1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <string>
11 
12 // basic_string<charT,traits,Allocator>&
13 //   insert(size_type pos, const charT* s, size_type n);
14 
15 #include <string>
16 #include <stdexcept>
17 #include <cassert>
18 
19 #include "../../min_allocator.h"
20 
21 template <class S>
22 void
23 test(S s, typename S::size_type pos, const typename S::value_type* str,
24      typename S::size_type n, S expected)
25 {
26     typename S::size_type old_size = s.size();
27     S s0 = s;
28     try
29     {
30         s.insert(pos, str, n);
31         assert(s.__invariants());
32         assert(pos <= old_size);
33         assert(s == expected);
34     }
35     catch (std::out_of_range&)
36     {
37         assert(pos > old_size);
38         assert(s == s0);
39     }
40 }
41 
42 int main()
43 {
44     {
45     typedef std::string S;
46     test(S(""), 0, "", 0, S(""));
47     test(S(""), 0, "12345", 0, S(""));
48     test(S(""), 0, "12345", 1, S("1"));
49     test(S(""), 0, "12345", 2, S("12"));
50     test(S(""), 0, "12345", 4, S("1234"));
51     test(S(""), 0, "12345", 5, S("12345"));
52     test(S(""), 0, "1234567890", 0, S(""));
53     test(S(""), 0, "1234567890", 1, S("1"));
54     test(S(""), 0, "1234567890", 5, S("12345"));
55     test(S(""), 0, "1234567890", 9, S("123456789"));
56     test(S(""), 0, "1234567890", 10, S("1234567890"));
57     test(S(""), 0, "12345678901234567890", 0, S(""));
58     test(S(""), 0, "12345678901234567890", 1, S("1"));
59     test(S(""), 0, "12345678901234567890", 10, S("1234567890"));
60     test(S(""), 0, "12345678901234567890", 19, S("1234567890123456789"));
61     test(S(""), 0, "12345678901234567890", 20, S("12345678901234567890"));
62     test(S(""), 1, "", 0, S("can't happen"));
63     test(S(""), 1, "12345", 0, S("can't happen"));
64     test(S(""), 1, "12345", 1, S("can't happen"));
65     test(S(""), 1, "12345", 2, S("can't happen"));
66     test(S(""), 1, "12345", 4, S("can't happen"));
67     test(S(""), 1, "12345", 5, S("can't happen"));
68     test(S(""), 1, "1234567890", 0, S("can't happen"));
69     test(S(""), 1, "1234567890", 1, S("can't happen"));
70     test(S(""), 1, "1234567890", 5, S("can't happen"));
71     test(S(""), 1, "1234567890", 9, S("can't happen"));
72     test(S(""), 1, "1234567890", 10, S("can't happen"));
73     test(S(""), 1, "12345678901234567890", 0, S("can't happen"));
74     test(S(""), 1, "12345678901234567890", 1, S("can't happen"));
75     test(S(""), 1, "12345678901234567890", 10, S("can't happen"));
76     test(S(""), 1, "12345678901234567890", 19, S("can't happen"));
77     test(S(""), 1, "12345678901234567890", 20, S("can't happen"));
78     test(S("abcde"), 0, "", 0, S("abcde"));
79     test(S("abcde"), 0, "12345", 0, S("abcde"));
80     test(S("abcde"), 0, "12345", 1, S("1abcde"));
81     test(S("abcde"), 0, "12345", 2, S("12abcde"));
82     test(S("abcde"), 0, "12345", 4, S("1234abcde"));
83     test(S("abcde"), 0, "12345", 5, S("12345abcde"));
84     test(S("abcde"), 0, "1234567890", 0, S("abcde"));
85     test(S("abcde"), 0, "1234567890", 1, S("1abcde"));
86     test(S("abcde"), 0, "1234567890", 5, S("12345abcde"));
87     test(S("abcde"), 0, "1234567890", 9, S("123456789abcde"));
88     test(S("abcde"), 0, "1234567890", 10, S("1234567890abcde"));
89     test(S("abcde"), 0, "12345678901234567890", 0, S("abcde"));
90     test(S("abcde"), 0, "12345678901234567890", 1, S("1abcde"));
91     test(S("abcde"), 0, "12345678901234567890", 10, S("1234567890abcde"));
92     test(S("abcde"), 0, "12345678901234567890", 19, S("1234567890123456789abcde"));
93     test(S("abcde"), 0, "12345678901234567890", 20, S("12345678901234567890abcde"));
94     test(S("abcde"), 1, "", 0, S("abcde"));
95     test(S("abcde"), 1, "12345", 0, S("abcde"));
96     test(S("abcde"), 1, "12345", 1, S("a1bcde"));
97     test(S("abcde"), 1, "12345", 2, S("a12bcde"));
98     test(S("abcde"), 1, "12345", 4, S("a1234bcde"));
99     test(S("abcde"), 1, "12345", 5, S("a12345bcde"));
100     test(S("abcde"), 1, "1234567890", 0, S("abcde"));
101     test(S("abcde"), 1, "1234567890", 1, S("a1bcde"));
102     test(S("abcde"), 1, "1234567890", 5, S("a12345bcde"));
103     test(S("abcde"), 1, "1234567890", 9, S("a123456789bcde"));
104     test(S("abcde"), 1, "1234567890", 10, S("a1234567890bcde"));
105     test(S("abcde"), 1, "12345678901234567890", 0, S("abcde"));
106     test(S("abcde"), 1, "12345678901234567890", 1, S("a1bcde"));
107     test(S("abcde"), 1, "12345678901234567890", 10, S("a1234567890bcde"));
108     test(S("abcde"), 1, "12345678901234567890", 19, S("a1234567890123456789bcde"));
109     test(S("abcde"), 1, "12345678901234567890", 20, S("a12345678901234567890bcde"));
110     test(S("abcde"), 2, "", 0, S("abcde"));
111     test(S("abcde"), 2, "12345", 0, S("abcde"));
112     test(S("abcde"), 2, "12345", 1, S("ab1cde"));
113     test(S("abcde"), 2, "12345", 2, S("ab12cde"));
114     test(S("abcde"), 2, "12345", 4, S("ab1234cde"));
115     test(S("abcde"), 2, "12345", 5, S("ab12345cde"));
116     test(S("abcde"), 2, "1234567890", 0, S("abcde"));
117     test(S("abcde"), 2, "1234567890", 1, S("ab1cde"));
118     test(S("abcde"), 2, "1234567890", 5, S("ab12345cde"));
119     test(S("abcde"), 2, "1234567890", 9, S("ab123456789cde"));
120     test(S("abcde"), 2, "1234567890", 10, S("ab1234567890cde"));
121     test(S("abcde"), 2, "12345678901234567890", 0, S("abcde"));
122     test(S("abcde"), 2, "12345678901234567890", 1, S("ab1cde"));
123     test(S("abcde"), 2, "12345678901234567890", 10, S("ab1234567890cde"));
124     test(S("abcde"), 2, "12345678901234567890", 19, S("ab1234567890123456789cde"));
125     test(S("abcde"), 2, "12345678901234567890", 20, S("ab12345678901234567890cde"));
126     test(S("abcde"), 4, "", 0, S("abcde"));
127     test(S("abcde"), 4, "12345", 0, S("abcde"));
128     test(S("abcde"), 4, "12345", 1, S("abcd1e"));
129     test(S("abcde"), 4, "12345", 2, S("abcd12e"));
130     test(S("abcde"), 4, "12345", 4, S("abcd1234e"));
