1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <string>
10 
11 // basic_string<charT,traits,Allocator>&
12 //   replace(size_type pos, size_type n1, const charT* s, size_type n2);
13 
14 // When back-deploying to macosx10.7, the RTTI for exception classes
15 // incorrectly provided by libc++.dylib is mixed with the one in
16 // libc++abi.dylib and exceptions are not caught properly.
17 // XFAIL: with_system_cxx_lib=macosx10.7
18 
19 #include <string>
20 #include <stdexcept>
21 #include <algorithm>
22 #include <cassert>
23 
24 #include "test_macros.h"
25 #include "min_allocator.h"
26 
27 template <class S>
28 void
test(S s,typename S::size_type pos,typename S::size_type n1,const typename S::value_type * str,typename S::size_type n2,S expected)29 test(S s, typename S::size_type pos, typename S::size_type n1,
30      const typename S::value_type* str, typename S::size_type n2,
31      S expected)
32 {
33     const typename S::size_type old_size = s.size();
34     S s0 = s;
35     if (pos <= old_size)
36     {
37         s.replace(pos, n1, str, n2);
38         LIBCPP_ASSERT(s.__invariants());
39         assert(s == expected);
40         typename S::size_type xlen = std::min(n1, old_size - pos);
41         typename S::size_type rlen = n2;
42         assert(s.size() == old_size - xlen + rlen);
43     }
44 #ifndef TEST_HAS_NO_EXCEPTIONS
45     else
46     {
47         try
48         {
49             s.replace(pos, n1, str, n2);
50             assert(false);
51         }
52         catch (std::out_of_range&)
53         {
54             assert(pos > old_size);
55             assert(s == s0);
56         }
57     }
58 #endif
59 }
60 
61 template <class S>
test0()62 void test0()
63 {
64     test(S(""), 0, 0, "", 0, S(""));
65     test(S(""), 0, 0, "12345", 0, S(""));
66     test(S(""), 0, 0, "12345", 1, S("1"));
67     test(S(""), 0, 0, "12345", 2, S("12"));
68     test(S(""), 0, 0, "12345", 4, S("1234"));
69     test(S(""), 0, 0, "12345", 5, S("12345"));
70     test(S(""), 0, 0, "1234567890", 0, S(""));
71     test(S(""), 0, 0, "1234567890", 1, S("1"));
72     test(S(""), 0, 0, "1234567890", 5, S("12345"));
73     test(S(""), 0, 0, "1234567890", 9, S("123456789"));
74     test(S(""), 0, 0, "1234567890", 10, S("1234567890"));
75     test(S(""), 0, 0, "12345678901234567890", 0, S(""));
76     test(S(""), 0, 0, "12345678901234567890", 1, S("1"));
77     test(S(""), 0, 0, "12345678901234567890", 10, S("1234567890"));
78     test(S(""), 0, 0, "12345678901234567890", 19, S("1234567890123456789"));
79     test(S(""), 0, 0, "12345678901234567890", 20, S("12345678901234567890"));
80     test(S(""), 0, 1, "", 0, S(""));
81     test(S(""), 0, 1, "12345", 0, S(""));
82     test(S(""), 0, 1, "12345", 1, S("1"));
83     test(S(""), 0, 1, "12345", 2, S("12"));
84     test(S(""), 0, 1, "12345", 4, S("1234"));
85     test(S(""), 0, 1, "12345", 5, S("12345"));
86     test(S(""), 0, 1, "1234567890", 0, S(""));
87     test(S(""), 0, 1, "1234567890", 1, S("1"));
88     test(S(""), 0, 1, "1234567890", 5, S("12345"));
89     test(S(""), 0, 1, "1234567890", 9, S("123456789"));
90     test(S(""), 0, 1, "1234567890", 10, S("1234567890"));
91     test(S(""), 0, 1, "12345678901234567890", 0, S(""));
92     test(S(""), 0, 1, "12345678901234567890", 1, S("1"));
93     test(S(""), 0, 1, "12345678901234567890", 10, S("1234567890"));
94     test(S(""), 0, 1, "12345678901234567890", 19, S("1234567890123456789"));
95     test(S(""), 0, 1, "12345678901234567890", 20, S("12345678901234567890"));
96     test(S(""), 1, 0, "", 0, S("can't happen"));
97     test(S(""), 1, 0, "12345", 0, S("can't happen"));
98     test(S(""), 1, 0, "12345", 1, S("can't happen"));
99     test(S(""), 1, 0, "12345", 2, S("can't happen"));
100     test(S(""), 1, 0, "12345", 4, S("can't happen"));
101     test(S(""), 1, 0, "12345", 5, S("can't happen"));
102     test(S(""), 1, 0, "1234567890", 0, S("can't happen"));
103     test(S(""), 1, 0, "1234567890", 1, S("can't happen"));
104     test(S(""), 1, 0, "1234567890", 5, S("can't happen"));
105     test(S(""), 1, 0, "1234567890", 9, S("can't happen"));
106     test(S(""), 1, 0, "1234567890", 10, S("can't happen"));
107     test(S(""), 1, 0, "12345678901234567890", 0, S("can't happen"));
108     test(S(""), 1, 0, "12345678901234567890", 1, S("can't happen"));
109     test(S(""), 1, 0, "12345678901234567890", 10, S("can't happen"));
110     test(S(""), 1, 0, "12345678901234567890", 19, S("can't happen"));
111     test(S(""), 1, 0, "12345678901234567890", 20, S("can't happen"));
112     test(S("abcde"), 0, 0, "", 0, S("abcde"));
113     test(S("abcde"), 0, 0, "12345", 0, S("abcde"));
114     test(S("abcde"), 0, 0, "12345", 1, S("1abcde"));
115     test(S("abcde"), 0, 0, "12345", 2, S("12abcde"));
116     test(S("abcde"), 0, 0, "12345", 4, S("1234abcde"));
117     test(S("abcde"), 0, 0, "12345", 5, S("12345abcde"));
118     test(S("abcde"), 0, 0, "1234567890", 0, S("abcde"));
119     test(S("abcde"), 0, 0, "1234567890", 1, S("1abcde"));
120     test(S("abcde"), 0, 0, "1234567890", 5, S("12345abcde"));
121     test(S("abcde"), 0, 0, "1234567890", 9, S("123456789abcde"));
122     test(S("abcde"), 0, 0, "1234567890", 10, S("1234567890abcde"));
123     test(S("abcde"), 0, 0, "12345678901234567890", 0, S("abcde"));
124     test(S("abcde"), 0, 0, "12345678901234567890", 1, S("1abcde"));
125     test(S("abcde"), 0, 0, "12345678901234567890", 10, S("1234567890abcde"));
126     test(S("abcde"), 0, 0, "12345678901234567890", 19, S("1234567890123456789abcde"));
127     test(S("abcde"), 0, 0, "12345678901234567890", 20, S("12345678901234567890abcde"));
128     test(S("abcde"), 0, 1, "", 0, S("bcde"));
129     test(S("abcde"), 0, 1, "12345", 0, S("bcde"));
130     test(S("abcde"), 0, 1, "12345", 1, S("1bcde"));
131     test(S("abcde"), 0, 1, "12345", 2, S("12bcde"));
132     test(S("abcde"), 0, 1, "12345", 4, S("1234bcde"));
133     test(S("abcde"), 0, 1, "12345", 5, S("12345bcde"));
134     test(S("abcde"), 0, 1, "1234567890", 0, S("bcde"));
135     test(S("abcde"), 0, 1, "1234567890", 1, S("1bcde"));
136     test(S("abcde"), 0, 1, "1234567890", 5, S("12345bcde"));
137     test(S("abcde"), 0, 1, "1234567890", 9, S("123456789bcde"));
138     test(S("abcde"), 0, 1, "1234567890", 10, S("1234567890bcde"));
139     test(S("abcde"), 0, 1, "12345678901234567890", 0, S("bcde"));
140     test(S("abcde"), 0, 1, "12345678901234567890", 1, S("1bcde"));
141     test(S("abcde"), 0, 1, "12345678901234567890", 10, S("1234567890bcde"));
142     test(S("abcde"), 0, 1, "12345678901234567890", 19, S("1234567890123456789bcde"));
143     test(S("abcde"), 0, 1, "12345678901234567890", 20, S("12345678901234567890bcde"));
144     test(S("abcde"), 0, 2, "", 0, S("cde"));
145     test(S("abcde"), 0, 2, "12345", 0, S("cde"));
146     test(S("abcde"), 0, 2, "12345", 1, S("1cde"));
147     test(S("abcde"), 0, 2, "12345", 2, S("12cde"));
148     test(S("abcde"), 0, 2, "12345", 4, S("1234cde"));
149     test(S("abcde"), 0, 2, "12345", 5, S("12345cde"));
150     test(S("abcde"), 0, 2, "1234567890", 0, S("cde"));
151     test(S("abcde"), 0, 2, "1234567890", 1, S("1cde"));
152     test(S("abcde"), 0, 2, "1234567890", 5, S("12345cde"));
153     test(S("abcde"), 0, 2, "1234567890", 9, S("123456789cde"));
154     test(S("abcde"), 0, 2, "1234567890", 10, S("1234567890cde"));
155     test(S("abcde"), 0, 2, "12345678901234567890", 0, S("cde"));
156     test(S("abcde"), 0, 2, "12345678901234567890", 1, S("1cde"));
157     test(S("abcde"), 0, 2, "12345678901234567890", 10, S("1234567890cde"));
158     test(S("abcde"), 0, 2, "12345678901234567890", 19, S("1234567890123456789cde"));
159     test(S("abcde"), 0, 2, "12345678901234567890", 20, S("12345678901234567890cde"));
160     test(S("abcde"), 0, 4, "", 0, S("e"));
161     test(S("abcde"), 0, 4, "12345", 0, S("e"));
162     test(S("abcde"), 0, 4, "12345", 1, S("1e"));
163     test(S("abcde"), 0, 4, "12345", 2, S("12e"));
164 }
165 
166 template <class S>
test1()167 void test1()
168 {
169     test(S("abcde"), 0, 4, "12345", 4, S("1234e"));
170     test(S("abcde"), 0, 4, "12345", 5, S("12345e"));
171     test(S("abcde"), 0, 4, "1234567890", 0, S("e"));
172     test(S("abcde"), 0, 4, "1234567890", 1, S("1e"));
173     test(S("abcde"), 0, 4, "1234567890", 5, S("12345e"));
174     test(S("abcde"), 0, 4, "1234567890", 9, S("123456789e"));
175     test(S("abcde"), 0, 4, "1234567890", 10, S("1234567890e"));
176     test(S("abcde"), 0, 4, "12345678901234567890", 0, S("e"));
177     test(S("abcde"), 0, 4, "12345678901234567890", 1, S("1e"));
178     test(S("abcde"), 0, 4, "12345678901234567890", 10, S("1234567890e"));
179     test(S("abcde"), 0, 4, "12345678901234567890", 19, S("1234567890123456789e"));
180     test(S("abcde"), 0, 4, "12345678901234567890", 20, S("12345678901234567890e"));
181     test(S("abcde"), 0, 5, "", 0, S(""));
182     test(S("abcde"), 0, 5, "12345", 0, S(""));
183     test(S("abcde"), 0, 5, "12345", 1, S("1"));
184     test(S("abcde"), 0, 5, "12345", 2, S("12"));
185     test(S("abcde"), 0, 5, "12345", 4, S("1234"));
186     test(S("abcde"), 0, 5, "12345", 5, S("12345"));
187     test(S("abcde"), 0, 5, "1234567890", 0, S(""));
188     test(S("abcde"), 0, 5, "1234567890", 1, S("1"));
189     test(S("abcde"), 0, 5, "1234567890", 5, S("12345"));
190     test(S("abcde"), 0, 5, "1234567890", 9, S("123456789"));
191     test(S("abcde"), 0, 5, "1234567890", 10, S("1234567890"));
192     test(S("abcde"), 0, 5, "12345678901234567890", 0, S(""));
193     test(S("abcde"), 0, 5, "12345678901234567890", 1, S("1"));
194     test(S("abcde"), 0, 5, "12345678901234567890", 10, S("1234567890"));
195     test(S("abcde"), 0, 5, "12345678901234567890", 19, S("1234567890123456789"));
196     test(S("abcde"), 0, 5, "12345678901234567890", 20, S("12345678901234567890"));
197     test(S("abcde"), 0, 6, "", 0, S(""));
198     test(S("abcde"), 0, 6, "12345", 0, S(""));
199     test(S("abcde"), 0, 6, "12345", 1, S("1"));
200     test(S("abcde"), 0, 6, "12345", 2, S("12"));
201     test(S("abcde"), 0, 6, "12345", 4, S("1234"));
202     test(S("abcde"), 0, 6, "12345", 5, S("12345"));
203     test(S("abcde"), 0, 6, "1234567890", 0, S(""));
204     test(S("abcde"), 0, 6, "1234567890", 1, S("1"));
205     test(S("abcde"), 0, 6, "1234567890", 5, S("12345"));
206     test(S("abcde"), 0, 6, "1234567890", 9, S("123456789"));
207     test(S("abcde"), 0, 6, "1234567890", 10, S("1234567890"));
208     test(S("abcde"), 0, 6, "12345678901234567890", 0, S(""));
209     test(S("abcde"), 0, 6, "12345678901234567890", 1, S("1"));
210     test(S("abcde"), 0, 6, "12345678901234567890", 10, S("1234567890"));
211     test(S("abcde"), 0, 6, "12345678901234567890", 19, S("1234567890123456789"));
212     test(S("abcde"), 0, 6, "12345678901234567890", 20, S("12345678901234567890"));
213     test(S("abcde"), 1, 0, "", 0, S("abcde"));
214     test(S("abcde"), 1, 0, "12345", 0, S("abcde"));
215     test(S("abcde"), 1, 0, "12345", 1, S("a1bcde"));
216     test(S("abcde"), 1, 0, "12345", 2, S("a12bcde"));
217     test(S("abcde"), 1, 0, "12345", 4, S("a1234bcde"));
218     test(S("abcde"), 1, 0, "12345", 5, S("a12345bcde"));
219     test(S("abcde"), 1, 0, "1234567890", 0, S("abcde"));
220     test(S("abcde"), 1, 0, "1234567890", 1, S("a1bcde"));
221     test(S("abcde"), 1, 0, "1234567890", 5, S("a12345bcde"));
222     test(S("abcde"), 1, 0, "1234567890", 9, S("a123456789bcde"));
223     test(S("abcde"), 1, 0, "1234567890", 10, S("a1234567890bcde"));
