1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <string>
11 
12 // basic_string<charT,traits,Allocator>&
13 //   replace(size_type pos, size_type n1, const charT* s, size_type n2);
14 
15 #include <stdio.h>
16 
17 #include <string>
18 #include <stdexcept>
19 #include <algorithm>
20 #include <cassert>
21 
22 #include "../../min_allocator.h"
23 
24 template <class S>
25 void
26 test(S s, typename S::size_type pos, typename S::size_type n1,
27      const typename S::value_type* str, typename S::size_type n2,
28      S expected)
29 {
30     typename S::size_type old_size = s.size();
31     S s0 = s;
32     try
33     {
34         s.replace(pos, n1, str, n2);
35         assert(s.__invariants());
36         assert(pos <= old_size);
37         assert(s == expected);
38         typename S::size_type xlen = std::min(n1, old_size - pos);
39         typename S::size_type rlen = n2;
40         assert(s.size() == old_size - xlen + rlen);
41     }
42     catch (std::out_of_range&)
43     {
44         assert(pos > old_size);
45         assert(s == s0);
46     }
47 }
48 
49 template <class S>
50 void test0()
51 {
52     test(S(""), 0, 0, "", 0, S(""));
53     test(S(""), 0, 0, "12345", 0, S(""));
54     test(S(""), 0, 0, "12345", 1, S("1"));
55     test(S(""), 0, 0, "12345", 2, S("12"));
56     test(S(""), 0, 0, "12345", 4, S("1234"));
57     test(S(""), 0, 0, "12345", 5, S("12345"));
58     test(S(""), 0, 0, "1234567890", 0, S(""));
59     test(S(""), 0, 0, "1234567890", 1, S("1"));
60     test(S(""), 0, 0, "1234567890", 5, S("12345"));
61     test(S(""), 0, 0, "1234567890", 9, S("123456789"));
62     test(S(""), 0, 0, "1234567890", 10, S("1234567890"));
63     test(S(""), 0, 0, "12345678901234567890", 0, S(""));
64     test(S(""), 0, 0, "12345678901234567890", 1, S("1"));
65     test(S(""), 0, 0, "12345678901234567890", 10, S("1234567890"));
66     test(S(""), 0, 0, "12345678901234567890", 19, S("1234567890123456789"));
67     test(S(""), 0, 0, "12345678901234567890", 20, S("12345678901234567890"));
68     test(S(""), 0, 1, "", 0, S(""));
69     test(S(""), 0, 1, "12345", 0, S(""));
70     test(S(""), 0, 1, "12345", 1, S("1"));
71     test(S(""), 0, 1, "12345", 2, S("12"));
72     test(S(""), 0, 1, "12345", 4, S("1234"));
73     test(S(""), 0, 1, "12345", 5, S("12345"));
74     test(S(""), 0, 1, "1234567890", 0, S(""));
75     test(S(""), 0, 1, "1234567890", 1, S("1"));
76     test(S(""), 0, 1, "1234567890", 5, S("12345"));
77     test(S(""), 0, 1, "1234567890", 9, S("123456789"));
78     test(S(""), 0, 1, "1234567890", 10, S("1234567890"));
79     test(S(""), 0, 1, "12345678901234567890", 0, S(""));
80     test(S(""), 0, 1, "12345678901234567890", 1, S("1"));
81     test(S(""), 0, 1, "12345678901234567890", 10, S("1234567890"));
82     test(S(""), 0, 1, "12345678901234567890", 19, S("1234567890123456789"));
83     test(S(""), 0, 1, "12345678901234567890", 20, S("12345678901234567890"));
84     test(S(""), 1, 0, "", 0, S("can't happen"));
85     test(S(""), 1, 0, "12345", 0, S("can't happen"));
86     test(S(""), 1, 0, "12345", 1, S("can't happen"));
87     test(S(""), 1, 0, "12345", 2, S("can't happen"));
88     test(S(""), 1, 0, "12345", 4, S("can't happen"));
89     test(S(""), 1, 0, "12345", 5, S("can't happen"));
90     test(S(""), 1, 0, "1234567890", 0, S("can't happen"));
91     test(S(""), 1, 0, "1234567890", 1, S("can't happen"));
92     test(S(""), 1, 0, "1234567890", 5, S("can't happen"));
93     test(S(""), 1, 0, "1234567890", 9, S("can't happen"));
94     test(S(""), 1, 0, "1234567890", 10, S("can't happen"));
95     test(S(""), 1, 0, "12345678901234567890", 0, S("can't happen"));
96     test(S(""), 1, 0, "12345678901234567890", 1, S("can't happen"));
97     test(S(""), 1, 0, "12345678901234567890", 10, S("can't happen"));
98     test(S(""), 1, 0, "12345678901234567890", 19, S("can't happen"));
99     test(S(""), 1, 0, "12345678901234567890", 20, S("can't happen"));
100     test(S("abcde"), 0, 0, "", 0, S("abcde"));
101     test(S("abcde"), 0, 0, "12345", 0, S("abcde"));
102     test(S("abcde"), 0, 0, "12345", 1, S("1abcde"));
103     test(S("abcde"), 0, 0, "12345", 2, S("12abcde"));
104     test(S("abcde"), 0, 0, "12345", 4, S("1234abcde"));
105     test(S("abcde"), 0, 0, "12345", 5, S("12345abcde"));
106     test(S("abcde"), 0, 0, "1234567890", 0, S("abcde"));
107     test(S("abcde"), 0, 0, "1234567890", 1, S("1abcde"));
108     test(S("abcde"), 0, 0, "1234567890", 5, S("12345abcde"));
109     test(S("abcde"), 0, 0, "1234567890", 9, S("123456789abcde"));
110     test(S("abcde"), 0, 0, "1234567890", 10, S("1234567890abcde"));
111     test(S("abcde"), 0, 0, "12345678901234567890", 0, S("abcde"));
112     test(S("abcde"), 0, 0, "12345678901234567890", 1, S("1abcde"));
113     test(S("abcde"), 0, 0, "12345678901234567890", 10, S("1234567890abcde"));
114     test(S("abcde"), 0, 0, "12345678901234567890", 19, S("1234567890123456789abcde"));
115     test(S("abcde"), 0, 0, "12345678901234567890", 20, S("12345678901234567890abcde"));
116     test(S("abcde"), 0, 1, "", 0, S("bcde"));
117     test(S("abcde"), 0, 1, "12345", 0, S("bcde"));
118     test(S("abcde"), 0, 1, "12345", 1, S("1bcde"));
119     test(S("abcde"), 0, 1, "12345", 2, S("12bcde"));
120     test(S("abcde"), 0, 1, "12345", 4, S("1234bcde"));
121     test(S("abcde"), 0, 1, "12345", 5, S("12345bcde"));
122     test(S("abcde"), 0, 1, "1234567890", 0, S("bcde"));
123     test(S("abcde"), 0, 1, "1234567890", 1, S("1bcde"));
124     test(S("abcde"), 0, 1, "1234567890", 5, S("12345bcde"));
125     test(S("abcde"), 0, 1, "1234567890", 9, S("123456789bcde"));
126     test(S("abcde"), 0, 1, "1234567890", 10, S("1234567890bcde"));
127     test(S("abcde"), 0, 1, "12345678901234567890", 0, S("bcde"));
128     test(S("abcde"), 0, 1, "12345678901234567890", 1, S("1bcde"));
129     test(S("abcde"), 0, 1, "12345678901234567890", 10, S("1234567890bcde"));
130     test(S("abcde"), 0, 1, "12345678901234567890", 19, S("1234567890123456789bcde"));
131     test(S("abcde"), 0, 1, "12345678901234567890", 20, S("12345678901234567890bcde"));
132     test(S("abcde"), 0, 2, "", 0, S("cde"));
133     test(S("abcde"), 0, 2, "12345", 0, S("cde"));
134     test(S("abcde"), 0, 2, "12345", 1, S("1cde"));
135     test(S("abcde"), 0, 2, "12345", 2, S("12cde"));
136     test(S("abcde"), 0, 2, "12345", 4, S("1234cde"));
137     test(S("abcde"), 0, 2, "12345", 5, S("12345cde"));
138     test(S("abcde"), 0, 2, "1234567890", 0, S("cde"));
139     test(S("abcde"), 0, 2, "1234567890", 1, S("1cde"));
140     test(S("abcde"), 0, 2, "1234567890", 5, S("12345cde"));
141     test(S("abcde"), 0, 2, "1234567890", 9, S("123456789cde"));
142     test(S("abcde"), 0, 2, "1234567890", 10, S("1234567890cde"));
143     test(S("abcde"), 0, 2, "12345678901234567890", 0, S("cde"));
144     test(S("abcde"), 0, 2, "12345678901234567890", 1, S("1cde"));
145     test(S("abcde"), 0, 2, "12345678901234567890", 10, S("1234567890cde"));
146     test(S("abcde"), 0, 2, "12345678901234567890", 19, S("1234567890123456789cde"));
147     test(S("abcde"), 0, 2, "12345678901234567890", 20, S("12345678901234567890cde"));
148     test(S("abcde"), 0, 4, "", 0, S("e"));
149     test(S("abcde"), 0, 4, "12345", 0, S("e"));
150     test(S("abcde"), 0, 4, "12345", 1, S("1e"));
151     test(S("abcde"), 0, 4, "12345", 2, S("12e"));
152 }
153 
154 template <class S>
155 void test1()
156 {
157     test(S("abcde"), 0, 4, "12345", 4, S("1234e"));
158     test(S("abcde"), 0, 4, "12345", 5, S("12345e"));
159     test(S("abcde"), 0, 4, "1234567890", 0, S("e"));
160     test(S("abcde"), 0, 4, "1234567890", 1, S("1e"));
161     test(S("abcde"), 0, 4, "1234567890", 5, S("12345e"));
162     test(S("abcde"), 0, 4, "1234567890", 9, S("123456789e"));
163     test(S("abcde"), 0, 4, "1234567890", 10, S("1234567890e"));
164     test(S("abcde"), 0, 4, "12345678901234567890", 0, S("e"));
165     test(S("abcde"), 0, 4, "12345678901234567890", 1, S("1e"));
166     test(S("abcde"), 0, 4, "12345678901234567890", 10, S("1234567890e"));
167     test(S("abcde"), 0, 4, "12345678901234567890", 19, S("1234567890123456789e"));
168     test(S("abcde"), 0, 4, "12345678901234567890", 20, S("12345678901234567890e"));
169     test(S("abcde"), 0, 5, "", 0, S(""));
170     test(S("abcde"), 0, 5, "12345", 0, S(""));
171     test(S("abcde"), 0, 5, "12345", 1, S("1"));
172     test(S("abcde"), 0, 5, "12345", 2, S("12"));
173     test(S("abcde"), 0, 5, "12345", 4, S("1234"));
174     test(S("abcde"), 0, 5, "12345", 5, S("12345"));
175     test(S("abcde"), 0, 5, "1234567890", 0, S(""));
176     test(S("abcde"), 0, 5, "1234567890", 1, S("1"));
177     test(S("abcde"), 0, 5, "1234567890", 5, S("12345"));
178     test(S("abcde"), 0, 5, "1234567890", 9, S("123456789"));
179     test(S("abcde"), 0, 5, "1234567890", 10, S("1234567890"));
180     test(S("abcde"), 0, 5, "12345678901234567890", 0, S(""));
181     test(S("abcde"), 0, 5, "12345678901234567890", 1, S("1"));
182     test(S("abcde"), 0, 5, "12345678901234567890", 10, S("1234567890"));
183     test(S("abcde"), 0, 5, "12345678901234567890", 19, S("1234567890123456789"));
184     test(S("abcde"), 0, 5, "12345678901234567890", 20, S("12345678901234567890"));
185     test(S("abcde"), 0, 6, "", 0, S(""));
186     test(S("abcde"), 0, 6, "12345", 0, S(""));
187     test(S("abcde"), 0, 6, "12345", 1, S("1"));
188     test(S("abcde"), 0, 6, "12345", 2, S("12"));
189     test(S("abcde"), 0, 6, "12345", 4, S("1234"));
190     test(S("abcde"), 0, 6, "12345", 5, S("12345"));
191     test(S("abcde"), 0, 6, "1234567890", 0, S(""));
192     test(S("abcde"), 0, 6, "1234567890", 1, S("1"));
193     test(S("abcde"), 0, 6, "1234567890", 5, S("12345"));
194     test(S("abcde"), 0, 6, "1234567890", 9, S("123456789"));
195     test(S("abcde"), 0, 6, "1234567890", 10, S("1234567890"));
196     test(S("abcde"), 0, 6, "12345678901234567890", 0, S(""));
197     test(S("abcde"), 0, 6, "12345678901234567890", 1, S("1"));
198     test(S("abcde"), 0, 6, "12345678901234567890", 10, S("1234567890"));
199     test(S("abcde"), 0, 6, "12345678901234567890", 19, S("1234567890123456789"));
200     test(S("abcde"), 0, 6, "12345678901234567890", 20, S("12345678901234567890"));
201     test(S("abcde"), 1, 0, "", 0, S("abcde"));
202     test(S("abcde"), 1, 0, "12345", 0, S("abcde"));
203     test(S("abcde"), 1, 0, "12345", 1, S("a1bcde"));
204     test(S("abcde"), 1, 0, "12345", 2, S("a12bcde"));
205     test(S("abcde"), 1, 0, "12345", 4, S("a1234bcde"));
206     test(S("abcde"), 1, 0, "12345", 5, S("a12345bcde"));
207     test(S("abcde"), 1, 0, "1234567890", 0, S("abcde"));
208     test(S("abcde"), 1, 0, "1234567890", 1, S("a1bcde"));
209     test(S("abcde"), 1, 0, "1234567890", 5, S("a12345bcde"));
210     test(S("abcde"), 1, 0, "1234567890", 9, S("a123456789bcde"));
211     test(S("abcde"), 1, 0, "1234567890", 10, S("a1234567890bcde"));
212     test(S("abcde"), 1, 0, "12345678901234567890", 0, S("abcde"));
213     test(S("abcde"), 1, 0, "12345678901234567890", 1, S("a1bcde"));
214     test(S("abcde"), 1, 0, "12345678901234567890", 10, S("a1234567890bcde"));
215     test(S("abcde"), 1, 0, "12345678901234567890", 19, S("a1234567890123456789bcde"));
216     test(S("abcde"), 1, 0, "12345678901234567890", 20, S("a12345678901234567890bcde"));
217     test(S("abcde"), 1, 1, "", 0, S("acde"));
218     test(S("abcde"), 1, 1, "12345", 0, S("acde"));