131     test(S("abcde"), 4, "12345", 5, S("abcd12345e"));
132     test(S("abcde"), 4, "1234567890", 0, S("abcde"));
133     test(S("abcde"), 4, "1234567890", 1, S("abcd1e"));
134     test(S("abcde"), 4, "1234567890", 5, S("abcd12345e"));
135     test(S("abcde"), 4, "1234567890", 9, S("abcd123456789e"));
136     test(S("abcde"), 4, "1234567890", 10, S("abcd1234567890e"));
137     test(S("abcde"), 4, "12345678901234567890", 0, S("abcde"));
138     test(S("abcde"), 4, "12345678901234567890", 1, S("abcd1e"));
139     test(S("abcde"), 4, "12345678901234567890", 10, S("abcd1234567890e"));
140     test(S("abcde"), 4, "12345678901234567890", 19, S("abcd1234567890123456789e"));
141     test(S("abcde"), 4, "12345678901234567890", 20, S("abcd12345678901234567890e"));
142     test(S("abcde"), 5, "", 0, S("abcde"));
143     test(S("abcde"), 5, "12345", 0, S("abcde"));
144     test(S("abcde"), 5, "12345", 1, S("abcde1"));
145     test(S("abcde"), 5, "12345", 2, S("abcde12"));
146     test(S("abcde"), 5, "12345", 4, S("abcde1234"));
147     test(S("abcde"), 5, "12345", 5, S("abcde12345"));
148     test(S("abcde"), 5, "1234567890", 0, S("abcde"));
149     test(S("abcde"), 5, "1234567890", 1, S("abcde1"));
150     test(S("abcde"), 5, "1234567890", 5, S("abcde12345"));
151     test(S("abcde"), 5, "1234567890", 9, S("abcde123456789"));
152     test(S("abcde"), 5, "1234567890", 10, S("abcde1234567890"));
153     test(S("abcde"), 5, "12345678901234567890", 0, S("abcde"));
154     test(S("abcde"), 5, "12345678901234567890", 1, S("abcde1"));
155     test(S("abcde"), 5, "12345678901234567890", 10, S("abcde1234567890"));
156     test(S("abcde"), 5, "12345678901234567890", 19, S("abcde1234567890123456789"));
157     test(S("abcde"), 5, "12345678901234567890", 20, S("abcde12345678901234567890"));
158     test(S("abcde"), 6, "", 0, S("can't happen"));
159     test(S("abcde"), 6, "12345", 0, S("can't happen"));
160     test(S("abcde"), 6, "12345", 1, S("can't happen"));
161     test(S("abcde"), 6, "12345", 2, S("can't happen"));
162     test(S("abcde"), 6, "12345", 4, S("can't happen"));
163     test(S("abcde"), 6, "12345", 5, S("can't happen"));
164     test(S("abcde"), 6, "1234567890", 0, S("can't happen"));
165     test(S("abcde"), 6, "1234567890", 1, S("can't happen"));
166     test(S("abcde"), 6, "1234567890", 5, S("can't happen"));
167     test(S("abcde"), 6, "1234567890", 9, S("can't happen"));
168     test(S("abcde"), 6, "1234567890", 10, S("can't happen"));
169     test(S("abcde"), 6, "12345678901234567890", 0, S("can't happen"));
170     test(S("abcde"), 6, "12345678901234567890", 1, S("can't happen"));
171     test(S("abcde"), 6, "12345678901234567890", 10, S("can't happen"));
172     test(S("abcde"), 6, "12345678901234567890", 19, S("can't happen"));
173     test(S("abcde"), 6, "12345678901234567890", 20, S("can't happen"));
174     test(S("abcdefghij"), 0, "", 0, S("abcdefghij"));
175     test(S("abcdefghij"), 0, "12345", 0, S("abcdefghij"));
176     test(S("abcdefghij"), 0, "12345", 1, S("1abcdefghij"));
177     test(S("abcdefghij"), 0, "12345", 2, S("12abcdefghij"));
178     test(S("abcdefghij"), 0, "12345", 4, S("1234abcdefghij"));
179     test(S("abcdefghij"), 0, "12345", 5, S("12345abcdefghij"));
180     test(S("abcdefghij"), 0, "1234567890", 0, S("abcdefghij"));
181     test(S("abcdefghij"), 0, "1234567890", 1, S("1abcdefghij"));
182     test(S("abcdefghij"), 0, "1234567890", 5, S("12345abcdefghij"));
183     test(S("abcdefghij"), 0, "1234567890", 9, S("123456789abcdefghij"));
184     test(S("abcdefghij"), 0, "1234567890", 10, S("1234567890abcdefghij"));
185     test(S("abcdefghij"), 0, "12345678901234567890", 0, S("abcdefghij"));
186     test(S("abcdefghij"), 0, "12345678901234567890", 1, S("1abcdefghij"));
187     test(S("abcdefghij"), 0, "12345678901234567890", 10, S("1234567890abcdefghij"));
188     test(S("abcdefghij"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghij"));
189     test(S("abcdefghij"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghij"));
190     test(S("abcdefghij"), 1, "", 0, S("abcdefghij"));
191     test(S("abcdefghij"), 1, "12345", 0, S("abcdefghij"));
192     test(S("abcdefghij"), 1, "12345", 1, S("a1bcdefghij"));
193     test(S("abcdefghij"), 1, "12345", 2, S("a12bcdefghij"));
194     test(S("abcdefghij"), 1, "12345", 4, S("a1234bcdefghij"));
195     test(S("abcdefghij"), 1, "12345", 5, S("a12345bcdefghij"));
196     test(S("abcdefghij"), 1, "1234567890", 0, S("abcdefghij"));
197     test(S("abcdefghij"), 1, "1234567890", 1, S("a1bcdefghij"));
198     test(S("abcdefghij"), 1, "1234567890", 5, S("a12345bcdefghij"));
199     test(S("abcdefghij"), 1, "1234567890", 9, S("a123456789bcdefghij"));
200     test(S("abcdefghij"), 1, "1234567890", 10, S("a1234567890bcdefghij"));
201     test(S("abcdefghij"), 1, "12345678901234567890", 0, S("abcdefghij"));
202     test(S("abcdefghij"), 1, "12345678901234567890", 1, S("a1bcdefghij"));
203     test(S("abcdefghij"), 1, "12345678901234567890", 10, S("a1234567890bcdefghij"));
204     test(S("abcdefghij"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghij"));
205     test(S("abcdefghij"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghij"));
206     test(S("abcdefghij"), 5, "", 0, S("abcdefghij"));
207     test(S("abcdefghij"), 5, "12345", 0, S("abcdefghij"));
208     test(S("abcdefghij"), 5, "12345", 1, S("abcde1fghij"));
209     test(S("abcdefghij"), 5, "12345", 2, S("abcde12fghij"));
210     test(S("abcdefghij"), 5, "12345", 4, S("abcde1234fghij"));
211     test(S("abcdefghij"), 5, "12345", 5, S("abcde12345fghij"));
212     test(S("abcdefghij"), 5, "1234567890", 0, S("abcdefghij"));
213     test(S("abcdefghij"), 5, "1234567890", 1, S("abcde1fghij"));
214     test(S("abcdefghij"), 5, "1234567890", 5, S("abcde12345fghij"));
215     test(S("abcdefghij"), 5, "1234567890", 9, S("abcde123456789fghij"));
216     test(S("abcdefghij"), 5, "1234567890", 10, S("abcde1234567890fghij"));