224     test(S("abcde"), 1, 0, "12345678901234567890", 0, S("abcde"));
225     test(S("abcde"), 1, 0, "12345678901234567890", 1, S("a1bcde"));
226     test(S("abcde"), 1, 0, "12345678901234567890", 10, S("a1234567890bcde"));
227     test(S("abcde"), 1, 0, "12345678901234567890", 19, S("a1234567890123456789bcde"));
228     test(S("abcde"), 1, 0, "12345678901234567890", 20, S("a12345678901234567890bcde"));
229     test(S("abcde"), 1, 1, "", 0, S("acde"));
230     test(S("abcde"), 1, 1, "12345", 0, S("acde"));
231     test(S("abcde"), 1, 1, "12345", 1, S("a1cde"));
232     test(S("abcde"), 1, 1, "12345", 2, S("a12cde"));
233     test(S("abcde"), 1, 1, "12345", 4, S("a1234cde"));
234     test(S("abcde"), 1, 1, "12345", 5, S("a12345cde"));
235     test(S("abcde"), 1, 1, "1234567890", 0, S("acde"));
236     test(S("abcde"), 1, 1, "1234567890", 1, S("a1cde"));
237     test(S("abcde"), 1, 1, "1234567890", 5, S("a12345cde"));
238     test(S("abcde"), 1, 1, "1234567890", 9, S("a123456789cde"));
239     test(S("abcde"), 1, 1, "1234567890", 10, S("a1234567890cde"));
240     test(S("abcde"), 1, 1, "12345678901234567890", 0, S("acde"));
241     test(S("abcde"), 1, 1, "12345678901234567890", 1, S("a1cde"));
242     test(S("abcde"), 1, 1, "12345678901234567890", 10, S("a1234567890cde"));
243     test(S("abcde"), 1, 1, "12345678901234567890", 19, S("a1234567890123456789cde"));
244     test(S("abcde"), 1, 1, "12345678901234567890", 20, S("a12345678901234567890cde"));
245     test(S("abcde"), 1, 2, "", 0, S("ade"));
246     test(S("abcde"), 1, 2, "12345", 0, S("ade"));
247     test(S("abcde"), 1, 2, "12345", 1, S("a1de"));
248     test(S("abcde"), 1, 2, "12345", 2, S("a12de"));
249     test(S("abcde"), 1, 2, "12345", 4, S("a1234de"));
250     test(S("abcde"), 1, 2, "12345", 5, S("a12345de"));
251     test(S("abcde"), 1, 2, "1234567890", 0, S("ade"));
252     test(S("abcde"), 1, 2, "1234567890", 1, S("a1de"));
253     test(S("abcde"), 1, 2, "1234567890", 5, S("a12345de"));
254     test(S("abcde"), 1, 2, "1234567890", 9, S("a123456789de"));
255     test(S("abcde"), 1, 2, "1234567890", 10, S("a1234567890de"));
256     test(S("abcde"), 1, 2, "12345678901234567890", 0, S("ade"));
257     test(S("abcde"), 1, 2, "12345678901234567890", 1, S("a1de"));
258     test(S("abcde"), 1, 2, "12345678901234567890", 10, S("a1234567890de"));
259     test(S("abcde"), 1, 2, "12345678901234567890", 19, S("a1234567890123456789de"));
260     test(S("abcde"), 1, 2, "12345678901234567890", 20, S("a12345678901234567890de"));
261     test(S("abcde"), 1, 3, "", 0, S("ae"));
262     test(S("abcde"), 1, 3, "12345", 0, S("ae"));
263     test(S("abcde"), 1, 3, "12345", 1, S("a1e"));
264     test(S("abcde"), 1, 3, "12345", 2, S("a12e"));
265     test(S("abcde"), 1, 3, "12345", 4, S("a1234e"));
266     test(S("abcde"), 1, 3, "12345", 5, S("a12345e"));
267     test(S("abcde"), 1, 3, "1234567890", 0, S("ae"));
268     test(S("abcde"), 1, 3, "1234567890", 1, S("a1e"));
269 }
270 
271 template <class S>
test2()272 void test2()
273 {
274     test(S("abcde"), 1, 3, "1234567890", 5, S("a12345e"));
275     test(S("abcde"), 1, 3, "1234567890", 9, S("a123456789e"));
276     test(S("abcde"), 1, 3, "1234567890", 10, S("a1234567890e"));
277     test(S("abcde"), 1, 3, "12345678901234567890", 0, S("ae"));
278     test(S("abcde"), 1, 3, "12345678901234567890", 1, S("a1e"));
279     test(S("abcde"), 1, 3, "12345678901234567890", 10, S("a1234567890e"));
280     test(S("abcde"), 1, 3, "12345678901234567890", 19, S("a1234567890123456789e"));
281     test(S("abcde"), 1, 3, "12345678901234567890", 20, S("a12345678901234567890e"));
282     test(S("abcde"), 1, 4, "", 0, S("a"));
283     test(S("abcde"), 1, 4, "12345", 0, S("a"));
284     test(S("abcde"), 1, 4, "12345", 1, S("a1"));
285     test(S("abcde"), 1, 4, "12345", 2, S("a12"));
286     test(S("abcde"), 1, 4, "12345", 4, S("a1234"));
287     test(S("abcde"), 1, 4, "12345", 5, S("a12345"));
288     test(S("abcde"), 1, 4, "1234567890", 0, S("a"));
289     test(S("abcde"), 1, 4, "1234567890", 1, S("a1"));
290     test(S("abcde"), 1, 4, "1234567890", 5, S("a12345"));
291     test(S("abcde"), 1, 4, "1234567890", 9, S("a123456789"));
292     test(S("abcde"), 1, 4, "1234567890", 10, S("a1234567890"));
293     test(S("abcde"), 1, 4, "12345678901234567890", 0, S("a"));
294     test(S("abcde"), 1, 4, "12345678901234567890", 1, S("a1"));
295     test(S("abcde"), 1, 4, "12345678901234567890", 10, S("a1234567890"));
296     test(S("abcde"), 1, 4, "12345678901234567890", 19, S("a1234567890123456789"));
297     test(S("abcde"), 1, 4, "12345678901234567890", 20, S("a12345678901234567890"));
298     test(S("abcde"), 1, 5, "", 0, S("a"));
299     test(S("abcde"), 1, 5, "12345", 0, S("a"));
300     test(S("abcde"), 1, 5, "12345", 1, S("a1"));
301     test(S("abcde"), 1, 5, "12345", 2, S("a12"));
302     test(S("abcde"), 1, 5, "12345", 4, S("a1234"));
303     test(S("abcde"), 1, 5, "12345", 5, S("a12345"));
304     test(S("abcde"), 1, 5, "1234567890", 0, S("a"));
305     test(S("abcde"), 1, 5, "1234567890", 1, S("a1"));
306     test(S("abcde"), 1, 5, "1234567890", 5, S("a12345"));
307     test(S("abcde"), 1, 5, "1234567890", 9, S("a123456789"));
308     test(S("abcde"), 1, 5, "1234567890", 10, S("a1234567890"));
309     test(S("abcde"), 1, 5, "12345678901234567890", 0, S("a"));
310     test(S("abcde"), 1, 5, "12345678901234567890", 1, S("a1"));
311     test(S("abcde"), 1, 5, "12345678901234567890", 10, S("a1234567890"));
312     test(S("abcde"), 1, 5, "12345678901234567890", 19, S("a1234567890123456789"));
313     test(S("abcde"), 1, 5, "12345678901234567890", 20, S("a12345678901234567890"));
314     test(S("abcde"), 2, 0, "", 0, S("abcde"));
315     test(S("abcde"), 2, 0, "12345", 0, S("abcde"));
316     test(S("abcde"), 2, 0, "12345", 1, S("ab1cde"));
317     test(S("abcde"), 2, 0, "12345", 2, S("ab12cde"));
318     test(S("abcde"), 2, 0, "12345", 4, S("ab1234cde"));
319     test(S("abcde"), 2, 0, "12345", 5, S("ab12345cde"));
320     test(S("abcde"), 2, 0, "1234567890", 0, S("abcde"));
321     test(S("abcde"), 2, 0, "1234567890", 1, S("ab1cde"));
322     test(S("abcde"), 2, 0, "1234567890", 5, S("ab12345cde"));
323     test(S("abcde"), 2, 0, "1234567890", 9, S("ab123456789cde"));
324     test(S("abcde"), 2, 0, "1234567890", 10, S("ab1234567890cde"));
325     test(S("abcde"), 2, 0, "12345678901234567890", 0, S("abcde"));
326     test(S("abcde"), 2, 0, "12345678901234567890", 1, S("ab1cde"));
327     test(S("abcde"), 2, 0, "12345678901234567890", 10, S("ab1234567890cde"));
328     test(S("abcde"), 2, 0, "12345678901234567890", 19, S("ab1234567890123456789cde"));
329     test(S("abcde"), 2, 0, "12345678901234567890", 20, S("ab12345678901234567890cde"));
330     test(S("abcde"), 2, 1, "", 0, S("abde"));
331     test(S("abcde"), 2, 1, "12345", 0, S("abde"));
332     test(S("abcde"), 2, 1, "12345", 1, S("ab1de"));
333     test(S("abcde"), 2, 1, "12345", 2, S("ab12de"));
334     test(S("abcde"), 2, 1, "12345", 4, S("ab1234de"));
335     test(S("abcde"), 2, 1, "12345", 5, S("ab12345de"));
336     test(S("abcde"), 2, 1, "1234567890", 0, S("abde"));
337     test(S("abcde"), 2, 1, "1234567890", 1, S("ab1de"));
338     test(S("abcde"), 2, 1, "1234567890", 5, S("ab12345de"));
339     test(S("abcde"), 2, 1, "1234567890", 9, S("ab123456789de"));
340     test(S("abcde"), 2, 1, "1234567890", 10, S("ab1234567890de"));
341     test(S("abcde"), 2, 1, "12345678901234567890", 0, S("abde"));
342     test(S("abcde"), 2, 1, "12345678901234567890", 1, S("ab1de"));
343     test(S("abcde"), 2, 1, "12345678901234567890", 10, S("ab1234567890de"));
344     test(S("abcde"), 2, 1, "12345678901234567890", 19, S("ab1234567890123456789de"));
345     test(S("abcde"), 2, 1, "12345678901234567890", 20, S("ab12345678901234567890de"));
346     test(S("abcde"), 2, 2, "", 0, S("abe"));
347     test(S("abcde"), 2, 2, "12345", 0, S("abe"));
348     test(S("abcde"), 2, 2, "12345", 1, S("ab1e"));
349     test(S("abcde"), 2, 2, "12345", 2, S("ab12e"));
350     test(S("abcde"), 2, 2, "12345", 4, S("ab1234e"));
351     test(S("abcde"), 2, 2, "12345", 5, S("ab12345e"));
352     test(S("abcde"), 2, 2, "1234567890", 0, S("abe"));
353     test(S("abcde"), 2, 2, "1234567890", 1, S("ab1e"));
354     test(S("abcde"), 2, 2, "1234567890", 5, S("ab12345e"));
355     test(S("abcde"), 2, 2, "1234567890", 9, S("ab123456789e"));
356     test(S("abcde"), 2, 2, "1234567890", 10, S("ab1234567890e"));
357     test(S("abcde"), 2, 2, "12345678901234567890", 0, S("abe"));
358     test(S("abcde"), 2, 2, "12345678901234567890", 1, S("ab1e"));
359     test(S("abcde"), 2, 2, "12345678901234567890", 10, S("ab1234567890e"));
360     test(S("abcde"), 2, 2, "12345678901234567890", 19, S("ab1234567890123456789e"));
361     test(S("abcde"), 2, 2, "12345678901234567890", 20, S("ab12345678901234567890e"));
362     test(S("abcde"), 2, 3, "", 0, S("ab"));
363     test(S("abcde"), 2, 3, "12345", 0, S("ab"));
364     test(S("abcde"), 2, 3, "12345", 1, S("ab1"));
365     test(S("abcde"), 2, 3, "12345", 2, S("ab12"));
366     test(S("abcde"), 2, 3, "12345", 4, S("ab1234"));
367     test(S("abcde"), 2, 3, "12345", 5, S("ab12345"));
368     test(S("abcde"), 2, 3, "1234567890", 0, S("ab"));
369     test(S("abcde"), 2, 3, "1234567890", 1, S("ab1"));
370     test(S("abcde"), 2, 3, "1234567890", 5, S("ab12345"));
371     test(S("abcde"), 2, 3, "1234567890", 9, S("ab123456789"));
372     test(S("abcde"), 2, 3, "1234567890", 10, S("ab1234567890"));
373     test(S("abcde"), 2, 3, "12345678901234567890", 0, S("ab"));
374 }
375 
376 template <class S>
test3()377 void test3()
378 {
379     test(S("abcde"), 2, 3, "12345678901234567890", 1, S("ab1"));
380     test(S("abcde"), 2, 3, "12345678901234567890", 10, S("ab1234567890"));
381     test(S("abcde"), 2, 3, "12345678901234567890", 19, S("ab1234567890123456789"));
382     test(S("abcde"), 2, 3, "12345678901234567890", 20, S("ab12345678901234567890"));
383     test(S("abcde"), 2, 4, "", 0, S("ab"));
384     test(S("abcde"), 2, 4, "12345", 0, S("ab"));
385     test(S("abcde"), 2, 4, "12345", 1, S("ab1"));
386     test(S("abcde"), 2, 4, "12345", 2, S("ab12"));
387     test(S("abcde"), 2, 4, "12345", 4, S("ab1234"));
388     test(S("abcde"), 2, 4, "12345", 5, S("ab12345"));
389     test(S("abcde"), 2, 4, "1234567890", 0, S("ab"));
390     test(S("abcde"), 2, 4, "1234567890", 1, S("ab1"));
391     test(S("abcde"), 2, 4, "1234567890", 5, S("ab12345"));
392     test(S("abcde"), 2, 4, "1234567890", 9, S("ab123456789"));
393     test(S("abcde"), 2, 4, "1234567890", 10, S("ab1234567890"));
394     test(S("abcde"), 2, 4, "12345678901234567890", 0, S("ab"));
395     test(S("abcde"), 2, 4, "12345678901234567890", 1, S("ab1"));
396     test(S("abcde"), 2, 4, "12345678901234567890", 10, S("ab1234567890"));
397     test(S("abcde"), 2, 4, "12345678901234567890", 19, S("ab1234567890123456789"));
398     test(S("abcde"), 2, 4, "12345678901234567890", 20, S("ab12345678901234567890"));
399     test(S("abcde"), 4, 0, "", 0, S("abcde"));
400     test(S("abcde"), 4, 0, "12345", 0, S("abcde"));
401     test(S("abcde"), 4, 0, "12345", 1, S("abcd1e"));
402     test(S("abcde"), 4, 0, "12345", 2, S("abcd12e"));
403     test(S("abcde"), 4, 0, "12345", 4, S("abcd1234e"));
404     test(S("abcde"), 4, 0, "12345", 5, S("abcd12345e"));
405     test(S("abcde"), 4, 0, "1234567890", 0, S("abcde"));
406     test(S("abcde"), 4, 0, "1234567890", 1, S("abcd1e"));
