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, size_type n2, charT c);
14 
15 #include <string>
16 #include <stdexcept>
17 #include <algorithm>
18 #include <cassert>
19 
20 #include "min_allocator.h"
21 
22 template <class S>
23 void
test(S s,typename S::size_type pos,typename S::size_type n1,typename S::size_type n2,typename S::value_type c,S expected)24 test(S s, typename S::size_type pos, typename S::size_type n1,
25      typename S::size_type n2, typename S::value_type c,
26      S expected)
27 {
28     typename S::size_type old_size = s.size();
29     S s0 = s;
30     try
31     {
32         s.replace(pos, n1, n2, c);
33         assert(s.__invariants());
34         assert(pos <= old_size);
35         assert(s == expected);
36         typename S::size_type xlen = std::min(n1, old_size - pos);
37         typename S::size_type rlen = n2;
38         assert(s.size() == old_size - xlen + rlen);
39     }
40     catch (std::out_of_range&)
41     {
42         assert(pos > old_size);
43         assert(s == s0);
44     }
45 }
46 
47 template <class S>
test0()48 void test0()
49 {
50     test(S(""), 0, 0, 0, '2', S(""));
51     test(S(""), 0, 0, 5, '2', S("22222"));
52     test(S(""), 0, 0, 10, '2', S("2222222222"));
53     test(S(""), 0, 0, 20, '2', S("22222222222222222222"));
54     test(S(""), 0, 1, 0, '2', S(""));
55     test(S(""), 0, 1, 5, '2', S("22222"));
56     test(S(""), 0, 1, 10, '2', S("2222222222"));
57     test(S(""), 0, 1, 20, '2', S("22222222222222222222"));
58     test(S(""), 1, 0, 0, '2', S("can't happen"));
59     test(S(""), 1, 0, 5, '2', S("can't happen"));
60     test(S(""), 1, 0, 10, '2', S("can't happen"));
61     test(S(""), 1, 0, 20, '2', S("can't happen"));
62     test(S("abcde"), 0, 0, 0, '2', S("abcde"));
63     test(S("abcde"), 0, 0, 5, '2', S("22222abcde"));
64     test(S("abcde"), 0, 0, 10, '2', S("2222222222abcde"));
65     test(S("abcde"), 0, 0, 20, '2', S("22222222222222222222abcde"));
66     test(S("abcde"), 0, 1, 0, '2', S("bcde"));
67     test(S("abcde"), 0, 1, 5, '2', S("22222bcde"));
68     test(S("abcde"), 0, 1, 10, '2', S("2222222222bcde"));
69     test(S("abcde"), 0, 1, 20, '2', S("22222222222222222222bcde"));
70     test(S("abcde"), 0, 2, 0, '2', S("cde"));
71     test(S("abcde"), 0, 2, 5, '2', S("22222cde"));
72     test(S("abcde"), 0, 2, 10, '2', S("2222222222cde"));
73     test(S("abcde"), 0, 2, 20, '2', S("22222222222222222222cde"));
74     test(S("abcde"), 0, 4, 0, '2', S("e"));
75     test(S("abcde"), 0, 4, 5, '2', S("22222e"));
76     test(S("abcde"), 0, 4, 10, '2', S("2222222222e"));
77     test(S("abcde"), 0, 4, 20, '2', S("22222222222222222222e"));
78     test(S("abcde"), 0, 5, 0, '2', S(""));
79     test(S("abcde"), 0, 5, 5, '2', S("22222"));
80     test(S("abcde"), 0, 5, 10, '2', S("2222222222"));
81     test(S("abcde"), 0, 5, 20, '2', S("22222222222222222222"));
82     test(S("abcde"), 0, 6, 0, '2', S(""));
83     test(S("abcde"), 0, 6, 5, '2', S("22222"));
84     test(S("abcde"), 0, 6, 10, '2', S("2222222222"));
