1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <string>
11
12 // basic_string<charT,traits,Allocator>&
13 // insert(size_type pos1, const basic_string<charT,traits,Allocator>& str,
14 // size_type pos2, size_type n=npos);
15 // the "=npos" was added in C++14
16
17 #include <string>
18 #include <stdexcept>
19 #include <cassert>
20
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 typename S::size_type old_size = s.size();
29 S s0 = s;
30 try
31 {
32 s.insert(pos1, str, pos2, n);
33 assert(s.__invariants());
34 assert(pos1 <= old_size && pos2 <= str.size());
35 assert(s == expected);
36 }
37 catch (std::out_of_range&)
38 {
39 assert(pos1 > old_size || pos2 > str.size());
40 assert(s == s0);
41 }
42 }
43
44 template <class S>
45 void
test_npos(S s,typename S::size_type pos1,S str,typename S::size_type pos2,S expected)46 test_npos(S s, typename S::size_type pos1, S str, typename S::size_type pos2, S expected)
47 {
48 typename S::size_type old_size = s.size();
49 S s0 = s;
50 try
51 {
52 s.insert(pos1, str, pos2);
53 assert(s.__invariants());
54 assert(pos1 <= old_size && pos2 <= str.size());
55 assert(s == expected);
56 }
57 catch (std::out_of_range&)
58 {
59 assert(pos1 > old_size || pos2 > str.size());
60 assert(s == s0);
61 }
62 }
63
64
65 template <class S>
test0()66 void test0()
67 {
68 test(S(""), 0, S(""), 0, 0, S(""));
69 test(S(""), 0, S(""), 0, 1, S(""));
70 test(S(""), 0, S(""), 1, 0, S("can't happen"));
71 test(S(""), 0, S("12345"), 0, 0, S(""));
72 test(S(""), 0, S("12345"), 0, 1, S("1"));
73 test(S(""), 0, S("12345"), 0, 2, S("12"));
74 test(S(""), 0, S("12345"), 0, 4, S("1234"));
75 test(S(""), 0, S("12345"), 0, 5, S("12345"));
76 test(S(""), 0, S("12345"), 0, 6, S("12345"));
77 test(S(""), 0, S("12345"), 1, 0, S(""));
78 test(S(""), 0, S("12345"), 1, 1, S("2"));
79 test(S(""), 0, S("12345"), 1, 2, S("23"));
80 test(S(""), 0, S("12345"), 1, 3, S("234"));
81 test(S(""), 0, S("12345"), 1, 4, S("2345"));
82 test(S(""), 0, S("12345"), 1, 5, S("2345"));
83 test(S(""), 0, S("12345"), 2, 0, S(""));
84 test(S(""), 0, S("12345"), 2, 1, S("3"));
85 test(S(""), 0, S("12345"), 2, 2, S("34"));
86 test(S(""), 0, S("12345"), 2, 3, S("345"));
87 test(S(""), 0, S("12345"), 2, 4, S("345"));
88 test(S(""), 0, S("12345"), 4, 0, S(""));
89 test(S(""), 0, S("12345"), 4, 1, S("5"));
90 test(S(""), 0, S("12345"), 4, 2, S("5"));
91 test(S(""), 0, S("12345"), 5, 0, S(""));
92 test(S(""), 0, S("12345"), 5, 1, S(""));
93 test(S(""), 0, S("12345"), 6, 0, S("can't happen"));
94 test(S(""), 0, S("1234567890"), 0, 0, S(""));
95 test(S(""), 0, S("1234567890"), 0, 1, S("1"));
96 test(S(""), 0, S("1234567890"), 0, 5, S("12345"));
97 test(S(""), 0, S("1234567890"), 0, 9, S("123456789"));
98 test(S(""), 0, S("1234567890"), 0, 10, S("1234567890"));
99 test(S(""), 0, S("1234567890"), 0, 11, S("1234567890"));
100 test(S(""), 0, S("1234567890"), 1, 0, S(""));
101 test(S(""), 0, S("1234567890"), 1, 1, S("2"));
102 test(S(""), 0, S("1234567890"), 1, 4, S("2345"));
103 test(S(""), 0, S("1234567890"), 1, 8, S("23456789"));
104 test(S(""), 0, S("1234567890"), 1, 9, S("234567890"));
105 test(S(""), 0, S("1234567890"), 1, 10, S("234567890"));
106 test(S(""), 0, S("1234567890"), 5, 0, S(""));
107 test(S(""), 0, S("1234567890"), 5, 1, S("6"));
108 test(S(""), 0, S("1234567890"), 5, 2, S("67"));
109 test(S(""), 0, S("1234567890"), 5, 4, S("6789"));
110 test(S(""), 0, S("1234567890"), 5, 5, S("67890"));
111 test(S(""), 0, S("1234567890"), 5, 6, S("67890"));
112 test(S(""), 0, S("1234567890"), 9, 0, S(""));
113 test(S(""), 0, S("1234567890"), 9, 1, S("0"));
114 test(S(""), 0, S("1234567890"), 9, 2, S("0"));
115 test(S(""), 0, S("1234567890"), 10, 0, S(""));
116 test(S(""), 0, S("1234567890"), 10, 1, S(""));
117 test(S(""), 0, S("1234567890"), 11, 0, S("can't happen"));
118 }
119
120 template <class S>
test1()121 void test1()
122 {
123 test(S(""), 0, S("12345678901234567890"), 0, 0, S(""));
124 test(S(""), 0, S("12345678901234567890"), 0, 1, S("1"));
125 test(S(""), 0, S("12345678901234567890"), 0, 10, S("1234567890"));
126 test(S(""), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789"));
127 test(S(""), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890"));
128 test(S(""), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890"));
129 test(S(""), 0, S("12345678901234567890"), 1, 0, S(""));
130 test(S(""), 0, S("12345678901234567890"), 1, 1, S("2"));
131 test(S(""), 0, S("12345678901234567890"), 1, 9, S("234567890"));
132 test(S(""), 0, S("12345678901234567890"), 1, 18, S("234567890123456789"));
133 test(S(""), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890"));
134 test(S(""), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890"));
135 test(S(""), 0, S("12345678901234567890"), 10, 0, S(""));
136 test(S(""), 0, S("12345678901234567890"), 10, 1, S("1"));
137 test(S(""), 0, S("12345678901234567890"), 10, 5, S("12345"));
138 test(S(""), 0, S("12345678901234567890"), 10, 9, S("123456789"));
139 test(S(""), 0, S("12345678901234567890"), 10, 10, S("1234567890"));
140 test(S(""), 0, S("12345678901234567890"), 10, 11, S("1234567890"));
141 test(S(""), 0, S("12345678901234567890"), 19, 0, S(""));
142 test(S(""), 0, S("12345678901234567890"), 19, 1, S("0"));
143 test(S(""), 0, S("12345678901234567890"), 19, 2, S("0"));
144 test(S(""), 0, S("12345678901234567890"), 20, 0, S(""));
145 test(S(""), 0, S("12345678901234567890"), 20, 1, S(""));
146 test(S(""), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
147 test(S(""), 1, S(""), 0, 0, S("can't happen"));
148 test(S(""), 1, S(""), 0, 1, S("can't happen"));
149 test(S(""), 1, S(""), 1, 0, S("can't happen"));
150 test(S(""), 1, S("12345"), 0, 0, S("can't happen"));
151 test(S(""), 1, S("12345"), 0, 1, S("can't happen"));
152 test(S(""), 1, S("12345"), 0, 2, S("can't happen"));
153 test(S(""), 1, S("12345"), 0, 4, S("can't happen"));
154 test(S(""), 1, S("12345"), 0, 5, S("can't happen"));
155 test(S(""), 1, S("12345"), 0, 6, S("can't happen"));
156 test(S(""), 1, S("12345"), 1, 0, S("can't happen"));
157 test(S(""), 1, S("12345"), 1, 1, S("can't happen"));
158 test(S(""), 1, S("12345"), 1, 2, S("can't happen"));
159 test(S(""), 1, S("12345"), 1, 3, S("can't happen"));
160 test(S(""), 1, S("12345"), 1, 4, S("can't happen"));
161 test(S(""), 1, S("12345"), 1, 5, S("can't happen"));
162 test(S(""), 1, S("12345"), 2, 0, S("can't happen"));
163 test(S(""), 1, S("12345"), 2, 1, S("can't happen"));
164 test(S(""), 1, S("12345"), 2, 2, S("can't happen"));
165 test(S(""), 1, S("12345"), 2, 3, S("can't happen"));
166 test(S(""), 1, S("12345"), 2, 4, S("can't happen"));
167 test(S(""), 1, S("12345"), 4, 0, S("can't happen"));
168 test(S(""), 1, S("12345"), 4, 1, S("can't happen"));
169 test(S(""), 1, S("12345"), 4, 2, S("can't happen"));
170 test(S(""), 1, S("12345"), 5, 0, S("can't happen"));
171 test(S(""), 1, S("12345"), 5, 1, S("can't happen"));
172 test(S(""), 1, S("12345"), 6, 0, S("can't happen"));
173 }
174
175 template <class S>
test2()176 void test2()
177 {
178 test(S(""), 1, S("1234567890"), 0, 0, S("can't happen"));
179 test(S(""), 1, S("1234567890"), 0, 1, S("can't happen"));
180 test(S(""), 1, S("1234567890"), 0, 5, S("can't happen"));
181 test(S(""), 1, S("1234567890"), 0, 9, S("can't happen"));
182 test(S(""), 1, S("1234567890"), 0, 10, S("can't happen"));
183 test(S(""), 1, S("1234567890"), 0, 11, S("can't happen"));
184 test(S(""), 1, S("1234567890"), 1, 0, S("can't happen"));
185 test(S(""), 1, S("1234567890"), 1, 1, S("can't happen"));
186 test(S(""), 1, S("1234567890"), 1, 4, S("can't happen"));
187 test(S(""), 1, S("1234567890"), 1, 8, S("can't happen"));
188 test(S(""), 1, S("1234567890"), 1, 9, S("can't happen"));
189 test(S(""), 1, S("1234567890"), 1, 10, S("can't happen"));
190 test(S(""), 1, S("1234567890"), 5, 0, S("can't happen"));
191 test(S(""), 1, S("1234567890"), 5, 1, S("can't happen"));
192 test(S(""), 1, S("1234567890"), 5, 2, S("can't happen"));
193 test(S(""), 1, S("1234567890"), 5, 4, S("can't happen"));
194 test(S(""), 1, S("1234567890"), 5, 5, S("can't happen"));
195 test(S(""), 1, S("1234567890"), 5, 6, S("can't happen"));
196 test(S(""), 1, S("1234567890"), 9, 0, S("can't happen"));
197 test(S(""), 1, S("1234567890"), 9, 1, S("can't happen"));
198 test(S(""), 1, S("1234567890"), 9, 2, S("can't happen"));
199 test(S(""), 1, S("1234567890"), 10, 0, S("can't happen"));
200 test(S(""), 1, S("1234567890"), 10, 1, S("can't happen"));
201 test(S(""), 1, S("1234567890"), 11, 0, S("can't happen"));
202 test(S(""), 1, S("12345678901234567890"), 0, 0, S("can't happen"));
203 test(S(""), 1, S("12345678901234567890"), 0, 1, S("can't happen"));
204 test(S(""), 1, S("12345678901234567890"), 0, 10, S("can't happen"));
205 test(S(""), 1, S("12345678901234567890"), 0, 19, S("can't happen"));
206 test(S(""), 1, S("12345678901234567890"), 0, 20, S("can't happen"));
207 test(S(""), 1, S("12345678901234567890"), 0, 21, S("can't happen"));
208 test(S(""), 1, S("12345678901234567890"), 1, 0, S("can't happen"));
209 test(S(""), 1, S("12345678901234567890"), 1, 1, S("can't happen"));
210 test(S(""), 1, S("12345678901234567890"), 1, 9, S("can't happen"));
211 test(S(""), 1, S("12345678901234567890"), 1, 18, S("can't happen"));
212 test(S(""), 1, S("12345678901234567890"), 1, 19, S("can't happen"));
213 test(S(""), 1, S("12345678901234567890"), 1, 20, S("can't happen"));
214 test(S(""), 1, S("12345678901234567890"), 10, 0, S("can't happen"));
215 test(S(""), 1, S("12345678901234567890"), 10, 1, S("can't happen"));
216 test(S(""), 1, S("12345678901234567890"), 10, 5, S("can't happen"));
217 test(S(""), 1, S("12345678901234567890"), 10, 9, S("can't happen"));
218 test(S(""), 1, S("12345678901234567890"), 10, 10, S("can't happen"));
219 test(S(""), 1, S("12345678901234567890"), 10, 11, S("can't happen"));
220 test(S(""), 1, S("12345678901234567890"), 19, 0, S("can't happen"));
221 test(S(""), 1, S("12345678901234567890"), 19, 1, S("can't happen"));
222 test(S(""), 1, S("12345678901234567890"), 19, 2, S("can't happen"));
223 test(S(""), 1, S("12345678901234567890"), 20, 0, S("can't happen"));
224 test(S(""), 1, S("12345678901234567890"), 20, 1, S("can't happen"));
225 test(S(""), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
226 test(S("abcde"), 0, S(""), 0, 0, S("abcde"));
227 test(S("abcde"), 0, S(""), 0, 1, S("abcde"));
228 }
229
230 template <class S>
test3()231 void test3()
232 {
233 test(S("abcde"), 0, S(""), 1, 0, S("can't happen"));
234 test(S("abcde"), 0, S("12345"), 0, 0, S("abcde"));
235 test(S("abcde"), 0, S("12345"), 0, 1, S("1abcde"));
236 test(S("abcde"), 0, S("12345"), 0, 2, S("12abcde"));
237 test(S("abcde"), 0, S("12345"), 0, 4, S("1234abcde"));
238 test(S("abcde"), 0, S("12345"), 0, 5, S("12345abcde"));
239 test(S("abcde"), 0, S("12345"), 0, 6, S("12345abcde"));
240 test(S("abcde"), 0, S("12345"), 1, 0, S("abcde"));
241 test(S("abcde"), 0, S("12345"), 1, 1, S("2abcde"));
242 test(S("abcde"), 0, S("12345"), 1, 2, S("23abcde"));
243 test(S("abcde"), 0, S("12345"), 1, 3, S("234abcde"));
244 test(S("abcde"), 0, S("12345"), 1, 4, S("2345abcde"));
245 test(S("abcde"), 0, S("12345"), 1, 5, S("2345abcde"));
246 test(S("abcde"), 0, S("12345"), 2, 0, S("abcde"));
247 test(S("abcde"), 0, S("12345"), 2, 1, S("3abcde"));
248 test(S("abcde"), 0, S("12345"), 2, 2, S("34abcde"));
249 test(S("abcde"), 0, S("12345"), 2, 3, S("345abcde"));
250 test(S("abcde"), 0, S("12345"), 2, 4, S("345abcde"));
251 test(S("abcde"), 0, S("12345"), 4, 0, S("abcde"));
252 test(S("abcde"), 0, S("12345"), 4, 1, S("5abcde"));
253 test(S("abcde"), 0, S("12345"), 4, 2, S("5abcde"));
254 test(S("abcde"), 0, S("12345"), 5, 0, S("abcde"));
255 test(S("abcde"), 0, S("12345"), 5, 1, S("abcde"));
256 test(S("abcde"), 0, S("12345"), 6, 0, S("can't happen"));
257 test(S("abcde"), 0, S("1234567890"), 0, 0, S("abcde"));
258 test(S("abcde"), 0, S("1234567890"), 0, 1, S("1abcde"));
259 test(S("abcde"), 0, S("1234567890"), 0, 5, S("12345abcde"));
260 test(S("abcde"), 0, S("1234567890"), 0, 9, S("123456789abcde"));
261 test(S("abcde"), 0, S("1234567890"), 0, 10, S("1234567890abcde"));
262 test(S("abcde"), 0, S("1234567890"), 0, 11, S("1234567890abcde"));
263 test(S("abcde"), 0, S("1234567890"), 1, 0, S("abcde"));
264 test(S("abcde"), 0, S("1234567890"), 1, 1, S("2abcde"));
265 test(S("abcde"), 0, S("1234567890"), 1, 4, S("2345abcde"));
266 test(S("abcde"), 0, S("1234567890"), 1, 8, S("23456789abcde"));
267 test(S("abcde"), 0, S("1234567890"), 1, 9, S("234567890abcde"));
268 test(S("abcde"), 0, S("1234567890"), 1, 10, S("234567890abcde"));
269 test(S("abcde"), 0, S("1234567890"), 5, 0, S("abcde"));
270 test(S("abcde"), 0, S("1234567890"), 5, 1, S("6abcde"));
271 test(S("abcde"), 0, S("1234567890"), 5, 2, S("67abcde"));
272 test(S("abcde"), 0, S("1234567890"), 5, 4, S("6789abcde"));
273 test(S("abcde"), 0, S("1234567890"), 5, 5, S("67890abcde"));
274 test(S("abcde"), 0, S("1234567890"), 5, 6, S("67890abcde"));
275 test(S("abcde"), 0, S("1234567890"), 9, 0, S("abcde"));
276 test(S("abcde"), 0, S("1234567890"), 9, 1, S("0abcde"));
277 test(S("abcde"), 0, S("1234567890"), 9, 2, S("0abcde"));
278 test(S("abcde"), 0, S("1234567890"), 10, 0, S("abcde"));
279 test(S("abcde"), 0, S("1234567890"), 10, 1, S("abcde"));
280 test(S("abcde"), 0, S("1234567890"), 11, 0, S("can't happen"));
281 test(S("abcde"), 0, S("12345678901234567890"), 0, 0, S("abcde"));
282 test(S("abcde"), 0, S("12345678901234567890"), 0, 1, S("1abcde"));
283 }
284
285 template <class S>
test4()286 void test4()
287 {
288 test(S("abcde"), 0, S("12345678901234567890"), 0, 10, S("1234567890abcde"));
289 test(S("abcde"), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789abcde"));
290 test(S("abcde"), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890abcde"));
291 test(S("abcde"), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890abcde"));
292 test(S("abcde"), 0, S("12345678901234567890"), 1, 0, S("abcde"));
293 test(S("abcde"), 0, S("12345678901234567890"), 1, 1, S("2abcde"));
294 test(S("abcde"), 0, S("12345678901234567890"), 1, 9, S("234567890abcde"));
295 test(S("abcde"), 0, S("12345678901234567890"), 1, 18, S("234567890123456789abcde"));
296 test(S("abcde"), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890abcde"));
297 test(S("abcde"), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890abcde"));
298 test(S("abcde"), 0, S("12345678901234567890"), 10, 0, S("abcde"));
299 test(S("abcde"), 0, S("12345678901234567890"), 10, 1, S("1abcde"));