219     test(S("abcde"), 1, 1, "12345", 1, S("a1cde"));
220     test(S("abcde"), 1, 1, "12345", 2, S("a12cde"));
221     test(S("abcde"), 1, 1, "12345", 4, S("a1234cde"));
222     test(S("abcde"), 1, 1, "12345", 5, S("a12345cde"));
223     test(S("abcde"), 1, 1, "1234567890", 0, S("acde"));
224     test(S("abcde"), 1, 1, "1234567890", 1, S("a1cde"));
225     test(S("abcde"), 1, 1, "1234567890", 5, S("a12345cde"));
226     test(S("abcde"), 1, 1, "1234567890", 9, S("a123456789cde"));
227     test(S("abcde"), 1, 1, "1234567890", 10, S("a1234567890cde"));
228     test(S("abcde"), 1, 1, "12345678901234567890", 0, S("acde"));
229     test(S("abcde"), 1, 1, "12345678901234567890", 1, S("a1cde"));
230     test(S("abcde"), 1, 1, "12345678901234567890", 10, S("a1234567890cde"));
231     test(S("abcde"), 1, 1, "12345678901234567890", 19, S("a1234567890123456789cde"));
232     test(S("abcde"), 1, 1, "12345678901234567890", 20, S("a12345678901234567890cde"));
233     test(S("abcde"), 1, 2, "", 0, S("ade"));
234     test(S("abcde"), 1, 2, "12345", 0, S("ade"));
235     test(S("abcde"), 1, 2, "12345", 1, S("a1de"));
236     test(S("abcde"), 1, 2, "12345", 2, S("a12de"));
237     test(S("abcde"), 1, 2, "12345", 4, S("a1234de"));
238     test(S("abcde"), 1, 2, "12345", 5, S("a12345de"));
239     test(S("abcde"), 1, 2, "1234567890", 0, S("ade"));
240     test(S("abcde"), 1, 2, "1234567890", 1, S("a1de"));
241     test(S("abcde"), 1, 2, "1234567890", 5, S("a12345de"));
242     test(S("abcde"), 1, 2, "1234567890", 9, S("a123456789de"));
243     test(S("abcde"), 1, 2, "1234567890", 10, S("a1234567890de"));
244     test(S("abcde"), 1, 2, "12345678901234567890", 0, S("ade"));
245     test(S("abcde"), 1, 2, "12345678901234567890", 1, S("a1de"));
246     test(S("abcde"), 1, 2, "12345678901234567890", 10, S("a1234567890de"));
247     test(S("abcde"), 1, 2, "12345678901234567890", 19, S("a1234567890123456789de"));
248     test(S("abcde"), 1, 2, "12345678901234567890", 20, S("a12345678901234567890de"));
249     test(S("abcde"), 1, 3, "", 0, S("ae"));
250     test(S("abcde"), 1, 3, "12345", 0, S("ae"));
251     test(S("abcde"), 1, 3, "12345", 1, S("a1e"));
252     test(S("abcde"), 1, 3, "12345", 2, S("a12e"));
253     test(S("abcde"), 1, 3, "12345", 4, S("a1234e"));
254     test(S("abcde"), 1, 3, "12345", 5, S("a12345e"));
255     test(S("abcde"), 1, 3, "1234567890", 0, S("ae"));
256     test(S("abcde"), 1, 3, "1234567890", 1, S("a1e"));
257 }
258 
259 template <class S>
260 void test2()
261 {
262     test(S("abcde"), 1, 3, "1234567890", 5, S("a12345e"));
263     test(S("abcde"), 1, 3, "1234567890", 9, S("a123456789e"));
264     test(S("abcde"), 1, 3, "1234567890", 10, S("a1234567890e"));
265     test(S("abcde"), 1, 3, "12345678901234567890", 0, S("ae"));
266     test(S("abcde"), 1, 3, "12345678901234567890", 1, S("a1e"));
267     test(S("abcde"), 1, 3, "12345678901234567890", 10, S("a1234567890e"));
268     test(S("abcde"), 1, 3, "12345678901234567890", 19, S("a1234567890123456789e"));
269     test(S("abcde"), 1, 3, "12345678901234567890", 20, S("a12345678901234567890e"));
270     test(S("abcde"), 1, 4, "", 0, S("a"));
271     test(S("abcde"), 1, 4, "12345", 0, S("a"));
272     test(S("abcde"), 1, 4, "12345", 1, S("a1"));
273     test(S("abcde"), 1, 4, "12345", 2, S("a12"));
274     test(S("abcde"), 1, 4, "12345", 4, S("a1234"));
275     test(S("abcde"), 1, 4, "12345", 5, S("a12345"));
276     test(S("abcde"), 1, 4, "1234567890", 0, S("a"));
277     test(S("abcde"), 1, 4, "1234567890", 1, S("a1"));
278     test(S("abcde"), 1, 4, "1234567890", 5, S("a12345"));
279     test(S("abcde"), 1, 4, "1234567890", 9, S("a123456789"));
280     test(S("abcde"), 1, 4, "1234567890", 10, S("a1234567890"));
281     test(S("abcde"), 1, 4, "12345678901234567890", 0, S("a"));
282     test(S("abcde"), 1, 4, "12345678901234567890", 1, S("a1"));
283     test(S("abcde"), 1, 4, "12345678901234567890", 10, S("a1234567890"));
284     test(S("abcde"), 1, 4, "12345678901234567890", 19, S("a1234567890123456789"));
285     test(S("abcde"), 1, 4, "12345678901234567890", 20, S("a12345678901234567890"));
286     test(S("abcde"), 1, 5, "", 0, S("a"));
287     test(S("abcde"), 1, 5, "12345", 0, S("a"));
288     test(S("abcde"), 1, 5, "12345", 1, S("a1"));
289     test(S("abcde"), 1, 5, "12345", 2, S("a12"));
290     test(S("abcde"), 1, 5, "12345", 4, S("a1234"));
291     test(S("abcde"), 1, 5, "12345", 5, S("a12345"));
292     test(S("abcde"), 1, 5, "1234567890", 0, S("a"));
293     test(S("abcde"), 1, 5, "1234567890", 1, S("a1"));
294     test(S("abcde"), 1, 5, "1234567890", 5, S("a12345"));
295     test(S("abcde"), 1, 5, "1234567890", 9, S("a123456789"));
296     test(S("abcde"), 1, 5, "1234567890", 10, S("a1234567890"));
297     test(S("abcde"), 1, 5, "12345678901234567890", 0, S("a"));
298     test(S("abcde"), 1, 5, "12345678901234567890", 1, S("a1"));
299     test(S("abcde"), 1, 5, "12345678901234567890", 10, S("a1234567890"));
300     test(S("abcde"), 1, 5, "12345678901234567890", 19, S("a1234567890123456789"));
301     test(S("abcde"), 1, 5, "12345678901234567890", 20, S("a12345678901234567890"));
302     test(S("abcde"), 2, 0, "", 0, S("abcde"));
303     test(S("abcde"), 2, 0, "12345", 0, S("abcde"));
304     test(S("abcde"), 2, 0, "12345", 1, S("ab1cde"));
305     test(S("abcde"), 2, 0, "12345", 2, S("ab12cde"));
306     test(S("abcde"), 2, 0, "12345", 4, S("ab1234cde"));
307     test(S("abcde"), 2, 0, "12345", 5, S("ab12345cde"));
308     test(S("abcde"), 2, 0, "1234567890", 0, S("abcde"));
309     test(S("abcde"), 2, 0, "1234567890", 1, S("ab1cde"));
310     test(S("abcde"), 2, 0, "1234567890", 5, S("ab12345cde"));
311     test(S("abcde"), 2, 0, "1234567890", 9, S("ab123456789cde"));
312     test(S("abcde"), 2, 0, "1234567890", 10, S("ab1234567890cde"));
313     test(S("abcde"), 2, 0, "12345678901234567890", 0, S("abcde"));
314     test(S("abcde"), 2, 0, "12345678901234567890", 1, S("ab1cde"));
315     test(S("abcde"), 2, 0, "12345678901234567890", 10, S("ab1234567890cde"));
316     test(S("abcde"), 2, 0, "12345678901234567890", 19, S("ab1234567890123456789cde"));
317     test(S("abcde"), 2, 0, "12345678901234567890", 20, S("ab12345678901234567890cde"));
318     test(S("abcde"), 2, 1, "", 0, S("abde"));
319     test(S("abcde"), 2, 1, "12345", 0, S("abde"));
320     test(S("abcde"), 2, 1, "12345", 1, S("ab1de"));
321     test(S("abcde"), 2, 1, "12345", 2, S("ab12de"));
322     test(S("abcde"), 2, 1, "12345", 4, S("ab1234de"));
323     test(S("abcde"), 2, 1, "12345", 5, S("ab12345de"));
324     test(S("abcde"), 2, 1, "1234567890", 0, S("abde"));
325     test(S("abcde"), 2, 1, "1234567890", 1, S("ab1de"));
326     test(S("abcde"), 2, 1, "1234567890", 5, S("ab12345de"));
327     test(S("abcde"), 2, 1, "1234567890", 9, S("ab123456789de"));
328     test(S("abcde"), 2, 1, "1234567890", 10, S("ab1234567890de"));
329     test(S("abcde"), 2, 1, "12345678901234567890", 0, S("abde"));
330     test(S("abcde"), 2, 1, "12345678901234567890", 1, S("ab1de"));
331     test(S("abcde"), 2, 1, "12345678901234567890", 10, S("ab1234567890de"));
332     test(S("abcde"), 2, 1, "12345678901234567890", 19, S("ab1234567890123456789de"));
333     test(S("abcde"), 2, 1, "12345678901234567890", 20, S("ab12345678901234567890de"));
334     test(S("abcde"), 2, 2, "", 0, S("abe"));
335     test(S("abcde"), 2, 2, "12345", 0, S("abe"));
336     test(S("abcde"), 2, 2, "12345", 1, S("ab1e"));
337     test(S("abcde"), 2, 2, "12345", 2, S("ab12e"));
338     test(S("abcde"), 2, 2, "12345", 4, S("ab1234e"));
339     test(S("abcde"), 2, 2, "12345", 5, S("ab12345e"));
340     test(S("abcde"), 2, 2, "1234567890", 0, S("abe"));
341     test(S("abcde"), 2, 2, "1234567890", 1, S("ab1e"));
342     test(S("abcde"), 2, 2, "1234567890", 5, S("ab12345e"));
343     test(S("abcde"), 2, 2, "1234567890", 9, S("ab123456789e"));
344     test(S("abcde"), 2, 2, "1234567890", 10, S("ab1234567890e"));
345     test(S("abcde"), 2, 2, "12345678901234567890", 0, S("abe"));
346     test(S("abcde"), 2, 2, "12345678901234567890", 1, S("ab1e"));
347     test(S("abcde"), 2, 2, "12345678901234567890", 10, S("ab1234567890e"));
348     test(S("abcde"), 2, 2, "12345678901234567890", 19, S("ab1234567890123456789e"));
349     test(S("abcde"), 2, 2, "12345678901234567890", 20, S("ab12345678901234567890e"));
350     test(S("abcde"), 2, 3, "", 0, S("ab"));
351     test(S("abcde"), 2, 3, "12345", 0, S("ab"));
352     test(S("abcde"), 2, 3, "12345", 1, S("ab1"));
353     test(S("abcde"), 2, 3, "12345", 2, S("ab12"));
354     test(S("abcde"), 2, 3, "12345", 4, S("ab1234"));
355     test(S("abcde"), 2, 3, "12345", 5, S("ab12345"));
356     test(S("abcde"), 2, 3, "1234567890", 0, S("ab"));
357     test(S("abcde"), 2, 3, "1234567890", 1, S("ab1"));
358     test(S("abcde"), 2, 3, "1234567890", 5, S("ab12345"));
359     test(S("abcde"), 2, 3, "1234567890", 9, S("ab123456789"));
360     test(S("abcde"), 2, 3, "1234567890", 10, S("ab1234567890"));
361     test(S("abcde"), 2, 3, "12345678901234567890", 0, S("ab"));
362 }
363 
364 template <class S>
365 void test3()
366 {
367     test(S("abcde"), 2, 3, "12345678901234567890", 1, S("ab1"));
368     test(S("abcde"), 2, 3, "12345678901234567890", 10, S("ab1234567890"));
369     test(S("abcde"), 2, 3, "12345678901234567890", 19, S("ab1234567890123456789"));
370     test(S("abcde"), 2, 3, "12345678901234567890", 20, S("ab12345678901234567890"));
371     test(S("abcde"), 2, 4, "", 0, S("ab"));
372     test(S("abcde"), 2, 4, "12345", 0, S("ab"));
373     test(S("abcde"), 2, 4, "12345", 1, S("ab1"));
374     test(S("abcde"), 2, 4, "12345", 2, S("ab12"));
375     test(S("abcde"), 2, 4, "12345", 4, S("ab1234"));
376     test(S("abcde"), 2, 4, "12345", 5, S("ab12345"));
377     test(S("abcde"), 2, 4, "1234567890", 0, S("ab"));
378     test(S("abcde"), 2, 4, "1234567890", 1, S("ab1"));
379     test(S("abcde"), 2, 4, "1234567890", 5, S("ab12345"));
380     test(S("abcde"), 2, 4, "1234567890", 9, S("ab123456789"));
381     test(S("abcde"), 2, 4, "1234567890", 10, S("ab1234567890"));
382     test(S("abcde"), 2, 4, "12345678901234567890", 0, S("ab"));
383     test(S("abcde"), 2, 4, "12345678901234567890", 1, S("ab1"));
384     test(S("abcde"), 2, 4, "12345678901234567890", 10, S("ab1234567890"));
385     test(S("abcde"), 2, 4, "12345678901234567890", 19, S("ab1234567890123456789"));
386     test(S("abcde"), 2, 4, "12345678901234567890", 20, S("ab12345678901234567890"));
387     test(S("abcde"), 4, 0, "", 0, S("abcde"));
388     test(S("abcde"), 4, 0, "12345", 0, S("abcde"));
389     test(S("abcde"), 4, 0, "12345", 1, S("abcd1e"));
390     test(S("abcde"), 4, 0, "12345", 2, S("abcd12e"));
391     test(S("abcde"), 4, 0, "12345", 4, S("abcd1234e"));
392     test(S("abcde"), 4, 0, "12345", 5, S("abcd12345e"));
393     test(S("abcde"), 4, 0, "1234567890", 0, S("abcde"));
394     test(S("abcde"), 4, 0, "1234567890", 1, S("abcd1e"));
395     test(S("abcde"), 4, 0, "1234567890", 5, S("abcd12345e"));
396     test(S("abcde"), 4, 0, "1234567890", 9, S("abcd123456789e"));
397     test(S("abcde"), 4, 0, "1234567890", 10, S("abcd1234567890e"));
398     test(S("abcde"), 4, 0, "12345678901234567890", 0, S("abcde"));
399     test(S("abcde"), 4, 0, "12345678901234567890", 1, S("abcd1e"));
400     test(S("abcde"), 4, 0, "12345678901234567890", 10, S("abcd1234567890e"));
401     test(S("abcde"), 4, 0, "12345678901234567890", 19, S("abcd1234567890123456789e"));