407     test(S("abcde"), 4, 0, "1234567890", 5, S("abcd12345e"));
408     test(S("abcde"), 4, 0, "1234567890", 9, S("abcd123456789e"));
409     test(S("abcde"), 4, 0, "1234567890", 10, S("abcd1234567890e"));
410     test(S("abcde"), 4, 0, "12345678901234567890", 0, S("abcde"));
411     test(S("abcde"), 4, 0, "12345678901234567890", 1, S("abcd1e"));
412     test(S("abcde"), 4, 0, "12345678901234567890", 10, S("abcd1234567890e"));
413     test(S("abcde"), 4, 0, "12345678901234567890", 19, S("abcd1234567890123456789e"));
414     test(S("abcde"), 4, 0, "12345678901234567890", 20, S("abcd12345678901234567890e"));
415     test(S("abcde"), 4, 1, "", 0, S("abcd"));
416     test(S("abcde"), 4, 1, "12345", 0, S("abcd"));
417     test(S("abcde"), 4, 1, "12345", 1, S("abcd1"));
418     test(S("abcde"), 4, 1, "12345", 2, S("abcd12"));
419     test(S("abcde"), 4, 1, "12345", 4, S("abcd1234"));
420     test(S("abcde"), 4, 1, "12345", 5, S("abcd12345"));
421     test(S("abcde"), 4, 1, "1234567890", 0, S("abcd"));
422     test(S("abcde"), 4, 1, "1234567890", 1, S("abcd1"));
423     test(S("abcde"), 4, 1, "1234567890", 5, S("abcd12345"));
424     test(S("abcde"), 4, 1, "1234567890", 9, S("abcd123456789"));
425     test(S("abcde"), 4, 1, "1234567890", 10, S("abcd1234567890"));
426     test(S("abcde"), 4, 1, "12345678901234567890", 0, S("abcd"));
427     test(S("abcde"), 4, 1, "12345678901234567890", 1, S("abcd1"));
428     test(S("abcde"), 4, 1, "12345678901234567890", 10, S("abcd1234567890"));
429     test(S("abcde"), 4, 1, "12345678901234567890", 19, S("abcd1234567890123456789"));
430     test(S("abcde"), 4, 1, "12345678901234567890", 20, S("abcd12345678901234567890"));
431     test(S("abcde"), 4, 2, "", 0, S("abcd"));
432     test(S("abcde"), 4, 2, "12345", 0, S("abcd"));
433     test(S("abcde"), 4, 2, "12345", 1, S("abcd1"));
434     test(S("abcde"), 4, 2, "12345", 2, S("abcd12"));
435     test(S("abcde"), 4, 2, "12345", 4, S("abcd1234"));
436     test(S("abcde"), 4, 2, "12345", 5, S("abcd12345"));
437     test(S("abcde"), 4, 2, "1234567890", 0, S("abcd"));
438     test(S("abcde"), 4, 2, "1234567890", 1, S("abcd1"));
439     test(S("abcde"), 4, 2, "1234567890", 5, S("abcd12345"));
440     test(S("abcde"), 4, 2, "1234567890", 9, S("abcd123456789"));
441     test(S("abcde"), 4, 2, "1234567890", 10, S("abcd1234567890"));
442     test(S("abcde"), 4, 2, "12345678901234567890", 0, S("abcd"));
443     test(S("abcde"), 4, 2, "12345678901234567890", 1, S("abcd1"));
444     test(S("abcde"), 4, 2, "12345678901234567890", 10, S("abcd1234567890"));
445     test(S("abcde"), 4, 2, "12345678901234567890", 19, S("abcd1234567890123456789"));
446     test(S("abcde"), 4, 2, "12345678901234567890", 20, S("abcd12345678901234567890"));
447     test(S("abcde"), 5, 0, "", 0, S("abcde"));
448     test(S("abcde"), 5, 0, "12345", 0, S("abcde"));
449     test(S("abcde"), 5, 0, "12345", 1, S("abcde1"));
450     test(S("abcde"), 5, 0, "12345", 2, S("abcde12"));
451     test(S("abcde"), 5, 0, "12345", 4, S("abcde1234"));
452     test(S("abcde"), 5, 0, "12345", 5, S("abcde12345"));
453     test(S("abcde"), 5, 0, "1234567890", 0, S("abcde"));
454     test(S("abcde"), 5, 0, "1234567890", 1, S("abcde1"));
455     test(S("abcde"), 5, 0, "1234567890", 5, S("abcde12345"));
456     test(S("abcde"), 5, 0, "1234567890", 9, S("abcde123456789"));
457     test(S("abcde"), 5, 0, "1234567890", 10, S("abcde1234567890"));
458     test(S("abcde"), 5, 0, "12345678901234567890", 0, S("abcde"));
459     test(S("abcde"), 5, 0, "12345678901234567890", 1, S("abcde1"));
460     test(S("abcde"), 5, 0, "12345678901234567890", 10, S("abcde1234567890"));
461     test(S("abcde"), 5, 0, "12345678901234567890", 19, S("abcde1234567890123456789"));
462     test(S("abcde"), 5, 0, "12345678901234567890", 20, S("abcde12345678901234567890"));
463     test(S("abcde"), 5, 1, "", 0, S("abcde"));
464     test(S("abcde"), 5, 1, "12345", 0, S("abcde"));
465     test(S("abcde"), 5, 1, "12345", 1, S("abcde1"));
466     test(S("abcde"), 5, 1, "12345", 2, S("abcde12"));
467     test(S("abcde"), 5, 1, "12345", 4, S("abcde1234"));
468     test(S("abcde"), 5, 1, "12345", 5, S("abcde12345"));
469     test(S("abcde"), 5, 1, "1234567890", 0, S("abcde"));
470     test(S("abcde"), 5, 1, "1234567890", 1, S("abcde1"));
471     test(S("abcde"), 5, 1, "1234567890", 5, S("abcde12345"));
472     test(S("abcde"), 5, 1, "1234567890", 9, S("abcde123456789"));
473     test(S("abcde"), 5, 1, "1234567890", 10, S("abcde1234567890"));
474     test(S("abcde"), 5, 1, "12345678901234567890", 0, S("abcde"));
475     test(S("abcde"), 5, 1, "12345678901234567890", 1, S("abcde1"));
476     test(S("abcde"), 5, 1, "12345678901234567890", 10, S("abcde1234567890"));
477     test(S("abcde"), 5, 1, "12345678901234567890", 19, S("abcde1234567890123456789"));
478     test(S("abcde"), 5, 1, "12345678901234567890", 20, S("abcde12345678901234567890"));
479 }
480 
481 template <class S>
test4()482 void test4()
483 {
484     test(S("abcde"), 6, 0, "", 0, S("can't happen"));
485     test(S("abcde"), 6, 0, "12345", 0, S("can't happen"));
486     test(S("abcde"), 6, 0, "12345", 1, S("can't happen"));
487     test(S("abcde"), 6, 0, "12345", 2, S("can't happen"));
488     test(S("abcde"), 6, 0, "12345", 4, S("can't happen"));
489     test(S("abcde"), 6, 0, "12345", 5, S("can't happen"));
490     test(S("abcde"), 6, 0, "1234567890", 0, S("can't happen"));
491     test(S("abcde"), 6, 0, "1234567890", 1, S("can't happen"));
492     test(S("abcde"), 6, 0, "1234567890", 5, S("can't happen"));
493     test(S("abcde"), 6, 0, "1234567890", 9, S("can't happen"));
494     test(S("abcde"), 6, 0, "1234567890", 10, S("can't happen"));
495     test(S("abcde"), 6, 0, "12345678901234567890", 0, S("can't happen"));
496     test(S("abcde"), 6, 0, "12345678901234567890", 1, S("can't happen"));
497     test(S("abcde"), 6, 0, "12345678901234567890", 10, S("can't happen"));
498     test(S("abcde"), 6, 0, "12345678901234567890", 19, S("can't happen"));
499     test(S("abcde"), 6, 0, "12345678901234567890", 20, S("can't happen"));
500     test(S("abcdefghij"), 0, 0, "", 0, S("abcdefghij"));
501     test(S("abcdefghij"), 0, 0, "12345", 0, S("abcdefghij"));
502     test(S("abcdefghij"), 0, 0, "12345", 1, S("1abcdefghij"));
503     test(S("abcdefghij"), 0, 0, "12345", 2, S("12abcdefghij"));
504     test(S("abcdefghij"), 0, 0, "12345", 4, S("1234abcdefghij"));
505     test(S("abcdefghij"), 0, 0, "12345", 5, S("12345abcdefghij"));
506     test(S("abcdefghij"), 0, 0, "1234567890", 0, S("abcdefghij"));
507     test(S("abcdefghij"), 0, 0, "1234567890", 1, S("1abcdefghij"));
508     test(S("abcdefghij"), 0, 0, "1234567890", 5, S("12345abcdefghij"));
509     test(S("abcdefghij"), 0, 0, "1234567890", 9, S("123456789abcdefghij"));
510     test(S("abcdefghij"), 0, 0, "1234567890", 10, S("1234567890abcdefghij"));
511     test(S("abcdefghij"), 0, 0, "12345678901234567890", 0, S("abcdefghij"));
512     test(S("abcdefghij"), 0, 0, "12345678901234567890", 1, S("1abcdefghij"));
513     test(S("abcdefghij"), 0, 0, "12345678901234567890", 10, S("1234567890abcdefghij"));
514     test(S("abcdefghij"), 0, 0, "12345678901234567890", 19, S("1234567890123456789abcdefghij"));
515     test(S("abcdefghij"), 0, 0, "12345678901234567890", 20, S("12345678901234567890abcdefghij"));
516     test(S("abcdefghij"), 0, 1, "", 0, S("bcdefghij"));
517     test(S("abcdefghij"), 0, 1, "12345", 0, S("bcdefghij"));
518     test(S("abcdefghij"), 0, 1, "12345", 1, S("1bcdefghij"));
519     test(S("abcdefghij"), 0, 1, "12345", 2, S("12bcdefghij"));
520     test(S("abcdefghij"), 0, 1, "12345", 4, S("1234bcdefghij"));
521     test(S("abcdefghij"), 0, 1, "12345", 5, S("12345bcdefghij"));
522     test(S("abcdefghij"), 0, 1, "1234567890", 0, S("bcdefghij"));
523     test(S("abcdefghij"), 0, 1, "1234567890", 1, S("1bcdefghij"));
524     test(S("abcdefghij"), 0, 1, "1234567890", 5, S("12345bcdefghij"));
525     test(S("abcdefghij"), 0, 1, "1234567890", 9, S("123456789bcdefghij"));
526     test(S("abcdefghij"), 0, 1, "1234567890", 10, S("1234567890bcdefghij"));
527     test(S("abcdefghij"), 0, 1, "12345678901234567890", 0, S("bcdefghij"));
528     test(S("abcdefghij"), 0, 1, "12345678901234567890", 1, S("1bcdefghij"));
529     test(S("abcdefghij"), 0, 1, "12345678901234567890", 10, S("1234567890bcdefghij"));
530     test(S("abcdefghij"), 0, 1, "12345678901234567890", 19, S("1234567890123456789bcdefghij"));
531     test(S("abcdefghij"), 0, 1, "12345678901234567890", 20, S("12345678901234567890bcdefghij"));
532     test(S("abcdefghij"), 0, 5, "", 0, S("fghij"));
533     test(S("abcdefghij"), 0, 5, "12345", 0, S("fghij"));
534     test(S("abcdefghij"), 0, 5, "12345", 1, S("1fghij"));
535     test(S("abcdefghij"), 0, 5, "12345", 2, S("12fghij"));
536     test(S("abcdefghij"), 0, 5, "12345", 4, S("1234fghij"));
537     test(S("abcdefghij"), 0, 5, "12345", 5, S("12345fghij"));
538     test(S("abcdefghij"), 0, 5, "1234567890", 0, S("fghij"));
539     test(S("abcdefghij"), 0, 5, "1234567890", 1, S("1fghij"));
540     test(S("abcdefghij"), 0, 5, "1234567890", 5, S("12345fghij"));
541     test(S("abcdefghij"), 0, 5, "1234567890", 9, S("123456789fghij"));
542     test(S("abcdefghij"), 0, 5, "1234567890", 10, S("1234567890fghij"));
543     test(S("abcdefghij"), 0, 5, "12345678901234567890", 0, S("fghij"));
544     test(S("abcdefghij"), 0, 5, "12345678901234567890", 1, S("1fghij"));
545     test(S("abcdefghij"), 0, 5, "12345678901234567890", 10, S("1234567890fghij"));
546     test(S("abcdefghij"), 0, 5, "12345678901234567890", 19, S("1234567890123456789fghij"));
547     test(S("abcdefghij"), 0, 5, "12345678901234567890", 20, S("12345678901234567890fghij"));
548     test(S("abcdefghij"), 0, 9, "", 0, S("j"));
549     test(S("abcdefghij"), 0, 9, "12345", 0, S("j"));
550     test(S("abcdefghij"), 0, 9, "12345", 1, S("1j"));
551     test(S("abcdefghij"), 0, 9, "12345", 2, S("12j"));
552     test(S("abcdefghij"), 0, 9, "12345", 4, S("1234j"));
553     test(S("abcdefghij"), 0, 9, "12345", 5, S("12345j"));
554     test(S("abcdefghij"), 0, 9, "1234567890", 0, S("j"));
555     test(S("abcdefghij"), 0, 9, "1234567890", 1, S("1j"));
556     test(S("abcdefghij"), 0, 9, "1234567890", 5, S("12345j"));
557     test(S("abcdefghij"), 0, 9, "1234567890", 9, S("123456789j"));
558     test(S("abcdefghij"), 0, 9, "1234567890", 10, S("1234567890j"));
559     test(S("abcdefghij"), 0, 9, "12345678901234567890", 0, S("j"));
560     test(S("abcdefghij"), 0, 9, "12345678901234567890", 1, S("1j"));
561     test(S("abcdefghij"), 0, 9, "12345678901234567890", 10, S("1234567890j"));
562     test(S("abcdefghij"), 0, 9, "12345678901234567890", 19, S("1234567890123456789j"));
563     test(S("abcdefghij"), 0, 9, "12345678901234567890", 20, S("12345678901234567890j"));
564     test(S("abcdefghij"), 0, 10, "", 0, S(""));
565     test(S("abcdefghij"), 0, 10, "12345", 0, S(""));
566     test(S("abcdefghij"), 0, 10, "12345", 1, S("1"));
567     test(S("abcdefghij"), 0, 10, "12345", 2, S("12"));
568     test(S("abcdefghij"), 0, 10, "12345", 4, S("1234"));
569     test(S("abcdefghij"), 0, 10, "12345", 5, S("12345"));
570     test(S("abcdefghij"), 0, 10, "1234567890", 0, S(""));
571     test(S("abcdefghij"), 0, 10, "1234567890", 1, S("1"));
572     test(S("abcdefghij"), 0, 10, "1234567890", 5, S("12345"));
573     test(S("abcdefghij"), 0, 10, "1234567890", 9, S("123456789"));
574     test(S("abcdefghij"), 0, 10, "1234567890", 10, S("1234567890"));