300 test(S("abcde"), 0, S("12345678901234567890"), 10, 5, S("12345abcde"));
301 test(S("abcde"), 0, S("12345678901234567890"), 10, 9, S("123456789abcde"));
302 test(S("abcde"), 0, S("12345678901234567890"), 10, 10, S("1234567890abcde"));
303 test(S("abcde"), 0, S("12345678901234567890"), 10, 11, S("1234567890abcde"));
304 test(S("abcde"), 0, S("12345678901234567890"), 19, 0, S("abcde"));
305 test(S("abcde"), 0, S("12345678901234567890"), 19, 1, S("0abcde"));
306 test(S("abcde"), 0, S("12345678901234567890"), 19, 2, S("0abcde"));
307 test(S("abcde"), 0, S("12345678901234567890"), 20, 0, S("abcde"));
308 test(S("abcde"), 0, S("12345678901234567890"), 20, 1, S("abcde"));
309 test(S("abcde"), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
310 test(S("abcde"), 1, S(""), 0, 0, S("abcde"));
311 test(S("abcde"), 1, S(""), 0, 1, S("abcde"));
312 test(S("abcde"), 1, S(""), 1, 0, S("can't happen"));
313 test(S("abcde"), 1, S("12345"), 0, 0, S("abcde"));
314 test(S("abcde"), 1, S("12345"), 0, 1, S("a1bcde"));
315 test(S("abcde"), 1, S("12345"), 0, 2, S("a12bcde"));
316 test(S("abcde"), 1, S("12345"), 0, 4, S("a1234bcde"));
317 test(S("abcde"), 1, S("12345"), 0, 5, S("a12345bcde"));
318 test(S("abcde"), 1, S("12345"), 0, 6, S("a12345bcde"));
319 test(S("abcde"), 1, S("12345"), 1, 0, S("abcde"));
320 test(S("abcde"), 1, S("12345"), 1, 1, S("a2bcde"));
321 test(S("abcde"), 1, S("12345"), 1, 2, S("a23bcde"));
322 test(S("abcde"), 1, S("12345"), 1, 3, S("a234bcde"));
323 test(S("abcde"), 1, S("12345"), 1, 4, S("a2345bcde"));
324 test(S("abcde"), 1, S("12345"), 1, 5, S("a2345bcde"));
325 test(S("abcde"), 1, S("12345"), 2, 0, S("abcde"));
326 test(S("abcde"), 1, S("12345"), 2, 1, S("a3bcde"));
327 test(S("abcde"), 1, S("12345"), 2, 2, S("a34bcde"));
328 test(S("abcde"), 1, S("12345"), 2, 3, S("a345bcde"));
329 test(S("abcde"), 1, S("12345"), 2, 4, S("a345bcde"));
330 test(S("abcde"), 1, S("12345"), 4, 0, S("abcde"));
331 test(S("abcde"), 1, S("12345"), 4, 1, S("a5bcde"));
332 test(S("abcde"), 1, S("12345"), 4, 2, S("a5bcde"));
333 test(S("abcde"), 1, S("12345"), 5, 0, S("abcde"));
334 test(S("abcde"), 1, S("12345"), 5, 1, S("abcde"));
335 test(S("abcde"), 1, S("12345"), 6, 0, S("can't happen"));
336 test(S("abcde"), 1, S("1234567890"), 0, 0, S("abcde"));
337 test(S("abcde"), 1, S("1234567890"), 0, 1, S("a1bcde"));
338 }
339
340 template <class S>
test5()341 void test5()
342 {
343 test(S("abcde"), 1, S("1234567890"), 0, 5, S("a12345bcde"));
344 test(S("abcde"), 1, S("1234567890"), 0, 9, S("a123456789bcde"));
345 test(S("abcde"), 1, S("1234567890"), 0, 10, S("a1234567890bcde"));
346 test(S("abcde"), 1, S("1234567890"), 0, 11, S("a1234567890bcde"));
347 test(S("abcde"), 1, S("1234567890"), 1, 0, S("abcde"));
348 test(S("abcde"), 1, S("1234567890"), 1, 1, S("a2bcde"));
349 test(S("abcde"), 1, S("1234567890"), 1, 4, S("a2345bcde"));
350 test(S("abcde"), 1, S("1234567890"), 1, 8, S("a23456789bcde"));
351 test(S("abcde"), 1, S("1234567890"), 1, 9, S("a234567890bcde"));
352 test(S("abcde"), 1, S("1234567890"), 1, 10, S("a234567890bcde"));
353 test(S("abcde"), 1, S("1234567890"), 5, 0, S("abcde"));
354 test(S("abcde"), 1, S("1234567890"), 5, 1, S("a6bcde"));
355 test(S("abcde"), 1, S("1234567890"), 5, 2, S("a67bcde"));
356 test(S("abcde"), 1, S("1234567890"), 5, 4, S("a6789bcde"));
357 test(S("abcde"), 1, S("1234567890"), 5, 5, S("a67890bcde"));
358 test(S("abcde"), 1, S("1234567890"), 5, 6, S("a67890bcde"));
359 test(S("abcde"), 1, S("1234567890"), 9, 0, S("abcde"));
360 test(S("abcde"), 1, S("1234567890"), 9, 1, S("a0bcde"));
361 test(S("abcde"), 1, S("1234567890"), 9, 2, S("a0bcde"));
362 test(S("abcde"), 1, S("1234567890"), 10, 0, S("abcde"));
363 test(S("abcde"), 1, S("1234567890"), 10, 1, S("abcde"));
364 test(S("abcde"), 1, S("1234567890"), 11, 0, S("can't happen"));
365 test(S("abcde"), 1, S("12345678901234567890"), 0, 0, S("abcde"));
366 test(S("abcde"), 1, S("12345678901234567890"), 0, 1, S("a1bcde"));
367 test(S("abcde"), 1, S("12345678901234567890"), 0, 10, S("a1234567890bcde"));
368 test(S("abcde"), 1, S("12345678901234567890"), 0, 19, S("a1234567890123456789bcde"));
369 test(S("abcde"), 1, S("12345678901234567890"), 0, 20, S("a12345678901234567890bcde"));
370 test(S("abcde"), 1, S("12345678901234567890"), 0, 21, S("a12345678901234567890bcde"));
371 test(S("abcde"), 1, S("12345678901234567890"), 1, 0, S("abcde"));
372 test(S("abcde"), 1, S("12345678901234567890"), 1, 1, S("a2bcde"));
373 test(S("abcde"), 1, S("12345678901234567890"), 1, 9, S("a234567890bcde"));
374 test(S("abcde"), 1, S("12345678901234567890"), 1, 18, S("a234567890123456789bcde"));
375 test(S("abcde"), 1, S("12345678901234567890"), 1, 19, S("a2345678901234567890bcde"));
376 test(S("abcde"), 1, S("12345678901234567890"), 1, 20, S("a2345678901234567890bcde"));
377 test(S("abcde"), 1, S("12345678901234567890"), 10, 0, S("abcde"));
378 test(S("abcde"), 1, S("12345678901234567890"), 10, 1, S("a1bcde"));
379 test(S("abcde"), 1, S("12345678901234567890"), 10, 5, S("a12345bcde"));
380 test(S("abcde"), 1, S("12345678901234567890"), 10, 9, S("a123456789bcde"));
381 test(S("abcde"), 1, S("12345678901234567890"), 10, 10, S("a1234567890bcde"));
382 test(S("abcde"), 1, S("12345678901234567890"), 10, 11, S("a1234567890bcde"));
383 test(S("abcde"), 1, S("12345678901234567890"), 19, 0, S("abcde"));
384 test(S("abcde"), 1, S("12345678901234567890"), 19, 1, S("a0bcde"));
385 test(S("abcde"), 1, S("12345678901234567890"), 19, 2, S("a0bcde"));
386 test(S("abcde"), 1, S("12345678901234567890"), 20, 0, S("abcde"));
387 test(S("abcde"), 1, S("12345678901234567890"), 20, 1, S("abcde"));
388 test(S("abcde"), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
389 test(S("abcde"), 2, S(""), 0, 0, S("abcde"));
390 test(S("abcde"), 2, S(""), 0, 1, S("abcde"));
391 test(S("abcde"), 2, S(""), 1, 0, S("can't happen"));
392 test(S("abcde"), 2, S("12345"), 0, 0, S("abcde"));
393 }
394
395 template <class S>
test6()396 void test6()
397 {
398 test(S("abcde"), 2, S("12345"), 0, 1, S("ab1cde"));
399 test(S("abcde"), 2, S("12345"), 0, 2, S("ab12cde"));
400 test(S("abcde"), 2, S("12345"), 0, 4, S("ab1234cde"));
401 test(S("abcde"), 2, S("12345"), 0, 5, S("ab12345cde"));
402 test(S("abcde"), 2, S("12345"), 0, 6, S("ab12345cde"));
403 test(S("abcde"), 2, S("12345"), 1, 0, S("abcde"));
404 test(S("abcde"), 2, S("12345"), 1, 1, S("ab2cde"));
405 test(S("abcde"), 2, S("12345"), 1, 2, S("ab23cde"));
406 test(S("abcde"), 2, S("12345"), 1, 3, S("ab234cde"));
407 test(S("abcde"), 2, S("12345"), 1, 4, S("ab2345cde"));
408 test(S("abcde"), 2, S("12345"), 1, 5, S("ab2345cde"));
409 test(S("abcde"), 2, S("12345"), 2, 0, S("abcde"));
410 test(S("abcde"), 2, S("12345"), 2, 1, S("ab3cde"));
411 test(S("abcde"), 2, S("12345"), 2, 2, S("ab34cde"));
412 test(S("abcde"), 2, S("12345"), 2, 3, S("ab345cde"));
413 test(S("abcde"), 2, S("12345"), 2, 4, S("ab345cde"));
414 test(S("abcde"), 2, S("12345"), 4, 0, S("abcde"));
415 test(S("abcde"), 2, S("12345"), 4, 1, S("ab5cde"));
416 test(S("abcde"), 2, S("12345"), 4, 2, S("ab5cde"));
417 test(S("abcde"), 2, S("12345"), 5, 0, S("abcde"));
418 test(S("abcde"), 2, S("12345"), 5, 1, S("abcde"));
419 test(S("abcde"), 2, S("12345"), 6, 0, S("can't happen"));
420 test(S("abcde"), 2, S("1234567890"), 0, 0, S("abcde"));
421 test(S("abcde"), 2, S("1234567890"), 0, 1, S("ab1cde"));
422 test(S("abcde"), 2, S("1234567890"), 0, 5, S("ab12345cde"));
423 test(S("abcde"), 2, S("1234567890"), 0, 9, S("ab123456789cde"));
424 test(S("abcde"), 2, S("1234567890"), 0, 10, S("ab1234567890cde"));
425 test(S("abcde"), 2, S("1234567890"), 0, 11, S("ab1234567890cde"));
426 test(S("abcde"), 2, S("1234567890"), 1, 0, S("abcde"));
427 test(S("abcde"), 2, S("1234567890"), 1, 1, S("ab2cde"));
428 test(S("abcde"), 2, S("1234567890"), 1, 4, S("ab2345cde"));
429 test(S("abcde"), 2, S("1234567890"), 1, 8, S("ab23456789cde"));
430 test(S("abcde"), 2, S("1234567890"), 1, 9, S("ab234567890cde"));
431 test(S("abcde"), 2, S("1234567890"), 1, 10, S("ab234567890cde"));
432 test(S("abcde"), 2, S("1234567890"), 5, 0, S("abcde"));
433 test(S("abcde"), 2, S("1234567890"), 5, 1, S("ab6cde"));
434 test(S("abcde"), 2, S("1234567890"), 5, 2, S("ab67cde"));
435 test(S("abcde"), 2, S("1234567890"), 5, 4, S("ab6789cde"));
436 test(S("abcde"), 2, S("1234567890"), 5, 5, S("ab67890cde"));
437 test(S("abcde"), 2, S("1234567890"), 5, 6, S("ab67890cde"));
438 test(S("abcde"), 2, S("1234567890"), 9, 0, S("abcde"));
439 test(S("abcde"), 2, S("1234567890"), 9, 1, S("ab0cde"));
440 test(S("abcde"), 2, S("1234567890"), 9, 2, S("ab0cde"));
441 test(S("abcde"), 2, S("1234567890"), 10, 0, S("abcde"));
442 test(S("abcde"), 2, S("1234567890"), 10, 1, S("abcde"));
443 test(S("abcde"), 2, S("1234567890"), 11, 0, S("can't happen"));
444 test(S("abcde"), 2, S("12345678901234567890"), 0, 0, S("abcde"));
445 test(S("abcde"), 2, S("12345678901234567890"), 0, 1, S("ab1cde"));
446 test(S("abcde"), 2, S("12345678901234567890"), 0, 10, S("ab1234567890cde"));
447 test(S("abcde"), 2, S("12345678901234567890"), 0, 19, S("ab1234567890123456789cde"));
448 }
449
450 template <class S>
test7()451 void test7()
452 {
453 test(S("abcde"), 2, S("12345678901234567890"), 0, 20, S("ab12345678901234567890cde"));
454 test(S("abcde"), 2, S("12345678901234567890"), 0, 21, S("ab12345678901234567890cde"));
455 test(S("abcde"), 2, S("12345678901234567890"), 1, 0, S("abcde"));
456 test(S("abcde"), 2, S("12345678901234567890"), 1, 1, S("ab2cde"));
457 test(S("abcde"), 2, S("12345678901234567890"), 1, 9, S("ab234567890cde"));
458 test(S("abcde"), 2, S("12345678901234567890"), 1, 18, S("ab234567890123456789cde"));
459 test(S("abcde"), 2, S("12345678901234567890"), 1, 19, S("ab2345678901234567890cde"));
460 test(S("abcde"), 2, S("12345678901234567890"), 1, 20, S("ab2345678901234567890cde"));
461 test(S("abcde"), 2, S("12345678901234567890"), 10, 0, S("abcde"));
462 test(S("abcde"), 2, S("12345678901234567890"), 10, 1, S("ab1cde"));
463 test(S("abcde"), 2, S("12345678901234567890"), 10, 5, S("ab12345cde"));
464 test(S("abcde"), 2, S("12345678901234567890"), 10, 9, S("ab123456789cde"));
465 test(S("abcde"), 2, S("12345678901234567890"), 10, 10, S("ab1234567890cde"));
466 test(S("abcde"), 2, S("12345678901234567890"), 10, 11, S("ab1234567890cde"));
467 test(S("abcde"), 2, S("12345678901234567890"), 19, 0, S("abcde"));
468 test(S("abcde"), 2, S("12345678901234567890"), 19, 1, S("ab0cde"));
469 test(S("abcde"), 2, S("12345678901234567890"), 19, 2, S("ab0cde"));
470 test(S("abcde"), 2, S("12345678901234567890"), 20, 0, S("abcde"));
471 test(S("abcde"), 2, S("12345678901234567890"), 20, 1, S("abcde"));
472 test(S("abcde"), 2, S("12345678901234567890"), 21, 0, S("can't happen"));
473 test(S("abcde"), 4, S(""), 0, 0, S("abcde"));
474 test(S("abcde"), 4, S(""), 0, 1, S("abcde"));
475 test(S("abcde"), 4, S(""), 1, 0, S("can't happen"));
476 test(S("abcde"), 4, S("12345"), 0, 0, S("abcde"));
477 test(S("abcde"), 4, S("12345"), 0, 1, S("abcd1e"));
478 test(S("abcde"), 4, S("12345"), 0, 2, S("abcd12e"));
479 test(S("abcde"), 4, S("12345"), 0, 4, S("abcd1234e"));
480 test(S("abcde"), 4, S("12345"), 0, 5, S("abcd12345e"));
481 test(S("abcde"), 4, S("12345"), 0, 6, S("abcd12345e"));
482 test(S("abcde"), 4, S("12345"), 1, 0, S("abcde"));
483 test(S("abcde"), 4, S("12345"), 1, 1, S("abcd2e"));
484 test(S("abcde"), 4, S("12345"), 1, 2, S("abcd23e"));
485 test(S("abcde"), 4, S("12345"), 1, 3, S("abcd234e"));
486 test(S("abcde"), 4, S("12345"), 1, 4, S("abcd2345e"));
487 test(S("abcde"), 4, S("12345"), 1, 5, S("abcd2345e"));
488 test(S("abcde"), 4, S("12345"), 2, 0, S("abcde"));
489 test(S("abcde"), 4, S("12345"), 2, 1, S("abcd3e"));
490 test(S("abcde"), 4, S("12345"), 2, 2, S("abcd34e"));
491 test(S("abcde"), 4, S("12345"), 2, 3, S("abcd345e"));
492 test(S("abcde"), 4, S("12345"), 2, 4, S("abcd345e"));
493 test(S("abcde"), 4, S("12345"), 4, 0, S("abcde"));
494 test(S("abcde"), 4, S("12345"), 4, 1, S("abcd5e"));
495 test(S("abcde"), 4, S("12345"), 4, 2, S("abcd5e"));
496 test(S("abcde"), 4, S("12345"), 5, 0, S("abcde"));
497 test(S("abcde"), 4, S("12345"), 5, 1, S("abcde"));
498 test(S("abcde"), 4, S("12345"), 6, 0, S("can't happen"));
499 test(S("abcde"), 4, S("1234567890"), 0, 0, S("abcde"));
500 test(S("abcde"), 4, S("1234567890"), 0, 1, S("abcd1e"));
501 test(S("abcde"), 4, S("1234567890"), 0, 5, S("abcd12345e"));
502 test(S("abcde"), 4, S("1234567890"), 0, 9, S("abcd123456789e"));
503 }
504
505 template <class S>
test8()506 void test8()
507 {
508 test(S("abcde"), 4, S("1234567890"), 0, 10, S("abcd1234567890e"));
509 test(S("abcde"), 4, S("1234567890"), 0, 11, S("abcd1234567890e"));
510 test(S("abcde"), 4, S("1234567890"), 1, 0, S("abcde"));
511 test(S("abcde"), 4, S("1234567890"), 1, 1, S("abcd2e"));
512 test(S("abcde"), 4, S("1234567890"), 1, 4, S("abcd2345e"));
513 test(S("abcde"), 4, S("1234567890"), 1, 8, S("abcd23456789e"));
514 test(S("abcde"), 4, S("1234567890"), 1, 9, S("abcd234567890e"));
515 test(S("abcde"), 4, S("1234567890"), 1, 10, S("abcd234567890e"));
516 test(S("abcde"), 4, S("1234567890"), 5, 0, S("abcde"));
517 test(S("abcde"), 4, S("1234567890"), 5, 1, S("abcd6e"));
518 test(S("abcde"), 4, S("1234567890"), 5, 2, S("abcd67e"));
519 test(S("abcde"), 4, S("1234567890"), 5, 4, S("abcd6789e"));
520 test(S("abcde"), 4, S("1234567890"), 5, 5, S("abcd67890e"));
521 test(S("abcde"), 4, S("1234567890"), 5, 6, S("abcd67890e"));
522 test(S("abcde"), 4, S("1234567890"), 9, 0, S("abcde"));
523 test(S("abcde"), 4, S("1234567890"), 9, 1, S("abcd0e"));
524 test(S("abcde"), 4, S("1234567890"), 9, 2, S("abcd0e"));
525 test(S("abcde"), 4, S("1234567890"), 10, 0, S("abcde"));
526 test(S("abcde"), 4, S("1234567890"), 10, 1, S("abcde"));
527 test(S("abcde"), 4, S("1234567890"), 11, 0, S("can't happen"));
528 test(S("abcde"), 4, S("12345678901234567890"), 0, 0, S("abcde"));
529 test(S("abcde"), 4, S("12345678901234567890"), 0, 1, S("abcd1e"));
530 test(S("abcde"), 4, S("12345678901234567890"), 0, 10, S("abcd1234567890e"));
531 test(S("abcde"), 4, S("12345678901234567890"), 0, 19, S("abcd1234567890123456789e"));
532 test(S("abcde"), 4, S("12345678901234567890"), 0, 20, S("abcd12345678901234567890e"));
533 test(S("abcde"), 4, S("12345678901234567890"), 0, 21, S("abcd12345678901234567890e"));
534 test(S("abcde"), 4, S("12345678901234567890"), 1, 0, S("abcde"));
535 test(S("abcde"), 4, S("12345678901234567890"), 1, 1, S("abcd2e"));
536 test(S("abcde"), 4, S("12345678901234567890"), 1, 9, S("abcd234567890e"));
537 test(S("abcde"), 4, S("12345678901234567890"), 1, 18, S("abcd234567890123456789e"));