402     test(S("abcde"), 4, 0, "12345678901234567890", 20, S("abcd12345678901234567890e"));
403     test(S("abcde"), 4, 1, "", 0, S("abcd"));
404     test(S("abcde"), 4, 1, "12345", 0, S("abcd"));
405     test(S("abcde"), 4, 1, "12345", 1, S("abcd1"));
406     test(S("abcde"), 4, 1, "12345", 2, S("abcd12"));
407     test(S("abcde"), 4, 1, "12345", 4, S("abcd1234"));
408     test(S("abcde"), 4, 1, "12345", 5, S("abcd12345"));
409     test(S("abcde"), 4, 1, "1234567890", 0, S("abcd"));
410     test(S("abcde"), 4, 1, "1234567890", 1, S("abcd1"));
411     test(S("abcde"), 4, 1, "1234567890", 5, S("abcd12345"));
412     test(S("abcde"), 4, 1, "1234567890", 9, S("abcd123456789"));
413     test(S("abcde"), 4, 1, "1234567890", 10, S("abcd1234567890"));
414     test(S("abcde"), 4, 1, "12345678901234567890", 0, S("abcd"));
415     test(S("abcde"), 4, 1, "12345678901234567890", 1, S("abcd1"));
416     test(S("abcde"), 4, 1, "12345678901234567890", 10, S("abcd1234567890"));
417     test(S("abcde"), 4, 1, "12345678901234567890", 19, S("abcd1234567890123456789"));
418     test(S("abcde"), 4, 1, "12345678901234567890", 20, S("abcd12345678901234567890"));
419     test(S("abcde"), 4, 2, "", 0, S("abcd"));
420     test(S("abcde"), 4, 2, "12345", 0, S("abcd"));
421     test(S("abcde"), 4, 2, "12345", 1, S("abcd1"));
422     test(S("abcde"), 4, 2, "12345", 2, S("abcd12"));
423     test(S("abcde"), 4, 2, "12345", 4, S("abcd1234"));
424     test(S("abcde"), 4, 2, "12345", 5, S("abcd12345"));
425     test(S("abcde"), 4, 2, "1234567890", 0, S("abcd"));
426     test(S("abcde"), 4, 2, "1234567890", 1, S("abcd1"));
427     test(S("abcde"), 4, 2, "1234567890", 5, S("abcd12345"));
428     test(S("abcde"), 4, 2, "1234567890", 9, S("abcd123456789"));
429     test(S("abcde"), 4, 2, "1234567890", 10, S("abcd1234567890"));
430     test(S("abcde"), 4, 2, "12345678901234567890", 0, S("abcd"));
431     test(S("abcde"), 4, 2, "12345678901234567890", 1, S("abcd1"));
432     test(S("abcde"), 4, 2, "12345678901234567890", 10, S("abcd1234567890"));
433     test(S("abcde"), 4, 2, "12345678901234567890", 19, S("abcd1234567890123456789"));
434     test(S("abcde"), 4, 2, "12345678901234567890", 20, S("abcd12345678901234567890"));
435     test(S("abcde"), 5, 0, "", 0, S("abcde"));
436     test(S("abcde"), 5, 0, "12345", 0, S("abcde"));
437     test(S("abcde"), 5, 0, "12345", 1, S("abcde1"));
438     test(S("abcde"), 5, 0, "12345", 2, S("abcde12"));
439     test(S("abcde"), 5, 0, "12345", 4, S("abcde1234"));
440     test(S("abcde"), 5, 0, "12345", 5, S("abcde12345"));
441     test(S("abcde"), 5, 0, "1234567890", 0, S("abcde"));
442     test(S("abcde"), 5, 0, "1234567890", 1, S("abcde1"));
443     test(S("abcde"), 5, 0, "1234567890", 5, S("abcde12345"));
444     test(S("abcde"), 5, 0, "1234567890", 9, S("abcde123456789"));
445     test(S("abcde"), 5, 0, "1234567890", 10, S("abcde1234567890"));
446     test(S("abcde"), 5, 0, "12345678901234567890", 0, S("abcde"));
447     test(S("abcde"), 5, 0, "12345678901234567890", 1, S("abcde1"));
448     test(S("abcde"), 5, 0, "12345678901234567890", 10, S("abcde1234567890"));
449     test(S("abcde"), 5, 0, "12345678901234567890", 19, S("abcde1234567890123456789"));
450     test(S("abcde"), 5, 0, "12345678901234567890", 20, S("abcde12345678901234567890"));
451     test(S("abcde"), 5, 1, "", 0, S("abcde"));
452     test(S("abcde"), 5, 1, "12345", 0, S("abcde"));
453     test(S("abcde"), 5, 1, "12345", 1, S("abcde1"));
454     test(S("abcde"), 5, 1, "12345", 2, S("abcde12"));
455     test(S("abcde"), 5, 1, "12345", 4, S("abcde1234"));
456     test(S("abcde"), 5, 1, "12345", 5, S("abcde12345"));
457     test(S("abcde"), 5, 1, "1234567890", 0, S("abcde"));
458     test(S("abcde"), 5, 1, "1234567890", 1, S("abcde1"));
459     test(S("abcde"), 5, 1, "1234567890", 5, S("abcde12345"));
460     test(S("abcde"), 5, 1, "1234567890", 9, S("abcde123456789"));
461     test(S("abcde"), 5, 1, "1234567890", 10, S("abcde1234567890"));
462     test(S("abcde"), 5, 1, "12345678901234567890", 0, S("abcde"));
463     test(S("abcde"), 5, 1, "12345678901234567890", 1, S("abcde1"));
464     test(S("abcde"), 5, 1, "12345678901234567890", 10, S("abcde1234567890"));
465     test(S("abcde"), 5, 1, "12345678901234567890", 19, S("abcde1234567890123456789"));
466     test(S("abcde"), 5, 1, "12345678901234567890", 20, S("abcde12345678901234567890"));
467 }
468 
469 template <class S>
470 void test4()
471 {
472     test(S("abcde"), 6, 0, "", 0, S("can't happen"));
473     test(S("abcde"), 6, 0, "12345", 0, S("can't happen"));
474     test(S("abcde"), 6, 0, "12345", 1, S("can't happen"));
475     test(S("abcde"), 6, 0, "12345", 2, S("can't happen"));
476     test(S("abcde"), 6, 0, "12345", 4, S("can't happen"));
477     test(S("abcde"), 6, 0, "12345", 5, S("can't happen"));
478     test(S("abcde"), 6, 0, "1234567890", 0, S("can't happen"));
479     test(S("abcde"), 6, 0, "1234567890", 1, S("can't happen"));
480     test(S("abcde"), 6, 0, "1234567890", 5, S("can't happen"));
481     test(S("abcde"), 6, 0, "1234567890", 9, S("can't happen"));
482     test(S("abcde"), 6, 0, "1234567890", 10, S("can't happen"));
483     test(S("abcde"), 6, 0, "12345678901234567890", 0, S("can't happen"));
484     test(S("abcde"), 6, 0, "12345678901234567890", 1, S("can't happen"));
485     test(S("abcde"), 6, 0, "12345678901234567890", 10, S("can't happen"));
486     test(S("abcde"), 6, 0, "12345678901234567890", 19, S("can't happen"));
487     test(S("abcde"), 6, 0, "12345678901234567890", 20, S("can't happen"));
488     test(S("abcdefghij"), 0, 0, "", 0, S("abcdefghij"));
489     test(S("abcdefghij"), 0, 0, "12345", 0, S("abcdefghij"));
490     test(S("abcdefghij"), 0, 0, "12345", 1, S("1abcdefghij"));
491     test(S("abcdefghij"), 0, 0, "12345", 2, S("12abcdefghij"));
492     test(S("abcdefghij"), 0, 0, "12345", 4, S("1234abcdefghij"));
493     test(S("abcdefghij"), 0, 0, "12345", 5, S("12345abcdefghij"));
494     test(S("abcdefghij"), 0, 0, "1234567890", 0, S("abcdefghij"));
495     test(S("abcdefghij"), 0, 0, "1234567890", 1, S("1abcdefghij"));
496     test(S("abcdefghij"), 0, 0, "1234567890", 5, S("12345abcdefghij"));
497     test(S("abcdefghij"), 0, 0, "1234567890", 9, S("123456789abcdefghij"));
498     test(S("abcdefghij"), 0, 0, "1234567890", 10, S("1234567890abcdefghij"));
499     test(S("abcdefghij"), 0, 0, "12345678901234567890", 0, S("abcdefghij"));
500     test(S("abcdefghij"), 0, 0, "12345678901234567890", 1, S("1abcdefghij"));
501     test(S("abcdefghij"), 0, 0, "12345678901234567890", 10, S("1234567890abcdefghij"));
502     test(S("abcdefghij"), 0, 0, "12345678901234567890", 19, S("1234567890123456789abcdefghij"));
503     test(S("abcdefghij"), 0, 0, "12345678901234567890", 20, S("12345678901234567890abcdefghij"));
504     test(S("abcdefghij"), 0, 1, "", 0, S("bcdefghij"));
505     test(S("abcdefghij"), 0, 1, "12345", 0, S("bcdefghij"));
506     test(S("abcdefghij"), 0, 1, "12345", 1, S("1bcdefghij"));
507     test(S("abcdefghij"), 0, 1, "12345", 2, S("12bcdefghij"));
508     test(S("abcdefghij"), 0, 1, "12345", 4, S("1234bcdefghij"));
509     test(S("abcdefghij"), 0, 1, "12345", 5, S("12345bcdefghij"));
510     test(S("abcdefghij"), 0, 1, "1234567890", 0, S("bcdefghij"));
511     test(S("abcdefghij"), 0, 1, "1234567890", 1, S("1bcdefghij"));
512     test(S("abcdefghij"), 0, 1, "1234567890", 5, S("12345bcdefghij"));
513     test(S("abcdefghij"), 0, 1, "1234567890", 9, S("123456789bcdefghij"));
514     test(S("abcdefghij"), 0, 1, "1234567890", 10, S("1234567890bcdefghij"));
515     test(S("abcdefghij"), 0, 1, "12345678901234567890", 0, S("bcdefghij"));
516     test(S("abcdefghij"), 0, 1, "12345678901234567890", 1, S("1bcdefghij"));
517     test(S("abcdefghij"), 0, 1, "12345678901234567890", 10, S("1234567890bcdefghij"));
518     test(S("abcdefghij"), 0, 1, "12345678901234567890", 19, S("1234567890123456789bcdefghij"));
519     test(S("abcdefghij"), 0, 1, "12345678901234567890", 20, S("12345678901234567890bcdefghij"));
520     test(S("abcdefghij"), 0, 5, "", 0, S("fghij"));
521     test(S("abcdefghij"), 0, 5, "12345", 0, S("fghij"));
522     test(S("abcdefghij"), 0, 5, "12345", 1, S("1fghij"));
523     test(S("abcdefghij"), 0, 5, "12345", 2, S("12fghij"));
524     test(S("abcdefghij"), 0, 5, "12345", 4, S("1234fghij"));
525     test(S("abcdefghij"), 0, 5, "12345", 5, S("12345fghij"));
526     test(S("abcdefghij"), 0, 5, "1234567890", 0, S("fghij"));
527     test(S("abcdefghij"), 0, 5, "1234567890", 1, S("1fghij"));
528     test(S("abcdefghij"), 0, 5, "1234567890", 5, S("12345fghij"));
529     test(S("abcdefghij"), 0, 5, "1234567890", 9, S("123456789fghij"));
530     test(S("abcdefghij"), 0, 5, "1234567890", 10, S("1234567890fghij"));
531     test(S("abcdefghij"), 0, 5, "12345678901234567890", 0, S("fghij"));
532     test(S("abcdefghij"), 0, 5, "12345678901234567890", 1, S("1fghij"));
533     test(S("abcdefghij"), 0, 5, "12345678901234567890", 10, S("1234567890fghij"));
534     test(S("abcdefghij"), 0, 5, "12345678901234567890", 19, S("1234567890123456789fghij"));
535     test(S("abcdefghij"), 0, 5, "12345678901234567890", 20, S("12345678901234567890fghij"));
536     test(S("abcdefghij"), 0, 9, "", 0, S("j"));
537     test(S("abcdefghij"), 0, 9, "12345", 0, S("j"));
538     test(S("abcdefghij"), 0, 9, "12345", 1, S("1j"));
539     test(S("abcdefghij"), 0, 9, "12345", 2, S("12j"));
540     test(S("abcdefghij"), 0, 9, "12345", 4, S("1234j"));
541     test(S("abcdefghij"), 0, 9, "12345", 5, S("12345j"));
542     test(S("abcdefghij"), 0, 9, "1234567890", 0, S("j"));
543     test(S("abcdefghij"), 0, 9, "1234567890", 1, S("1j"));
544     test(S("abcdefghij"), 0, 9, "1234567890", 5, S("12345j"));
545     test(S("abcdefghij"), 0, 9, "1234567890", 9, S("123456789j"));
546     test(S("abcdefghij"), 0, 9, "1234567890", 10, S("1234567890j"));
547     test(S("abcdefghij"), 0, 9, "12345678901234567890", 0, S("j"));
548     test(S("abcdefghij"), 0, 9, "12345678901234567890", 1, S("1j"));
549     test(S("abcdefghij"), 0, 9, "12345678901234567890", 10, S("1234567890j"));
550     test(S("abcdefghij"), 0, 9, "12345678901234567890", 19, S("1234567890123456789j"));
551     test(S("abcdefghij"), 0, 9, "12345678901234567890", 20, S("12345678901234567890j"));
552     test(S("abcdefghij"), 0, 10, "", 0, S(""));
553     test(S("abcdefghij"), 0, 10, "12345", 0, S(""));
554     test(S("abcdefghij"), 0, 10, "12345", 1, S("1"));
555     test(S("abcdefghij"), 0, 10, "12345", 2, S("12"));
556     test(S("abcdefghij"), 0, 10, "12345", 4, S("1234"));
557     test(S("abcdefghij"), 0, 10, "12345", 5, S("12345"));
558     test(S("abcdefghij"), 0, 10, "1234567890", 0, S(""));
559     test(S("abcdefghij"), 0, 10, "1234567890", 1, S("1"));
560     test(S("abcdefghij"), 0, 10, "1234567890", 5, S("12345"));
561     test(S("abcdefghij"), 0, 10, "1234567890", 9, S("123456789"));
562     test(S("abcdefghij"), 0, 10, "1234567890", 10, S("1234567890"));
563     test(S("abcdefghij"), 0, 10, "12345678901234567890", 0, S(""));
564     test(S("abcdefghij"), 0, 10, "12345678901234567890", 1, S("1"));
565     test(S("abcdefghij"), 0, 10, "12345678901234567890", 10, S("1234567890"));
566     test(S("abcdefghij"), 0, 10, "12345678901234567890", 19, S("1234567890123456789"));
567     test(S("abcdefghij"), 0, 10, "12345678901234567890", 20, S("12345678901234567890"));