85     test(S("abcde"), 0, 6, 20, '2', S("22222222222222222222"));
86     test(S("abcde"), 1, 0, 0, '2', S("abcde"));
87     test(S("abcde"), 1, 0, 5, '2', S("a22222bcde"));
88     test(S("abcde"), 1, 0, 10, '2', S("a2222222222bcde"));
89     test(S("abcde"), 1, 0, 20, '2', S("a22222222222222222222bcde"));
90     test(S("abcde"), 1, 1, 0, '2', S("acde"));
91     test(S("abcde"), 1, 1, 5, '2', S("a22222cde"));
92     test(S("abcde"), 1, 1, 10, '2', S("a2222222222cde"));
93     test(S("abcde"), 1, 1, 20, '2', S("a22222222222222222222cde"));
94     test(S("abcde"), 1, 2, 0, '2', S("ade"));
95     test(S("abcde"), 1, 2, 5, '2', S("a22222de"));
96     test(S("abcde"), 1, 2, 10, '2', S("a2222222222de"));
97     test(S("abcde"), 1, 2, 20, '2', S("a22222222222222222222de"));
98     test(S("abcde"), 1, 3, 0, '2', S("ae"));
99     test(S("abcde"), 1, 3, 5, '2', S("a22222e"));
100     test(S("abcde"), 1, 3, 10, '2', S("a2222222222e"));
101     test(S("abcde"), 1, 3, 20, '2', S("a22222222222222222222e"));
102     test(S("abcde"), 1, 4, 0, '2', S("a"));
103     test(S("abcde"), 1, 4, 5, '2', S("a22222"));
104     test(S("abcde"), 1, 4, 10, '2', S("a2222222222"));
105     test(S("abcde"), 1, 4, 20, '2', S("a22222222222222222222"));
106     test(S("abcde"), 1, 5, 0, '2', S("a"));
107     test(S("abcde"), 1, 5, 5, '2', S("a22222"));
108     test(S("abcde"), 1, 5, 10, '2', S("a2222222222"));
109     test(S("abcde"), 1, 5, 20, '2', S("a22222222222222222222"));
110     test(S("abcde"), 2, 0, 0, '2', S("abcde"));
111     test(S("abcde"), 2, 0, 5, '2', S("ab22222cde"));
112     test(S("abcde"), 2, 0, 10, '2', S("ab2222222222cde"));
113     test(S("abcde"), 2, 0, 20, '2', S("ab22222222222222222222cde"));
114     test(S("abcde"), 2, 1, 0, '2', S("abde"));
115     test(S("abcde"), 2, 1, 5, '2', S("ab22222de"));
116     test(S("abcde"), 2, 1, 10, '2', S("ab2222222222de"));
117     test(S("abcde"), 2, 1, 20, '2', S("ab22222222222222222222de"));
118     test(S("abcde"), 2, 2, 0, '2', S("abe"));
119     test(S("abcde"), 2, 2, 5, '2', S("ab22222e"));
120     test(S("abcde"), 2, 2, 10, '2', S("ab2222222222e"));
121     test(S("abcde"), 2, 2, 20, '2', S("ab22222222222222222222e"));
122     test(S("abcde"), 2, 3, 0, '2', S("ab"));
123     test(S("abcde"), 2, 3, 5, '2', S("ab22222"));
124     test(S("abcde"), 2, 3, 10, '2', S("ab2222222222"));
125     test(S("abcde"), 2, 3, 20, '2', S("ab22222222222222222222"));
126     test(S("abcde"), 2, 4, 0, '2', S("ab"));
127     test(S("abcde"), 2, 4, 5, '2', S("ab22222"));
128     test(S("abcde"), 2, 4, 10, '2', S("ab2222222222"));
129     test(S("abcde"), 2, 4, 20, '2', S("ab22222222222222222222"));
130     test(S("abcde"), 4, 0, 0, '2', S("abcde"));
131     test(S("abcde"), 4, 0, 5, '2', S("abcd22222e"));
132     test(S("abcde"), 4, 0, 10, '2', S("abcd2222222222e"));
133     test(S("abcde"), 4, 0, 20, '2', S("abcd22222222222222222222e"));
134     test(S("abcde"), 4, 1, 0, '2', S("abcd"));
135     test(S("abcde"), 4, 1, 5, '2', S("abcd22222"));
136     test(S("abcde"), 4, 1, 10, '2', S("abcd2222222222"));