538 test(S("abcde"), 4, S("12345678901234567890"), 1, 19, S("abcd2345678901234567890e"));
539 test(S("abcde"), 4, S("12345678901234567890"), 1, 20, S("abcd2345678901234567890e"));
540 test(S("abcde"), 4, S("12345678901234567890"), 10, 0, S("abcde"));
541 test(S("abcde"), 4, S("12345678901234567890"), 10, 1, S("abcd1e"));
542 test(S("abcde"), 4, S("12345678901234567890"), 10, 5, S("abcd12345e"));
543 test(S("abcde"), 4, S("12345678901234567890"), 10, 9, S("abcd123456789e"));
544 test(S("abcde"), 4, S("12345678901234567890"), 10, 10, S("abcd1234567890e"));
545 test(S("abcde"), 4, S("12345678901234567890"), 10, 11, S("abcd1234567890e"));
546 test(S("abcde"), 4, S("12345678901234567890"), 19, 0, S("abcde"));
547 test(S("abcde"), 4, S("12345678901234567890"), 19, 1, S("abcd0e"));
548 test(S("abcde"), 4, S("12345678901234567890"), 19, 2, S("abcd0e"));
549 test(S("abcde"), 4, S("12345678901234567890"), 20, 0, S("abcde"));
550 test(S("abcde"), 4, S("12345678901234567890"), 20, 1, S("abcde"));
551 test(S("abcde"), 4, S("12345678901234567890"), 21, 0, S("can't happen"));
552 test(S("abcde"), 5, S(""), 0, 0, S("abcde"));
553 test(S("abcde"), 5, S(""), 0, 1, S("abcde"));
554 test(S("abcde"), 5, S(""), 1, 0, S("can't happen"));
555 test(S("abcde"), 5, S("12345"), 0, 0, S("abcde"));
556 test(S("abcde"), 5, S("12345"), 0, 1, S("abcde1"));
557 test(S("abcde"), 5, S("12345"), 0, 2, S("abcde12"));
558 }
559
560 template <class S>
test9()561 void test9()
562 {
563 test(S("abcde"), 5, S("12345"), 0, 4, S("abcde1234"));
564 test(S("abcde"), 5, S("12345"), 0, 5, S("abcde12345"));
565 test(S("abcde"), 5, S("12345"), 0, 6, S("abcde12345"));
566 test(S("abcde"), 5, S("12345"), 1, 0, S("abcde"));
567 test(S("abcde"), 5, S("12345"), 1, 1, S("abcde2"));
568 test(S("abcde"), 5, S("12345"), 1, 2, S("abcde23"));
569 test(S("abcde"), 5, S("12345"), 1, 3, S("abcde234"));
570 test(S("abcde"), 5, S("12345"), 1, 4, S("abcde2345"));
571 test(S("abcde"), 5, S("12345"), 1, 5, S("abcde2345"));
572 test(S("abcde"), 5, S("12345"), 2, 0, S("abcde"));
573 test(S("abcde"), 5, S("12345"), 2, 1, S("abcde3"));
574 test(S("abcde"), 5, S("12345"), 2, 2, S("abcde34"));
575 test(S("abcde"), 5, S("12345"), 2, 3, S("abcde345"));
576 test(S("abcde"), 5, S("12345"), 2, 4, S("abcde345"));
577 test(S("abcde"), 5, S("12345"), 4, 0, S("abcde"));
578 test(S("abcde"), 5, S("12345"), 4, 1, S("abcde5"));
579 test(S("abcde"), 5, S("12345"), 4, 2, S("abcde5"));
580 test(S("abcde"), 5, S("12345"), 5, 0, S("abcde"));
581 test(S("abcde"), 5, S("12345"), 5, 1, S("abcde"));
582 test(S("abcde"), 5, S("12345"), 6, 0, S("can't happen"));
583 test(S("abcde"), 5, S("1234567890"), 0, 0, S("abcde"));
584 test(S("abcde"), 5, S("1234567890"), 0, 1, S("abcde1"));
585 test(S("abcde"), 5, S("1234567890"), 0, 5, S("abcde12345"));
586 test(S("abcde"), 5, S("1234567890"), 0, 9, S("abcde123456789"));
587 test(S("abcde"), 5, S("1234567890"), 0, 10, S("abcde1234567890"));
588 test(S("abcde"), 5, S("1234567890"), 0, 11, S("abcde1234567890"));
589 test(S("abcde"), 5, S("1234567890"), 1, 0, S("abcde"));
590 test(S("abcde"), 5, S("1234567890"), 1, 1, S("abcde2"));
591 test(S("abcde"), 5, S("1234567890"), 1, 4, S("abcde2345"));
592 test(S("abcde"), 5, S("1234567890"), 1, 8, S("abcde23456789"));
593 test(S("abcde"), 5, S("1234567890"), 1, 9, S("abcde234567890"));
594 test(S("abcde"), 5, S("1234567890"), 1, 10, S("abcde234567890"));
595 test(S("abcde"), 5, S("1234567890"), 5, 0, S("abcde"));
596 test(S("abcde"), 5, S("1234567890"), 5, 1, S("abcde6"));
597 test(S("abcde"), 5, S("1234567890"), 5, 2, S("abcde67"));
598 test(S("abcde"), 5, S("1234567890"), 5, 4, S("abcde6789"));
599 test(S("abcde"), 5, S("1234567890"), 5, 5, S("abcde67890"));
600 test(S("abcde"), 5, S("1234567890"), 5, 6, S("abcde67890"));
601 test(S("abcde"), 5, S("1234567890"), 9, 0, S("abcde"));
602 test(S("abcde"), 5, S("1234567890"), 9, 1, S("abcde0"));
603 test(S("abcde"), 5, S("1234567890"), 9, 2, S("abcde0"));
604 test(S("abcde"), 5, S("1234567890"), 10, 0, S("abcde"));
605 test(S("abcde"), 5, S("1234567890"), 10, 1, S("abcde"));
606 test(S("abcde"), 5, S("1234567890"), 11, 0, S("can't happen"));
607 test(S("abcde"), 5, S("12345678901234567890"), 0, 0, S("abcde"));
608 test(S("abcde"), 5, S("12345678901234567890"), 0, 1, S("abcde1"));
609 test(S("abcde"), 5, S("12345678901234567890"), 0, 10, S("abcde1234567890"));
610 test(S("abcde"), 5, S("12345678901234567890"), 0, 19, S("abcde1234567890123456789"));
611 test(S("abcde"), 5, S("12345678901234567890"), 0, 20, S("abcde12345678901234567890"));
612 test(S("abcde"), 5, S("12345678901234567890"), 0, 21, S("abcde12345678901234567890"));
613 }
614
615 template <class S>
test10()616 void test10()
617 {
618 test(S("abcde"), 5, S("12345678901234567890"), 1, 0, S("abcde"));
619 test(S("abcde"), 5, S("12345678901234567890"), 1, 1, S("abcde2"));
620 test(S("abcde"), 5, S("12345678901234567890"), 1, 9, S("abcde234567890"));
621 test(S("abcde"), 5, S("12345678901234567890"), 1, 18, S("abcde234567890123456789"));
622 test(S("abcde"), 5, S("12345678901234567890"), 1, 19, S("abcde2345678901234567890"));
623 test(S("abcde"), 5, S("12345678901234567890"), 1, 20, S("abcde2345678901234567890"));
624 test(S("abcde"), 5, S("12345678901234567890"), 10, 0, S("abcde"));
625 test(S("abcde"), 5, S("12345678901234567890"), 10, 1, S("abcde1"));
626 test(S("abcde"), 5, S("12345678901234567890"), 10, 5, S("abcde12345"));
627 test(S("abcde"), 5, S("12345678901234567890"), 10, 9, S("abcde123456789"));
628 test(S("abcde"), 5, S("12345678901234567890"), 10, 10, S("abcde1234567890"));
629 test(S("abcde"), 5, S("12345678901234567890"), 10, 11, S("abcde1234567890"));
630 test(S("abcde"), 5, S("12345678901234567890"), 19, 0, S("abcde"));
631 test(S("abcde"), 5, S("12345678901234567890"), 19, 1, S("abcde0"));
632 test(S("abcde"), 5, S("12345678901234567890"), 19, 2, S("abcde0"));
633 test(S("abcde"), 5, S("12345678901234567890"), 20, 0, S("abcde"));
634 test(S("abcde"), 5, S("12345678901234567890"), 20, 1, S("abcde"));
635 test(S("abcde"), 5, S("12345678901234567890"), 21, 0, S("can't happen"));
636 test(S("abcde"), 6, S(""), 0, 0, S("can't happen"));
637 test(S("abcde"), 6, S(""), 0, 1, S("can't happen"));
638 test(S("abcde"), 6, S(""), 1, 0, S("can't happen"));
639 test(S("abcde"), 6, S("12345"), 0, 0, S("can't happen"));
640 test(S("abcde"), 6, S("12345"), 0, 1, S("can't happen"));
641 test(S("abcde"), 6, S("12345"), 0, 2, S("can't happen"));
642 test(S("abcde"), 6, S("12345"), 0, 4, S("can't happen"));
643 test(S("abcde"), 6, S("12345"), 0, 5, S("can't happen"));
644 test(S("abcde"), 6, S("12345"), 0, 6, S("can't happen"));
645 test(S("abcde"), 6, S("12345"), 1, 0, S("can't happen"));
646 test(S("abcde"), 6, S("12345"), 1, 1, S("can't happen"));
647 test(S("abcde"), 6, S("12345"), 1, 2, S("can't happen"));
648 test(S("abcde"), 6, S("12345"), 1, 3, S("can't happen"));
649 test(S("abcde"), 6, S("12345"), 1, 4, S("can't happen"));
650 test(S("abcde"), 6, S("12345"), 1, 5, S("can't happen"));
651 test(S("abcde"), 6, S("12345"), 2, 0, S("can't happen"));
652 test(S("abcde"), 6, S("12345"), 2, 1, S("can't happen"));
653 test(S("abcde"), 6, S("12345"), 2, 2, S("can't happen"));
654 test(S("abcde"), 6, S("12345"), 2, 3, S("can't happen"));
655 test(S("abcde"), 6, S("12345"), 2, 4, S("can't happen"));
656 test(S("abcde"), 6, S("12345"), 4, 0, S("can't happen"));
657 test(S("abcde"), 6, S("12345"), 4, 1, S("can't happen"));
658 test(S("abcde"), 6, S("12345"), 4, 2, S("can't happen"));
659 test(S("abcde"), 6, S("12345"), 5, 0, S("can't happen"));
660 test(S("abcde"), 6, S("12345"), 5, 1, S("can't happen"));
661 test(S("abcde"), 6, S("12345"), 6, 0, S("can't happen"));
662 test(S("abcde"), 6, S("1234567890"), 0, 0, S("can't happen"));
663 test(S("abcde"), 6, S("1234567890"), 0, 1, S("can't happen"));
664 test(S("abcde"), 6, S("1234567890"), 0, 5, S("can't happen"));
665 test(S("abcde"), 6, S("1234567890"), 0, 9, S("can't happen"));
666 test(S("abcde"), 6, S("1234567890"), 0, 10, S("can't happen"));
667 test(S("abcde"), 6, S("1234567890"), 0, 11, S("can't happen"));
668 }
669
670 template <class S>
test11()671 void test11()
672 {
673 test(S("abcde"), 6, S("1234567890"), 1, 0, S("can't happen"));
674 test(S("abcde"), 6, S("1234567890"), 1, 1, S("can't happen"));
675 test(S("abcde"), 6, S("1234567890"), 1, 4, S("can't happen"));
676 test(S("abcde"), 6, S("1234567890"), 1, 8, S("can't happen"));
677 test(S("abcde"), 6, S("1234567890"), 1, 9, S("can't happen"));
678 test(S("abcde"), 6, S("1234567890"), 1, 10, S("can't happen"));
679 test(S("abcde"), 6, S("1234567890"), 5, 0, S("can't happen"));
680 test(S("abcde"), 6, S("1234567890"), 5, 1, S("can't happen"));
681 test(S("abcde"), 6, S("1234567890"), 5, 2, S("can't happen"));
682 test(S("abcde"), 6, S("1234567890"), 5, 4, S("can't happen"));
683 test(S("abcde"), 6, S("1234567890"), 5, 5, S("can't happen"));
684 test(S("abcde"), 6, S("1234567890"), 5, 6, S("can't happen"));
685 test(S("abcde"), 6, S("1234567890"), 9, 0, S("can't happen"));
686 test(S("abcde"), 6, S("1234567890"), 9, 1, S("can't happen"));
687 test(S("abcde"), 6, S("1234567890"), 9, 2, S("can't happen"));
688 test(S("abcde"), 6, S("1234567890"), 10, 0, S("can't happen"));
689 test(S("abcde"), 6, S("1234567890"), 10, 1, S("can't happen"));
690 test(S("abcde"), 6, S("1234567890"), 11, 0, S("can't happen"));
691 test(S("abcde"), 6, S("12345678901234567890"), 0, 0, S("can't happen"));
692 test(S("abcde"), 6, S("12345678901234567890"), 0, 1, S("can't happen"));
693 test(S("abcde"), 6, S("12345678901234567890"), 0, 10, S("can't happen"));
694 test(S("abcde"), 6, S("12345678901234567890"), 0, 19, S("can't happen"));
695 test(S("abcde"), 6, S("12345678901234567890"), 0, 20, S("can't happen"));
696 test(S("abcde"), 6, S("12345678901234567890"), 0, 21, S("can't happen"));
697 test(S("abcde"), 6, S("12345678901234567890"), 1, 0, S("can't happen"));
698 test(S("abcde"), 6, S("12345678901234567890"), 1, 1, S("can't happen"));
699 test(S("abcde"), 6, S("12345678901234567890"), 1, 9, S("can't happen"));
700 test(S("abcde"), 6, S("12345678901234567890"), 1, 18, S("can't happen"));
701 test(S("abcde"), 6, S("12345678901234567890"), 1, 19, S("can't happen"));
702 test(S("abcde"), 6, S("12345678901234567890"), 1, 20, S("can't happen"));
703 test(S("abcde"), 6, S("12345678901234567890"), 10, 0, S("can't happen"));
704 test(S("abcde"), 6, S("12345678901234567890"), 10, 1, S("can't happen"));
705 test(S("abcde"), 6, S("12345678901234567890"), 10, 5, S("can't happen"));
706 test(S("abcde"), 6, S("12345678901234567890"), 10, 9, S("can't happen"));
707 test(S("abcde"), 6, S("12345678901234567890"), 10, 10, S("can't happen"));
708 test(S("abcde"), 6, S("12345678901234567890"), 10, 11, S("can't happen"));
709 test(S("abcde"), 6, S("12345678901234567890"), 19, 0, S("can't happen"));
710 test(S("abcde"), 6, S("12345678901234567890"), 19, 1, S("can't happen"));
711 test(S("abcde"), 6, S("12345678901234567890"), 19, 2, S("can't happen"));
712 test(S("abcde"), 6, S("12345678901234567890"), 20, 0, S("can't happen"));
713 test(S("abcde"), 6, S("12345678901234567890"), 20, 1, S("can't happen"));
714 test(S("abcde"), 6, S("12345678901234567890"), 21, 0, S("can't happen"));
715 test(S("abcdefghij"), 0, S(""), 0, 0, S("abcdefghij"));
716 test(S("abcdefghij"), 0, S(""), 0, 1, S("abcdefghij"));
717 test(S("abcdefghij"), 0, S(""), 1, 0, S("can't happen"));
718 test(S("abcdefghij"), 0, S("12345"), 0, 0, S("abcdefghij"));
719 test(S("abcdefghij"), 0, S("12345"), 0, 1, S("1abcdefghij"));
720 test(S("abcdefghij"), 0, S("12345"), 0, 2, S("12abcdefghij"));
721 test(S("abcdefghij"), 0, S("12345"), 0, 4, S("1234abcdefghij"));
722 test(S("abcdefghij"), 0, S("12345"), 0, 5, S("12345abcdefghij"));
723 }
724
725 template <class S>
test12()726 void test12()
727 {
728 test(S("abcdefghij"), 0, S("12345"), 0, 6, S("12345abcdefghij"));
729 test(S("abcdefghij"), 0, S("12345"), 1, 0, S("abcdefghij"));
730 test(S("abcdefghij"), 0, S("12345"), 1, 1, S("2abcdefghij"));
731 test(S("abcdefghij"), 0, S("12345"), 1, 2, S("23abcdefghij"));
732 test(S("abcdefghij"), 0, S("12345"), 1, 3, S("234abcdefghij"));
733 test(S("abcdefghij"), 0, S("12345"), 1, 4, S("2345abcdefghij"));
734 test(S("abcdefghij"), 0, S("12345"), 1, 5, S("2345abcdefghij"));
735 test(S("abcdefghij"), 0, S("12345"), 2, 0, S("abcdefghij"));
736 test(S("abcdefghij"), 0, S("12345"), 2, 1, S("3abcdefghij"));
737 test(S("abcdefghij"), 0, S("12345"), 2, 2, S("34abcdefghij"));
738 test(S("abcdefghij"), 0, S("12345"), 2, 3, S("345abcdefghij"));
739 test(S("abcdefghij"), 0, S("12345"), 2, 4, S("345abcdefghij"));
740 test(S("abcdefghij"), 0, S("12345"), 4, 0, S("abcdefghij"));
741 test(S("abcdefghij"), 0, S("12345"), 4, 1, S("5abcdefghij"));
742 test(S("abcdefghij"), 0, S("12345"), 4, 2, S("5abcdefghij"));
743 test(S("abcdefghij"), 0, S("12345"), 5, 0, S("abcdefghij"));
744 test(S("abcdefghij"), 0, S("12345"), 5, 1, S("abcdefghij"));
745 test(S("abcdefghij"), 0, S("12345"), 6, 0, S("can't happen"));
746 test(S("abcdefghij"), 0, S("1234567890"), 0, 0, S("abcdefghij"));
747 test(S("abcdefghij"), 0, S("1234567890"), 0, 1, S("1abcdefghij"));
748 test(S("abcdefghij"), 0, S("1234567890"), 0, 5, S("12345abcdefghij"));
749 test(S("abcdefghij"), 0, S("1234567890"), 0, 9, S("123456789abcdefghij"));
750 test(S("abcdefghij"), 0, S("1234567890"), 0, 10, S("1234567890abcdefghij"));
751 test(S("abcdefghij"), 0, S("1234567890"), 0, 11, S("1234567890abcdefghij"));
752 test(S("abcdefghij"), 0, S("1234567890"), 1, 0, S("abcdefghij"));
753 test(S("abcdefghij"), 0, S("1234567890"), 1, 1, S("2abcdefghij"));
754 test(S("abcdefghij"), 0, S("1234567890"), 1, 4, S("2345abcdefghij"));
755 test(S("abcdefghij"), 0, S("1234567890"), 1, 8, S("23456789abcdefghij"));
756 test(S("abcdefghij"), 0, S("1234567890"), 1, 9, S("234567890abcdefghij"));
757 test(S("abcdefghij"), 0, S("1234567890"), 1, 10, S("234567890abcdefghij"));
758 test(S("abcdefghij"), 0, S("1234567890"), 5, 0, S("abcdefghij"));
759 test(S("abcdefghij"), 0, S("1234567890"), 5, 1, S("6abcdefghij"));
760 test(S("abcdefghij"), 0, S("1234567890"), 5, 2, S("67abcdefghij"));
761 test(S("abcdefghij"), 0, S("1234567890"), 5, 4, S("6789abcdefghij"));
762 test(S("abcdefghij"), 0, S("1234567890"), 5, 5, S("67890abcdefghij"));
763 test(S("abcdefghij"), 0, S("1234567890"), 5, 6, S("67890abcdefghij"));
764 test(S("abcdefghij"), 0, S("1234567890"), 9, 0, S("abcdefghij"));
765 test(S("abcdefghij"), 0, S("1234567890"), 9, 1, S("0abcdefghij"));