568     test(S("abcdefghij"), 0, 11, "", 0, S(""));
569     test(S("abcdefghij"), 0, 11, "12345", 0, S(""));
570     test(S("abcdefghij"), 0, 11, "12345", 1, S("1"));
571     test(S("abcdefghij"), 0, 11, "12345", 2, S("12"));
572 }
573 
574 template <class S>
575 void test5()
576 {
577     test(S("abcdefghij"), 0, 11, "12345", 4, S("1234"));
578     test(S("abcdefghij"), 0, 11, "12345", 5, S("12345"));
579     test(S("abcdefghij"), 0, 11, "1234567890", 0, S(""));
580     test(S("abcdefghij"), 0, 11, "1234567890", 1, S("1"));
581     test(S("abcdefghij"), 0, 11, "1234567890", 5, S("12345"));
582     test(S("abcdefghij"), 0, 11, "1234567890", 9, S("123456789"));
583     test(S("abcdefghij"), 0, 11, "1234567890", 10, S("1234567890"));
584     test(S("abcdefghij"), 0, 11, "12345678901234567890", 0, S(""));
585     test(S("abcdefghij"), 0, 11, "12345678901234567890", 1, S("1"));
586     test(S("abcdefghij"), 0, 11, "12345678901234567890", 10, S("1234567890"));
587     test(S("abcdefghij"), 0, 11, "12345678901234567890", 19, S("1234567890123456789"));
588     test(S("abcdefghij"), 0, 11, "12345678901234567890", 20, S("12345678901234567890"));
589     test(S("abcdefghij"), 1, 0, "", 0, S("abcdefghij"));
590     test(S("abcdefghij"), 1, 0, "12345", 0, S("abcdefghij"));
591     test(S("abcdefghij"), 1, 0, "12345", 1, S("a1bcdefghij"));
592     test(S("abcdefghij"), 1, 0, "12345", 2, S("a12bcdefghij"));
593     test(S("abcdefghij"), 1, 0, "12345", 4, S("a1234bcdefghij"));
594     test(S("abcdefghij"), 1, 0, "12345", 5, S("a12345bcdefghij"));
595     test(S("abcdefghij"), 1, 0, "1234567890", 0, S("abcdefghij"));
596     test(S("abcdefghij"), 1, 0, "1234567890", 1, S("a1bcdefghij"));
597     test(S("abcdefghij"), 1, 0, "1234567890", 5, S("a12345bcdefghij"));
598     test(S("abcdefghij"), 1, 0, "1234567890", 9, S("a123456789bcdefghij"));
599     test(S("abcdefghij"), 1, 0, "1234567890", 10, S("a1234567890bcdefghij"));
600     test(S("abcdefghij"), 1, 0, "12345678901234567890", 0, S("abcdefghij"));
601     test(S("abcdefghij"), 1, 0, "12345678901234567890", 1, S("a1bcdefghij"));
602     test(S("abcdefghij"), 1, 0, "12345678901234567890", 10, S("a1234567890bcdefghij"));
603     test(S("abcdefghij"), 1, 0, "12345678901234567890", 19, S("a1234567890123456789bcdefghij"));
604     test(S("abcdefghij"), 1, 0, "12345678901234567890", 20, S("a12345678901234567890bcdefghij"));
605     test(S("abcdefghij"), 1, 1, "", 0, S("acdefghij"));
606     test(S("abcdefghij"), 1, 1, "12345", 0, S("acdefghij"));
607     test(S("abcdefghij"), 1, 1, "12345", 1, S("a1cdefghij"));
608     test(S("abcdefghij"), 1, 1, "12345", 2, S("a12cdefghij"));
609     test(S("abcdefghij"), 1, 1, "12345", 4, S("a1234cdefghij"));
610     test(S("abcdefghij"), 1, 1, "12345", 5, S("a12345cdefghij"));
611     test(S("abcdefghij"), 1, 1, "1234567890", 0, S("acdefghij"));
612     test(S("abcdefghij"), 1, 1, "1234567890", 1, S("a1cdefghij"));
613     test(S("abcdefghij"), 1, 1, "1234567890", 5, S("a12345cdefghij"));
614     test(S("abcdefghij"), 1, 1, "1234567890", 9, S("a123456789cdefghij"));
615     test(S("abcdefghij"), 1, 1, "1234567890", 10, S("a1234567890cdefghij"));
616     test(S("abcdefghij"), 1, 1, "12345678901234567890", 0, S("acdefghij"));
617     test(S("abcdefghij"), 1, 1, "12345678901234567890", 1, S("a1cdefghij"));
618     test(S("abcdefghij"), 1, 1, "12345678901234567890", 10, S("a1234567890cdefghij"));
619     test(S("abcdefghij"), 1, 1, "12345678901234567890", 19, S("a1234567890123456789cdefghij"));
620     test(S("abcdefghij"), 1, 1, "12345678901234567890", 20, S("a12345678901234567890cdefghij"));
621     test(S("abcdefghij"), 1, 4, "", 0, S("afghij"));
622     test(S("abcdefghij"), 1, 4, "12345", 0, S("afghij"));
623     test(S("abcdefghij"), 1, 4, "12345", 1, S("a1fghij"));
624     test(S("abcdefghij"), 1, 4, "12345", 2, S("a12fghij"));
625     test(S("abcdefghij"), 1, 4, "12345", 4, S("a1234fghij"));
626     test(S("abcdefghij"), 1, 4, "12345", 5, S("a12345fghij"));
627     test(S("abcdefghij"), 1, 4, "1234567890", 0, S("afghij"));
628     test(S("abcdefghij"), 1, 4, "1234567890", 1, S("a1fghij"));
629     test(S("abcdefghij"), 1, 4, "1234567890", 5, S("a12345fghij"));
630     test(S("abcdefghij"), 1, 4, "1234567890", 9, S("a123456789fghij"));
631     test(S("abcdefghij"), 1, 4, "1234567890", 10, S("a1234567890fghij"));
632     test(S("abcdefghij"), 1, 4, "12345678901234567890", 0, S("afghij"));
633     test(S("abcdefghij"), 1, 4, "12345678901234567890", 1, S("a1fghij"));
634     test(S("abcdefghij"), 1, 4, "12345678901234567890", 10, S("a1234567890fghij"));
635     test(S("abcdefghij"), 1, 4, "12345678901234567890", 19, S("a1234567890123456789fghij"));
636     test(S("abcdefghij"), 1, 4, "12345678901234567890", 20, S("a12345678901234567890fghij"));
637     test(S("abcdefghij"), 1, 8, "", 0, S("aj"));
638     test(S("abcdefghij"), 1, 8, "12345", 0, S("aj"));
639     test(S("abcdefghij"), 1, 8, "12345", 1, S("a1j"));
640     test(S("abcdefghij"), 1, 8, "12345", 2, S("a12j"));
641     test(S("abcdefghij"), 1, 8, "12345", 4, S("a1234j"));
642     test(S("abcdefghij"), 1, 8, "12345", 5, S("a12345j"));
643     test(S("abcdefghij"), 1, 8, "1234567890", 0, S("aj"));
644     test(S("abcdefghij"), 1, 8, "1234567890", 1, S("a1j"));
645     test(S("abcdefghij"), 1, 8, "1234567890", 5, S("a12345j"));
646     test(S("abcdefghij"), 1, 8, "1234567890", 9, S("a123456789j"));
647     test(S("abcdefghij"), 1, 8, "1234567890", 10, S("a1234567890j"));
648     test(S("abcdefghij"), 1, 8, "12345678901234567890", 0, S("aj"));
649     test(S("abcdefghij"), 1, 8, "12345678901234567890", 1, S("a1j"));
650     test(S("abcdefghij"), 1, 8, "12345678901234567890", 10, S("a1234567890j"));
651     test(S("abcdefghij"), 1, 8, "12345678901234567890", 19, S("a1234567890123456789j"));
652     test(S("abcdefghij"), 1, 8, "12345678901234567890", 20, S("a12345678901234567890j"));
653     test(S("abcdefghij"), 1, 9, "", 0, S("a"));
654     test(S("abcdefghij"), 1, 9, "12345", 0, S("a"));
655     test(S("abcdefghij"), 1, 9, "12345", 1, S("a1"));
656     test(S("abcdefghij"), 1, 9, "12345", 2, S("a12"));
657     test(S("abcdefghij"), 1, 9, "12345", 4, S("a1234"));
658     test(S("abcdefghij"), 1, 9, "12345", 5, S("a12345"));
659     test(S("abcdefghij"), 1, 9, "1234567890", 0, S("a"));
660     test(S("abcdefghij"), 1, 9, "1234567890", 1, S("a1"));
661     test(S("abcdefghij"), 1, 9, "1234567890", 5, S("a12345"));
662     test(S("abcdefghij"), 1, 9, "1234567890", 9, S("a123456789"));
663     test(S("abcdefghij"), 1, 9, "1234567890", 10, S("a1234567890"));
664     test(S("abcdefghij"), 1, 9, "12345678901234567890", 0, S("a"));
665     test(S("abcdefghij"), 1, 9, "12345678901234567890", 1, S("a1"));
666     test(S("abcdefghij"), 1, 9, "12345678901234567890", 10, S("a1234567890"));
667     test(S("abcdefghij"), 1, 9, "12345678901234567890", 19, S("a1234567890123456789"));
668     test(S("abcdefghij"), 1, 9, "12345678901234567890", 20, S("a12345678901234567890"));
669     test(S("abcdefghij"), 1, 10, "", 0, S("a"));
670     test(S("abcdefghij"), 1, 10, "12345", 0, S("a"));
671     test(S("abcdefghij"), 1, 10, "12345", 1, S("a1"));
672     test(S("abcdefghij"), 1, 10, "12345", 2, S("a12"));
673     test(S("abcdefghij"), 1, 10, "12345", 4, S("a1234"));
674     test(S("abcdefghij"), 1, 10, "12345", 5, S("a12345"));
675     test(S("abcdefghij"), 1, 10, "1234567890", 0, S("a"));
676     test(S("abcdefghij"), 1, 10, "1234567890", 1, S("a1"));
677 }
678 
679 template <class S>
680 void test6()
681 {
682     test(S("abcdefghij"), 1, 10, "1234567890", 5, S("a12345"));
683     test(S("abcdefghij"), 1, 10, "1234567890", 9, S("a123456789"));
684     test(S("abcdefghij"), 1, 10, "1234567890", 10, S("a1234567890"));
685     test(S("abcdefghij"), 1, 10, "12345678901234567890", 0, S("a"));
686     test(S("abcdefghij"), 1, 10, "12345678901234567890", 1, S("a1"));
687     test(S("abcdefghij"), 1, 10, "12345678901234567890", 10, S("a1234567890"));
688     test(S("abcdefghij"), 1, 10, "12345678901234567890", 19, S("a1234567890123456789"));
689     test(S("abcdefghij"), 1, 10, "12345678901234567890", 20, S("a12345678901234567890"));
690     test(S("abcdefghij"), 5, 0, "", 0, S("abcdefghij"));
691     test(S("abcdefghij"), 5, 0, "12345", 0, S("abcdefghij"));
692     test(S("abcdefghij"), 5, 0, "12345", 1, S("abcde1fghij"));
693     test(S("abcdefghij"), 5, 0, "12345", 2, S("abcde12fghij"));
694     test(S("abcdefghij"), 5, 0, "12345", 4, S("abcde1234fghij"));
695     test(S("abcdefghij"), 5, 0, "12345", 5, S("abcde12345fghij"));
696     test(S("abcdefghij"), 5, 0, "1234567890", 0, S("abcdefghij"));
697     test(S("abcdefghij"), 5, 0, "1234567890", 1, S("abcde1fghij"));
698     test(S("abcdefghij"), 5, 0, "1234567890", 5, S("abcde12345fghij"));
699     test(S("abcdefghij"), 5, 0, "1234567890", 9, S("abcde123456789fghij"));
700     test(S("abcdefghij"), 5, 0, "1234567890", 10, S("abcde1234567890fghij"));
701     test(S("abcdefghij"), 5, 0, "12345678901234567890", 0, S("abcdefghij"));
702     test(S("abcdefghij"), 5, 0, "12345678901234567890", 1, S("abcde1fghij"));
703     test(S("abcdefghij"), 5, 0, "12345678901234567890", 10, S("abcde1234567890fghij"));
704     test(S("abcdefghij"), 5, 0, "12345678901234567890", 19, S("abcde1234567890123456789fghij"));
705     test(S("abcdefghij"), 5, 0, "12345678901234567890", 20, S("abcde12345678901234567890fghij"));
706     test(S("abcdefghij"), 5, 1, "", 0, S("abcdeghij"));
707     test(S("abcdefghij"), 5, 1, "12345", 0, S("abcdeghij"));
708     test(S("abcdefghij"), 5, 1, "12345", 1, S("abcde1ghij"));
709     test(S("abcdefghij"), 5, 1, "12345", 2, S("abcde12ghij"));
710     test(S("abcdefghij"), 5, 1, "12345", 4, S("abcde1234ghij"));
711     test(S("abcdefghij"), 5, 1, "12345", 5, S("abcde12345ghij"));
712     test(S("abcdefghij"), 5, 1, "1234567890", 0, S("abcdeghij"));
713     test(S("abcdefghij"), 5, 1, "1234567890", 1, S("abcde1ghij"));
714     test(S("abcdefghij"), 5, 1, "1234567890", 5, S("abcde12345ghij"));
715     test(S("abcdefghij"), 5, 1, "1234567890", 9, S("abcde123456789ghij"));
716     test(S("abcdefghij"), 5, 1, "1234567890", 10, S("abcde1234567890ghij"));
717     test(S("abcdefghij"), 5, 1, "12345678901234567890", 0, S("abcdeghij"));
718     test(S("abcdefghij"), 5, 1, "12345678901234567890", 1, S("abcde1ghij"));
719     test(S("abcdefghij"), 5, 1, "12345678901234567890", 10, S("abcde1234567890ghij"));
720     test(S("abcdefghij"), 5, 1, "12345678901234567890", 19, S("abcde1234567890123456789ghij"));
721     test(S("abcdefghij"), 5, 1, "12345678901234567890", 20, S("abcde12345678901234567890ghij"));
722     test(S("abcdefghij"), 5, 2, "", 0, S("abcdehij"));
723     test(S("abcdefghij"), 5, 2, "12345", 0, S("abcdehij"));
724     test(S("abcdefghij"), 5, 2, "12345", 1, S("abcde1hij"));
725     test(S("abcdefghij"), 5, 2, "12345", 2, S("abcde12hij"));
726     test(S("abcdefghij"), 5, 2, "12345", 4, S("abcde1234hij"));
727     test(S("abcdefghij"), 5, 2, "12345", 5, S("abcde12345hij"));
728     test(S("abcdefghij"), 5, 2, "1234567890", 0, S("abcdehij"));
729     test(S("abcdefghij"), 5, 2, "1234567890", 1, S("abcde1hij"));
730     test(S("abcdefghij"), 5, 2, "1234567890", 5, S("abcde12345hij"));
731     test(S("abcdefghij"), 5, 2, "1234567890", 9, S("abcde123456789hij"));
732     test(S("abcdefghij"), 5, 2, "1234567890", 10, S("abcde1234567890hij"));