575     test(S("abcdefghij"), 0, 10, "12345678901234567890", 0, S(""));
576     test(S("abcdefghij"), 0, 10, "12345678901234567890", 1, S("1"));
577     test(S("abcdefghij"), 0, 10, "12345678901234567890", 10, S("1234567890"));
578     test(S("abcdefghij"), 0, 10, "12345678901234567890", 19, S("1234567890123456789"));
579     test(S("abcdefghij"), 0, 10, "12345678901234567890", 20, S("12345678901234567890"));
580     test(S("abcdefghij"), 0, 11, "", 0, S(""));
581     test(S("abcdefghij"), 0, 11, "12345", 0, S(""));
582     test(S("abcdefghij"), 0, 11, "12345", 1, S("1"));
583     test(S("abcdefghij"), 0, 11, "12345", 2, S("12"));
584 }
585 
586 template <class S>
test5()587 void test5()
588 {
589     test(S("abcdefghij"), 0, 11, "12345", 4, S("1234"));
590     test(S("abcdefghij"), 0, 11, "12345", 5, S("12345"));
591     test(S("abcdefghij"), 0, 11, "1234567890", 0, S(""));
592     test(S("abcdefghij"), 0, 11, "1234567890", 1, S("1"));
593     test(S("abcdefghij"), 0, 11, "1234567890", 5, S("12345"));
594     test(S("abcdefghij"), 0, 11, "1234567890", 9, S("123456789"));
595     test(S("abcdefghij"), 0, 11, "1234567890", 10, S("1234567890"));
596     test(S("abcdefghij"), 0, 11, "12345678901234567890", 0, S(""));
597     test(S("abcdefghij"), 0, 11, "12345678901234567890", 1, S("1"));
598     test(S("abcdefghij"), 0, 11, "12345678901234567890", 10, S("1234567890"));
599     test(S("abcdefghij"), 0, 11, "12345678901234567890", 19, S("1234567890123456789"));
600     test(S("abcdefghij"), 0, 11, "12345678901234567890", 20, S("12345678901234567890"));
601     test(S("abcdefghij"), 1, 0, "", 0, S("abcdefghij"));
602     test(S("abcdefghij"), 1, 0, "12345", 0, S("abcdefghij"));
603     test(S("abcdefghij"), 1, 0, "12345", 1, S("a1bcdefghij"));
604     test(S("abcdefghij"), 1, 0, "12345", 2, S("a12bcdefghij"));
605     test(S("abcdefghij"), 1, 0, "12345", 4, S("a1234bcdefghij"));
606     test(S("abcdefghij"), 1, 0, "12345", 5, S("a12345bcdefghij"));
607     test(S("abcdefghij"), 1, 0, "1234567890", 0, S("abcdefghij"));
608     test(S("abcdefghij"), 1, 0, "1234567890", 1, S("a1bcdefghij"));
609     test(S("abcdefghij"), 1, 0, "1234567890", 5, S("a12345bcdefghij"));
610     test(S("abcdefghij"), 1, 0, "1234567890", 9, S("a123456789bcdefghij"));
611     test(S("abcdefghij"), 1, 0, "1234567890", 10, S("a1234567890bcdefghij"));
612     test(S("abcdefghij"), 1, 0, "12345678901234567890", 0, S("abcdefghij"));
613     test(S("abcdefghij"), 1, 0, "12345678901234567890", 1, S("a1bcdefghij"));
614     test(S("abcdefghij"), 1, 0, "12345678901234567890", 10, S("a1234567890bcdefghij"));
615     test(S("abcdefghij"), 1, 0, "12345678901234567890", 19, S("a1234567890123456789bcdefghij"));
616     test(S("abcdefghij"), 1, 0, "12345678901234567890", 20, S("a12345678901234567890bcdefghij"));
617     test(S("abcdefghij"), 1, 1, "", 0, S("acdefghij"));
618     test(S("abcdefghij"), 1, 1, "12345", 0, S("acdefghij"));
619     test(S("abcdefghij"), 1, 1, "12345", 1, S("a1cdefghij"));
620     test(S("abcdefghij"), 1, 1, "12345", 2, S("a12cdefghij"));
621     test(S("abcdefghij"), 1, 1, "12345", 4, S("a1234cdefghij"));
622     test(S("abcdefghij"), 1, 1, "12345", 5, S("a12345cdefghij"));
623     test(S("abcdefghij"), 1, 1, "1234567890", 0, S("acdefghij"));
624     test(S("abcdefghij"), 1, 1, "1234567890", 1, S("a1cdefghij"));
625     test(S("abcdefghij"), 1, 1, "1234567890", 5, S("a12345cdefghij"));
626     test(S("abcdefghij"), 1, 1, "1234567890", 9, S("a123456789cdefghij"));
627     test(S("abcdefghij"), 1, 1, "1234567890", 10, S("a1234567890cdefghij"));
628     test(S("abcdefghij"), 1, 1, "12345678901234567890", 0, S("acdefghij"));
629     test(S("abcdefghij"), 1, 1, "12345678901234567890", 1, S("a1cdefghij"));
630     test(S("abcdefghij"), 1, 1, "12345678901234567890", 10, S("a1234567890cdefghij"));
631     test(S("abcdefghij"), 1, 1, "12345678901234567890", 19, S("a1234567890123456789cdefghij"));
632     test(S("abcdefghij"), 1, 1, "12345678901234567890", 20, S("a12345678901234567890cdefghij"));
633     test(S("abcdefghij"), 1, 4, "", 0, S("afghij"));
634     test(S("abcdefghij"), 1, 4, "12345", 0, S("afghij"));
635     test(S("abcdefghij"), 1, 4, "12345", 1, S("a1fghij"));
636     test(S("abcdefghij"), 1, 4, "12345", 2, S("a12fghij"));
637     test(S("abcdefghij"), 1, 4, "12345", 4, S("a1234fghij"));
638     test(S("abcdefghij"), 1, 4, "12345", 5, S("a12345fghij"));
639     test(S("abcdefghij"), 1, 4, "1234567890", 0, S("afghij"));
640     test(S("abcdefghij"), 1, 4, "1234567890", 1, S("a1fghij"));
641     test(S("abcdefghij"), 1, 4, "1234567890", 5, S("a12345fghij"));
642     test(S("abcdefghij"), 1, 4, "1234567890", 9, S("a123456789fghij"));
643     test(S("abcdefghij"), 1, 4, "1234567890", 10, S("a1234567890fghij"));
644     test(S("abcdefghij"), 1, 4, "12345678901234567890", 0, S("afghij"));
645     test(S("abcdefghij"), 1, 4, "12345678901234567890", 1, S("a1fghij"));
646     test(S("abcdefghij"), 1, 4, "12345678901234567890", 10, S("a1234567890fghij"));
647     test(S("abcdefghij"), 1, 4, "12345678901234567890", 19, S("a1234567890123456789fghij"));
648     test(S("abcdefghij"), 1, 4, "12345678901234567890", 20, S("a12345678901234567890fghij"));
649     test(S("abcdefghij"), 1, 8, "", 0, S("aj"));
650     test(S("abcdefghij"), 1, 8, "12345", 0, S("aj"));
651     test(S("abcdefghij"), 1, 8, "12345", 1, S("a1j"));
652     test(S("abcdefghij"), 1, 8, "12345", 2, S("a12j"));
653     test(S("abcdefghij"), 1, 8, "12345", 4, S("a1234j"));
654     test(S("abcdefghij"), 1, 8, "12345", 5, S("a12345j"));
655     test(S("abcdefghij"), 1, 8, "1234567890", 0, S("aj"));
656     test(S("abcdefghij"), 1, 8, "1234567890", 1, S("a1j"));
657     test(S("abcdefghij"), 1, 8, "1234567890", 5, S("a12345j"));
658     test(S("abcdefghij"), 1, 8, "1234567890", 9, S("a123456789j"));
659     test(S("abcdefghij"), 1, 8, "1234567890", 10, S("a1234567890j"));
660     test(S("abcdefghij"), 1, 8, "12345678901234567890", 0, S("aj"));
661     test(S("abcdefghij"), 1, 8, "12345678901234567890", 1, S("a1j"));
662     test(S("abcdefghij"), 1, 8, "12345678901234567890", 10, S("a1234567890j"));
663     test(S("abcdefghij"), 1, 8, "12345678901234567890", 19, S("a1234567890123456789j"));
664     test(S("abcdefghij"), 1, 8, "12345678901234567890", 20, S("a12345678901234567890j"));
665     test(S("abcdefghij"), 1, 9, "", 0, S("a"));
666     test(S("abcdefghij"), 1, 9, "12345", 0, S("a"));
667     test(S("abcdefghij"), 1, 9, "12345", 1, S("a1"));
668     test(S("abcdefghij"), 1, 9, "12345", 2, S("a12"));
669     test(S("abcdefghij"), 1, 9, "12345", 4, S("a1234"));
670     test(S("abcdefghij"), 1, 9, "12345", 5, S("a12345"));
671     test(S("abcdefghij"), 1, 9, "1234567890", 0, S("a"));
672     test(S("abcdefghij"), 1, 9, "1234567890", 1, S("a1"));
673     test(S("abcdefghij"), 1, 9, "1234567890", 5, S("a12345"));
674     test(S("abcdefghij"), 1, 9, "1234567890", 9, S("a123456789"));
675     test(S("abcdefghij"), 1, 9, "1234567890", 10, S("a1234567890"));
676     test(S("abcdefghij"), 1, 9, "12345678901234567890", 0, S("a"));
677     test(S("abcdefghij"), 1, 9, "12345678901234567890", 1, S("a1"));
678     test(S("abcdefghij"), 1, 9, "12345678901234567890", 10, S("a1234567890"));
679     test(S("abcdefghij"), 1, 9, "12345678901234567890", 19, S("a1234567890123456789"));
680     test(S("abcdefghij"), 1, 9, "12345678901234567890", 20, S("a12345678901234567890"));
681     test(S("abcdefghij"), 1, 10, "", 0, S("a"));
682     test(S("abcdefghij"), 1, 10, "12345", 0, S("a"));
683     test(S("abcdefghij"), 1, 10, "12345", 1, S("a1"));
684     test(S("abcdefghij"), 1, 10, "12345", 2, S("a12"));
685     test(S("abcdefghij"), 1, 10, "12345", 4, S("a1234"));
686     test(S("abcdefghij"), 1, 10, "12345", 5, S("a12345"));
687     test(S("abcdefghij"), 1, 10, "1234567890", 0, S("a"));
688     test(S("abcdefghij"), 1, 10, "1234567890", 1, S("a1"));
689 }
690 
691 template <class S>
test6()692 void test6()
693 {
694     test(S("abcdefghij"), 1, 10, "1234567890", 5, S("a12345"));
695     test(S("abcdefghij"), 1, 10, "1234567890", 9, S("a123456789"));
696     test(S("abcdefghij"), 1, 10, "1234567890", 10, S("a1234567890"));
697     test(S("abcdefghij"), 1, 10, "12345678901234567890", 0, S("a"));
698     test(S("abcdefghij"), 1, 10, "12345678901234567890", 1, S("a1"));
699     test(S("abcdefghij"), 1, 10, "12345678901234567890", 10, S("a1234567890"));
700     test(S("abcdefghij"), 1, 10, "12345678901234567890", 19, S("a1234567890123456789"));
701     test(S("abcdefghij"), 1, 10, "12345678901234567890", 20, S("a12345678901234567890"));
702     test(S("abcdefghij"), 5, 0, "", 0, S("abcdefghij"));
703     test(S("abcdefghij"), 5, 0, "12345", 0, S("abcdefghij"));
704     test(S("abcdefghij"), 5, 0, "12345", 1, S("abcde1fghij"));
705     test(S("abcdefghij"), 5, 0, "12345", 2, S("abcde12fghij"));
706     test(S("abcdefghij"), 5, 0, "12345", 4, S("abcde1234fghij"));
707     test(S("abcdefghij"), 5, 0, "12345", 5, S("abcde12345fghij"));
708     test(S("abcdefghij"), 5, 0, "1234567890", 0, S("abcdefghij"));
709     test(S("abcdefghij"), 5, 0, "1234567890", 1, S("abcde1fghij"));
710     test(S("abcdefghij"), 5, 0, "1234567890", 5, S("abcde12345fghij"));
711     test(S("abcdefghij"), 5, 0, "1234567890", 9, S("abcde123456789fghij"));
712     test(S("abcdefghij"), 5, 0, "1234567890", 10, S("abcde1234567890fghij"));
713     test(S("abcdefghij"), 5, 0, "12345678901234567890", 0, S("abcdefghij"));
714     test(S("abcdefghij"), 5, 0, "12345678901234567890", 1, S("abcde1fghij"));
715     test(S("abcdefghij"), 5, 0, "12345678901234567890", 10, S("abcde1234567890fghij"));
716     test(S("abcdefghij"), 5, 0, "12345678901234567890", 19, S("abcde1234567890123456789fghij"));
717     test(S("abcdefghij"), 5, 0, "12345678901234567890", 20, S("abcde12345678901234567890fghij"));
718     test(S("abcdefghij"), 5, 1, "", 0, S("abcdeghij"));
719     test(S("abcdefghij"), 5, 1, "12345", 0, S("abcdeghij"));
720     test(S("abcdefghij"), 5, 1, "12345", 1, S("abcde1ghij"));
721     test(S("abcdefghij"), 5, 1, "12345", 2, S("abcde12ghij"));
722     test(S("abcdefghij"), 5, 1, "12345", 4, S("abcde1234ghij"));
723     test(S("abcdefghij"), 5, 1, "12345", 5, S("abcde12345ghij"));
724     test(S("abcdefghij"), 5, 1, "1234567890", 0, S("abcdeghij"));
725     test(S("abcdefghij"), 5, 1, "1234567890", 1, S("abcde1ghij"));
726     test(S("abcdefghij"), 5, 1, "1234567890", 5, S("abcde12345ghij"));
727     test(S("abcdefghij"), 5, 1, "1234567890", 9, S("abcde123456789ghij"));
728     test(S("abcdefghij"), 5, 1, "1234567890", 10, S("abcde1234567890ghij"));
729     test(S("abcdefghij"), 5, 1, "12345678901234567890", 0, S("abcdeghij"));
730     test(S("abcdefghij"), 5, 1, "12345678901234567890", 1, S("abcde1ghij"));
731     test(S("abcdefghij"), 5, 1, "12345678901234567890", 10, S("abcde1234567890ghij"));
732     test(S("abcdefghij"), 5, 1, "12345678901234567890", 19, S("abcde1234567890123456789ghij"));
733     test(S("abcdefghij"), 5, 1, "12345678901234567890", 20, S("abcde12345678901234567890ghij"));
734     test(S("abcdefghij"), 5, 2, "", 0, S("abcdehij"));
735     test(S("abcdefghij"), 5, 2, "12345", 0, S("abcdehij"));
736     test(S("abcdefghij"), 5, 2, "12345", 1, S("abcde1hij"));
737     test(S("abcdefghij"), 5, 2, "12345", 2, S("abcde12hij"));
738     test(S("abcdefghij"), 5, 2, "12345", 4, S("abcde1234hij"));
739     test(S("abcdefghij"), 5, 2, "12345", 5, S("abcde12345hij"));