766 test(S("abcdefghij"), 0, S("1234567890"), 9, 2, S("0abcdefghij"));
767 test(S("abcdefghij"), 0, S("1234567890"), 10, 0, S("abcdefghij"));
768 test(S("abcdefghij"), 0, S("1234567890"), 10, 1, S("abcdefghij"));
769 test(S("abcdefghij"), 0, S("1234567890"), 11, 0, S("can't happen"));
770 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 0, S("abcdefghij"));
771 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 1, S("1abcdefghij"));
772 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 10, S("1234567890abcdefghij"));
773 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789abcdefghij"));
774 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890abcdefghij"));
775 test(S("abcdefghij"), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890abcdefghij"));
776 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 0, S("abcdefghij"));
777 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 1, S("2abcdefghij"));
778 }
779
780 template <class S>
test13()781 void test13()
782 {
783 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 9, S("234567890abcdefghij"));
784 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 18, S("234567890123456789abcdefghij"));
785 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890abcdefghij"));
786 test(S("abcdefghij"), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890abcdefghij"));
787 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 0, S("abcdefghij"));
788 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 1, S("1abcdefghij"));
789 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 5, S("12345abcdefghij"));
790 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 9, S("123456789abcdefghij"));
791 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 10, S("1234567890abcdefghij"));
792 test(S("abcdefghij"), 0, S("12345678901234567890"), 10, 11, S("1234567890abcdefghij"));
793 test(S("abcdefghij"), 0, S("12345678901234567890"), 19, 0, S("abcdefghij"));
794 test(S("abcdefghij"), 0, S("12345678901234567890"), 19, 1, S("0abcdefghij"));
795 test(S("abcdefghij"), 0, S("12345678901234567890"), 19, 2, S("0abcdefghij"));
796 test(S("abcdefghij"), 0, S("12345678901234567890"), 20, 0, S("abcdefghij"));
797 test(S("abcdefghij"), 0, S("12345678901234567890"), 20, 1, S("abcdefghij"));
798 test(S("abcdefghij"), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
799 test(S("abcdefghij"), 1, S(""), 0, 0, S("abcdefghij"));
800 test(S("abcdefghij"), 1, S(""), 0, 1, S("abcdefghij"));
801 test(S("abcdefghij"), 1, S(""), 1, 0, S("can't happen"));
802 test(S("abcdefghij"), 1, S("12345"), 0, 0, S("abcdefghij"));
803 test(S("abcdefghij"), 1, S("12345"), 0, 1, S("a1bcdefghij"));
804 test(S("abcdefghij"), 1, S("12345"), 0, 2, S("a12bcdefghij"));
805 test(S("abcdefghij"), 1, S("12345"), 0, 4, S("a1234bcdefghij"));
806 test(S("abcdefghij"), 1, S("12345"), 0, 5, S("a12345bcdefghij"));
807 test(S("abcdefghij"), 1, S("12345"), 0, 6, S("a12345bcdefghij"));
808 test(S("abcdefghij"), 1, S("12345"), 1, 0, S("abcdefghij"));
809 test(S("abcdefghij"), 1, S("12345"), 1, 1, S("a2bcdefghij"));
810 test(S("abcdefghij"), 1, S("12345"), 1, 2, S("a23bcdefghij"));
811 test(S("abcdefghij"), 1, S("12345"), 1, 3, S("a234bcdefghij"));
812 test(S("abcdefghij"), 1, S("12345"), 1, 4, S("a2345bcdefghij"));
813 test(S("abcdefghij"), 1, S("12345"), 1, 5, S("a2345bcdefghij"));
814 test(S("abcdefghij"), 1, S("12345"), 2, 0, S("abcdefghij"));
815 test(S("abcdefghij"), 1, S("12345"), 2, 1, S("a3bcdefghij"));
816 test(S("abcdefghij"), 1, S("12345"), 2, 2, S("a34bcdefghij"));
817 test(S("abcdefghij"), 1, S("12345"), 2, 3, S("a345bcdefghij"));
818 test(S("abcdefghij"), 1, S("12345"), 2, 4, S("a345bcdefghij"));
819 test(S("abcdefghij"), 1, S("12345"), 4, 0, S("abcdefghij"));
820 test(S("abcdefghij"), 1, S("12345"), 4, 1, S("a5bcdefghij"));
821 test(S("abcdefghij"), 1, S("12345"), 4, 2, S("a5bcdefghij"));
822 test(S("abcdefghij"), 1, S("12345"), 5, 0, S("abcdefghij"));
823 test(S("abcdefghij"), 1, S("12345"), 5, 1, S("abcdefghij"));
824 test(S("abcdefghij"), 1, S("12345"), 6, 0, S("can't happen"));
825 test(S("abcdefghij"), 1, S("1234567890"), 0, 0, S("abcdefghij"));
826 test(S("abcdefghij"), 1, S("1234567890"), 0, 1, S("a1bcdefghij"));
827 test(S("abcdefghij"), 1, S("1234567890"), 0, 5, S("a12345bcdefghij"));
828 test(S("abcdefghij"), 1, S("1234567890"), 0, 9, S("a123456789bcdefghij"));
829 test(S("abcdefghij"), 1, S("1234567890"), 0, 10, S("a1234567890bcdefghij"));
830 test(S("abcdefghij"), 1, S("1234567890"), 0, 11, S("a1234567890bcdefghij"));
831 test(S("abcdefghij"), 1, S("1234567890"), 1, 0, S("abcdefghij"));
832 test(S("abcdefghij"), 1, S("1234567890"), 1, 1, S("a2bcdefghij"));
833 }
834
835 template <class S>
test14()836 void test14()
837 {
838 test(S("abcdefghij"), 1, S("1234567890"), 1, 4, S("a2345bcdefghij"));
839 test(S("abcdefghij"), 1, S("1234567890"), 1, 8, S("a23456789bcdefghij"));
840 test(S("abcdefghij"), 1, S("1234567890"), 1, 9, S("a234567890bcdefghij"));
841 test(S("abcdefghij"), 1, S("1234567890"), 1, 10, S("a234567890bcdefghij"));
842 test(S("abcdefghij"), 1, S("1234567890"), 5, 0, S("abcdefghij"));
843 test(S("abcdefghij"), 1, S("1234567890"), 5, 1, S("a6bcdefghij"));
844 test(S("abcdefghij"), 1, S("1234567890"), 5, 2, S("a67bcdefghij"));
845 test(S("abcdefghij"), 1, S("1234567890"), 5, 4, S("a6789bcdefghij"));
846 test(S("abcdefghij"), 1, S("1234567890"), 5, 5, S("a67890bcdefghij"));
847 test(S("abcdefghij"), 1, S("1234567890"), 5, 6, S("a67890bcdefghij"));
848 test(S("abcdefghij"), 1, S("1234567890"), 9, 0, S("abcdefghij"));
849 test(S("abcdefghij"), 1, S("1234567890"), 9, 1, S("a0bcdefghij"));
850 test(S("abcdefghij"), 1, S("1234567890"), 9, 2, S("a0bcdefghij"));
851 test(S("abcdefghij"), 1, S("1234567890"), 10, 0, S("abcdefghij"));
852 test(S("abcdefghij"), 1, S("1234567890"), 10, 1, S("abcdefghij"));
853 test(S("abcdefghij"), 1, S("1234567890"), 11, 0, S("can't happen"));
854 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 0, S("abcdefghij"));
855 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 1, S("a1bcdefghij"));
856 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 10, S("a1234567890bcdefghij"));
857 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 19, S("a1234567890123456789bcdefghij"));
858 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 20, S("a12345678901234567890bcdefghij"));
859 test(S("abcdefghij"), 1, S("12345678901234567890"), 0, 21, S("a12345678901234567890bcdefghij"));
860 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 0, S("abcdefghij"));
861 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 1, S("a2bcdefghij"));
862 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 9, S("a234567890bcdefghij"));
863 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 18, S("a234567890123456789bcdefghij"));
864 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 19, S("a2345678901234567890bcdefghij"));
865 test(S("abcdefghij"), 1, S("12345678901234567890"), 1, 20, S("a2345678901234567890bcdefghij"));
866 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 0, S("abcdefghij"));
867 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 1, S("a1bcdefghij"));
868 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 5, S("a12345bcdefghij"));
869 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 9, S("a123456789bcdefghij"));
870 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 10, S("a1234567890bcdefghij"));
871 test(S("abcdefghij"), 1, S("12345678901234567890"), 10, 11, S("a1234567890bcdefghij"));
872 test(S("abcdefghij"), 1, S("12345678901234567890"), 19, 0, S("abcdefghij"));
873 test(S("abcdefghij"), 1, S("12345678901234567890"), 19, 1, S("a0bcdefghij"));
874 test(S("abcdefghij"), 1, S("12345678901234567890"), 19, 2, S("a0bcdefghij"));
875 test(S("abcdefghij"), 1, S("12345678901234567890"), 20, 0, S("abcdefghij"));
876 test(S("abcdefghij"), 1, S("12345678901234567890"), 20, 1, S("abcdefghij"));
877 test(S("abcdefghij"), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
878 test(S("abcdefghij"), 5, S(""), 0, 0, S("abcdefghij"));
879 test(S("abcdefghij"), 5, S(""), 0, 1, S("abcdefghij"));
880 test(S("abcdefghij"), 5, S(""), 1, 0, S("can't happen"));
881 test(S("abcdefghij"), 5, S("12345"), 0, 0, S("abcdefghij"));
882 test(S("abcdefghij"), 5, S("12345"), 0, 1, S("abcde1fghij"));
883 test(S("abcdefghij"), 5, S("12345"), 0, 2, S("abcde12fghij"));
884 test(S("abcdefghij"), 5, S("12345"), 0, 4, S("abcde1234fghij"));
885 test(S("abcdefghij"), 5, S("12345"), 0, 5, S("abcde12345fghij"));
886 test(S("abcdefghij"), 5, S("12345"), 0, 6, S("abcde12345fghij"));
887 test(S("abcdefghij"), 5, S("12345"), 1, 0, S("abcdefghij"));
888 }
889
890 template <class S>
test15()891 void test15()
892 {
893 test(S("abcdefghij"), 5, S("12345"), 1, 1, S("abcde2fghij"));
894 test(S("abcdefghij"), 5, S("12345"), 1, 2, S("abcde23fghij"));
895 test(S("abcdefghij"), 5, S("12345"), 1, 3, S("abcde234fghij"));
896 test(S("abcdefghij"), 5, S("12345"), 1, 4, S("abcde2345fghij"));
897 test(S("abcdefghij"), 5, S("12345"), 1, 5, S("abcde2345fghij"));
898 test(S("abcdefghij"), 5, S("12345"), 2, 0, S("abcdefghij"));
899 test(S("abcdefghij"), 5, S("12345"), 2, 1, S("abcde3fghij"));
900 test(S("abcdefghij"), 5, S("12345"), 2, 2, S("abcde34fghij"));
901 test(S("abcdefghij"), 5, S("12345"), 2, 3, S("abcde345fghij"));
902 test(S("abcdefghij"), 5, S("12345"), 2, 4, S("abcde345fghij"));
903 test(S("abcdefghij"), 5, S("12345"), 4, 0, S("abcdefghij"));
904 test(S("abcdefghij"), 5, S("12345"), 4, 1, S("abcde5fghij"));
905 test(S("abcdefghij"), 5, S("12345"), 4, 2, S("abcde5fghij"));
906 test(S("abcdefghij"), 5, S("12345"), 5, 0, S("abcdefghij"));
907 test(S("abcdefghij"), 5, S("12345"), 5, 1, S("abcdefghij"));
908 test(S("abcdefghij"), 5, S("12345"), 6, 0, S("can't happen"));
909 test(S("abcdefghij"), 5, S("1234567890"), 0, 0, S("abcdefghij"));
910 test(S("abcdefghij"), 5, S("1234567890"), 0, 1, S("abcde1fghij"));
911 test(S("abcdefghij"), 5, S("1234567890"), 0, 5, S("abcde12345fghij"));
912 test(S("abcdefghij"), 5, S("1234567890"), 0, 9, S("abcde123456789fghij"));
913 test(S("abcdefghij"), 5, S("1234567890"), 0, 10, S("abcde1234567890fghij"));
914 test(S("abcdefghij"), 5, S("1234567890"), 0, 11, S("abcde1234567890fghij"));
915 test(S("abcdefghij"), 5, S("1234567890"), 1, 0, S("abcdefghij"));
916 test(S("abcdefghij"), 5, S("1234567890"), 1, 1, S("abcde2fghij"));
917 test(S("abcdefghij"), 5, S("1234567890"), 1, 4, S("abcde2345fghij"));
918 test(S("abcdefghij"), 5, S("1234567890"), 1, 8, S("abcde23456789fghij"));
919 test(S("abcdefghij"), 5, S("1234567890"), 1, 9, S("abcde234567890fghij"));
920 test(S("abcdefghij"), 5, S("1234567890"), 1, 10, S("abcde234567890fghij"));
921 test(S("abcdefghij"), 5, S("1234567890"), 5, 0, S("abcdefghij"));
922 test(S("abcdefghij"), 5, S("1234567890"), 5, 1, S("abcde6fghij"));
923 test(S("abcdefghij"), 5, S("1234567890"), 5, 2, S("abcde67fghij"));
924 test(S("abcdefghij"), 5, S("1234567890"), 5, 4, S("abcde6789fghij"));
925 test(S("abcdefghij"), 5, S("1234567890"), 5, 5, S("abcde67890fghij"));
926 test(S("abcdefghij"), 5, S("1234567890"), 5, 6, S("abcde67890fghij"));
927 test(S("abcdefghij"), 5, S("1234567890"), 9, 0, S("abcdefghij"));
928 test(S("abcdefghij"), 5, S("1234567890"), 9, 1, S("abcde0fghij"));
929 test(S("abcdefghij"), 5, S("1234567890"), 9, 2, S("abcde0fghij"));
930 test(S("abcdefghij"), 5, S("1234567890"), 10, 0, S("abcdefghij"));
931 test(S("abcdefghij"), 5, S("1234567890"), 10, 1, S("abcdefghij"));
932 test(S("abcdefghij"), 5, S("1234567890"), 11, 0, S("can't happen"));
933 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 0, S("abcdefghij"));
934 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 1, S("abcde1fghij"));
935 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 10, S("abcde1234567890fghij"));
936 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 19, S("abcde1234567890123456789fghij"));
937 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 20, S("abcde12345678901234567890fghij"));
938 test(S("abcdefghij"), 5, S("12345678901234567890"), 0, 21, S("abcde12345678901234567890fghij"));
939 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 0, S("abcdefghij"));
940 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 1, S("abcde2fghij"));
941 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 9, S("abcde234567890fghij"));
942 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 18, S("abcde234567890123456789fghij"));
943 }
944
945 template <class S>
test16()946 void test16()
947 {
948 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 19, S("abcde2345678901234567890fghij"));
949 test(S("abcdefghij"), 5, S("12345678901234567890"), 1, 20, S("abcde2345678901234567890fghij"));
950 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 0, S("abcdefghij"));
951 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 1, S("abcde1fghij"));
952 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 5, S("abcde12345fghij"));
953 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 9, S("abcde123456789fghij"));
954 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 10, S("abcde1234567890fghij"));
955 test(S("abcdefghij"), 5, S("12345678901234567890"), 10, 11, S("abcde1234567890fghij"));
956 test(S("abcdefghij"), 5, S("12345678901234567890"), 19, 0, S("abcdefghij"));
957 test(S("abcdefghij"), 5, S("12345678901234567890"), 19, 1, S("abcde0fghij"));
958 test(S("abcdefghij"), 5, S("12345678901234567890"), 19, 2, S("abcde0fghij"));
959 test(S("abcdefghij"), 5, S("12345678901234567890"), 20, 0, S("abcdefghij"));
960 test(S("abcdefghij"), 5, S("12345678901234567890"), 20, 1, S("abcdefghij"));
961 test(S("abcdefghij"), 5, S("12345678901234567890"), 21, 0, S("can't happen"));
962 test(S("abcdefghij"), 9, S(""), 0, 0, S("abcdefghij"));
963 test(S("abcdefghij"), 9, S(""), 0, 1, S("abcdefghij"));
964 test(S("abcdefghij"), 9, S(""), 1, 0, S("can't happen"));
965 test(S("abcdefghij"), 9, S("12345"), 0, 0, S("abcdefghij"));
966 test(S("abcdefghij"), 9, S("12345"), 0, 1, S("abcdefghi1j"));
967 test(S("abcdefghij"), 9, S("12345"), 0, 2, S("abcdefghi12j"));
968 test(S("abcdefghij"), 9, S("12345"), 0, 4, S("abcdefghi1234j"));
969 test(S("abcdefghij"), 9, S("12345"), 0, 5, S("abcdefghi12345j"));
970 test(S("abcdefghij"), 9, S("12345"), 0, 6, S("abcdefghi12345j"));
971 test(S("abcdefghij"), 9, S("12345"), 1, 0, S("abcdefghij"));
972 test(S("abcdefghij"), 9, S("12345"), 1, 1, S("abcdefghi2j"));
973 test(S("abcdefghij"), 9, S("12345"), 1, 2, S("abcdefghi23j"));