217     test(S("abcdefghij"), 5, "12345678901234567890", 0, S("abcdefghij"));
218     test(S("abcdefghij"), 5, "12345678901234567890", 1, S("abcde1fghij"));
219     test(S("abcdefghij"), 5, "12345678901234567890", 10, S("abcde1234567890fghij"));
220     test(S("abcdefghij"), 5, "12345678901234567890", 19, S("abcde1234567890123456789fghij"));
221     test(S("abcdefghij"), 5, "12345678901234567890", 20, S("abcde12345678901234567890fghij"));
222     test(S("abcdefghij"), 9, "", 0, S("abcdefghij"));
223     test(S("abcdefghij"), 9, "12345", 0, S("abcdefghij"));
224     test(S("abcdefghij"), 9, "12345", 1, S("abcdefghi1j"));
225     test(S("abcdefghij"), 9, "12345", 2, S("abcdefghi12j"));
226     test(S("abcdefghij"), 9, "12345", 4, S("abcdefghi1234j"));
227     test(S("abcdefghij"), 9, "12345", 5, S("abcdefghi12345j"));
228     test(S("abcdefghij"), 9, "1234567890", 0, S("abcdefghij"));
229     test(S("abcdefghij"), 9, "1234567890", 1, S("abcdefghi1j"));
230     test(S("abcdefghij"), 9, "1234567890", 5, S("abcdefghi12345j"));
231     test(S("abcdefghij"), 9, "1234567890", 9, S("abcdefghi123456789j"));
232     test(S("abcdefghij"), 9, "1234567890", 10, S("abcdefghi1234567890j"));
233     test(S("abcdefghij"), 9, "12345678901234567890", 0, S("abcdefghij"));
234     test(S("abcdefghij"), 9, "12345678901234567890", 1, S("abcdefghi1j"));
235     test(S("abcdefghij"), 9, "12345678901234567890", 10, S("abcdefghi1234567890j"));
236     test(S("abcdefghij"), 9, "12345678901234567890", 19, S("abcdefghi1234567890123456789j"));
237     test(S("abcdefghij"), 9, "12345678901234567890", 20, S("abcdefghi12345678901234567890j"));
238     test(S("abcdefghij"), 10, "", 0, S("abcdefghij"));
239     test(S("abcdefghij"), 10, "12345", 0, S("abcdefghij"));
240     test(S("abcdefghij"), 10, "12345", 1, S("abcdefghij1"));
241     test(S("abcdefghij"), 10, "12345", 2, S("abcdefghij12"));
242     test(S("abcdefghij"), 10, "12345", 4, S("abcdefghij1234"));
243     test(S("abcdefghij"), 10, "12345", 5, S("abcdefghij12345"));
244     test(S("abcdefghij"), 10, "1234567890", 0, S("abcdefghij"));
245     test(S("abcdefghij"), 10, "1234567890", 1, S("abcdefghij1"));
246     test(S("abcdefghij"), 10, "1234567890", 5, S("abcdefghij12345"));
247     test(S("abcdefghij"), 10, "1234567890", 9, S("abcdefghij123456789"));
248     test(S("abcdefghij"), 10, "1234567890", 10, S("abcdefghij1234567890"));
249     test(S("abcdefghij"), 10, "12345678901234567890", 0, S("abcdefghij"));
250     test(S("abcdefghij"), 10, "12345678901234567890", 1, S("abcdefghij1"));
251     test(S("abcdefghij"), 10, "12345678901234567890", 10, S("abcdefghij1234567890"));
252     test(S("abcdefghij"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
253     test(S("abcdefghij"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
254     test(S("abcdefghij"), 11, "", 0, S("can't happen"));
255     test(S("abcdefghij"), 11, "12345", 0, S("can't happen"));
256     test(S("abcdefghij"), 11, "12345", 1, S("can't happen"));
257     test(S("abcdefghij"), 11, "12345", 2, S("can't happen"));
258     test(S("abcdefghij"), 11, "12345", 4, S("can't happen"));
259     test(S("abcdefghij"), 11, "12345", 5, S("can't happen"));
260     test(S("abcdefghij"), 11, "1234567890", 0, S("can't happen"));
261     test(S("abcdefghij"), 11, "1234567890", 1, S("can't happen"));
262     test(S("abcdefghij"), 11, "1234567890", 5, S("can't happen"));
263     test(S("abcdefghij"), 11, "1234567890", 9, S("can't happen"));
264     test(S("abcdefghij"), 11, "1234567890", 10, S("can't happen"));
265     test(S("abcdefghij"), 11, "12345678901234567890", 0, S("can't happen"));
266     test(S("abcdefghij"), 11, "12345678901234567890", 1, S("can't happen"));
267     test(S("abcdefghij"), 11, "12345678901234567890", 10, S("can't happen"));
268     test(S("abcdefghij"), 11, "12345678901234567890", 19, S("can't happen"));
269     test(S("abcdefghij"), 11, "12345678901234567890", 20, S("can't happen"));
270     test(S("abcdefghijklmnopqrst"), 0, "", 0, S("abcdefghijklmnopqrst"));
271     test(S("abcdefghijklmnopqrst"), 0, "12345", 0, S("abcdefghijklmnopqrst"));
272     test(S("abcdefghijklmnopqrst"), 0, "12345", 1, S("1abcdefghijklmnopqrst"));
273     test(S("abcdefghijklmnopqrst"), 0, "12345", 2, S("12abcdefghijklmnopqrst"));
274     test(S("abcdefghijklmnopqrst"), 0, "12345", 4, S("1234abcdefghijklmnopqrst"));
275     test(S("abcdefghijklmnopqrst"), 0, "12345", 5, S("12345abcdefghijklmnopqrst"));
276     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
277     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 1, S("1abcdefghijklmnopqrst"));
278     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 5, S("12345abcdefghijklmnopqrst"));
279     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 9, S("123456789abcdefghijklmnopqrst"));
280     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 10, S("1234567890abcdefghijklmnopqrst"));
281     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
282     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 1, S("1abcdefghijklmnopqrst"));
283     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 10, S("1234567890abcdefghijklmnopqrst"));
284     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghijklmnopqrst"));
285     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghijklmnopqrst"));
286     test(S("abcdefghijklmnopqrst"), 1, "", 0, S("abcdefghijklmnopqrst"));
287     test(S("abcdefghijklmnopqrst"), 1, "12345", 0, S("abcdefghijklmnopqrst"));
288     test(S("abcdefghijklmnopqrst"), 1, "12345", 1, S("a1bcdefghijklmnopqrst"));
289     test(S("abcdefghijklmnopqrst"), 1, "12345", 2, S("a12bcdefghijklmnopqrst"));
290     test(S("abcdefghijklmnopqrst"), 1, "12345", 4, S("a1234bcdefghijklmnopqrst"));
291     test(S("abcdefghijklmnopqrst"), 1, "12345", 5, S("a12345bcdefghijklmnopqrst"));
292     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 0, S("abcdefghijklmnopqrst"));
293     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 1, S("a1bcdefghijklmnopqrst"));