740     test(S("abcdefghij"), 5, 2, "1234567890", 0, S("abcdehij"));
741     test(S("abcdefghij"), 5, 2, "1234567890", 1, S("abcde1hij"));
742     test(S("abcdefghij"), 5, 2, "1234567890", 5, S("abcde12345hij"));
743     test(S("abcdefghij"), 5, 2, "1234567890", 9, S("abcde123456789hij"));
744     test(S("abcdefghij"), 5, 2, "1234567890", 10, S("abcde1234567890hij"));
745     test(S("abcdefghij"), 5, 2, "12345678901234567890", 0, S("abcdehij"));
746     test(S("abcdefghij"), 5, 2, "12345678901234567890", 1, S("abcde1hij"));
747     test(S("abcdefghij"), 5, 2, "12345678901234567890", 10, S("abcde1234567890hij"));
748     test(S("abcdefghij"), 5, 2, "12345678901234567890", 19, S("abcde1234567890123456789hij"));
749     test(S("abcdefghij"), 5, 2, "12345678901234567890", 20, S("abcde12345678901234567890hij"));
750     test(S("abcdefghij"), 5, 4, "", 0, S("abcdej"));
751     test(S("abcdefghij"), 5, 4, "12345", 0, S("abcdej"));
752     test(S("abcdefghij"), 5, 4, "12345", 1, S("abcde1j"));
753     test(S("abcdefghij"), 5, 4, "12345", 2, S("abcde12j"));
754     test(S("abcdefghij"), 5, 4, "12345", 4, S("abcde1234j"));
755     test(S("abcdefghij"), 5, 4, "12345", 5, S("abcde12345j"));
756     test(S("abcdefghij"), 5, 4, "1234567890", 0, S("abcdej"));
757     test(S("abcdefghij"), 5, 4, "1234567890", 1, S("abcde1j"));
758     test(S("abcdefghij"), 5, 4, "1234567890", 5, S("abcde12345j"));
759     test(S("abcdefghij"), 5, 4, "1234567890", 9, S("abcde123456789j"));
760     test(S("abcdefghij"), 5, 4, "1234567890", 10, S("abcde1234567890j"));
761     test(S("abcdefghij"), 5, 4, "12345678901234567890", 0, S("abcdej"));
762     test(S("abcdefghij"), 5, 4, "12345678901234567890", 1, S("abcde1j"));
763     test(S("abcdefghij"), 5, 4, "12345678901234567890", 10, S("abcde1234567890j"));
764     test(S("abcdefghij"), 5, 4, "12345678901234567890", 19, S("abcde1234567890123456789j"));
765     test(S("abcdefghij"), 5, 4, "12345678901234567890", 20, S("abcde12345678901234567890j"));
766     test(S("abcdefghij"), 5, 5, "", 0, S("abcde"));
767     test(S("abcdefghij"), 5, 5, "12345", 0, S("abcde"));
768     test(S("abcdefghij"), 5, 5, "12345", 1, S("abcde1"));
769     test(S("abcdefghij"), 5, 5, "12345", 2, S("abcde12"));
770     test(S("abcdefghij"), 5, 5, "12345", 4, S("abcde1234"));
771     test(S("abcdefghij"), 5, 5, "12345", 5, S("abcde12345"));
772     test(S("abcdefghij"), 5, 5, "1234567890", 0, S("abcde"));
773     test(S("abcdefghij"), 5, 5, "1234567890", 1, S("abcde1"));
774     test(S("abcdefghij"), 5, 5, "1234567890", 5, S("abcde12345"));
775     test(S("abcdefghij"), 5, 5, "1234567890", 9, S("abcde123456789"));
776     test(S("abcdefghij"), 5, 5, "1234567890", 10, S("abcde1234567890"));
777     test(S("abcdefghij"), 5, 5, "12345678901234567890", 0, S("abcde"));
778     test(S("abcdefghij"), 5, 5, "12345678901234567890", 1, S("abcde1"));
779     test(S("abcdefghij"), 5, 5, "12345678901234567890", 10, S("abcde1234567890"));
780     test(S("abcdefghij"), 5, 5, "12345678901234567890", 19, S("abcde1234567890123456789"));
781     test(S("abcdefghij"), 5, 5, "12345678901234567890", 20, S("abcde12345678901234567890"));
782     test(S("abcdefghij"), 5, 6, "", 0, S("abcde"));
783     test(S("abcdefghij"), 5, 6, "12345", 0, S("abcde"));
784     test(S("abcdefghij"), 5, 6, "12345", 1, S("abcde1"));
785     test(S("abcdefghij"), 5, 6, "12345", 2, S("abcde12"));
786     test(S("abcdefghij"), 5, 6, "12345", 4, S("abcde1234"));
787     test(S("abcdefghij"), 5, 6, "12345", 5, S("abcde12345"));
788     test(S("abcdefghij"), 5, 6, "1234567890", 0, S("abcde"));
789     test(S("abcdefghij"), 5, 6, "1234567890", 1, S("abcde1"));
790     test(S("abcdefghij"), 5, 6, "1234567890", 5, S("abcde12345"));
791     test(S("abcdefghij"), 5, 6, "1234567890", 9, S("abcde123456789"));
792     test(S("abcdefghij"), 5, 6, "1234567890", 10, S("abcde1234567890"));
793     test(S("abcdefghij"), 5, 6, "12345678901234567890", 0, S("abcde"));
794 }
795 
796 template <class S>
test7()797 void test7()
798 {
799     test(S("abcdefghij"), 5, 6, "12345678901234567890", 1, S("abcde1"));
800     test(S("abcdefghij"), 5, 6, "12345678901234567890", 10, S("abcde1234567890"));
801     test(S("abcdefghij"), 5, 6, "12345678901234567890", 19, S("abcde1234567890123456789"));
802     test(S("abcdefghij"), 5, 6, "12345678901234567890", 20, S("abcde12345678901234567890"));
803     test(S("abcdefghij"), 9, 0, "", 0, S("abcdefghij"));
804     test(S("abcdefghij"), 9, 0, "12345", 0, S("abcdefghij"));
805     test(S("abcdefghij"), 9, 0, "12345", 1, S("abcdefghi1j"));
806     test(S("abcdefghij"), 9, 0, "12345", 2, S("abcdefghi12j"));
807     test(S("abcdefghij"), 9, 0, "12345", 4, S("abcdefghi1234j"));
808     test(S("abcdefghij"), 9, 0, "12345", 5, S("abcdefghi12345j"));
809     test(S("abcdefghij"), 9, 0, "1234567890", 0, S("abcdefghij"));
810     test(S("abcdefghij"), 9, 0, "1234567890", 1, S("abcdefghi1j"));
811     test(S("abcdefghij"), 9, 0, "1234567890", 5, S("abcdefghi12345j"));
812     test(S("abcdefghij"), 9, 0, "1234567890", 9, S("abcdefghi123456789j"));
813     test(S("abcdefghij"), 9, 0, "1234567890", 10, S("abcdefghi1234567890j"));
814     test(S("abcdefghij"), 9, 0, "12345678901234567890", 0, S("abcdefghij"));
815     test(S("abcdefghij"), 9, 0, "12345678901234567890", 1, S("abcdefghi1j"));
816     test(S("abcdefghij"), 9, 0, "12345678901234567890", 10, S("abcdefghi1234567890j"));
817     test(S("abcdefghij"), 9, 0, "12345678901234567890", 19, S("abcdefghi1234567890123456789j"));
818     test(S("abcdefghij"), 9, 0, "12345678901234567890", 20, S("abcdefghi12345678901234567890j"));
819     test(S("abcdefghij"), 9, 1, "", 0, S("abcdefghi"));
820     test(S("abcdefghij"), 9, 1, "12345", 0, S("abcdefghi"));
821     test(S("abcdefghij"), 9, 1, "12345", 1, S("abcdefghi1"));
822     test(S("abcdefghij"), 9, 1, "12345", 2, S("abcdefghi12"));
823     test(S("abcdefghij"), 9, 1, "12345", 4, S("abcdefghi1234"));
824     test(S("abcdefghij"), 9, 1, "12345", 5, S("abcdefghi12345"));
825     test(S("abcdefghij"), 9, 1, "1234567890", 0, S("abcdefghi"));
826     test(S("abcdefghij"), 9, 1, "1234567890", 1, S("abcdefghi1"));
827     test(S("abcdefghij"), 9, 1, "1234567890", 5, S("abcdefghi12345"));
828     test(S("abcdefghij"), 9, 1, "1234567890", 9, S("abcdefghi123456789"));
829     test(S("abcdefghij"), 9, 1, "1234567890", 10, S("abcdefghi1234567890"));
830     test(S("abcdefghij"), 9, 1, "12345678901234567890", 0, S("abcdefghi"));
831     test(S("abcdefghij"), 9, 1, "12345678901234567890", 1, S("abcdefghi1"));
832     test(S("abcdefghij"), 9, 1, "12345678901234567890", 10, S("abcdefghi1234567890"));
833     test(S("abcdefghij"), 9, 1, "12345678901234567890", 19, S("abcdefghi1234567890123456789"));
834     test(S("abcdefghij"), 9, 1, "12345678901234567890", 20, S("abcdefghi12345678901234567890"));
835     test(S("abcdefghij"), 9, 2, "", 0, S("abcdefghi"));
836     test(S("abcdefghij"), 9, 2, "12345", 0, S("abcdefghi"));
837     test(S("abcdefghij"), 9, 2, "12345", 1, S("abcdefghi1"));
838     test(S("abcdefghij"), 9, 2, "12345", 2, S("abcdefghi12"));
839     test(S("abcdefghij"), 9, 2, "12345", 4, S("abcdefghi1234"));
840     test(S("abcdefghij"), 9, 2, "12345", 5, S("abcdefghi12345"));
841     test(S("abcdefghij"), 9, 2, "1234567890", 0, S("abcdefghi"));
842     test(S("abcdefghij"), 9, 2, "1234567890", 1, S("abcdefghi1"));
843     test(S("abcdefghij"), 9, 2, "1234567890", 5, S("abcdefghi12345"));
844     test(S("abcdefghij"), 9, 2, "1234567890", 9, S("abcdefghi123456789"));
845     test(S("abcdefghij"), 9, 2, "1234567890", 10, S("abcdefghi1234567890"));
846     test(S("abcdefghij"), 9, 2, "12345678901234567890", 0, S("abcdefghi"));
847     test(S("abcdefghij"), 9, 2, "12345678901234567890", 1, S("abcdefghi1"));
848     test(S("abcdefghij"), 9, 2, "12345678901234567890", 10, S("abcdefghi1234567890"));
849     test(S("abcdefghij"), 9, 2, "12345678901234567890", 19, S("abcdefghi1234567890123456789"));
850     test(S("abcdefghij"), 9, 2, "12345678901234567890", 20, S("abcdefghi12345678901234567890"));
851     test(S("abcdefghij"), 10, 0, "", 0, S("abcdefghij"));
852     test(S("abcdefghij"), 10, 0, "12345", 0, S("abcdefghij"));
853     test(S("abcdefghij"), 10, 0, "12345", 1, S("abcdefghij1"));
854     test(S("abcdefghij"), 10, 0, "12345", 2, S("abcdefghij12"));
855     test(S("abcdefghij"), 10, 0, "12345", 4, S("abcdefghij1234"));
856     test(S("abcdefghij"), 10, 0, "12345", 5, S("abcdefghij12345"));
857     test(S("abcdefghij"), 10, 0, "1234567890", 0, S("abcdefghij"));
858     test(S("abcdefghij"), 10, 0, "1234567890", 1, S("abcdefghij1"));
859     test(S("abcdefghij"), 10, 0, "1234567890", 5, S("abcdefghij12345"));
860     test(S("abcdefghij"), 10, 0, "1234567890", 9, S("abcdefghij123456789"));
861     test(S("abcdefghij"), 10, 0, "1234567890", 10, S("abcdefghij1234567890"));
862     test(S("abcdefghij"), 10, 0, "12345678901234567890", 0, S("abcdefghij"));
863     test(S("abcdefghij"), 10, 0, "12345678901234567890", 1, S("abcdefghij1"));
864     test(S("abcdefghij"), 10, 0, "12345678901234567890", 10, S("abcdefghij1234567890"));
865     test(S("abcdefghij"), 10, 0, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
866     test(S("abcdefghij"), 10, 0, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
867     test(S("abcdefghij"), 10, 1, "", 0, S("abcdefghij"));
868     test(S("abcdefghij"), 10, 1, "12345", 0, S("abcdefghij"));
869     test(S("abcdefghij"), 10, 1, "12345", 1, S("abcdefghij1"));
870     test(S("abcdefghij"), 10, 1, "12345", 2, S("abcdefghij12"));
871     test(S("abcdefghij"), 10, 1, "12345", 4, S("abcdefghij1234"));
872     test(S("abcdefghij"), 10, 1, "12345", 5, S("abcdefghij12345"));
873     test(S("abcdefghij"), 10, 1, "1234567890", 0, S("abcdefghij"));
874     test(S("abcdefghij"), 10, 1, "1234567890", 1, S("abcdefghij1"));
875     test(S("abcdefghij"), 10, 1, "1234567890", 5, S("abcdefghij12345"));
876     test(S("abcdefghij"), 10, 1, "1234567890", 9, S("abcdefghij123456789"));
877     test(S("abcdefghij"), 10, 1, "1234567890", 10, S("abcdefghij1234567890"));
878     test(S("abcdefghij"), 10, 1, "12345678901234567890", 0, S("abcdefghij"));
879     test(S("abcdefghij"), 10, 1, "12345678901234567890", 1, S("abcdefghij1"));
880     test(S("abcdefghij"), 10, 1, "12345678901234567890", 10, S("abcdefghij1234567890"));
881     test(S("abcdefghij"), 10, 1, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
882     test(S("abcdefghij"), 10, 1, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
883     test(S("abcdefghij"), 11, 0, "", 0, S("can't happen"));
884     test(S("abcdefghij"), 11, 0, "12345", 0, S("can't happen"));
885     test(S("abcdefghij"), 11, 0, "12345", 1, S("can't happen"));
886     test(S("abcdefghij"), 11, 0, "12345", 2, S("can't happen"));
887     test(S("abcdefghij"), 11, 0, "12345", 4, S("can't happen"));
888     test(S("abcdefghij"), 11, 0, "12345", 5, S("can't happen"));
889     test(S("abcdefghij"), 11, 0, "1234567890", 0, S("can't happen"));
890     test(S("abcdefghij"), 11, 0, "1234567890", 1, S("can't happen"));
891     test(S("abcdefghij"), 11, 0, "1234567890", 5, S("can't happen"));
892     test(S("abcdefghij"), 11, 0, "1234567890", 9, S("can't happen"));
893     test(S("abcdefghij"), 11, 0, "1234567890", 10, S("can't happen"));
894     test(S("abcdefghij"), 11, 0, "12345678901234567890", 0, S("can't happen"));
895     test(S("abcdefghij"), 11, 0, "12345678901234567890", 1, S("can't happen"));