974 test(S("abcdefghij"), 9, S("12345"), 1, 3, S("abcdefghi234j"));
975 test(S("abcdefghij"), 9, S("12345"), 1, 4, S("abcdefghi2345j"));
976 test(S("abcdefghij"), 9, S("12345"), 1, 5, S("abcdefghi2345j"));
977 test(S("abcdefghij"), 9, S("12345"), 2, 0, S("abcdefghij"));
978 test(S("abcdefghij"), 9, S("12345"), 2, 1, S("abcdefghi3j"));
979 test(S("abcdefghij"), 9, S("12345"), 2, 2, S("abcdefghi34j"));
980 test(S("abcdefghij"), 9, S("12345"), 2, 3, S("abcdefghi345j"));
981 test(S("abcdefghij"), 9, S("12345"), 2, 4, S("abcdefghi345j"));
982 test(S("abcdefghij"), 9, S("12345"), 4, 0, S("abcdefghij"));
983 test(S("abcdefghij"), 9, S("12345"), 4, 1, S("abcdefghi5j"));
984 test(S("abcdefghij"), 9, S("12345"), 4, 2, S("abcdefghi5j"));
985 test(S("abcdefghij"), 9, S("12345"), 5, 0, S("abcdefghij"));
986 test(S("abcdefghij"), 9, S("12345"), 5, 1, S("abcdefghij"));
987 test(S("abcdefghij"), 9, S("12345"), 6, 0, S("can't happen"));
988 test(S("abcdefghij"), 9, S("1234567890"), 0, 0, S("abcdefghij"));
989 test(S("abcdefghij"), 9, S("1234567890"), 0, 1, S("abcdefghi1j"));
990 test(S("abcdefghij"), 9, S("1234567890"), 0, 5, S("abcdefghi12345j"));
991 test(S("abcdefghij"), 9, S("1234567890"), 0, 9, S("abcdefghi123456789j"));
992 test(S("abcdefghij"), 9, S("1234567890"), 0, 10, S("abcdefghi1234567890j"));
993 test(S("abcdefghij"), 9, S("1234567890"), 0, 11, S("abcdefghi1234567890j"));
994 test(S("abcdefghij"), 9, S("1234567890"), 1, 0, S("abcdefghij"));
995 test(S("abcdefghij"), 9, S("1234567890"), 1, 1, S("abcdefghi2j"));
996 test(S("abcdefghij"), 9, S("1234567890"), 1, 4, S("abcdefghi2345j"));
997 test(S("abcdefghij"), 9, S("1234567890"), 1, 8, S("abcdefghi23456789j"));
998 }
999
1000 template <class S>
test17()1001 void test17()
1002 {
1003 test(S("abcdefghij"), 9, S("1234567890"), 1, 9, S("abcdefghi234567890j"));
1004 test(S("abcdefghij"), 9, S("1234567890"), 1, 10, S("abcdefghi234567890j"));
1005 test(S("abcdefghij"), 9, S("1234567890"), 5, 0, S("abcdefghij"));
1006 test(S("abcdefghij"), 9, S("1234567890"), 5, 1, S("abcdefghi6j"));
1007 test(S("abcdefghij"), 9, S("1234567890"), 5, 2, S("abcdefghi67j"));
1008 test(S("abcdefghij"), 9, S("1234567890"), 5, 4, S("abcdefghi6789j"));
1009 test(S("abcdefghij"), 9, S("1234567890"), 5, 5, S("abcdefghi67890j"));
1010 test(S("abcdefghij"), 9, S("1234567890"), 5, 6, S("abcdefghi67890j"));
1011 test(S("abcdefghij"), 9, S("1234567890"), 9, 0, S("abcdefghij"));
1012 test(S("abcdefghij"), 9, S("1234567890"), 9, 1, S("abcdefghi0j"));
1013 test(S("abcdefghij"), 9, S("1234567890"), 9, 2, S("abcdefghi0j"));
1014 test(S("abcdefghij"), 9, S("1234567890"), 10, 0, S("abcdefghij"));
1015 test(S("abcdefghij"), 9, S("1234567890"), 10, 1, S("abcdefghij"));
1016 test(S("abcdefghij"), 9, S("1234567890"), 11, 0, S("can't happen"));
1017 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 0, S("abcdefghij"));
1018 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 1, S("abcdefghi1j"));
1019 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 10, S("abcdefghi1234567890j"));
1020 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 19, S("abcdefghi1234567890123456789j"));
1021 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 20, S("abcdefghi12345678901234567890j"));
1022 test(S("abcdefghij"), 9, S("12345678901234567890"), 0, 21, S("abcdefghi12345678901234567890j"));
1023 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 0, S("abcdefghij"));
1024 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 1, S("abcdefghi2j"));
1025 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 9, S("abcdefghi234567890j"));
1026 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 18, S("abcdefghi234567890123456789j"));
1027 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 19, S("abcdefghi2345678901234567890j"));
1028 test(S("abcdefghij"), 9, S("12345678901234567890"), 1, 20, S("abcdefghi2345678901234567890j"));
1029 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 0, S("abcdefghij"));
1030 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 1, S("abcdefghi1j"));
1031 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 5, S("abcdefghi12345j"));
1032 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 9, S("abcdefghi123456789j"));
1033 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 10, S("abcdefghi1234567890j"));
1034 test(S("abcdefghij"), 9, S("12345678901234567890"), 10, 11, S("abcdefghi1234567890j"));
1035 test(S("abcdefghij"), 9, S("12345678901234567890"), 19, 0, S("abcdefghij"));
1036 test(S("abcdefghij"), 9, S("12345678901234567890"), 19, 1, S("abcdefghi0j"));
1037 test(S("abcdefghij"), 9, S("12345678901234567890"), 19, 2, S("abcdefghi0j"));
1038 test(S("abcdefghij"), 9, S("12345678901234567890"), 20, 0, S("abcdefghij"));
1039 test(S("abcdefghij"), 9, S("12345678901234567890"), 20, 1, S("abcdefghij"));
1040 test(S("abcdefghij"), 9, S("12345678901234567890"), 21, 0, S("can't happen"));
1041 test(S("abcdefghij"), 10, S(""), 0, 0, S("abcdefghij"));
1042 test(S("abcdefghij"), 10, S(""), 0, 1, S("abcdefghij"));
1043 test(S("abcdefghij"), 10, S(""), 1, 0, S("can't happen"));
1044 test(S("abcdefghij"), 10, S("12345"), 0, 0, S("abcdefghij"));
1045 test(S("abcdefghij"), 10, S("12345"), 0, 1, S("abcdefghij1"));
1046 test(S("abcdefghij"), 10, S("12345"), 0, 2, S("abcdefghij12"));
1047 test(S("abcdefghij"), 10, S("12345"), 0, 4, S("abcdefghij1234"));
1048 test(S("abcdefghij"), 10, S("12345"), 0, 5, S("abcdefghij12345"));
1049 test(S("abcdefghij"), 10, S("12345"), 0, 6, S("abcdefghij12345"));
1050 test(S("abcdefghij"), 10, S("12345"), 1, 0, S("abcdefghij"));
1051 test(S("abcdefghij"), 10, S("12345"), 1, 1, S("abcdefghij2"));
1052 test(S("abcdefghij"), 10, S("12345"), 1, 2, S("abcdefghij23"));
1053 }
1054
1055 template <class S>
test18()1056 void test18()
1057 {
1058 test(S("abcdefghij"), 10, S("12345"), 1, 3, S("abcdefghij234"));
1059 test(S("abcdefghij"), 10, S("12345"), 1, 4, S("abcdefghij2345"));
1060 test(S("abcdefghij"), 10, S("12345"), 1, 5, S("abcdefghij2345"));
1061 test(S("abcdefghij"), 10, S("12345"), 2, 0, S("abcdefghij"));
1062 test(S("abcdefghij"), 10, S("12345"), 2, 1, S("abcdefghij3"));
1063 test(S("abcdefghij"), 10, S("12345"), 2, 2, S("abcdefghij34"));
1064 test(S("abcdefghij"), 10, S("12345"), 2, 3, S("abcdefghij345"));
1065 test(S("abcdefghij"), 10, S("12345"), 2, 4, S("abcdefghij345"));
1066 test(S("abcdefghij"), 10, S("12345"), 4, 0, S("abcdefghij"));
1067 test(S("abcdefghij"), 10, S("12345"), 4, 1, S("abcdefghij5"));
1068 test(S("abcdefghij"), 10, S("12345"), 4, 2, S("abcdefghij5"));
1069 test(S("abcdefghij"), 10, S("12345"), 5, 0, S("abcdefghij"));
1070 test(S("abcdefghij"), 10, S("12345"), 5, 1, S("abcdefghij"));
1071 test(S("abcdefghij"), 10, S("12345"), 6, 0, S("can't happen"));
1072 test(S("abcdefghij"), 10, S("1234567890"), 0, 0, S("abcdefghij"));
1073 test(S("abcdefghij"), 10, S("1234567890"), 0, 1, S("abcdefghij1"));
1074 test(S("abcdefghij"), 10, S("1234567890"), 0, 5, S("abcdefghij12345"));
1075 test(S("abcdefghij"), 10, S("1234567890"), 0, 9, S("abcdefghij123456789"));
1076 test(S("abcdefghij"), 10, S("1234567890"), 0, 10, S("abcdefghij1234567890"));
1077 test(S("abcdefghij"), 10, S("1234567890"), 0, 11, S("abcdefghij1234567890"));
1078 test(S("abcdefghij"), 10, S("1234567890"), 1, 0, S("abcdefghij"));
1079 test(S("abcdefghij"), 10, S("1234567890"), 1, 1, S("abcdefghij2"));
1080 test(S("abcdefghij"), 10, S("1234567890"), 1, 4, S("abcdefghij2345"));
1081 test(S("abcdefghij"), 10, S("1234567890"), 1, 8, S("abcdefghij23456789"));
1082 test(S("abcdefghij"), 10, S("1234567890"), 1, 9, S("abcdefghij234567890"));
1083 test(S("abcdefghij"), 10, S("1234567890"), 1, 10, S("abcdefghij234567890"));
1084 test(S("abcdefghij"), 10, S("1234567890"), 5, 0, S("abcdefghij"));
1085 test(S("abcdefghij"), 10, S("1234567890"), 5, 1, S("abcdefghij6"));
1086 test(S("abcdefghij"), 10, S("1234567890"), 5, 2, S("abcdefghij67"));
1087 test(S("abcdefghij"), 10, S("1234567890"), 5, 4, S("abcdefghij6789"));
1088 test(S("abcdefghij"), 10, S("1234567890"), 5, 5, S("abcdefghij67890"));
1089 test(S("abcdefghij"), 10, S("1234567890"), 5, 6, S("abcdefghij67890"));
1090 test(S("abcdefghij"), 10, S("1234567890"), 9, 0, S("abcdefghij"));
1091 test(S("abcdefghij"), 10, S("1234567890"), 9, 1, S("abcdefghij0"));
1092 test(S("abcdefghij"), 10, S("1234567890"), 9, 2, S("abcdefghij0"));
1093 test(S("abcdefghij"), 10, S("1234567890"), 10, 0, S("abcdefghij"));
1094 test(S("abcdefghij"), 10, S("1234567890"), 10, 1, S("abcdefghij"));
1095 test(S("abcdefghij"), 10, S("1234567890"), 11, 0, S("can't happen"));
1096 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 0, S("abcdefghij"));
1097 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 1, S("abcdefghij1"));
1098 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 10, S("abcdefghij1234567890"));
1099 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 19, S("abcdefghij1234567890123456789"));
1100 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 20, S("abcdefghij12345678901234567890"));
1101 test(S("abcdefghij"), 10, S("12345678901234567890"), 0, 21, S("abcdefghij12345678901234567890"));
1102 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 0, S("abcdefghij"));
1103 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 1, S("abcdefghij2"));
1104 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 9, S("abcdefghij234567890"));
1105 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 18, S("abcdefghij234567890123456789"));
1106 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 19, S("abcdefghij2345678901234567890"));
1107 test(S("abcdefghij"), 10, S("12345678901234567890"), 1, 20, S("abcdefghij2345678901234567890"));
1108 }
1109
1110 template <class S>
test19()1111 void test19()
1112 {
1113 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 0, S("abcdefghij"));
1114 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 1, S("abcdefghij1"));
1115 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 5, S("abcdefghij12345"));
1116 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 9, S("abcdefghij123456789"));
1117 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 10, S("abcdefghij1234567890"));
1118 test(S("abcdefghij"), 10, S("12345678901234567890"), 10, 11, S("abcdefghij1234567890"));
1119 test(S("abcdefghij"), 10, S("12345678901234567890"), 19, 0, S("abcdefghij"));
1120 test(S("abcdefghij"), 10, S("12345678901234567890"), 19, 1, S("abcdefghij0"));
1121 test(S("abcdefghij"), 10, S("12345678901234567890"), 19, 2, S("abcdefghij0"));
1122 test(S("abcdefghij"), 10, S("12345678901234567890"), 20, 0, S("abcdefghij"));
1123 test(S("abcdefghij"), 10, S("12345678901234567890"), 20, 1, S("abcdefghij"));
1124 test(S("abcdefghij"), 10, S("12345678901234567890"), 21, 0, S("can't happen"));
1125 test(S("abcdefghij"), 11, S(""), 0, 0, S("can't happen"));
1126 test(S("abcdefghij"), 11, S(""), 0, 1, S("can't happen"));
1127 test(S("abcdefghij"), 11, S(""), 1, 0, S("can't happen"));
1128 test(S("abcdefghij"), 11, S("12345"), 0, 0, S("can't happen"));
1129 test(S("abcdefghij"), 11, S("12345"), 0, 1, S("can't happen"));
1130 test(S("abcdefghij"), 11, S("12345"), 0, 2, S("can't happen"));
1131 test(S("abcdefghij"), 11, S("12345"), 0, 4, S("can't happen"));
1132 test(S("abcdefghij"), 11, S("12345"), 0, 5, S("can't happen"));
1133 test(S("abcdefghij"), 11, S("12345"), 0, 6, S("can't happen"));
1134 test(S("abcdefghij"), 11, S("12345"), 1, 0, S("can't happen"));
1135 test(S("abcdefghij"), 11, S("12345"), 1, 1, S("can't happen"));
1136 test(S("abcdefghij"), 11, S("12345"), 1, 2, S("can't happen"));
1137 test(S("abcdefghij"), 11, S("12345"), 1, 3, S("can't happen"));
1138 test(S("abcdefghij"), 11, S("12345"), 1, 4, S("can't happen"));
1139 test(S("abcdefghij"), 11, S("12345"), 1, 5, S("can't happen"));
1140 test(S("abcdefghij"), 11, S("12345"), 2, 0, S("can't happen"));
1141 test(S("abcdefghij"), 11, S("12345"), 2, 1, S("can't happen"));
1142 test(S("abcdefghij"), 11, S("12345"), 2, 2, S("can't happen"));
1143 test(S("abcdefghij"), 11, S("12345"), 2, 3, S("can't happen"));
1144 test(S("abcdefghij"), 11, S("12345"), 2, 4, S("can't happen"));
1145 test(S("abcdefghij"), 11, S("12345"), 4, 0, S("can't happen"));
1146 test(S("abcdefghij"), 11, S("12345"), 4, 1, S("can't happen"));
1147 test(S("abcdefghij"), 11, S("12345"), 4, 2, S("can't happen"));
1148 test(S("abcdefghij"), 11, S("12345"), 5, 0, S("can't happen"));
1149 test(S("abcdefghij"), 11, S("12345"), 5, 1, S("can't happen"));
1150 test(S("abcdefghij"), 11, S("12345"), 6, 0, S("can't happen"));
1151 test(S("abcdefghij"), 11, S("1234567890"), 0, 0, S("can't happen"));
1152 test(S("abcdefghij"), 11, S("1234567890"), 0, 1, S("can't happen"));
1153 test(S("abcdefghij"), 11, S("1234567890"), 0, 5, S("can't happen"));
1154 test(S("abcdefghij"), 11, S("1234567890"), 0, 9, S("can't happen"));
1155 test(S("abcdefghij"), 11, S("1234567890"), 0, 10, S("can't happen"));
1156 test(S("abcdefghij"), 11, S("1234567890"), 0, 11, S("can't happen"));
1157 test(S("abcdefghij"), 11, S("1234567890"), 1, 0, S("can't happen"));
1158 test(S("abcdefghij"), 11, S("1234567890"), 1, 1, S("can't happen"));
1159 test(S("abcdefghij"), 11, S("1234567890"), 1, 4, S("can't happen"));
1160 test(S("abcdefghij"), 11, S("1234567890"), 1, 8, S("can't happen"));
1161 test(S("abcdefghij"), 11, S("1234567890"), 1, 9, S("can't happen"));
1162 test(S("abcdefghij"), 11, S("1234567890"), 1, 10, S("can't happen"));
1163 }
1164
1165 template <class S>
test20()1166 void test20()
1167 {
1168 test(S("abcdefghij"), 11, S("1234567890"), 5, 0, S("can't happen"));
1169 test(S("abcdefghij"), 11, S("1234567890"), 5, 1, S("can't happen"));
1170 test(S("abcdefghij"), 11, S("1234567890"), 5, 2, S("can't happen"));
1171 test(S("abcdefghij"), 11, S("1234567890"), 5, 4, S("can't happen"));
1172 test(S("abcdefghij"), 11, S("1234567890"), 5, 5, S("can't happen"));
1173 test(S("abcdefghij"), 11, S("1234567890"), 5, 6, S("can't happen"));
1174 test(S("abcdefghij"), 11, S("1234567890"), 9, 0, S("can't happen"));
1175 test(S("abcdefghij"), 11, S("1234567890"), 9, 1, S("can't happen"));
1176 test(S("abcdefghij"), 11, S("1234567890"), 9, 2, S("can't happen"));
1177 test(S("abcdefghij"), 11, S("1234567890"), 10, 0, S("can't happen"));
1178 test(S("abcdefghij"), 11, S("1234567890"), 10, 1, S("can't happen"));
1179 test(S("abcdefghij"), 11, S("1234567890"), 11, 0, S("can't happen"));
1180 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 0, S("can't happen"));
1181 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 1, S("can't happen"));