294     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 5, S("a12345bcdefghijklmnopqrst"));
295     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 9, S("a123456789bcdefghijklmnopqrst"));
296     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
297     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
298     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 1, S("a1bcdefghijklmnopqrst"));
299     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
300     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghijklmnopqrst"));
301     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghijklmnopqrst"));
302     test(S("abcdefghijklmnopqrst"), 10, "", 0, S("abcdefghijklmnopqrst"));
303     test(S("abcdefghijklmnopqrst"), 10, "12345", 0, S("abcdefghijklmnopqrst"));
304     test(S("abcdefghijklmnopqrst"), 10, "12345", 1, S("abcdefghij1klmnopqrst"));
305     test(S("abcdefghijklmnopqrst"), 10, "12345", 2, S("abcdefghij12klmnopqrst"));
306     test(S("abcdefghijklmnopqrst"), 10, "12345", 4, S("abcdefghij1234klmnopqrst"));
307     test(S("abcdefghijklmnopqrst"), 10, "12345", 5, S("abcdefghij12345klmnopqrst"));
308     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 0, S("abcdefghijklmnopqrst"));
309     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 1, S("abcdefghij1klmnopqrst"));
310     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 5, S("abcdefghij12345klmnopqrst"));
311     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 9, S("abcdefghij123456789klmnopqrst"));
312     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 10, S("abcdefghij1234567890klmnopqrst"));
313     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
314     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 1, S("abcdefghij1klmnopqrst"));
315     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 10, S("abcdefghij1234567890klmnopqrst"));
316     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789klmnopqrst"));
317     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890klmnopqrst"));
318     test(S("abcdefghijklmnopqrst"), 19, "", 0, S("abcdefghijklmnopqrst"));
319     test(S("abcdefghijklmnopqrst"), 19, "12345", 0, S("abcdefghijklmnopqrst"));
320     test(S("abcdefghijklmnopqrst"), 19, "12345", 1, S("abcdefghijklmnopqrs1t"));
321     test(S("abcdefghijklmnopqrst"), 19, "12345", 2, S("abcdefghijklmnopqrs12t"));
322     test(S("abcdefghijklmnopqrst"), 19, "12345", 4, S("abcdefghijklmnopqrs1234t"));
323     test(S("abcdefghijklmnopqrst"), 19, "12345", 5, S("abcdefghijklmnopqrs12345t"));
324     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 0, S("abcdefghijklmnopqrst"));
325     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 1, S("abcdefghijklmnopqrs1t"));
326     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 5, S("abcdefghijklmnopqrs12345t"));
327     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 9, S("abcdefghijklmnopqrs123456789t"));
328     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
329     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
330     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 1, S("abcdefghijklmnopqrs1t"));
331     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
332     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789t"));
333     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890t"));
334     test(S("abcdefghijklmnopqrst"), 20, "", 0, S("abcdefghijklmnopqrst"));
335     test(S("abcdefghijklmnopqrst"), 20, "12345", 0, S("abcdefghijklmnopqrst"));
336     test(S("abcdefghijklmnopqrst"), 20, "12345", 1, S("abcdefghijklmnopqrst1"));
337     test(S("abcdefghijklmnopqrst"), 20, "12345", 2, S("abcdefghijklmnopqrst12"));
338     test(S("abcdefghijklmnopqrst"), 20, "12345", 4, S("abcdefghijklmnopqrst1234"));
339     test(S("abcdefghijklmnopqrst"), 20, "12345", 5, S("abcdefghijklmnopqrst12345"));
340     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 0, S("abcdefghijklmnopqrst"));
341     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 1, S("abcdefghijklmnopqrst1"));
342     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
343     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
344     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
345     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
346     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
347     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
348     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
349     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
350     test(S("abcdefghijklmnopqrst"), 21, "", 0, S("can't happen"));
351     test(S("abcdefghijklmnopqrst"), 21, "12345", 0, S("can't happen"));
352     test(S("abcdefghijklmnopqrst"), 21, "12345", 1, S("can't happen"));
353     test(S("abcdefghijklmnopqrst"), 21, "12345", 2, S("can't happen"));
354     test(S("abcdefghijklmnopqrst"), 21, "12345", 4, S("can't happen"));
355     test(S("abcdefghijklmnopqrst"), 21, "12345", 5, S("can't happen"));
356     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 0, S("can't happen"));
357     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 1, S("can't happen"));
358     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 5, S("can't happen"));
359     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 9, S("can't happen"));
360     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 10, S("can't happen"));
361     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 0, S("can't happen"));
362     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 1, S("can't happen"));
363     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 10, S("can't happen"));
364     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 19, S("can't happen"));
365     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 20, S("can't happen"));
366     }
367 #if __cplusplus >= 201103L
368     {
369     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