733     test(S("abcdefghij"), 5, 2, "12345678901234567890", 0, S("abcdehij"));
734     test(S("abcdefghij"), 5, 2, "12345678901234567890", 1, S("abcde1hij"));
735     test(S("abcdefghij"), 5, 2, "12345678901234567890", 10, S("abcde1234567890hij"));
736     test(S("abcdefghij"), 5, 2, "12345678901234567890", 19, S("abcde1234567890123456789hij"));
737     test(S("abcdefghij"), 5, 2, "12345678901234567890", 20, S("abcde12345678901234567890hij"));
738     test(S("abcdefghij"), 5, 4, "", 0, S("abcdej"));
739     test(S("abcdefghij"), 5, 4, "12345", 0, S("abcdej"));
740     test(S("abcdefghij"), 5, 4, "12345", 1, S("abcde1j"));
741     test(S("abcdefghij"), 5, 4, "12345", 2, S("abcde12j"));
742     test(S("abcdefghij"), 5, 4, "12345", 4, S("abcde1234j"));
743     test(S("abcdefghij"), 5, 4, "12345", 5, S("abcde12345j"));
744     test(S("abcdefghij"), 5, 4, "1234567890", 0, S("abcdej"));
745     test(S("abcdefghij"), 5, 4, "1234567890", 1, S("abcde1j"));
746     test(S("abcdefghij"), 5, 4, "1234567890", 5, S("abcde12345j"));
747     test(S("abcdefghij"), 5, 4, "1234567890", 9, S("abcde123456789j"));
748     test(S("abcdefghij"), 5, 4, "1234567890", 10, S("abcde1234567890j"));
749     test(S("abcdefghij"), 5, 4, "12345678901234567890", 0, S("abcdej"));
750     test(S("abcdefghij"), 5, 4, "12345678901234567890", 1, S("abcde1j"));
751     test(S("abcdefghij"), 5, 4, "12345678901234567890", 10, S("abcde1234567890j"));
752     test(S("abcdefghij"), 5, 4, "12345678901234567890", 19, S("abcde1234567890123456789j"));
753     test(S("abcdefghij"), 5, 4, "12345678901234567890", 20, S("abcde12345678901234567890j"));
754     test(S("abcdefghij"), 5, 5, "", 0, S("abcde"));
755     test(S("abcdefghij"), 5, 5, "12345", 0, S("abcde"));
756     test(S("abcdefghij"), 5, 5, "12345", 1, S("abcde1"));
757     test(S("abcdefghij"), 5, 5, "12345", 2, S("abcde12"));
758     test(S("abcdefghij"), 5, 5, "12345", 4, S("abcde1234"));
759     test(S("abcdefghij"), 5, 5, "12345", 5, S("abcde12345"));
760     test(S("abcdefghij"), 5, 5, "1234567890", 0, S("abcde"));
761     test(S("abcdefghij"), 5, 5, "1234567890", 1, S("abcde1"));
762     test(S("abcdefghij"), 5, 5, "1234567890", 5, S("abcde12345"));
763     test(S("abcdefghij"), 5, 5, "1234567890", 9, S("abcde123456789"));
764     test(S("abcdefghij"), 5, 5, "1234567890", 10, S("abcde1234567890"));
765     test(S("abcdefghij"), 5, 5, "12345678901234567890", 0, S("abcde"));
766     test(S("abcdefghij"), 5, 5, "12345678901234567890", 1, S("abcde1"));
767     test(S("abcdefghij"), 5, 5, "12345678901234567890", 10, S("abcde1234567890"));
768     test(S("abcdefghij"), 5, 5, "12345678901234567890", 19, S("abcde1234567890123456789"));
769     test(S("abcdefghij"), 5, 5, "12345678901234567890", 20, S("abcde12345678901234567890"));
770     test(S("abcdefghij"), 5, 6, "", 0, S("abcde"));
771     test(S("abcdefghij"), 5, 6, "12345", 0, S("abcde"));
772     test(S("abcdefghij"), 5, 6, "12345", 1, S("abcde1"));
773     test(S("abcdefghij"), 5, 6, "12345", 2, S("abcde12"));
774     test(S("abcdefghij"), 5, 6, "12345", 4, S("abcde1234"));
775     test(S("abcdefghij"), 5, 6, "12345", 5, S("abcde12345"));
776     test(S("abcdefghij"), 5, 6, "1234567890", 0, S("abcde"));
777     test(S("abcdefghij"), 5, 6, "1234567890", 1, S("abcde1"));
778     test(S("abcdefghij"), 5, 6, "1234567890", 5, S("abcde12345"));
779     test(S("abcdefghij"), 5, 6, "1234567890", 9, S("abcde123456789"));
780     test(S("abcdefghij"), 5, 6, "1234567890", 10, S("abcde1234567890"));
781     test(S("abcdefghij"), 5, 6, "12345678901234567890", 0, S("abcde"));
782 }
783 
784 template <class S>
785 void test7()
786 {
787     test(S("abcdefghij"), 5, 6, "12345678901234567890", 1, S("abcde1"));
788     test(S("abcdefghij"), 5, 6, "12345678901234567890", 10, S("abcde1234567890"));
789     test(S("abcdefghij"), 5, 6, "12345678901234567890", 19, S("abcde1234567890123456789"));
790     test(S("abcdefghij"), 5, 6, "12345678901234567890", 20, S("abcde12345678901234567890"));
791     test(S("abcdefghij"), 9, 0, "", 0, S("abcdefghij"));
792     test(S("abcdefghij"), 9, 0, "12345", 0, S("abcdefghij"));
793     test(S("abcdefghij"), 9, 0, "12345", 1, S("abcdefghi1j"));
794     test(S("abcdefghij"), 9, 0, "12345", 2, S("abcdefghi12j"));
795     test(S("abcdefghij"), 9, 0, "12345", 4, S("abcdefghi1234j"));
796     test(S("abcdefghij"), 9, 0, "12345", 5, S("abcdefghi12345j"));
797     test(S("abcdefghij"), 9, 0, "1234567890", 0, S("abcdefghij"));
798     test(S("abcdefghij"), 9, 0, "1234567890", 1, S("abcdefghi1j"));
799     test(S("abcdefghij"), 9, 0, "1234567890", 5, S("abcdefghi12345j"));
800     test(S("abcdefghij"), 9, 0, "1234567890", 9, S("abcdefghi123456789j"));
801     test(S("abcdefghij"), 9, 0, "1234567890", 10, S("abcdefghi1234567890j"));
802     test(S("abcdefghij"), 9, 0, "12345678901234567890", 0, S("abcdefghij"));
803     test(S("abcdefghij"), 9, 0, "12345678901234567890", 1, S("abcdefghi1j"));
804     test(S("abcdefghij"), 9, 0, "12345678901234567890", 10, S("abcdefghi1234567890j"));
805     test(S("abcdefghij"), 9, 0, "12345678901234567890", 19, S("abcdefghi1234567890123456789j"));
806     test(S("abcdefghij"), 9, 0, "12345678901234567890", 20, S("abcdefghi12345678901234567890j"));
807     test(S("abcdefghij"), 9, 1, "", 0, S("abcdefghi"));
808     test(S("abcdefghij"), 9, 1, "12345", 0, S("abcdefghi"));
809     test(S("abcdefghij"), 9, 1, "12345", 1, S("abcdefghi1"));
810     test(S("abcdefghij"), 9, 1, "12345", 2, S("abcdefghi12"));
811     test(S("abcdefghij"), 9, 1, "12345", 4, S("abcdefghi1234"));
812     test(S("abcdefghij"), 9, 1, "12345", 5, S("abcdefghi12345"));
813     test(S("abcdefghij"), 9, 1, "1234567890", 0, S("abcdefghi"));
814     test(S("abcdefghij"), 9, 1, "1234567890", 1, S("abcdefghi1"));
815     test(S("abcdefghij"), 9, 1, "1234567890", 5, S("abcdefghi12345"));
816     test(S("abcdefghij"), 9, 1, "1234567890", 9, S("abcdefghi123456789"));
817     test(S("abcdefghij"), 9, 1, "1234567890", 10, S("abcdefghi1234567890"));
818     test(S("abcdefghij"), 9, 1, "12345678901234567890", 0, S("abcdefghi"));
819     test(S("abcdefghij"), 9, 1, "12345678901234567890", 1, S("abcdefghi1"));
820     test(S("abcdefghij"), 9, 1, "12345678901234567890", 10, S("abcdefghi1234567890"));
821     test(S("abcdefghij"), 9, 1, "12345678901234567890", 19, S("abcdefghi1234567890123456789"));
822     test(S("abcdefghij"), 9, 1, "12345678901234567890", 20, S("abcdefghi12345678901234567890"));
823     test(S("abcdefghij"), 9, 2, "", 0, S("abcdefghi"));
824     test(S("abcdefghij"), 9, 2, "12345", 0, S("abcdefghi"));
825     test(S("abcdefghij"), 9, 2, "12345", 1, S("abcdefghi1"));
826     test(S("abcdefghij"), 9, 2, "12345", 2, S("abcdefghi12"));
827     test(S("abcdefghij"), 9, 2, "12345", 4, S("abcdefghi1234"));
828     test(S("abcdefghij"), 9, 2, "12345", 5, S("abcdefghi12345"));
829     test(S("abcdefghij"), 9, 2, "1234567890", 0, S("abcdefghi"));
830     test(S("abcdefghij"), 9, 2, "1234567890", 1, S("abcdefghi1"));
831     test(S("abcdefghij"), 9, 2, "1234567890", 5, S("abcdefghi12345"));
832     test(S("abcdefghij"), 9, 2, "1234567890", 9, S("abcdefghi123456789"));
833     test(S("abcdefghij"), 9, 2, "1234567890", 10, S("abcdefghi1234567890"));
834     test(S("abcdefghij"), 9, 2, "12345678901234567890", 0, S("abcdefghi"));
835     test(S("abcdefghij"), 9, 2, "12345678901234567890", 1, S("abcdefghi1"));
836     test(S("abcdefghij"), 9, 2, "12345678901234567890", 10, S("abcdefghi1234567890"));
837     test(S("abcdefghij"), 9, 2, "12345678901234567890", 19, S("abcdefghi1234567890123456789"));
838     test(S("abcdefghij"), 9, 2, "12345678901234567890", 20, S("abcdefghi12345678901234567890"));
839     test(S("abcdefghij"), 10, 0, "", 0, S("abcdefghij"));
840     test(S("abcdefghij"), 10, 0, "12345", 0, S("abcdefghij"));
841     test(S("abcdefghij"), 10, 0, "12345", 1, S("abcdefghij1"));
842     test(S("abcdefghij"), 10, 0, "12345", 2, S("abcdefghij12"));
843     test(S("abcdefghij"), 10, 0, "12345", 4, S("abcdefghij1234"));
844     test(S("abcdefghij"), 10, 0, "12345", 5, S("abcdefghij12345"));
845     test(S("abcdefghij"), 10, 0, "1234567890", 0, S("abcdefghij"));
846     test(S("abcdefghij"), 10, 0, "1234567890", 1, S("abcdefghij1"));
847     test(S("abcdefghij"), 10, 0, "1234567890", 5, S("abcdefghij12345"));
848     test(S("abcdefghij"), 10, 0, "1234567890", 9, S("abcdefghij123456789"));
849     test(S("abcdefghij"), 10, 0, "1234567890", 10, S("abcdefghij1234567890"));
850     test(S("abcdefghij"), 10, 0, "12345678901234567890", 0, S("abcdefghij"));
851     test(S("abcdefghij"), 10, 0, "12345678901234567890", 1, S("abcdefghij1"));
852     test(S("abcdefghij"), 10, 0, "12345678901234567890", 10, S("abcdefghij1234567890"));
853     test(S("abcdefghij"), 10, 0, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
854     test(S("abcdefghij"), 10, 0, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
855     test(S("abcdefghij"), 10, 1, "", 0, S("abcdefghij"));
856     test(S("abcdefghij"), 10, 1, "12345", 0, S("abcdefghij"));
857     test(S("abcdefghij"), 10, 1, "12345", 1, S("abcdefghij1"));
858     test(S("abcdefghij"), 10, 1, "12345", 2, S("abcdefghij12"));
859     test(S("abcdefghij"), 10, 1, "12345", 4, S("abcdefghij1234"));
860     test(S("abcdefghij"), 10, 1, "12345", 5, S("abcdefghij12345"));
861     test(S("abcdefghij"), 10, 1, "1234567890", 0, S("abcdefghij"));
862     test(S("abcdefghij"), 10, 1, "1234567890", 1, S("abcdefghij1"));
863     test(S("abcdefghij"), 10, 1, "1234567890", 5, S("abcdefghij12345"));
864     test(S("abcdefghij"), 10, 1, "1234567890", 9, S("abcdefghij123456789"));
865     test(S("abcdefghij"), 10, 1, "1234567890", 10, S("abcdefghij1234567890"));
866     test(S("abcdefghij"), 10, 1, "12345678901234567890", 0, S("abcdefghij"));
867     test(S("abcdefghij"), 10, 1, "12345678901234567890", 1, S("abcdefghij1"));
868     test(S("abcdefghij"), 10, 1, "12345678901234567890", 10, S("abcdefghij1234567890"));
869     test(S("abcdefghij"), 10, 1, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
870     test(S("abcdefghij"), 10, 1, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
871     test(S("abcdefghij"), 11, 0, "", 0, S("can't happen"));
872     test(S("abcdefghij"), 11, 0, "12345", 0, S("can't happen"));
873     test(S("abcdefghij"), 11, 0, "12345", 1, S("can't happen"));
874     test(S("abcdefghij"), 11, 0, "12345", 2, S("can't happen"));
875     test(S("abcdefghij"), 11, 0, "12345", 4, S("can't happen"));
876     test(S("abcdefghij"), 11, 0, "12345", 5, S("can't happen"));
877     test(S("abcdefghij"), 11, 0, "1234567890", 0, S("can't happen"));
878     test(S("abcdefghij"), 11, 0, "1234567890", 1, S("can't happen"));
879     test(S("abcdefghij"), 11, 0, "1234567890", 5, S("can't happen"));
880     test(S("abcdefghij"), 11, 0, "1234567890", 9, S("can't happen"));
881     test(S("abcdefghij"), 11, 0, "1234567890", 10, S("can't happen"));
882     test(S("abcdefghij"), 11, 0, "12345678901234567890", 0, S("can't happen"));
883     test(S("abcdefghij"), 11, 0, "12345678901234567890", 1, S("can't happen"));
884     test(S("abcdefghij"), 11, 0, "12345678901234567890", 10, S("can't happen"));
885     test(S("abcdefghij"), 11, 0, "12345678901234567890", 19, S("can't happen"));
886     test(S("abcdefghij"), 11, 0, "12345678901234567890", 20, S("can't happen"));
887 }
888 
889 template <class S>