896     test(S("abcdefghij"), 11, 0, "12345678901234567890", 10, S("can't happen"));
897     test(S("abcdefghij"), 11, 0, "12345678901234567890", 19, S("can't happen"));
898     test(S("abcdefghij"), 11, 0, "12345678901234567890", 20, S("can't happen"));
899 }
900 
901 template <class S>
test8()902 void test8()
903 {
904     test(S("abcdefghijklmnopqrst"), 0, 0, "", 0, S("abcdefghijklmnopqrst"));
905     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 0, S("abcdefghijklmnopqrst"));
906     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 1, S("1abcdefghijklmnopqrst"));
907     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 2, S("12abcdefghijklmnopqrst"));
908     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 4, S("1234abcdefghijklmnopqrst"));
909     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 5, S("12345abcdefghijklmnopqrst"));
910     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
911     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 1, S("1abcdefghijklmnopqrst"));
912     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 5, S("12345abcdefghijklmnopqrst"));
913     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 9, S("123456789abcdefghijklmnopqrst"));
914     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 10, S("1234567890abcdefghijklmnopqrst"));
915     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
916     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 1, S("1abcdefghijklmnopqrst"));
917     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 10, S("1234567890abcdefghijklmnopqrst"));
918     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 19, S("1234567890123456789abcdefghijklmnopqrst"));
919     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 20, S("12345678901234567890abcdefghijklmnopqrst"));
920     test(S("abcdefghijklmnopqrst"), 0, 1, "", 0, S("bcdefghijklmnopqrst"));
921     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 0, S("bcdefghijklmnopqrst"));
922     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 1, S("1bcdefghijklmnopqrst"));
923     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 2, S("12bcdefghijklmnopqrst"));
924     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 4, S("1234bcdefghijklmnopqrst"));
925     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 5, S("12345bcdefghijklmnopqrst"));
926     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 0, S("bcdefghijklmnopqrst"));
927     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 1, S("1bcdefghijklmnopqrst"));
928     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 5, S("12345bcdefghijklmnopqrst"));
929     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 9, S("123456789bcdefghijklmnopqrst"));
930     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 10, S("1234567890bcdefghijklmnopqrst"));
931     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 0, S("bcdefghijklmnopqrst"));
932     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 1, S("1bcdefghijklmnopqrst"));
933     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 10, S("1234567890bcdefghijklmnopqrst"));
934     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 19, S("1234567890123456789bcdefghijklmnopqrst"));
935     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 20, S("12345678901234567890bcdefghijklmnopqrst"));
936     test(S("abcdefghijklmnopqrst"), 0, 10, "", 0, S("klmnopqrst"));
937     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 0, S("klmnopqrst"));
938     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 1, S("1klmnopqrst"));
939     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 2, S("12klmnopqrst"));
940     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 4, S("1234klmnopqrst"));
941     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 5, S("12345klmnopqrst"));
942     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 0, S("klmnopqrst"));
943     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 1, S("1klmnopqrst"));
944     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 5, S("12345klmnopqrst"));
945     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 9, S("123456789klmnopqrst"));
946     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 10, S("1234567890klmnopqrst"));
947     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 0, S("klmnopqrst"));
948     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 1, S("1klmnopqrst"));
949     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 10, S("1234567890klmnopqrst"));
950     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 19, S("1234567890123456789klmnopqrst"));
951     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 20, S("12345678901234567890klmnopqrst"));
952     test(S("abcdefghijklmnopqrst"), 0, 19, "", 0, S("t"));
953     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 0, S("t"));
954     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 1, S("1t"));
955     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 2, S("12t"));
956     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 4, S("1234t"));
957     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 5, S("12345t"));
958     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 0, S("t"));
959     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 1, S("1t"));
960     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 5, S("12345t"));
961     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 9, S("123456789t"));
962     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 10, S("1234567890t"));
963     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 0, S("t"));
964     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 1, S("1t"));
965     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 10, S("1234567890t"));
966     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 19, S("1234567890123456789t"));
967     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 20, S("12345678901234567890t"));
968     test(S("abcdefghijklmnopqrst"), 0, 20, "", 0, S(""));
969     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 0, S(""));
970     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 1, S("1"));
971     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 2, S("12"));
972     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 4, S("1234"));
973     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 5, S("12345"));
974     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 0, S(""));
975     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 1, S("1"));
976     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 5, S("12345"));
977     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 9, S("123456789"));
978     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 10, S("1234567890"));
979     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 0, S(""));
980     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 1, S("1"));
981     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 10, S("1234567890"));
982     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 19, S("1234567890123456789"));
983     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 20, S("12345678901234567890"));
984     test(S("abcdefghijklmnopqrst"), 0, 21, "", 0, S(""));
985     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 0, S(""));
986     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 1, S("1"));
987     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 2, S("12"));
988     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 4, S("1234"));
989     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 5, S("12345"));
990     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 0, S(""));
991     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 1, S("1"));
992     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 5, S("12345"));
993     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 9, S("123456789"));
994     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 10, S("1234567890"));
995     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 0, S(""));
996     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 1, S("1"));
997     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 10, S("1234567890"));
998     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 19, S("1234567890123456789"));
999     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 20, S("12345678901234567890"));
1000     test(S("abcdefghijklmnopqrst"), 1, 0, "", 0, S("abcdefghijklmnopqrst"));
1001     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1002     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 1, S("a1bcdefghijklmnopqrst"));
1003     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 2, S("a12bcdefghijklmnopqrst"));
1004 }
1005 
1006 template <class S>
test9()1007 void test9()
1008 {
1009     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 4, S("a1234bcdefghijklmnopqrst"));
1010     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 5, S("a12345bcdefghijklmnopqrst"));
1011     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1012     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 1, S("a1bcdefghijklmnopqrst"));
1013     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 5, S("a12345bcdefghijklmnopqrst"));
1014     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 9, S("a123456789bcdefghijklmnopqrst"));
1015     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
1016     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1017     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 1, S("a1bcdefghijklmnopqrst"));
1018     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
1019     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 19, S("a1234567890123456789bcdefghijklmnopqrst"));
1020     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 20, S("a12345678901234567890bcdefghijklmnopqrst"));
1021     test(S("abcdefghijklmnopqrst"), 1, 1, "", 0, S("acdefghijklmnopqrst"));
1022     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 0, S("acdefghijklmnopqrst"));
1023     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 1, S("a1cdefghijklmnopqrst"));
1024     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 2, S("a12cdefghijklmnopqrst"));
1025     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 4, S("a1234cdefghijklmnopqrst"));
1026     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 5, S("a12345cdefghijklmnopqrst"));
1027     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 0, S("acdefghijklmnopqrst"));
1028     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 1, S("a1cdefghijklmnopqrst"));
1029     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 5, S("a12345cdefghijklmnopqrst"));
1030     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 9, S("a123456789cdefghijklmnopqrst"));
1031     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 10, S("a1234567890cdefghijklmnopqrst"));
1032     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 0, S("acdefghijklmnopqrst"));
1033     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 1, S("a1cdefghijklmnopqrst"));
1034     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 10, S("a1234567890cdefghijklmnopqrst"));
1035     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 19, S("a1234567890123456789cdefghijklmnopqrst"));