370     test(S(""), 0, "", 0, S(""));
371     test(S(""), 0, "12345", 0, S(""));
372     test(S(""), 0, "12345", 1, S("1"));
373     test(S(""), 0, "12345", 2, S("12"));
374     test(S(""), 0, "12345", 4, S("1234"));
375     test(S(""), 0, "12345", 5, S("12345"));
376     test(S(""), 0, "1234567890", 0, S(""));
377     test(S(""), 0, "1234567890", 1, S("1"));
378     test(S(""), 0, "1234567890", 5, S("12345"));
379     test(S(""), 0, "1234567890", 9, S("123456789"));
380     test(S(""), 0, "1234567890", 10, S("1234567890"));
381     test(S(""), 0, "12345678901234567890", 0, S(""));
382     test(S(""), 0, "12345678901234567890", 1, S("1"));
383     test(S(""), 0, "12345678901234567890", 10, S("1234567890"));
384     test(S(""), 0, "12345678901234567890", 19, S("1234567890123456789"));
385     test(S(""), 0, "12345678901234567890", 20, S("12345678901234567890"));
386     test(S(""), 1, "", 0, S("can't happen"));
387     test(S(""), 1, "12345", 0, S("can't happen"));
388     test(S(""), 1, "12345", 1, S("can't happen"));
389     test(S(""), 1, "12345", 2, S("can't happen"));
390     test(S(""), 1, "12345", 4, S("can't happen"));
391     test(S(""), 1, "12345", 5, S("can't happen"));
392     test(S(""), 1, "1234567890", 0, S("can't happen"));
393     test(S(""), 1, "1234567890", 1, S("can't happen"));
394     test(S(""), 1, "1234567890", 5, S("can't happen"));
395     test(S(""), 1, "1234567890", 9, S("can't happen"));
396     test(S(""), 1, "1234567890", 10, S("can't happen"));
397     test(S(""), 1, "12345678901234567890", 0, S("can't happen"));
398     test(S(""), 1, "12345678901234567890", 1, S("can't happen"));
399     test(S(""), 1, "12345678901234567890", 10, S("can't happen"));
400     test(S(""), 1, "12345678901234567890", 19, S("can't happen"));
401     test(S(""), 1, "12345678901234567890", 20, S("can't happen"));
402     test(S("abcde"), 0, "", 0, S("abcde"));
403     test(S("abcde"), 0, "12345", 0, S("abcde"));
404     test(S("abcde"), 0, "12345", 1, S("1abcde"));
405     test(S("abcde"), 0, "12345", 2, S("12abcde"));
406     test(S("abcde"), 0, "12345", 4, S("1234abcde"));
407     test(S("abcde"), 0, "12345", 5, S("12345abcde"));
408     test(S("abcde"), 0, "1234567890", 0, S("abcde"));
409     test(S("abcde"), 0, "1234567890", 1, S("1abcde"));
410     test(S("abcde"), 0, "1234567890", 5, S("12345abcde"));
411     test(S("abcde"), 0, "1234567890", 9, S("123456789abcde"));
412     test(S("abcde"), 0, "1234567890", 10, S("1234567890abcde"));
413     test(S("abcde"), 0, "12345678901234567890", 0, S("abcde"));
414     test(S("abcde"), 0, "12345678901234567890", 1, S("1abcde"));
415     test(S("abcde"), 0, "12345678901234567890", 10, S("1234567890abcde"));
416     test(S("abcde"), 0, "12345678901234567890", 19, S("1234567890123456789abcde"));
417     test(S("abcde"), 0, "12345678901234567890", 20, S("12345678901234567890abcde"));
418     test(S("abcde"), 1, "", 0, S("abcde"));
419     test(S("abcde"), 1, "12345", 0, S("abcde"));
420     test(S("abcde"), 1, "12345", 1, S("a1bcde"));
421     test(S("abcde"), 1, "12345", 2, S("a12bcde"));
422     test(S("abcde"), 1, "12345", 4, S("a1234bcde"));
423     test(S("abcde"), 1, "12345", 5, S("a12345bcde"));
424     test(S("abcde"), 1, "1234567890", 0, S("abcde"));
425     test(S("abcde"), 1, "1234567890", 1, S("a1bcde"));
426     test(S("abcde"), 1, "1234567890", 5, S("a12345bcde"));
427     test(S("abcde"), 1, "1234567890", 9, S("a123456789bcde"));
428     test(S("abcde"), 1, "1234567890", 10, S("a1234567890bcde"));
429     test(S("abcde"), 1, "12345678901234567890", 0, S("abcde"));
430     test(S("abcde"), 1, "12345678901234567890", 1, S("a1bcde"));
431     test(S("abcde"), 1, "12345678901234567890", 10, S("a1234567890bcde"));
432     test(S("abcde"), 1, "12345678901234567890", 19, S("a1234567890123456789bcde"));
433     test(S("abcde"), 1, "12345678901234567890", 20, S("a12345678901234567890bcde"));
434     test(S("abcde"), 2, "", 0, S("abcde"));
435     test(S("abcde"), 2, "12345", 0, S("abcde"));
436     test(S("abcde"), 2, "12345", 1, S("ab1cde"));
437     test(S("abcde"), 2, "12345", 2, S("ab12cde"));
438     test(S("abcde"), 2, "12345", 4, S("ab1234cde"));
439     test(S("abcde"), 2, "12345", 5, S("ab12345cde"));
440     test(S("abcde"), 2, "1234567890", 0, S("abcde"));
441     test(S("abcde"), 2, "1234567890", 1, S("ab1cde"));
442     test(S("abcde"), 2, "1234567890", 5, S("ab12345cde"));
443     test(S("abcde"), 2, "1234567890", 9, S("ab123456789cde"));
444     test(S("abcde"), 2, "1234567890", 10, S("ab1234567890cde"));
445     test(S("abcde"), 2, "12345678901234567890", 0, S("abcde"));
446     test(S("abcde"), 2, "12345678901234567890", 1, S("ab1cde"));
447     test(S("abcde"), 2, "12345678901234567890", 10, S("ab1234567890cde"));
448     test(S("abcde"), 2, "12345678901234567890", 19, S("ab1234567890123456789cde"));
449     test(S("abcde"), 2, "12345678901234567890", 20, S("ab12345678901234567890cde"));
450     test(S("abcde"), 4, "", 0, S("abcde"));
451     test(S("abcde"), 4, "12345", 0, S("abcde"));
452     test(S("abcde"), 4, "12345", 1, S("abcd1e"));
453     test(S("abcde"), 4, "12345", 2, S("abcd12e"));
454     test(S("abcde"), 4, "12345", 4, S("abcd1234e"));
455     test(S("abcde"), 4, "12345", 5, S("abcd12345e"));
456     test(S("abcde"), 4, "1234567890", 0, S("abcde"));
457     test(S("abcde"), 4, "1234567890", 1, S("abcd1e"));
458     test(S("abcde"), 4, "1234567890", 5, S("abcd12345e"));
459     test(S("abcde"), 4, "1234567890", 9, S("abcd123456789e"));
460     test(S("abcde"), 4, "1234567890", 10, S("abcd1234567890e"));
461     test(S("abcde"), 4, "12345678901234567890", 0, S("abcde"));
462     test(S("abcde"), 4, "12345678901234567890", 1, S("abcd1e"));
463     test(S("abcde"), 4, "12345678901234567890", 10, S("abcd1234567890e"));
464     test(S("abcde"), 4, "12345678901234567890", 19, S("abcd1234567890123456789e"));
465     test(S("abcde"), 4, "12345678901234567890", 20, S("abcd12345678901234567890e"));