890 void test8()
891 {
892     test(S("abcdefghijklmnopqrst"), 0, 0, "", 0, S("abcdefghijklmnopqrst"));
893     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 0, S("abcdefghijklmnopqrst"));
894     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 1, S("1abcdefghijklmnopqrst"));
895     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 2, S("12abcdefghijklmnopqrst"));
896     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 4, S("1234abcdefghijklmnopqrst"));
897     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", 5, S("12345abcdefghijklmnopqrst"));
898     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
899     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 1, S("1abcdefghijklmnopqrst"));
900     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 5, S("12345abcdefghijklmnopqrst"));
901     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 9, S("123456789abcdefghijklmnopqrst"));
902     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", 10, S("1234567890abcdefghijklmnopqrst"));
903     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
904     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 1, S("1abcdefghijklmnopqrst"));
905     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 10, S("1234567890abcdefghijklmnopqrst"));
906     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 19, S("1234567890123456789abcdefghijklmnopqrst"));
907     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", 20, S("12345678901234567890abcdefghijklmnopqrst"));
908     test(S("abcdefghijklmnopqrst"), 0, 1, "", 0, S("bcdefghijklmnopqrst"));
909     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 0, S("bcdefghijklmnopqrst"));
910     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 1, S("1bcdefghijklmnopqrst"));
911     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 2, S("12bcdefghijklmnopqrst"));
912     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 4, S("1234bcdefghijklmnopqrst"));
913     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", 5, S("12345bcdefghijklmnopqrst"));
914     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 0, S("bcdefghijklmnopqrst"));
915     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 1, S("1bcdefghijklmnopqrst"));
916     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 5, S("12345bcdefghijklmnopqrst"));
917     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 9, S("123456789bcdefghijklmnopqrst"));
918     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", 10, S("1234567890bcdefghijklmnopqrst"));
919     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 0, S("bcdefghijklmnopqrst"));
920     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 1, S("1bcdefghijklmnopqrst"));
921     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 10, S("1234567890bcdefghijklmnopqrst"));
922     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 19, S("1234567890123456789bcdefghijklmnopqrst"));
923     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", 20, S("12345678901234567890bcdefghijklmnopqrst"));
924     test(S("abcdefghijklmnopqrst"), 0, 10, "", 0, S("klmnopqrst"));
925     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 0, S("klmnopqrst"));
926     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 1, S("1klmnopqrst"));
927     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 2, S("12klmnopqrst"));
928     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 4, S("1234klmnopqrst"));
929     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", 5, S("12345klmnopqrst"));
930     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 0, S("klmnopqrst"));
931     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 1, S("1klmnopqrst"));
932     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 5, S("12345klmnopqrst"));
933     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 9, S("123456789klmnopqrst"));
934     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", 10, S("1234567890klmnopqrst"));
935     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 0, S("klmnopqrst"));
936     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 1, S("1klmnopqrst"));
937     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 10, S("1234567890klmnopqrst"));
938     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 19, S("1234567890123456789klmnopqrst"));
939     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", 20, S("12345678901234567890klmnopqrst"));
940     test(S("abcdefghijklmnopqrst"), 0, 19, "", 0, S("t"));
941     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 0, S("t"));
942     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 1, S("1t"));
943     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 2, S("12t"));
944     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 4, S("1234t"));
945     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", 5, S("12345t"));
946     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 0, S("t"));
947     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 1, S("1t"));
948     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 5, S("12345t"));
949     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 9, S("123456789t"));
950     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", 10, S("1234567890t"));
951     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 0, S("t"));
952     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 1, S("1t"));
953     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 10, S("1234567890t"));
954     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 19, S("1234567890123456789t"));
955     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", 20, S("12345678901234567890t"));
956     test(S("abcdefghijklmnopqrst"), 0, 20, "", 0, S(""));
957     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 0, S(""));
958     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 1, S("1"));
959     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 2, S("12"));
960     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 4, S("1234"));
961     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", 5, S("12345"));
962     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 0, S(""));
963     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 1, S("1"));
964     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 5, S("12345"));
965     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 9, S("123456789"));
966     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", 10, S("1234567890"));
967     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 0, S(""));
968     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 1, S("1"));
969     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 10, S("1234567890"));
970     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 19, S("1234567890123456789"));
971     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", 20, S("12345678901234567890"));
972     test(S("abcdefghijklmnopqrst"), 0, 21, "", 0, S(""));
973     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 0, S(""));
974     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 1, S("1"));
975     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 2, S("12"));
976     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 4, S("1234"));
977     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", 5, S("12345"));
978     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 0, S(""));
979     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 1, S("1"));
980     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 5, S("12345"));
981     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 9, S("123456789"));
982     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", 10, S("1234567890"));
983     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 0, S(""));
984     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 1, S("1"));
985     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 10, S("1234567890"));
986     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 19, S("1234567890123456789"));
987     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", 20, S("12345678901234567890"));
988     test(S("abcdefghijklmnopqrst"), 1, 0, "", 0, S("abcdefghijklmnopqrst"));
989     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 0, S("abcdefghijklmnopqrst"));
990     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 1, S("a1bcdefghijklmnopqrst"));
991     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 2, S("a12bcdefghijklmnopqrst"));
992 }
993 
994 template <class S>
995 void test9()
996 {
997     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 4, S("a1234bcdefghijklmnopqrst"));
998     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", 5, S("a12345bcdefghijklmnopqrst"));
999     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1000     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 1, S("a1bcdefghijklmnopqrst"));
1001     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 5, S("a12345bcdefghijklmnopqrst"));
1002     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 9, S("a123456789bcdefghijklmnopqrst"));
1003     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
1004     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1005     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 1, S("a1bcdefghijklmnopqrst"));
1006     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
1007     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 19, S("a1234567890123456789bcdefghijklmnopqrst"));
1008     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", 20, S("a12345678901234567890bcdefghijklmnopqrst"));
1009     test(S("abcdefghijklmnopqrst"), 1, 1, "", 0, S("acdefghijklmnopqrst"));
1010     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 0, S("acdefghijklmnopqrst"));
1011     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 1, S("a1cdefghijklmnopqrst"));
1012     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 2, S("a12cdefghijklmnopqrst"));
1013     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 4, S("a1234cdefghijklmnopqrst"));
1014     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", 5, S("a12345cdefghijklmnopqrst"));
1015     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 0, S("acdefghijklmnopqrst"));
1016     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 1, S("a1cdefghijklmnopqrst"));
1017     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 5, S("a12345cdefghijklmnopqrst"));
1018     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 9, S("a123456789cdefghijklmnopqrst"));
1019     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", 10, S("a1234567890cdefghijklmnopqrst"));
1020     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 0, S("acdefghijklmnopqrst"));
1021     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 1, S("a1cdefghijklmnopqrst"));
1022     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 10, S("a1234567890cdefghijklmnopqrst"));
1023     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 19, S("a1234567890123456789cdefghijklmnopqrst"));
1024     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", 20, S("a12345678901234567890cdefghijklmnopqrst"));
1025     test(S("abcdefghijklmnopqrst"), 1, 9, "", 0, S("aklmnopqrst"));
