happen"));
1548 test(S("abcdefghijklmnopqrst"), 20, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1549 test(S("abcdefghijklmnopqrst"), 20, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1550 test(S("abcdefghijklmnopqrst"), 20, S(""), 1, 0, S("can't happen"));
1551 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1552 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 1, S("abcdefghijklmnopqrst1"));
1553 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 2, S("abcdefghijklmnopqrst12"));
1554 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 4, S("abcdefghijklmnopqrst1234"));
1555 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 5, S("abcdefghijklmnopqrst12345"));
1556 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 6, S("abcdefghijklmnopqrst12345"));
1557 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1558 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 1, S("abcdefghijklmnopqrst2"));
1559 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 2, S("abcdefghijklmnopqrst23"));
1560 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 3, S("abcdefghijklmnopqrst234"));
1561 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 4, S("abcdefghijklmnopqrst2345"));
1562 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 5, S("abcdefghijklmnopqrst2345"));
1563 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1564 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 1, S("abcdefghijklmnopqrst3"));
1565 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 2, S("abcdefghijklmnopqrst34"));
1566 }
1567
1568 template <class S>
test27()1569 void test27()
1570 {
1571 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 3, S("abcdefghijklmnopqrst345"));
1572 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 4, S("abcdefghijklmnopqrst345"));
1573 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1574 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 4, 1, S("abcdefghijklmnopqrst5"));
1575 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 4, 2, S("abcdefghijklmnopqrst5"));
1576 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1577 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1578 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 6, 0, S("can't happen"));
1579 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1580 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 1, S("abcdefghijklmnopqrst1"));
1581 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 5, S("abcdefghijklmnopqrst12345"));
1582 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 9, S("abcdefghijklmnopqrst123456789"));
1583 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 10, S("abcdefghijklmnopqrst1234567890"));
1584 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 11, S("abcdefghijklmnopqrst1234567890"));
1585 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1586 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 1, S("abcdefghijklmnopqrst2"));
1587 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 4, S("abcdefghijklmnopqrst2345"));
1588 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 8, S("abcdefghijklmnopqrst23456789"));
1589 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 9, S("abcdefghijklmnopqrst234567890"));
1590 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 10, S("abcdefghijklmnopqrst234567890"));
1591 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1592 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 1, S("abcdefghijklmnopqrst6"));
1593 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 2, S("abcdefghijklmnopqrst67"));
1594 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 4, S("abcdefghijklmnopqrst6789"));
1595 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 5, S("abcdefghijklmnopqrst67890"));
1596 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 6, S("abcdefghijklmnopqrst67890"));
1597 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1598 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 9, 1, S("abcdefghijklmnopqrst0"));
1599 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 9, 2, S("abcdefghijklmnopqrst0"));
1600 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1601 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1602 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 11, 0, S("can't happen"));
1603 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1604 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 1, S("abcdefghijklmnopqrst1"));
1605 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 10, S("abcdefghijklmnopqrst1234567890"));
1606 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 19, S("abcdefghijklmnopqrst1234567890123456789"));
1607 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 20, S("abcdefghijklmnopqrst12345678901234567890"));
1608 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 21, S("abcdefghijklmnopqrst12345678901234567890"));
1609 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1610 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 1, S("abcdefghijklmnopqrst2"));
1611 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 9, S("abcdefghijklmnopqrst234567890"));
1612 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 18, S("abcdefghijklmnopqrst234567890123456789"));
1613 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 19, S("abcdefghijklmnopqrst2345678901234567890"));
1614 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 20, S("abcdefghijklmnopqrst2345678901234567890"));
1615 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1616 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 1, S("abcdefghijklmnopqrst1"));
1617 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 5, S("abcdefghijklmnopqrst12345"));
1618 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 9, S("abcdefghijklmnopqrst123456789"));
1619 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 10, S("abcdefghijklmnopqrst1234567890"));
1620 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 11, S("abcdefghijklmnopqrst1234567890"));
1621 }
1622
1623 template <class S>
test28()1624 void test28()
1625 {
1626 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1627 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 19, 1, S("abcdefghijklmnopqrst0"));
1628 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 19, 2, S("abcdefghijklmnopqrst0"));
1629 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1630 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1631 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 21, 0, S("can't happen"));
1632 test(S("abcdefghijklmnopqrst"), 21, S(""), 0, 0, S("can't happen"));
1633 test(S("abcdefghijklmnopqrst"), 21, S(""), 0, 1, S("can't happen"));
1634 test(S("abcdefghijklmnopqrst"), 21, S(""), 1, 0, S("can't happen"));
1635 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 0, S("can't happen"));
1636 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 1, S("can't happen"));
1637 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 2, S("can't happen"));
1638 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 4, S("can't happen"));
1639 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 5, S("can't happen"));
1640 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 6, S("can't happen"));
1641 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 0, S("can't happen"));
1642 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 1, S("can't happen"));
1643 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 2, S("can't happen"));
1644 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 3, S("can't happen"));