466     test(S("abcde"), 5, "", 0, S("abcde"));
467     test(S("abcde"), 5, "12345", 0, S("abcde"));
468     test(S("abcde"), 5, "12345", 1, S("abcde1"));
469     test(S("abcde"), 5, "12345", 2, S("abcde12"));
470     test(S("abcde"), 5, "12345", 4, S("abcde1234"));
471     test(S("abcde"), 5, "12345", 5, S("abcde12345"));
472     test(S("abcde"), 5, "1234567890", 0, S("abcde"));
473     test(S("abcde"), 5, "1234567890", 1, S("abcde1"));
474     test(S("abcde"), 5, "1234567890", 5, S("abcde12345"));
475     test(S("abcde"), 5, "1234567890", 9, S("abcde123456789"));
476     test(S("abcde"), 5, "1234567890", 10, S("abcde1234567890"));
477     test(S("abcde"), 5, "12345678901234567890", 0, S("abcde"));
478     test(S("abcde"), 5, "12345678901234567890", 1, S("abcde1"));
479     test(S("abcde"), 5, "12345678901234567890", 10, S("abcde1234567890"));
480     test(S("abcde"), 5, "12345678901234567890", 19, S("abcde1234567890123456789"));
481     test(S("abcde"), 5, "12345678901234567890", 20, S("abcde12345678901234567890"));
482     test(S("abcde"), 6, "", 0, S("can't happen"));
483     test(S("abcde"), 6, "12345", 0, S("can't happen"));
484     test(S("abcde"), 6, "12345", 1, S("can't happen"));
485     test(S("abcde"), 6, "12345", 2, S("can't happen"));
486     test(S("abcde"), 6, "12345", 4, S("can't happen"));
487     test(S("abcde"), 6, "12345", 5, S("can't happen"));
488     test(S("abcde"), 6, "1234567890", 0, S("can't happen"));
489     test(S("abcde"), 6, "1234567890", 1, S("can't happen"));
490     test(S("abcde"), 6, "1234567890", 5, S("can't happen"));
491     test(S("abcde"), 6, "1234567890", 9, S("can't happen"));
492     test(S("abcde"), 6, "1234567890", 10, S("can't happen"));
493     test(S("abcde"), 6, "12345678901234567890", 0, S("can't happen"));
494     test(S("abcde"), 6, "12345678901234567890", 1, S("can't happen"));
495     test(S("abcde"), 6, "12345678901234567890", 10, S("can't happen"));
496     test(S("abcde"), 6, "12345678901234567890", 19, S("can't happen"));
497     test(S("abcde"), 6, "12345678901234567890", 20, S("can't happen"));
498     test(S("abcdefghij"), 0, "", 0, S("abcdefghij"));
499     test(S("abcdefghij"), 0, "12345", 0, S("abcdefghij"));
500     test(S("abcdefghij"), 0, "12345", 1, S("1abcdefghij"));
501     test(S("abcdefghij"), 0, "12345", 2, S("12abcdefghij"));
502     test(S("abcdefghij"), 0, "12345", 4, S("1234abcdefghij"));
503     test(S("abcdefghij"), 0, "12345", 5, S("12345abcdefghij"));
504     test(S("abcdefghij"), 0, "1234567890", 0, S("abcdefghij"));
505     test(S("abcdefghij"), 0, "1234567890", 1, S("1abcdefghij"));
506     test(S("abcdefghij"), 0, "1234567890", 5, S("12345abcdefghij"));
507     test(S("abcdefghij"), 0, "1234567890", 9, S("123456789abcdefghij"));
508     test(S("abcdefghij"), 0, "1234567890", 10, S("1234567890abcdefghij"));
509     test(S("abcdefghij"), 0, "12345678901234567890", 0, S("abcdefghij"));
510     test(S("abcdefghij"), 0, "12345678901234567890", 1, S("1abcdefghij"));
511     test(S("abcdefghij"), 0, "12345678901234567890", 10, S("1234567890abcdefghij"));
512     test(S("abcdefghij"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghij"));
513     test(S("abcdefghij"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghij"));
514     test(S("abcdefghij"), 1, "", 0, S("abcdefghij"));
515     test(S("abcdefghij"), 1, "12345", 0, S("abcdefghij"));
516     test(S("abcdefghij"), 1, "12345", 1, S("a1bcdefghij"));
517     test(S("abcdefghij"), 1, "12345", 2, S("a12bcdefghij"));
518     test(S("abcdefghij"), 1, "12345", 4, S("a1234bcdefghij"));
519     test(S("abcdefghij"), 1, "12345", 5, S("a12345bcdefghij"));
520     test(S("abcdefghij"), 1, "1234567890", 0, S("abcdefghij"));
521     test(S("abcdefghij"), 1, "1234567890", 1, S("a1bcdefghij"));
522     test(S("abcdefghij"), 1, "1234567890", 5, S("a12345bcdefghij"));
523     test(S("abcdefghij"), 1, "1234567890", 9, S("a123456789bcdefghij"));
524     test(S("abcdefghij"), 1, "1234567890", 10, S("a1234567890bcdefghij"));
525     test(S("abcdefghij"), 1, "12345678901234567890", 0, S("abcdefghij"));
526     test(S("abcdefghij"), 1, "12345678901234567890", 1, S("a1bcdefghij"));
527     test(S("abcdefghij"), 1, "12345678901234567890", 10, S("a1234567890bcdefghij"));
528     test(S("abcdefghij"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghij"));
529     test(S("abcdefghij"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghij"));
530     test(S("abcdefghij"), 5, "", 0, S("abcdefghij"));
531     test(S("abcdefghij"), 5, "12345", 0, S("abcdefghij"));
532     test(S("abcdefghij"), 5, "12345", 1, S("abcde1fghij"));
533     test(S("abcdefghij"), 5, "12345", 2, S("abcde12fghij"));
534     test(S("abcdefghij"), 5, "12345", 4, S("abcde1234fghij"));
535     test(S("abcdefghij"), 5, "12345", 5, S("abcde12345fghij"));
536     test(S("abcdefghij"), 5, "1234567890", 0, S("abcdefghij"));
537     test(S("abcdefghij"), 5, "1234567890", 1, S("abcde1fghij"));
538     test(S("abcdefghij"), 5, "1234567890", 5, S("abcde12345fghij"));
539     test(S("abcdefghij"), 5, "1234567890", 9, S("abcde123456789fghij"));
540     test(S("abcdefghij"), 5, "1234567890", 10, S("abcde1234567890fghij"));
541     test(S("abcdefghij"), 5, "12345678901234567890", 0, S("abcdefghij"));
542     test(S("abcdefghij"), 5, "12345678901234567890", 1, S("abcde1fghij"));
543     test(S("abcdefghij"), 5, "12345678901234567890", 10, S("abcde1234567890fghij"));
544     test(S("abcdefghij"), 5, "12345678901234567890", 19, S("abcde1234567890123456789fghij"));
545     test(S("abcdefghij"), 5, "12345678901234567890", 20, S("abcde12345678901234567890fghij"));
546     test(S("abcdefghij"), 9, "", 0, S("abcdefghij"));
547     test(S("abcdefghij"), 9, "12345", 0, S("abcdefghij"));
548     test(S("abcdefghij"), 9, "12345", 1, S("abcdefghi1j"));
549     test(S("abcdefghij"), 9, "12345", 2, S("abcdefghi12j"));
550     test(S("abcdefghij"), 9, "12345", 4, S("abcdefghi1234j"));
551     test(S("abcdefghij"), 9, "12345", 5, S("abcdefghi12345j"));