1026     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 0, S("aklmnopqrst"));
1027     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 1, S("a1klmnopqrst"));
1028     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 2, S("a12klmnopqrst"));
1029     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 4, S("a1234klmnopqrst"));
1030     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", 5, S("a12345klmnopqrst"));
1031     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 0, S("aklmnopqrst"));
1032     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 1, S("a1klmnopqrst"));
1033     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 5, S("a12345klmnopqrst"));
1034     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 9, S("a123456789klmnopqrst"));
1035     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", 10, S("a1234567890klmnopqrst"));
1036     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 0, S("aklmnopqrst"));
1037     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 1, S("a1klmnopqrst"));
1038     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 10, S("a1234567890klmnopqrst"));
1039     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 19, S("a1234567890123456789klmnopqrst"));
1040     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", 20, S("a12345678901234567890klmnopqrst"));
1041     test(S("abcdefghijklmnopqrst"), 1, 18, "", 0, S("at"));
1042     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 0, S("at"));
1043     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 1, S("a1t"));
1044     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 2, S("a12t"));
1045     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 4, S("a1234t"));
1046     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", 5, S("a12345t"));
1047     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 0, S("at"));
1048     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 1, S("a1t"));
1049     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 5, S("a12345t"));
1050     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 9, S("a123456789t"));
1051     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", 10, S("a1234567890t"));
1052     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 0, S("at"));
1053     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 1, S("a1t"));
1054     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 10, S("a1234567890t"));
1055     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 19, S("a1234567890123456789t"));
1056     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", 20, S("a12345678901234567890t"));
1057     test(S("abcdefghijklmnopqrst"), 1, 19, "", 0, S("a"));
1058     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 0, S("a"));
1059     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 1, S("a1"));
1060     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 2, S("a12"));
1061     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 4, S("a1234"));
1062     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", 5, S("a12345"));
1063     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 0, S("a"));
1064     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 1, S("a1"));
1065     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 5, S("a12345"));
1066     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 9, S("a123456789"));
1067     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", 10, S("a1234567890"));
1068     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 0, S("a"));
1069     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 1, S("a1"));
1070     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 10, S("a1234567890"));
1071     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 19, S("a1234567890123456789"));
1072     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", 20, S("a12345678901234567890"));
1073     test(S("abcdefghijklmnopqrst"), 1, 20, "", 0, S("a"));
1074     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 0, S("a"));
1075     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 1, S("a1"));
1076     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 2, S("a12"));
1077     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 4, S("a1234"));
1078     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", 5, S("a12345"));
1079     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 0, S("a"));
1080     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 1, S("a1"));
1081     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 5, S("a12345"));
1082     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 9, S("a123456789"));
1083     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", 10, S("a1234567890"));
1084     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 0, S("a"));
1085     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 1, S("a1"));
1086     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 10, S("a1234567890"));
1087     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 19, S("a1234567890123456789"));
1088     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", 20, S("a12345678901234567890"));
1089     test(S("abcdefghijklmnopqrst"), 10, 0, "", 0, S("abcdefghijklmnopqrst"));
1090     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1091     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 1, S("abcdefghij1klmnopqrst"));
1092     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 2, S("abcdefghij12klmnopqrst"));
1093     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 4, S("abcdefghij1234klmnopqrst"));
1094     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", 5, S("abcdefghij12345klmnopqrst"));
1095     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1096     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 1, S("abcdefghij1klmnopqrst"));
1097 }
1098 
1099 template <class S>
1100 void test10()
1101 {
1102     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 5, S("abcdefghij12345klmnopqrst"));
1103     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 9, S("abcdefghij123456789klmnopqrst"));
1104     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", 10, S("abcdefghij1234567890klmnopqrst"));
1105     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1106     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 1, S("abcdefghij1klmnopqrst"));
1107     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 10, S("abcdefghij1234567890klmnopqrst"));
1108     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 19, S("abcdefghij1234567890123456789klmnopqrst"));
1109     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", 20, S("abcdefghij12345678901234567890klmnopqrst"));
1110     test(S("abcdefghijklmnopqrst"), 10, 1, "", 0, S("abcdefghijlmnopqrst"));
1111     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 0, S("abcdefghijlmnopqrst"));
1112     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 1, S("abcdefghij1lmnopqrst"));
1113     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 2, S("abcdefghij12lmnopqrst"));
1114     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 4, S("abcdefghij1234lmnopqrst"));
1115     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", 5, S("abcdefghij12345lmnopqrst"));
1116     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 0, S("abcdefghijlmnopqrst"));
1117     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 1, S("abcdefghij1lmnopqrst"));
1118     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 5, S("abcdefghij12345lmnopqrst"));
1119     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 9, S("abcdefghij123456789lmnopqrst"));
1120     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", 10, S("abcdefghij1234567890lmnopqrst"));
1121     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 0, S("abcdefghijlmnopqrst"));
1122     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 1, S("abcdefghij1lmnopqrst"));
1123     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 10, S("abcdefghij1234567890lmnopqrst"));
1124     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 19, S("abcdefghij1234567890123456789lmnopqrst"));
1125     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", 20, S("abcdefghij12345678901234567890lmnopqrst"));
1126     test(S("abcdefghijklmnopqrst"), 10, 5, "", 0, S("abcdefghijpqrst"));
1127     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 0, S("abcdefghijpqrst"));
1128     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 1, S("abcdefghij1pqrst"));
1129     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 2, S("abcdefghij12pqrst"));
1130     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 4, S("abcdefghij1234pqrst"));
1131     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", 5, S("abcdefghij12345pqrst"));
1132     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 0, S("abcdefghijpqrst"));
1133     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 1, S("abcdefghij1pqrst"));
1134     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 5, S("abcdefghij12345pqrst"));
1135     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 9, S("abcdefghij123456789pqrst"));
1136     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", 10, S("abcdefghij1234567890pqrst"));
1137     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 0, S("abcdefghijpqrst"));
1138     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 1, S("abcdefghij1pqrst"));
1139     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 10, S("abcdefghij1234567890pqrst"));
1140     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 19, S("abcdefghij1234567890123456789pqrst"));
1141     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", 20, S("abcdefghij12345678901234567890pqrst"));
1142     test(S("abcdefghijklmnopqrst"), 10, 9, "", 0, S("abcdefghijt"));
1143     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 0, S("abcdefghijt"));
1144     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 1, S("abcdefghij1t"));
1145     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 2, S("abcdefghij12t"));
1146     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 4, S("abcdefghij1234t"));
1147     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", 5, S("abcdefghij12345t"));
1148     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 0, S("abcdefghijt"));
1149     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 1, S("abcdefghij1t"));
1150     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 5, S("abcdefghij12345t"));
1151     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 9, S("abcdefghij123456789t"));
1152     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", 10, S("abcdefghij1234567890t"));
1153     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 0, S("abcdefghijt"));
1154     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 1, S("abcdefghij1t"));
1155     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 10, S("abcdefghij1234567890t"));
1156     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 19, S("abcdefghij1234567890123456789t"));
1157     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", 20, S("abcdefghij12345678901234567890t"));
1158     test(S("abcdefghijklmnopqrst"), 10, 10, "", 0, S("abcdefghij"));