1036     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 20, S("a12345678901234567890cdefghijklmnopqrst"));
1037     test(S("abcdefghijklmnopqrst"), 1, 9, "", 0, S("aklmnopqrst"));
1038     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 0, S("aklmnopqrst"));
1039     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 1, S("a1klmnopqrst"));
1040     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 2, S("a12klmnopqrst"));
1041     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 4, S("a1234klmnopqrst"));
1042     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 5, S("a12345klmnopqrst"));
1043     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 0, S("aklmnopqrst"));
1044     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 1, S("a1klmnopqrst"));
1045     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 5, S("a12345klmnopqrst"));
1046     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 9, S("a123456789klmnopqrst"));
1047     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 10, S("a1234567890klmnopqrst"));
1048     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 0, S("aklmnopqrst"));
1049     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 1, S("a1klmnopqrst"));
1050     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 10, S("a1234567890klmnopqrst"));
1051     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 19, S("a1234567890123456789klmnopqrst"));
1052     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 20, S("a12345678901234567890klmnopqrst"));
1053     test(S("abcdefghijklmnopqrst"), 1, 18, "", 0, S("at"));
1054     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 0, S("at"));
1055     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 1, S("a1t"));
1056     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 2, S("a12t"));
1057     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 4, S("a1234t"));
1058     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 5, S("a12345t"));
1059     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 0, S("at"));
1060     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 1, S("a1t"));
1061     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 5, S("a12345t"));
1062     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 9, S("a123456789t"));
1063     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 10, S("a1234567890t"));
1064     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 0, S("at"));
1065     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 1, S("a1t"));
1066     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 10, S("a1234567890t"));
1067     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 19, S("a1234567890123456789t"));
1068     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 20, S("a12345678901234567890t"));
1069     test(S("abcdefghijklmnopqrst"), 1, 19, "", 0, S("a"));
1070     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 0, S("a"));
1071     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 1, S("a1"));
1072     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 2, S("a12"));
1073     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 4, S("a1234"));
1074     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 5, S("a12345"));
1075     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 0, S("a"));
1076     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 1, S("a1"));
1077     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 5, S("a12345"));
1078     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 9, S("a123456789"));
1079     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 10, S("a1234567890"));
1080     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 0, S("a"));
1081     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 1, S("a1"));
1082     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 10, S("a1234567890"));
1083     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 19, S("a1234567890123456789"));
1084     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 20, S("a12345678901234567890"));
1085     test(S("abcdefghijklmnopqrst"), 1, 20, "", 0, S("a"));
1086     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 0, S("a"));
1087     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 1, S("a1"));
1088     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 2, S("a12"));
1089     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 4, S("a1234"));
1090     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 5, S("a12345"));
1091     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 0, S("a"));
1092     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 1, S("a1"));
1093     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 5, S("a12345"));
1094     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 9, S("a123456789"));
1095     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 10, S("a1234567890"));
1096     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 0, S("a"));
1097     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 1, S("a1"));
1098     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 10, S("a1234567890"));
1099     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 19, S("a1234567890123456789"));
1100     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 20, S("a12345678901234567890"));
1101     test(S("abcdefghijklmnopqrst"), 10, 0, "", 0, S("abcdefghijklmnopqrst"));
1102     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1103     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 1, S("abcdefghij1klmnopqrst"));
1104     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 2, S("abcdefghij12klmnopqrst"));
1105     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 4, S("abcdefghij1234klmnopqrst"));
1106     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 5, S("abcdefghij12345klmnopqrst"));
1107     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1108     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 1, S("abcdefghij1klmnopqrst"));
1109 }
1110 
1111 template <class S>
test10()1112 void test10()
1113 {
1114     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 5, S("abcdefghij12345klmnopqrst"));
1115     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 9, S("abcdefghij123456789klmnopqrst"));
1116     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 10, S("abcdefghij1234567890klmnopqrst"));
1117     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1118     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 1, S("abcdefghij1klmnopqrst"));
1119     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 10, S("abcdefghij1234567890klmnopqrst"));
1120     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 19, S("abcdefghij1234567890123456789klmnopqrst"));
1121     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 20, S("abcdefghij12345678901234567890klmnopqrst"));
1122     test(S("abcdefghijklmnopqrst"), 10, 1, "", 0, S("abcdefghijlmnopqrst"));
1123     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 0, S("abcdefghijlmnopqrst"));
1124     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 1, S("abcdefghij1lmnopqrst"));
1125     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 2, S("abcdefghij12lmnopqrst"));
1126     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 4, S("abcdefghij1234lmnopqrst"));
1127     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 5, S("abcdefghij12345lmnopqrst"));
1128     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 0, S("abcdefghijlmnopqrst"));
1129     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 1, S("abcdefghij1lmnopqrst"));
1130     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 5, S("abcdefghij12345lmnopqrst"));
1131     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 9, S("abcdefghij123456789lmnopqrst"));
1132     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 10, S("abcdefghij1234567890lmnopqrst"));
1133     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 0, S("abcdefghijlmnopqrst"));
1134     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 1, S("abcdefghij1lmnopqrst"));
1135     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 10, S("abcdefghij1234567890lmnopqrst"));
1136     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 19, S("abcdefghij1234567890123456789lmnopqrst"));
1137     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 20, S("abcdefghij12345678901234567890lmnopqrst"));
1138     test(S("abcdefghijklmnopqrst"), 10, 5, "", 0, S("abcdefghijpqrst"));
1139     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 0, S("abcdefghijpqrst"));
1140     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 1, S("abcdefghij1pqrst"));
1141     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 2, S("abcdefghij12pqrst"));
1142     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 4, S("abcdefghij1234pqrst"));
1143     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 5, S("abcdefghij12345pqrst"));
1144     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 0, S("abcdefghijpqrst"));
1145     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 1, S("abcdefghij1pqrst"));
1146     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 5, S("abcdefghij12345pqrst"));
1147     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 9, S("abcdefghij123456789pqrst"));
1148     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 10, S("abcdefghij1234567890pqrst"));
1149     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 0, S("abcdefghijpqrst"));
1150     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 1, S("abcdefghij1pqrst"));
1151     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 10, S("abcdefghij1234567890pqrst"));
1152     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 19, S("abcdefghij1234567890123456789pqrst"));
1153     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 20, S("abcdefghij12345678901234567890pqrst"));
1154     test(S("abcdefghijklmnopqrst"), 10, 9, "", 0, S("abcdefghijt"));
1155     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 0, S("abcdefghijt"));
1156     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 1, S("abcdefghij1t"));
1157     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 2, S("abcdefghij12t"));
1158     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 4, S("abcdefghij1234t"));
1159     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 5, S("abcdefghij12345t"));
1160     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 0, S("abcdefghijt"));
1161     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 1, S("abcdefghij1t"));
1162     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 5, S("abcdefghij12345t"));
1163     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 9, S("abcdefghij123456789t"));
1164     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 10, S("abcdefghij1234567890t"));
1165     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 0, S("abcdefghijt"));
1166     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 1, S("abcdefghij1t"));
1167     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 10, S("abcdefghij1234567890t"));
1168     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 19, S("abcdefghij1234567890123456789t"));
1169     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 20, S("abcdefghij12345678901234567890t"));