552     test(S("abcdefghij"), 9, "1234567890", 0, S("abcdefghij"));
553     test(S("abcdefghij"), 9, "1234567890", 1, S("abcdefghi1j"));
554     test(S("abcdefghij"), 9, "1234567890", 5, S("abcdefghi12345j"));
555     test(S("abcdefghij"), 9, "1234567890", 9, S("abcdefghi123456789j"));
556     test(S("abcdefghij"), 9, "1234567890", 10, S("abcdefghi1234567890j"));
557     test(S("abcdefghij"), 9, "12345678901234567890", 0, S("abcdefghij"));
558     test(S("abcdefghij"), 9, "12345678901234567890", 1, S("abcdefghi1j"));
559     test(S("abcdefghij"), 9, "12345678901234567890", 10, S("abcdefghi1234567890j"));
560     test(S("abcdefghij"), 9, "12345678901234567890", 19, S("abcdefghi1234567890123456789j"));
561     test(S("abcdefghij"), 9, "12345678901234567890", 20, S("abcdefghi12345678901234567890j"));
562     test(S("abcdefghij"), 10, "", 0, S("abcdefghij"));
563     test(S("abcdefghij"), 10, "12345", 0, S("abcdefghij"));
564     test(S("abcdefghij"), 10, "12345", 1, S("abcdefghij1"));
565     test(S("abcdefghij"), 10, "12345", 2, S("abcdefghij12"));
566     test(S("abcdefghij"), 10, "12345", 4, S("abcdefghij1234"));
567     test(S("abcdefghij"), 10, "12345", 5, S("abcdefghij12345"));
568     test(S("abcdefghij"), 10, "1234567890", 0, S("abcdefghij"));
569     test(S("abcdefghij"), 10, "1234567890", 1, S("abcdefghij1"));
570     test(S("abcdefghij"), 10, "1234567890", 5, S("abcdefghij12345"));
571     test(S("abcdefghij"), 10, "1234567890", 9, S("abcdefghij123456789"));
572     test(S("abcdefghij"), 10, "1234567890", 10, S("abcdefghij1234567890"));
573     test(S("abcdefghij"), 10, "12345678901234567890", 0, S("abcdefghij"));
574     test(S("abcdefghij"), 10, "12345678901234567890", 1, S("abcdefghij1"));
575     test(S("abcdefghij"), 10, "12345678901234567890", 10, S("abcdefghij1234567890"));
576     test(S("abcdefghij"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789"));
577     test(S("abcdefghij"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890"));
578     test(S("abcdefghij"), 11, "", 0, S("can't happen"));
579     test(S("abcdefghij"), 11, "12345", 0, S("can't happen"));
580     test(S("abcdefghij"), 11, "12345", 1, S("can't happen"));
581     test(S("abcdefghij"), 11, "12345", 2, S("can't happen"));
582     test(S("abcdefghij"), 11, "12345", 4, S("can't happen"));
583     test(S("abcdefghij"), 11, "12345", 5, S("can't happen"));
584     test(S("abcdefghij"), 11, "1234567890", 0, S("can't happen"));
585     test(S("abcdefghij"), 11, "1234567890", 1, S("can't happen"));
586     test(S("abcdefghij"), 11, "1234567890", 5, S("can't happen"));
587     test(S("abcdefghij"), 11, "1234567890", 9, S("can't happen"));
588     test(S("abcdefghij"), 11, "1234567890", 10, S("can't happen"));
589     test(S("abcdefghij"), 11, "12345678901234567890", 0, S("can't happen"));
590     test(S("abcdefghij"), 11, "12345678901234567890", 1, S("can't happen"));
591     test(S("abcdefghij"), 11, "12345678901234567890", 10, S("can't happen"));
592     test(S("abcdefghij"), 11, "12345678901234567890", 19, S("can't happen"));
593     test(S("abcdefghij"), 11, "12345678901234567890", 20, S("can't happen"));
594     test(S("abcdefghijklmnopqrst"), 0, "", 0, S("abcdefghijklmnopqrst"));
595     test(S("abcdefghijklmnopqrst"), 0, "12345", 0, S("abcdefghijklmnopqrst"));
596     test(S("abcdefghijklmnopqrst"), 0, "12345", 1, S("1abcdefghijklmnopqrst"));
597     test(S("abcdefghijklmnopqrst"), 0, "12345", 2, S("12abcdefghijklmnopqrst"));
598     test(S("abcdefghijklmnopqrst"), 0, "12345", 4, S("1234abcdefghijklmnopqrst"));
599     test(S("abcdefghijklmnopqrst"), 0, "12345", 5, S("12345abcdefghijklmnopqrst"));
600     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 0, S("abcdefghijklmnopqrst"));
601     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 1, S("1abcdefghijklmnopqrst"));
602     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 5, S("12345abcdefghijklmnopqrst"));
603     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 9, S("123456789abcdefghijklmnopqrst"));
604     test(S("abcdefghijklmnopqrst"), 0, "1234567890", 10, S("1234567890abcdefghijklmnopqrst"));
605     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
606     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 1, S("1abcdefghijklmnopqrst"));
607     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 10, S("1234567890abcdefghijklmnopqrst"));
608     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 19, S("1234567890123456789abcdefghijklmnopqrst"));
609     test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", 20, S("12345678901234567890abcdefghijklmnopqrst"));
610     test(S("abcdefghijklmnopqrst"), 1, "", 0, S("abcdefghijklmnopqrst"));
611     test(S("abcdefghijklmnopqrst"), 1, "12345", 0, S("abcdefghijklmnopqrst"));
612     test(S("abcdefghijklmnopqrst"), 1, "12345", 1, S("a1bcdefghijklmnopqrst"));
613     test(S("abcdefghijklmnopqrst"), 1, "12345", 2, S("a12bcdefghijklmnopqrst"));
614     test(S("abcdefghijklmnopqrst"), 1, "12345", 4, S("a1234bcdefghijklmnopqrst"));
615     test(S("abcdefghijklmnopqrst"), 1, "12345", 5, S("a12345bcdefghijklmnopqrst"));
616     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 0, S("abcdefghijklmnopqrst"));
617     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 1, S("a1bcdefghijklmnopqrst"));
618     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 5, S("a12345bcdefghijklmnopqrst"));
619     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 9, S("a123456789bcdefghijklmnopqrst"));
620     test(S("abcdefghijklmnopqrst"), 1, "1234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
621     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
622     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 1, S("a1bcdefghijklmnopqrst"));
623     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 10, S("a1234567890bcdefghijklmnopqrst"));
624     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 19, S("a1234567890123456789bcdefghijklmnopqrst"));