1159     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 0, S("abcdefghij"));
1160     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 1, S("abcdefghij1"));
1161     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 2, S("abcdefghij12"));
1162     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 4, S("abcdefghij1234"));
1163     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", 5, S("abcdefghij12345"));
1164     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 0, S("abcdefghij"));
1165     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 1, S("abcdefghij1"));
1166     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 5, S("abcdefghij12345"));
1167     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 9, S("abcdefghij123456789"));
1168     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", 10, S("abcdefghij1234567890"));
1169     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 0, S("abcdefghij"));
1170     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 1, S("abcdefghij1"));
1171     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 10, S("abcdefghij1234567890"));
1172     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
1173     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
1174     test(S("abcdefghijklmnopqrst"), 10, 11, "", 0, S("abcdefghij"));
1175     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 0, S("abcdefghij"));
1176     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 1, S("abcdefghij1"));
1177     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 2, S("abcdefghij12"));
1178     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 4, S("abcdefghij1234"));
1179     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", 5, S("abcdefghij12345"));
1180     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 0, S("abcdefghij"));
1181     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 1, S("abcdefghij1"));
1182     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 5, S("abcdefghij12345"));
1183     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 9, S("abcdefghij123456789"));
1184     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", 10, S("abcdefghij1234567890"));
1185     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 0, S("abcdefghij"));
1186     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 1, S("abcdefghij1"));
1187     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 10, S("abcdefghij1234567890"));
1188     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
1189     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
1190     test(S("abcdefghijklmnopqrst"), 19, 0, "", 0, S("abcdefghijklmnopqrst"));
1191     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1192     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 1, S("abcdefghijklmnopqrs1t"));
1193     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 2, S("abcdefghijklmnopqrs12t"));
1194     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 4, S("abcdefghijklmnopqrs1234t"));
1195     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", 5, S("abcdefghijklmnopqrs12345t"));
1196     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1197     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 1, S("abcdefghijklmnopqrs1t"));
1198     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 5, S("abcdefghijklmnopqrs12345t"));
1199     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 9, S("abcdefghijklmnopqrs123456789t"));
1200     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
1201     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1202 }
1203 
1204 template <class S>
1205 void test11()
1206 {
1207     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 1, S("abcdefghijklmnopqrs1t"));
1208     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
1209     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789t"));
1210     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890t"));
1211     test(S("abcdefghijklmnopqrst"), 19, 1, "", 0, S("abcdefghijklmnopqrs"));
1212     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 0, S("abcdefghijklmnopqrs"));
1213     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 1, S("abcdefghijklmnopqrs1"));
1214     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 2, S("abcdefghijklmnopqrs12"));
1215     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 4, S("abcdefghijklmnopqrs1234"));
1216     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", 5, S("abcdefghijklmnopqrs12345"));
1217     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 0, S("abcdefghijklmnopqrs"));
1218     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 1, S("abcdefghijklmnopqrs1"));
1219     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 5, S("abcdefghijklmnopqrs12345"));
1220     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 9, S("abcdefghijklmnopqrs123456789"));
1221     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1222     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 0, S("abcdefghijklmnopqrs"));
1223     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 1, S("abcdefghijklmnopqrs1"));
1224     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1225     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789"));
1226     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890"));
1227     test(S("abcdefghijklmnopqrst"), 19, 2, "", 0, S("abcdefghijklmnopqrs"));
1228     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 0, S("abcdefghijklmnopqrs"));
1229     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 1, S("abcdefghijklmnopqrs1"));
1230     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 2, S("abcdefghijklmnopqrs12"));
1231     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 4, S("abcdefghijklmnopqrs1234"));
1232     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", 5, S("abcdefghijklmnopqrs12345"));
1233     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 0, S("abcdefghijklmnopqrs"));
1234     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 1, S("abcdefghijklmnopqrs1"));
1235     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 5, S("abcdefghijklmnopqrs12345"));
1236     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 9, S("abcdefghijklmnopqrs123456789"));
1237     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1238     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 0, S("abcdefghijklmnopqrs"));
1239     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 1, S("abcdefghijklmnopqrs1"));
1240     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890"));
1241     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789"));
1242     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890"));
1243     test(S("abcdefghijklmnopqrst"), 20, 0, "", 0, S("abcdefghijklmnopqrst"));
1244     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 0, S("abcdefghijklmnopqrst"));
1245     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 1, S("abcdefghijklmnopqrst1"));
1246     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 2, S("abcdefghijklmnopqrst12"));
1247     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 4, S("abcdefghijklmnopqrst1234"));
1248     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", 5, S("abcdefghijklmnopqrst12345"));
1249     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
1250     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 1, S("abcdefghijklmnopqrst1"));
1251     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
1252     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
1253     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1254     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1255     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
1256     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1257     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
1258     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
1259     test(S("abcdefghijklmnopqrst"), 20, 1, "", 0, S("abcdefghijklmnopqrst"));
1260     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 0, S("abcdefghijklmnopqrst"));
1261     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 1, S("abcdefghijklmnopqrst1"));
1262     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 2, S("abcdefghijklmnopqrst12"));
1263     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 4, S("abcdefghijklmnopqrst1234"));
1264     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", 5, S("abcdefghijklmnopqrst12345"));
1265     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 0, S("abcdefghijklmnopqrst"));
1266     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 1, S("abcdefghijklmnopqrst1"));
1267     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
1268     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
1269     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1270     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
1271     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
1272     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
1273     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
1274     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
1275     test(S("abcdefghijklmnopqrst"), 21, 0, "", 0, S("can't happen"));
1276     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 0, S("can't happen"));
1277     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 1, S("can't happen"));
1278     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 2, S("can't happen"));
1279     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 4, S("can't happen"));
1280     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", 5, S("can't happen"));
1281     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 0, S("can't happen"));
1282     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 1, S("can't happen"));
1283     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 5, S("can't happen"));
1284     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 9, S("can't happen"));
1285     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", 10, S("can't happen"));
1286     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 0, S("can't happen"));
1287     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 1, S("can't happen"));
1288     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 10, S("can't happen"));
1289     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 19, S("can't happen"));
1290     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", 20, S("can't happen"));
1291 }
1292 
1293 int main()
1294 {
1295     {
1296     typedef std::string S;
1297     test0<S>();
1298     test1<S>();
1299     test2<S>();
1300     test3<S>();
1301     test4<S>();
1302     test5<S>();
1303     test6<S>();
1304     test7<S>();
1305     test8<S>();
1306     test9<S>();
1307     test10<S>();
1308     test11<S>();
1309     }
1310 #if __cplusplus >= 201103L
1311     {
1312     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
1313     test0<S>();
1314     test1<S>();
1315     test2<S>();
1316     test3<S>();
1317     test4<S>();
1318     test5<S>();
1319     test6<S>();
1320     test7<S>();
1321     test8<S>();
1322     test9<S>();
1323     test10<S>();
1324     test11<S>();
1325     }
1326 #endif
1327 }
1328