1182 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 10, S("can't happen"));
1183 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 19, S("can't happen"));
1184 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 20, S("can't happen"));
1185 test(S("abcdefghij"), 11, S("12345678901234567890"), 0, 21, S("can't happen"));
1186 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 0, S("can't happen"));
1187 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 1, S("can't happen"));
1188 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 9, S("can't happen"));
1189 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 18, S("can't happen"));
1190 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 19, S("can't happen"));
1191 test(S("abcdefghij"), 11, S("12345678901234567890"), 1, 20, S("can't happen"));
1192 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 0, S("can't happen"));
1193 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 1, S("can't happen"));
1194 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 5, S("can't happen"));
1195 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 9, S("can't happen"));
1196 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 10, S("can't happen"));
1197 test(S("abcdefghij"), 11, S("12345678901234567890"), 10, 11, S("can't happen"));
1198 test(S("abcdefghij"), 11, S("12345678901234567890"), 19, 0, S("can't happen"));
1199 test(S("abcdefghij"), 11, S("12345678901234567890"), 19, 1, S("can't happen"));
1200 test(S("abcdefghij"), 11, S("12345678901234567890"), 19, 2, S("can't happen"));
1201 test(S("abcdefghij"), 11, S("12345678901234567890"), 20, 0, S("can't happen"));
1202 test(S("abcdefghij"), 11, S("12345678901234567890"), 20, 1, S("can't happen"));
1203 test(S("abcdefghij"), 11, S("12345678901234567890"), 21, 0, S("can't happen"));
1204 test(S("abcdefghijklmnopqrst"), 0, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1205 test(S("abcdefghijklmnopqrst"), 0, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1206 test(S("abcdefghijklmnopqrst"), 0, S(""), 1, 0, S("can't happen"));
1207 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1208 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 1, S("1abcdefghijklmnopqrst"));
1209 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 2, S("12abcdefghijklmnopqrst"));
1210 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 4, S("1234abcdefghijklmnopqrst"));
1211 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 5, S("12345abcdefghijklmnopqrst"));
1212 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 0, 6, S("12345abcdefghijklmnopqrst"));
1213 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1214 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 1, S("2abcdefghijklmnopqrst"));
1215 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 2, S("23abcdefghijklmnopqrst"));
1216 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 3, S("234abcdefghijklmnopqrst"));
1217 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 4, S("2345abcdefghijklmnopqrst"));
1218 }
1219
1220 template <class S>
test21()1221 void test21()
1222 {
1223 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 1, 5, S("2345abcdefghijklmnopqrst"));
1224 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1225 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 1, S("3abcdefghijklmnopqrst"));
1226 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 2, S("34abcdefghijklmnopqrst"));
1227 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 3, S("345abcdefghijklmnopqrst"));
1228 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 2, 4, S("345abcdefghijklmnopqrst"));
1229 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1230 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 4, 1, S("5abcdefghijklmnopqrst"));
1231 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 4, 2, S("5abcdefghijklmnopqrst"));
1232 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1233 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1234 test(S("abcdefghijklmnopqrst"), 0, S("12345"), 6, 0, S("can't happen"));
1235 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1236 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 1, S("1abcdefghijklmnopqrst"));
1237 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 5, S("12345abcdefghijklmnopqrst"));
1238 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 9, S("123456789abcdefghijklmnopqrst"));
1239 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 10, S("1234567890abcdefghijklmnopqrst"));
1240 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 0, 11, S("1234567890abcdefghijklmnopqrst"));
1241 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1242 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 1, S("2abcdefghijklmnopqrst"));
1243 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 4, S("2345abcdefghijklmnopqrst"));
1244 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 8, S("23456789abcdefghijklmnopqrst"));
1245 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 9, S("234567890abcdefghijklmnopqrst"));
1246 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 1, 10, S("234567890abcdefghijklmnopqrst"));
1247 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1248 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 1, S("6abcdefghijklmnopqrst"));
1249 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 2, S("67abcdefghijklmnopqrst"));
1250 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 4, S("6789abcdefghijklmnopqrst"));
1251 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 5, S("67890abcdefghijklmnopqrst"));
1252 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 5, 6, S("67890abcdefghijklmnopqrst"));
1253 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1254 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 9, 1, S("0abcdefghijklmnopqrst"));
1255 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 9, 2, S("0abcdefghijklmnopqrst"));
1256 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1257 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1258 test(S("abcdefghijklmnopqrst"), 0, S("1234567890"), 11, 0, S("can't happen"));
1259 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1260 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 1, S("1abcdefghijklmnopqrst"));
1261 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 10, S("1234567890abcdefghijklmnopqrst"));
1262 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 19, S("1234567890123456789abcdefghijklmnopqrst"));
1263 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 20, S("12345678901234567890abcdefghijklmnopqrst"));
1264 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 0, 21, S("12345678901234567890abcdefghijklmnopqrst"));
1265 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1266 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 1, S("2abcdefghijklmnopqrst"));
1267 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 9, S("234567890abcdefghijklmnopqrst"));
1268 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 18, S("234567890123456789abcdefghijklmnopqrst"));
1269 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 19, S("2345678901234567890abcdefghijklmnopqrst"));
1270 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 1, 20, S("2345678901234567890abcdefghijklmnopqrst"));
1271 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1272 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 1, S("1abcdefghijklmnopqrst"));
1273 }
1274
1275 template <class S>
test22()1276 void test22()
1277 {
1278 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 5, S("12345abcdefghijklmnopqrst"));
1279 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 9, S("123456789abcdefghijklmnopqrst"));
1280 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 10, S("1234567890abcdefghijklmnopqrst"));
1281 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 10, 11, S("1234567890abcdefghijklmnopqrst"));
1282 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1283 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 19, 1, S("0abcdefghijklmnopqrst"));
1284 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 19, 2, S("0abcdefghijklmnopqrst"));
1285 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1286 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1287 test(S("abcdefghijklmnopqrst"), 0, S("12345678901234567890"), 21, 0, S("can't happen"));
1288 test(S("abcdefghijklmnopqrst"), 1, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1289 test(S("abcdefghijklmnopqrst"), 1, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1290 test(S("abcdefghijklmnopqrst"), 1, S(""), 1, 0, S("can't happen"));
1291 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1292 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 1, S("a1bcdefghijklmnopqrst"));
1293 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 2, S("a12bcdefghijklmnopqrst"));
1294 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 4, S("a1234bcdefghijklmnopqrst"));
1295 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 5, S("a12345bcdefghijklmnopqrst"));
1296 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 0, 6, S("a12345bcdefghijklmnopqrst"));
1297 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1298 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 1, S("a2bcdefghijklmnopqrst"));
1299 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 2, S("a23bcdefghijklmnopqrst"));
1300 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 3, S("a234bcdefghijklmnopqrst"));
1301 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 4, S("a2345bcdefghijklmnopqrst"));
1302 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 1, 5, S("a2345bcdefghijklmnopqrst"));
1303 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1304 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 1, S("a3bcdefghijklmnopqrst"));
1305 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 2, S("a34bcdefghijklmnopqrst"));
1306 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 3, S("a345bcdefghijklmnopqrst"));
1307 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 2, 4, S("a345bcdefghijklmnopqrst"));
1308 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1309 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 4, 1, S("a5bcdefghijklmnopqrst"));
1310 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 4, 2, S("a5bcdefghijklmnopqrst"));
1311 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1312 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1313 test(S("abcdefghijklmnopqrst"), 1, S("12345"), 6, 0, S("can't happen"));
1314 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1315 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 1, S("a1bcdefghijklmnopqrst"));
1316 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 5, S("a12345bcdefghijklmnopqrst"));
1317 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 9, S("a123456789bcdefghijklmnopqrst"));
1318 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 10, S("a1234567890bcdefghijklmnopqrst"));
1319 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 0, 11, S("a1234567890bcdefghijklmnopqrst"));
1320 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1321 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 1, S("a2bcdefghijklmnopqrst"));
1322 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 4, S("a2345bcdefghijklmnopqrst"));
1323 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 8, S("a23456789bcdefghijklmnopqrst"));
1324 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 9, S("a234567890bcdefghijklmnopqrst"));
1325 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 1, 10, S("a234567890bcdefghijklmnopqrst"));
1326 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1327 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 1, S("a6bcdefghijklmnopqrst"));
1328 }
1329
1330 template <class S>
test23()1331 void test23()
1332 {
1333 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 2, S("a67bcdefghijklmnopqrst"));
1334 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 4, S("a6789bcdefghijklmnopqrst"));
1335 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 5, S("a67890bcdefghijklmnopqrst"));
1336 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 5, 6, S("a67890bcdefghijklmnopqrst"));
1337 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1338 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 9, 1, S("a0bcdefghijklmnopqrst"));
1339 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 9, 2, S("a0bcdefghijklmnopqrst"));
1340 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1341 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1342 test(S("abcdefghijklmnopqrst"), 1, S("1234567890"), 11, 0, S("can't happen"));
1343 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1344 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 1, S("a1bcdefghijklmnopqrst"));
1345 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 10, S("a1234567890bcdefghijklmnopqrst"));
1346 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 19, S("a1234567890123456789bcdefghijklmnopqrst"));
1347 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 20, S("a12345678901234567890bcdefghijklmnopqrst"));
1348 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 0, 21, S("a12345678901234567890bcdefghijklmnopqrst"));
1349 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1350 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 1, S("a2bcdefghijklmnopqrst"));
1351 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 9, S("a234567890bcdefghijklmnopqrst"));
1352 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 18, S("a234567890123456789bcdefghijklmnopqrst"));
1353 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 19, S("a2345678901234567890bcdefghijklmnopqrst"));
1354 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 1, 20, S("a2345678901234567890bcdefghijklmnopqrst"));
1355 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1356 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 1, S("a1bcdefghijklmnopqrst"));
1357 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 5, S("a12345bcdefghijklmnopqrst"));
1358 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 9, S("a123456789bcdefghijklmnopqrst"));
1359 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 10, S("a1234567890bcdefghijklmnopqrst"));
1360 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 10, 11, S("a1234567890bcdefghijklmnopqrst"));
1361 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1362 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 19, 1, S("a0bcdefghijklmnopqrst"));