1170     test(S("abcdefghijklmnopqrst"), 10, 10, "", 0, S("abcdefghij"));
1171     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 0, S("abcdefghij"));
1172     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 1, S("abcdefghij1"));
1173     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 2, S("abcdefghij12"));
1174     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 4, S("abcdefghij1234"));
1175     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 5, S("abcdefghij12345"));
1176     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 0, S("abcdefghij"));
1177     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 1, S("abcdefghij1"));
1178     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 5, S("abcdefghij12345"));
1179     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 9, S("abcdefghij123456789"));
1180     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 10, S("abcdefghij1234567890"));
1181     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 0, S("abcdefghij"));
1182     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 1, S("abcdefghij1"));
1183     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 10, S("abcdefghij1234567890"));
1184     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
1185     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
1186     test(S("abcdefghijklmnopqrst"), 10, 11, "", 0, S("abcdefghij"));
1187     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 0, S("abcdefghij"));
1188     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 1, S("abcdefghij1"));
1189     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 2, S("abcdefghij12"));
1190     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 4, S("abcdefghij1234"));
1191     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 5, S("abcdefghij12345"));
1192     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 0, S("abcdefghij"));
1193     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 1, S("abcdefghij1"));
1194     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 5, S("abcdefghij12345"));
1195     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 9, S("abcdefghij123456789"));
1196     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 10, S("abcdefghij1234567890"));
1197     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 0, S("abcdefghij"));
1198     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 1, S("abcdefghij1"));
1199     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 10, S("abcdefghij1234567890"));
1200     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
1201     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
1202     test(S("abcdefghijklmnopqrst"), 19, 0, "", 0, S("abcdefghijklmnopqrst"));
1203     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1204     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 1, S("abcdefghijklmnopqrs1t"));
1205     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 2, S("abcdefghijklmnopqrs12t"));
1206     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 4, S("abcdefghijklmnopqrs1234t"));
1207     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 5, S("abcdefghijklmnopqrs12345t"));
1208     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1209     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 1, S("abcdefghijklmnopqrs1t"));
1210     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 5, S("abcdefghijklmnopqrs12345t"));
1211     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 9, S("abcdefghijklmnopqrs123456789t"));
1212     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
1213     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1214 }
1215 
1216 template <class S>
test11()1217 void test11()
1218 {
1219     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 1, S("abcdefghijklmnopqrs1t"));
1220     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
1221     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789t"));
1222     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890t"));
1223     test(S("abcdefghijklmnopqrst"), 19, 1, "", 0, S("abcdefghijklmnopqrs"));
1224     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 0, S("abcdefghijklmnopqrs"));
1225     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 1, S("abcdefghijklmnopqrs1"));
1226     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 2, S("abcdefghijklmnopqrs12"));
1227     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 4, S("abcdefghijklmnopqrs1234"));
1228     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 5, S("abcdefghijklmnopqrs12345"));
1229     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 0, S("abcdefghijklmnopqrs"));
1230     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 1, S("abcdefghijklmnopqrs1"));
1231     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 5, S("abcdefghijklmnopqrs12345"));
1232     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 9, S("abcdefghijklmnopqrs123456789"));
1233     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1234     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 0, S("abcdefghijklmnopqrs"));
1235     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 1, S("abcdefghijklmnopqrs1"));
1236     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1237     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789"));
1238     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890"));
1239     test(S("abcdefghijklmnopqrst"), 19, 2, "", 0, S("abcdefghijklmnopqrs"));
1240     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 0, S("abcdefghijklmnopqrs"));
1241     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 1, S("abcdefghijklmnopqrs1"));
1242     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 2, S("abcdefghijklmnopqrs12"));
1243     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 4, S("abcdefghijklmnopqrs1234"));
1244     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 5, S("abcdefghijklmnopqrs12345"));
1245     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 0, S("abcdefghijklmnopqrs"));
1246     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 1, S("abcdefghijklmnopqrs1"));
1247     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 5, S("abcdefghijklmnopqrs12345"));
1248     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 9, S("abcdefghijklmnopqrs123456789"));
1249     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1250     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 0, S("abcdefghijklmnopqrs"));
1251     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 1, S("abcdefghijklmnopqrs1"));
1252     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1253     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789"));
1254     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890"));
1255     test(S("abcdefghijklmnopqrst"), 20, 0, "", 0, S("abcdefghijklmnopqrst"));
1256     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1257     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 1, S("abcdefghijklmnopqrst1"));
1258     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 2, S("abcdefghijklmnopqrst12"));
1259     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 4, S("abcdefghijklmnopqrst1234"));
1260     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 5, S("abcdefghijklmnopqrst12345"));
1261     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1262     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 1, S("abcdefghijklmnopqrst1"));
1263     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
1264     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
1265     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1266     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1267     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
1268     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1269     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
1270     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
1271     test(S("abcdefghijklmnopqrst"), 20, 1, "", 0, S("abcdefghijklmnopqrst"));
1272     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 0, S("abcdefghijklmnopqrst"));
1273     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 1, S("abcdefghijklmnopqrst1"));
1274     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 2, S("abcdefghijklmnopqrst12"));
1275     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 4, S("abcdefghijklmnopqrst1234"));
1276     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 5, S("abcdefghijklmnopqrst12345"));
1277     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 0, S("abcdefghijklmnopqrst"));
1278     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 1, S("abcdefghijklmnopqrst1"));
1279     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
1280     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
1281     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1282     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1283     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
1284     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1285     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
1286     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
1287     test(S("abcdefghijklmnopqrst"), 21, 0, "", 0, S("can't happen"));
1288     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 0, S("can't happen"));
1289     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 1, S("can't happen"));
1290     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 2, S("can't happen"));
1291     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 4, S("can't happen"));
1292     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 5, S("can't happen"));
1293     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 0, S("can't happen"));
1294     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 1, S("can't happen"));
1295     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 5, S("can't happen"));
1296     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 9, S("can't happen"));
1297     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 10, S("can't happen"));
1298     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 0, S("can't happen"));
1299     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 1, S("can't happen"));
1300     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 10, S("can't happen"));
1301     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 19, S("can't happen"));
1302     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 20, S("can't happen"));
1303 }
1304 
main(int,char **)1305 int main(int, char**)
1306 {
1307     {
1308     typedef std::string S;
1309     test0<S>();
1310     test1<S>();
1311     test2<S>();
1312     test3<S>();
1313     test4<S>();
1314     test5<S>();
1315     test6<S>();
1316     test7<S>();
1317     test8<S>();
1318     test9<S>();
1319     test10<S>();
1320     test11<S>();
1321     }
1322 #if TEST_STD_VER >= 11
1323     {
1324     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
1325     test0<S>();
1326     test1<S>();
1327     test2<S>();
1328     test3<S>();
1329     test4<S>();
1330     test5<S>();
1331     test6<S>();
1332     test7<S>();
1333     test8<S>();
1334     test9<S>();
1335     test10<S>();
1336     test11<S>();
1337     }
1338 #endif
1339 
1340   return 0;
1341 }
1342