1645 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 4, S("can't happen"));
1646 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 5, S("can't happen"));
1647 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 0, S("can't happen"));
1648 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 1, S("can't happen"));
1649 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 2, S("can't happen"));
1650 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 3, S("can't happen"));
1651 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 4, S("can't happen"));
1652 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 4, 0, S("can't happen"));
1653 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 4, 1, S("can't happen"));
1654 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 4, 2, S("can't happen"));
1655 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 5, 0, S("can't happen"));
1656 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 5, 1, S("can't happen"));
1657 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 6, 0, S("can't happen"));
1658 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 0, S("can't happen"));
1659 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 1, S("can't happen"));
1660 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 5, S("can't happen"));
1661 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 9, S("can't happen"));
1662 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 10, S("can't happen"));
1663 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 11, S("can't happen"));
1664 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 0, S("can't happen"));
1665 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 1, S("can't happen"));
1666 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 4, S("can't happen"));
1667 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 8, S("can't happen"));
1668 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 9, S("can't happen"));
1669 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 10, S("can't happen"));
1670 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 0, S("can't happen"));
1671 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 1, S("can't happen"));
1672 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 2, S("can't happen"));
1673 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 4, S("can't happen"));
1674 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 5, S("can't happen"));
1675 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 6, S("can't happen"));
1676 }
1677
1678 template <class S>
test29()1679 void test29()
1680 {
1681 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 9, 0, S("can't happen"));
1682 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 9, 1, S("can't happen"));
1683 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 9, 2, S("can't happen"));
1684 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 10, 0, S("can't happen"));
1685 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 10, 1, S("can't happen"));
1686 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 11, 0, S("can't happen"));
1687 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 0, S("can't happen"));
1688 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 1, S("can't happen"));
1689 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 10, S("can't happen"));
1690 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 19, S("can't happen"));
1691 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 20, S("can't happen"));
1692 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 21, S("can't happen"));
1693 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 0, S("can't happen"));
1694 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 1, S("can't happen"));
1695 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 9, S("can't happen"));
1696 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 18, S("can't happen"));
1697 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 19, S("can't happen"));
1698 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 20, S("can't happen"));
1699 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 0, S("can't happen"));
1700 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 1, S("can't happen"));
1701 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 5, S("can't happen"));
1702 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 9, S("can't happen"));
1703 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 10, S("can't happen"));
1704 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 11, S("can't happen"));
1705 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 19, 0, S("can't happen"));
1706 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 19, 1, S("can't happen"));
1707 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 19, 2, S("can't happen"));
1708 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 20, 0, S("can't happen"));
1709 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 20, 1, S("can't happen"));
1710 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 21, 0, S("can't happen"));
1711 }
1712
1713 template <class S>
test30()1714 void test30()
1715 {
1716 test_npos(S(""), 0, S("12345678901234567890"), 0, S("12345678901234567890"));
1717 test_npos(S(""), 0, S("12345678901234567890"), 1, S( "2345678901234567890"));
1718 test_npos(S(""), 0, S("12345678901234567890"), 2, S( "345678901234567890"));
1719 test_npos(S(""), 0, S("12345678901234567890"), 3, S( "45678901234567890"));
1720 test_npos(S(""), 0, S("12345678901234567890"), 5, S( "678901234567890"));
1721 test_npos(S(""), 0, S("12345678901234567890"), 10, S( "1234567890"));
1722 test_npos(S(""), 0, S("12345678901234567890"), 21, S("can't happen"));
1723 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, S("abcdefghij12345klmnopqrst"));
1724 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, S("abcdefghij2345klmnopqrst"));
1725 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 3, S("abcdefghij45klmnopqrst"));
1726 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, S("abcdefghijklmnopqrst"));
1727 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 6, S("can't happen"));
1728 }
1729
main(int,char **)1730 int main(int, char**)
1731 {
1732 {
1733 typedef std::string S;
1734 test0<S>();
1735 test1<S>();
1736 test2<S>();
1737 test3<S>();
1738 test4<S>();
1739 test5<S>();
1740 test6<S>();
1741 test7<S>();
1742 test8<S>();
1743 test9<S>();
1744 test10<S>();
1745 test11<S>();
1746 test12<S>();
1747 test13<S>();
1748 test14<S>();
1749 test15<S>();
1750 test16<S>();
1751 test17<S>();
1752 test18<S>();
1753 test19<S>();
1754 test20<S>();
1755 test21<S>();
1756 test22<S>();
1757 test23<S>();
1758 test24<S>();
1759 test25<S>();
1760 test26<S>();
1761 test27<S>();
1762 test28<S>();
1763 test29<S>();
1764 test30<S>();
1765 }
1766 #if TEST_STD_VER >= 11
1767 {
1768 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
1769 test0<S>();
1770 test1<S>();
1771 test2<S>();
1772 test3<S>();
1773 test4<S>();
1774 test5<S>();
1775 test6<S>();
1776 test7<S>();
1777 test8<S>();
1778 test9<S>();
1779 test10<S>();
1780 test11<S>();
1781 test12<S>();
1782 test13<S>();
1783 test14<S>();
1784 test15<S>();
1785 test16<S>();
1786 test17<S>();
1787 test18<S>();
1788 test19<S>();
1789 test20<S>();
1790 test21<S>();
1791 test22<S>();
1792 test23<S>();
1793 test24<S>();
1794 test25<S>();
1795 test26<S>();
1796 test27<S>();
1797 test28<S>();
1798 test29<S>();
1799 test30<S>();
1800 }
1801 #endif
1802
1803 return 0;
1804 }
1805