1363 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 19, 2, S("a0bcdefghijklmnopqrst"));
1364 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1365 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1366 test(S("abcdefghijklmnopqrst"), 1, S("12345678901234567890"), 21, 0, S("can't happen"));
1367 test(S("abcdefghijklmnopqrst"), 10, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1368 test(S("abcdefghijklmnopqrst"), 10, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1369 test(S("abcdefghijklmnopqrst"), 10, S(""), 1, 0, S("can't happen"));
1370 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1371 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 1, S("abcdefghij1klmnopqrst"));
1372 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 2, S("abcdefghij12klmnopqrst"));
1373 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 4, S("abcdefghij1234klmnopqrst"));
1374 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 5, S("abcdefghij12345klmnopqrst"));
1375 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, 6, S("abcdefghij12345klmnopqrst"));
1376 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1377 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 1, S("abcdefghij2klmnopqrst"));
1378 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 2, S("abcdefghij23klmnopqrst"));
1379 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 3, S("abcdefghij234klmnopqrst"));
1380 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 4, S("abcdefghij2345klmnopqrst"));
1381 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, 5, S("abcdefghij2345klmnopqrst"));
1382 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1383 }
1384
1385 template <class S>
test24()1386 void test24()
1387 {
1388 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 1, S("abcdefghij3klmnopqrst"));
1389 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 2, S("abcdefghij34klmnopqrst"));
1390 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 3, S("abcdefghij345klmnopqrst"));
1391 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 2, 4, S("abcdefghij345klmnopqrst"));
1392 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1393 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 4, 1, S("abcdefghij5klmnopqrst"));
1394 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 4, 2, S("abcdefghij5klmnopqrst"));
1395 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1396 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1397 test(S("abcdefghijklmnopqrst"), 10, S("12345"), 6, 0, S("can't happen"));
1398 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1399 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 1, S("abcdefghij1klmnopqrst"));
1400 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 5, S("abcdefghij12345klmnopqrst"));
1401 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 9, S("abcdefghij123456789klmnopqrst"));
1402 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 10, S("abcdefghij1234567890klmnopqrst"));
1403 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 0, 11, S("abcdefghij1234567890klmnopqrst"));
1404 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1405 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 1, S("abcdefghij2klmnopqrst"));
1406 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 4, S("abcdefghij2345klmnopqrst"));
1407 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 8, S("abcdefghij23456789klmnopqrst"));
1408 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 9, S("abcdefghij234567890klmnopqrst"));
1409 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 1, 10, S("abcdefghij234567890klmnopqrst"));
1410 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1411 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 1, S("abcdefghij6klmnopqrst"));
1412 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 2, S("abcdefghij67klmnopqrst"));
1413 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 4, S("abcdefghij6789klmnopqrst"));
1414 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 5, S("abcdefghij67890klmnopqrst"));
1415 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 5, 6, S("abcdefghij67890klmnopqrst"));
1416 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1417 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 9, 1, S("abcdefghij0klmnopqrst"));
1418 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 9, 2, S("abcdefghij0klmnopqrst"));
1419 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1420 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1421 test(S("abcdefghijklmnopqrst"), 10, S("1234567890"), 11, 0, S("can't happen"));
1422 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1423 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 1, S("abcdefghij1klmnopqrst"));
1424 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 10, S("abcdefghij1234567890klmnopqrst"));
1425 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 19, S("abcdefghij1234567890123456789klmnopqrst"));
1426 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 20, S("abcdefghij12345678901234567890klmnopqrst"));
1427 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 0, 21, S("abcdefghij12345678901234567890klmnopqrst"));
1428 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1429 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 1, S("abcdefghij2klmnopqrst"));
1430 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 9, S("abcdefghij234567890klmnopqrst"));
1431 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 18, S("abcdefghij234567890123456789klmnopqrst"));
1432 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 19, S("abcdefghij2345678901234567890klmnopqrst"));
1433 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 1, 20, S("abcdefghij2345678901234567890klmnopqrst"));
1434 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1435 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 1, S("abcdefghij1klmnopqrst"));
1436 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 5, S("abcdefghij12345klmnopqrst"));
1437 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 9, S("abcdefghij123456789klmnopqrst"));
1438 }
1439
1440 template <class S>
test25()1441 void test25()
1442 {
1443 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 10, S("abcdefghij1234567890klmnopqrst"));
1444 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 10, 11, S("abcdefghij1234567890klmnopqrst"));
1445 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1446 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 19, 1, S("abcdefghij0klmnopqrst"));
1447 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 19, 2, S("abcdefghij0klmnopqrst"));
1448 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1449 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1450 test(S("abcdefghijklmnopqrst"), 10, S("12345678901234567890"), 21, 0, S("can't happen"));
1451 test(S("abcdefghijklmnopqrst"), 19, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1452 test(S("abcdefghijklmnopqrst"), 19, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1453 test(S("abcdefghijklmnopqrst"), 19, S(""), 1, 0, S("can't happen"));
1454 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1455 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 1, S("abcdefghijklmnopqrs1t"));
1456 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 2, S("abcdefghijklmnopqrs12t"));
1457 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 4, S("abcdefghijklmnopqrs1234t"));
1458 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 5, S("abcdefghijklmnopqrs12345t"));
1459 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 0, 6, S("abcdefghijklmnopqrs12345t"));
1460 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1461 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 1, S("abcdefghijklmnopqrs2t"));
1462 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 2, S("abcdefghijklmnopqrs23t"));
1463 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 3, S("abcdefghijklmnopqrs234t"));
1464 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 4, S("abcdefghijklmnopqrs2345t"));
1465 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 1, 5, S("abcdefghijklmnopqrs2345t"));
1466 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1467 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 1, S("abcdefghijklmnopqrs3t"));
1468 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 2, S("abcdefghijklmnopqrs34t"));
1469 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 3, S("abcdefghijklmnopqrs345t"));
1470 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 2, 4, S("abcdefghijklmnopqrs345t"));
1471 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1472 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 4, 1, S("abcdefghijklmnopqrs5t"));
1473 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 4, 2, S("abcdefghijklmnopqrs5t"));
1474 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1475 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1476 test(S("abcdefghijklmnopqrst"), 19, S("12345"), 6, 0, S("can't happen"));
1477 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1478 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 1, S("abcdefghijklmnopqrs1t"));
1479 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 5, S("abcdefghijklmnopqrs12345t"));
1480 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 9, S("abcdefghijklmnopqrs123456789t"));
1481 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 10, S("abcdefghijklmnopqrs1234567890t"));
1482 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 0, 11, S("abcdefghijklmnopqrs1234567890t"));
1483 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1484 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 1, S("abcdefghijklmnopqrs2t"));
1485 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 4, S("abcdefghijklmnopqrs2345t"));
1486 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 8, S("abcdefghijklmnopqrs23456789t"));
1487 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 9, S("abcdefghijklmnopqrs234567890t"));
1488 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 1, 10, S("abcdefghijklmnopqrs234567890t"));
1489 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1490 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 1, S("abcdefghijklmnopqrs6t"));
1491 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 2, S("abcdefghijklmnopqrs67t"));
1492 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 4, S("abcdefghijklmnopqrs6789t"));
1493 }
1494
1495 template <class S>
test26()1496 void test26()
1497 {
1498 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 5, S("abcdefghijklmnopqrs67890t"));
1499 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 5, 6, S("abcdefghijklmnopqrs67890t"));
1500 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1501 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 9, 1, S("abcdefghijklmnopqrs0t"));
1502 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 9, 2, S("abcdefghijklmnopqrs0t"));
1503 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1504 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1505 test(S("abcdefghijklmnopqrst"), 19, S("1234567890"), 11, 0, S("can't happen"));
1506 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1507 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 1, S("abcdefghijklmnopqrs1t"));
1508 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 10, S("abcdefghijklmnopqrs1234567890t"));
1509 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 19, S("abcdefghijklmnopqrs1234567890123456789t"));
1510 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 20, S("abcdefghijklmnopqrs12345678901234567890t"));
1511 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 0, 21, S("abcdefghijklmnopqrs12345678901234567890t"));
1512 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1513 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 1, S("abcdefghijklmnopqrs2t"));
1514 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 9, S("abcdefghijklmnopqrs234567890t"));
1515 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 18, S("abcdefghijklmnopqrs234567890123456789t"));
1516 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 19, S("abcdefghijklmnopqrs2345678901234567890t"));
1517 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 1, 20, S("abcdefghijklmnopqrs2345678901234567890t"));
1518 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1519 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 1, S("abcdefghijklmnopqrs1t"));
1520 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 5, S("abcdefghijklmnopqrs12345t"));
1521 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 9, S("abcdefghijklmnopqrs123456789t"));
1522 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 10, S("abcdefghijklmnopqrs1234567890t"));
1523 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 10, 11, S("abcdefghijklmnopqrs1234567890t"));
1524 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1525 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 19, 1, S("abcdefghijklmnopqrs0t"));
1526 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 19, 2, S("abcdefghijklmnopqrs0t"));
1527 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1528 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1529 test(S("abcdefghijklmnopqrst"), 19, S("12345678901234567890"), 21, 0, S("can't happen"));
1530 test(S("abcdefghijklmnopqrst"), 20, S(""), 0, 0, S("abcdefghijklmnopqrst"));
1531 test(S("abcdefghijklmnopqrst"), 20, S(""), 0, 1, S("abcdefghijklmnopqrst"));
1532 test(S("abcdefghijklmnopqrst"), 20, S(""), 1, 0, S("can't happen"));
1533 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 0, S("abcdefghijklmnopqrst"));
1534 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 1, S("abcdefghijklmnopqrst1"));
1535 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 2, S("abcdefghijklmnopqrst12"));
1536 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 4, S("abcdefghijklmnopqrst1234"));
1537 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 5, S("abcdefghijklmnopqrst12345"));
1538 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 0, 6, S("abcdefghijklmnopqrst12345"));
1539 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 0, S("abcdefghijklmnopqrst"));
1540 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 1, S("abcdefghijklmnopqrst2"));
1541 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 2, S("abcdefghijklmnopqrst23"));
1542 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 3, S("abcdefghijklmnopqrst234"));