625     test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", 20, S("a12345678901234567890bcdefghijklmnopqrst"));
626     test(S("abcdefghijklmnopqrst"), 10, "", 0, S("abcdefghijklmnopqrst"));
627     test(S("abcdefghijklmnopqrst"), 10, "12345", 0, S("abcdefghijklmnopqrst"));
628     test(S("abcdefghijklmnopqrst"), 10, "12345", 1, S("abcdefghij1klmnopqrst"));
629     test(S("abcdefghijklmnopqrst"), 10, "12345", 2, S("abcdefghij12klmnopqrst"));
630     test(S("abcdefghijklmnopqrst"), 10, "12345", 4, S("abcdefghij1234klmnopqrst"));
631     test(S("abcdefghijklmnopqrst"), 10, "12345", 5, S("abcdefghij12345klmnopqrst"));
632     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 0, S("abcdefghijklmnopqrst"));
633     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 1, S("abcdefghij1klmnopqrst"));
634     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 5, S("abcdefghij12345klmnopqrst"));
635     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 9, S("abcdefghij123456789klmnopqrst"));
636     test(S("abcdefghijklmnopqrst"), 10, "1234567890", 10, S("abcdefghij1234567890klmnopqrst"));
637     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
638     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 1, S("abcdefghij1klmnopqrst"));
639     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 10, S("abcdefghij1234567890klmnopqrst"));
640     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 19, S("abcdefghij1234567890123456789klmnopqrst"));
641     test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", 20, S("abcdefghij12345678901234567890klmnopqrst"));
642     test(S("abcdefghijklmnopqrst"), 19, "", 0, S("abcdefghijklmnopqrst"));
643     test(S("abcdefghijklmnopqrst"), 19, "12345", 0, S("abcdefghijklmnopqrst"));
644     test(S("abcdefghijklmnopqrst"), 19, "12345", 1, S("abcdefghijklmnopqrs1t"));
645     test(S("abcdefghijklmnopqrst"), 19, "12345", 2, S("abcdefghijklmnopqrs12t"));
646     test(S("abcdefghijklmnopqrst"), 19, "12345", 4, S("abcdefghijklmnopqrs1234t"));
647     test(S("abcdefghijklmnopqrst"), 19, "12345", 5, S("abcdefghijklmnopqrs12345t"));
648     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 0, S("abcdefghijklmnopqrst"));
649     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 1, S("abcdefghijklmnopqrs1t"));
650     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 5, S("abcdefghijklmnopqrs12345t"));
651     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 9, S("abcdefghijklmnopqrs123456789t"));
652     test(S("abcdefghijklmnopqrst"), 19, "1234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
653     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
654     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 1, S("abcdefghijklmnopqrs1t"));
655     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 10, S("abcdefghijklmnopqrs1234567890t"));
656     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 19, S("abcdefghijklmnopqrs1234567890123456789t"));
657     test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", 20, S("abcdefghijklmnopqrs12345678901234567890t"));
658     test(S("abcdefghijklmnopqrst"), 20, "", 0, S("abcdefghijklmnopqrst"));
659     test(S("abcdefghijklmnopqrst"), 20, "12345", 0, S("abcdefghijklmnopqrst"));
660     test(S("abcdefghijklmnopqrst"), 20, "12345", 1, S("abcdefghijklmnopqrst1"));
661     test(S("abcdefghijklmnopqrst"), 20, "12345", 2, S("abcdefghijklmnopqrst12"));
662     test(S("abcdefghijklmnopqrst"), 20, "12345", 4, S("abcdefghijklmnopqrst1234"));
663     test(S("abcdefghijklmnopqrst"), 20, "12345", 5, S("abcdefghijklmnopqrst12345"));
664     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 0, S("abcdefghijklmnopqrst"));
665     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 1, S("abcdefghijklmnopqrst1"));
666     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 5, S("abcdefghijklmnopqrst12345"));
667     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 9, S("abcdefghijklmnopqrst123456789"));
668     test(S("abcdefghijklmnopqrst"), 20, "1234567890", 10, S("abcdefghijklmnopqrst1234567890"));
669     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 0, S("abcdefghijklmnopqrst"));
670     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 1, S("abcdefghijklmnopqrst1"));
671     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 10, S("abcdefghijklmnopqrst1234567890"));
672     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 19, S("abcdefghijklmnopqrst1234567890123456789"));
673     test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", 20, S("abcdefghijklmnopqrst12345678901234567890"));
674     test(S("abcdefghijklmnopqrst"), 21, "", 0, S("can't happen"));
675     test(S("abcdefghijklmnopqrst"), 21, "12345", 0, S("can't happen"));
676     test(S("abcdefghijklmnopqrst"), 21, "12345", 1, S("can't happen"));
677     test(S("abcdefghijklmnopqrst"), 21, "12345", 2, S("can't happen"));
678     test(S("abcdefghijklmnopqrst"), 21, "12345", 4, S("can't happen"));
679     test(S("abcdefghijklmnopqrst"), 21, "12345", 5, S("can't happen"));
680     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 0, S("can't happen"));
681     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 1, S("can't happen"));
682     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 5, S("can't happen"));
683     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 9, S("can't happen"));
684     test(S("abcdefghijklmnopqrst"), 21, "1234567890", 10, S("can't happen"));
685     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 0, S("can't happen"));
686     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 1, S("can't happen"));
687     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 10, S("can't happen"));
688     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 19, S("can't happen"));
689     test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", 20, S("can't happen"));
690     }
691 #endif
692 }
693