1543 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 4, S("abcdefghijklmnopqrst2345"));
1544 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 1, 5, S("abcdefghijklmnopqrst2345"));
1545 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 0, S("abcdefghijklmnopqrst"));
1546 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 1, S("abcdefghijklmnopqrst3"));
1547 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 2, S("abcdefghijklmnopqrst34"));
1548 }
1549
1550 template <class S>
test27()1551 void test27()
1552 {
1553 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 3, S("abcdefghijklmnopqrst345"));
1554 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 2, 4, S("abcdefghijklmnopqrst345"));
1555 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 4, 0, S("abcdefghijklmnopqrst"));
1556 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 4, 1, S("abcdefghijklmnopqrst5"));
1557 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 4, 2, S("abcdefghijklmnopqrst5"));
1558 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 5, 0, S("abcdefghijklmnopqrst"));
1559 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 5, 1, S("abcdefghijklmnopqrst"));
1560 test(S("abcdefghijklmnopqrst"), 20, S("12345"), 6, 0, S("can't happen"));
1561 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1562 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 1, S("abcdefghijklmnopqrst1"));
1563 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 5, S("abcdefghijklmnopqrst12345"));
1564 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 9, S("abcdefghijklmnopqrst123456789"));
1565 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 10, S("abcdefghijklmnopqrst1234567890"));
1566 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 0, 11, S("abcdefghijklmnopqrst1234567890"));
1567 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1568 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 1, S("abcdefghijklmnopqrst2"));
1569 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 4, S("abcdefghijklmnopqrst2345"));
1570 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 8, S("abcdefghijklmnopqrst23456789"));
1571 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 9, S("abcdefghijklmnopqrst234567890"));
1572 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 1, 10, S("abcdefghijklmnopqrst234567890"));
1573 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 0, S("abcdefghijklmnopqrst"));
1574 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 1, S("abcdefghijklmnopqrst6"));
1575 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 2, S("abcdefghijklmnopqrst67"));
1576 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 4, S("abcdefghijklmnopqrst6789"));
1577 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 5, S("abcdefghijklmnopqrst67890"));
1578 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 5, 6, S("abcdefghijklmnopqrst67890"));
1579 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 9, 0, S("abcdefghijklmnopqrst"));
1580 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 9, 1, S("abcdefghijklmnopqrst0"));
1581 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 9, 2, S("abcdefghijklmnopqrst0"));
1582 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1583 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 10, 1, S("abcdefghijklmnopqrst"));
1584 test(S("abcdefghijklmnopqrst"), 20, S("1234567890"), 11, 0, S("can't happen"));
1585 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 0, S("abcdefghijklmnopqrst"));
1586 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 1, S("abcdefghijklmnopqrst1"));
1587 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 10, S("abcdefghijklmnopqrst1234567890"));
1588 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 19, S("abcdefghijklmnopqrst1234567890123456789"));
1589 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 20, S("abcdefghijklmnopqrst12345678901234567890"));
1590 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 0, 21, S("abcdefghijklmnopqrst12345678901234567890"));
1591 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 0, S("abcdefghijklmnopqrst"));
1592 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 1, S("abcdefghijklmnopqrst2"));
1593 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 9, S("abcdefghijklmnopqrst234567890"));
1594 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 18, S("abcdefghijklmnopqrst234567890123456789"));
1595 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 19, S("abcdefghijklmnopqrst2345678901234567890"));
1596 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 1, 20, S("abcdefghijklmnopqrst2345678901234567890"));
1597 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 0, S("abcdefghijklmnopqrst"));
1598 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 1, S("abcdefghijklmnopqrst1"));
1599 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 5, S("abcdefghijklmnopqrst12345"));
1600 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 9, S("abcdefghijklmnopqrst123456789"));
1601 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 10, S("abcdefghijklmnopqrst1234567890"));
1602 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 10, 11, S("abcdefghijklmnopqrst1234567890"));
1603 }
1604
1605 template <class S>
test28()1606 void test28()
1607 {
1608 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 19, 0, S("abcdefghijklmnopqrst"));
1609 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 19, 1, S("abcdefghijklmnopqrst0"));
1610 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 19, 2, S("abcdefghijklmnopqrst0"));
1611 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 20, 0, S("abcdefghijklmnopqrst"));
1612 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 20, 1, S("abcdefghijklmnopqrst"));
1613 test(S("abcdefghijklmnopqrst"), 20, S("12345678901234567890"), 21, 0, S("can't happen"));
1614 test(S("abcdefghijklmnopqrst"), 21, S(""), 0, 0, S("can't happen"));
1615 test(S("abcdefghijklmnopqrst"), 21, S(""), 0, 1, S("can't happen"));
1616 test(S("abcdefghijklmnopqrst"), 21, S(""), 1, 0, S("can't happen"));
1617 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 0, S("can't happen"));
1618 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 1, S("can't happen"));
1619 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 2, S("can't happen"));
1620 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 4, S("can't happen"));
1621 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 5, S("can't happen"));
1622 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 0, 6, S("can't happen"));
1623 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 0, S("can't happen"));
1624 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 1, S("can't happen"));
1625 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 2, S("can't happen"));
1626 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 3, S("can't happen"));
1627 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 4, S("can't happen"));
1628 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 1, 5, S("can't happen"));
1629 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 0, S("can't happen"));
1630 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 1, S("can't happen"));
1631 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 2, S("can't happen"));
1632 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 3, S("can't happen"));
1633 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 2, 4, S("can't happen"));
1634 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 4, 0, S("can't happen"));
1635 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 4, 1, S("can't happen"));
1636 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 4, 2, S("can't happen"));
1637 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 5, 0, S("can't happen"));
1638 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 5, 1, S("can't happen"));
1639 test(S("abcdefghijklmnopqrst"), 21, S("12345"), 6, 0, S("can't happen"));
1640 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 0, S("can't happen"));
1641 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 1, S("can't happen"));
1642 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 5, S("can't happen"));
1643 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 9, S("can't happen"));
1644 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 10, S("can't happen"));
1645 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 0, 11, S("can't happen"));
1646 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 0, S("can't happen"));
1647 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 1, S("can't happen"));
1648 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 4, S("can't happen"));
1649 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 8, S("can't happen"));
1650 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 9, S("can't happen"));
1651 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 1, 10, S("can't happen"));
1652 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 0, S("can't happen"));
1653 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 1, S("can't happen"));
1654 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 2, S("can't happen"));
1655 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 4, S("can't happen"));
1656 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 5, S("can't happen"));
1657 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 5, 6, S("can't happen"));
1658 }
1659
1660 template <class S>
test29()1661 void test29()
1662 {
1663 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 9, 0, S("can't happen"));
1664 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 9, 1, S("can't happen"));
1665 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 9, 2, S("can't happen"));
1666 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 10, 0, S("can't happen"));
1667 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 10, 1, S("can't happen"));
1668 test(S("abcdefghijklmnopqrst"), 21, S("1234567890"), 11, 0, S("can't happen"));
1669 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 0, S("can't happen"));
1670 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 1, S("can't happen"));
1671 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 10, S("can't happen"));
1672 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 19, S("can't happen"));
1673 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 20, S("can't happen"));
1674 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 0, 21, S("can't happen"));
1675 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 0, S("can't happen"));
1676 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 1, S("can't happen"));
1677 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 9, S("can't happen"));
1678 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 18, S("can't happen"));
1679 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 19, S("can't happen"));
1680 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 1, 20, S("can't happen"));
1681 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 0, S("can't happen"));
1682 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 1, S("can't happen"));
1683 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 5, S("can't happen"));
1684 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 9, S("can't happen"));
1685 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 10, S("can't happen"));
1686 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 10, 11, S("can't happen"));
1687 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 19, 0, S("can't happen"));
1688 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 19, 1, S("can't happen"));
1689 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 19, 2, S("can't happen"));
1690 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 20, 0, S("can't happen"));
1691 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 20, 1, S("can't happen"));
1692 test(S("abcdefghijklmnopqrst"), 21, S("12345678901234567890"), 21, 0, S("can't happen"));
1693 }
1694
1695 template <class S>
test30()1696 void test30()
1697 {
1698 test_npos(S(""), 0, S("12345678901234567890"), 0, S("12345678901234567890"));
1699 test_npos(S(""), 0, S("12345678901234567890"), 1, S( "2345678901234567890"));
1700 test_npos(S(""), 0, S("12345678901234567890"), 2, S( "345678901234567890"));
1701 test_npos(S(""), 0, S("12345678901234567890"), 3, S( "45678901234567890"));
1702 test_npos(S(""), 0, S("12345678901234567890"), 5, S( "678901234567890"));
1703 test_npos(S(""), 0, S("12345678901234567890"), 10, S( "1234567890"));
1704 test_npos(S(""), 0, S("12345678901234567890"), 21, S("can't happen"));
1705 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 0, S("abcdefghij12345klmnopqrst"));
1706 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 1, S("abcdefghij2345klmnopqrst"));
1707 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 3, S("abcdefghij45klmnopqrst"));
1708 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 5, S("abcdefghijklmnopqrst"));
1709 test_npos(S("abcdefghijklmnopqrst"), 10, S("12345"), 6, S("can't happen"));
1710 }
1711
main()1712 int main()
1713 {
1714 {
1715 typedef std::string S;
1716 test0<S>();
1717 test1<S>();
1718 test2<S>();
1719 test3<S>();
1720 test4<S>();
1721 test5<S>();
1722 test6<S>();
1723 test7<S>();
1724 test8<S>();
1725 test9<S>();
1726 test10<S>();
1727 test11<S>();
1728 test12<S>();
1729 test13<S>();
1730 test14<S>();
1731 test15<S>();
1732 test16<S>();
1733 test17<S>();
1734 test18<S>();
1735 test19<S>();
1736 test20<S>();
1737 test21<S>();
1738 test22<S>();
1739 test23<S>();
1740 test24<S>();
1741 test25<S>();
1742 test26<S>();
1743 test27<S>();
1744 test28<S>();
1745 test29<S>();
1746 test30<S>();
1747 }
1748 #if __cplusplus >= 201103L
1749 {
1750 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
1751 test0<S>();
1752 test1<S>();
1753 test2<S>();
1754 test3<S>();
1755 test4<S>();
1756 test5<S>();
1757 test6<S>();
1758 test7<S>();
1759 test8<S>();
1760 test9<S>();
1761 test10<S>();
1762 test11<S>();
1763 test12<S>();
1764 test13<S>();
1765 test14<S>();
1766 test15<S>();
1767 test16<S>();
1768 test17<S>();
1769 test18<S>();
1770 test19<S>();
1771 test20<S>();
1772 test21<S>();
1773 test22<S>();
1774 test23<S>();
1775 test24<S>();
1776 test25<S>();
1777 test26<S>();
1778 test27<S>();
1779 test28<S>();
1780 test29<S>();
1781 test30<S>();
1782 }
1783 #endif
1784 }
1785