137     test(S("abcde"), 4, 1, 20, '2', S("abcd22222222222222222222"));
138     test(S("abcde"), 4, 2, 0, '2', S("abcd"));
139     test(S("abcde"), 4, 2, 5, '2', S("abcd22222"));
140     test(S("abcde"), 4, 2, 10, '2', S("abcd2222222222"));
141     test(S("abcde"), 4, 2, 20, '2', S("abcd22222222222222222222"));
142     test(S("abcde"), 5, 0, 0, '2', S("abcde"));
143     test(S("abcde"), 5, 0, 5, '2', S("abcde22222"));
144     test(S("abcde"), 5, 0, 10, '2', S("abcde2222222222"));
145     test(S("abcde"), 5, 0, 20, '2', S("abcde22222222222222222222"));
146     test(S("abcde"), 5, 1, 0, '2', S("abcde"));
147     test(S("abcde"), 5, 1, 5, '2', S("abcde22222"));
148     test(S("abcde"), 5, 1, 10, '2', S("abcde2222222222"));
149     test(S("abcde"), 5, 1, 20, '2', S("abcde22222222222222222222"));
150 }
151 
152 template <class S>
test1()153 void test1()
154 {
155     test(S("abcde"), 6, 0, 0, '2', S("can't happen"));
156     test(S("abcde"), 6, 0, 5, '2', S("can't happen"));
157     test(S("abcde"), 6, 0, 10, '2', S("can't happen"));
158     test(S("abcde"), 6, 0, 20, '2', S("can't happen"));
159     test(S("abcdefghij"), 0, 0, 0, '2', S("abcdefghij"));
160     test(S("abcdefghij"), 0, 0, 5, '2', S("22222abcdefghij"));
161     test(S("abcdefghij"), 0, 0, 10, '2', S("2222222222abcdefghij"));
162     test(S("abcdefghij"), 0, 0, 20, '2', S("22222222222222222222abcdefghij"));
163     test(S("abcdefghij"), 0, 1, 0, '2', S("bcdefghij"));
164     test(S("abcdefghij"), 0, 1, 5, '2', S("22222bcdefghij"));
165     test(S("abcdefghij"), 0, 1, 10, '2', S("2222222222bcdefghij"));
166     test(S("abcdefghij"), 0, 1, 20, '2', S("22222222222222222222bcdefghij"));
167     test(S("abcdefghij"), 0, 5, 0, '2', S("fghij"));
168     test(S("abcdefghij"), 0, 5, 5, '2', S("22222fghij"));
169     test(S("abcdefghij"), 0, 5, 10, '2', S("2222222222fghij"));
170     test(S("abcdefghij"), 0, 5, 20, '2', S("22222222222222222222fghij"));
171     test(S("abcdefghij"), 0, 9, 0, '2', S("j"));
172     test(S("abcdefghij"), 0, 9, 5, '2', S("22222j"));
173     test(S("abcdefghij"), 0, 9, 10, '2', S("2222222222j"));
174     test(S("abcdefghij"), 0, 9, 20, '2', S("22222222222222222222j"));
175     test(S("abcdefghij"), 0, 10, 0, '2', S(""));
176     test(S("abcdefghij"), 0, 10, 5, '2', S("22222"));
177     test(S("abcdefghij"), 0, 10, 10, '2', S("2222222222"));
178     test(S("abcdefghij"), 0, 10, 20, '2', S("22222222222222222222"));
179     test(S("abcdefghij"), 0, 11, 0, '2', S(""));
180     test(S("abcdefghij"), 0, 11, 5, '2', S("22222"));
181     test(S("abcdefghij"), 0, 11, 10, '2', S("2222222222"));
182     test(S("abcdefghij"), 0, 11, 20, '2', S("22222222222222222222"));
183     test(S("abcdefghij"), 1, 0, 0, '2', S("abcdefghij"));
184     test(S("abcdefghij"), 1, 0, 5, '2', S("a22222bcdefghij"));
185     test(S("abcdefghij"), 1, 0, 10, '2', S("a2222222222bcdefghij"));
186     test(S("abcdefghij"), 1, 0, 20, '2', S("a22222222222222222222bcdefghij"));
187     test(S("abcdefghij"), 1, 1, 0, '2', S("acdefghij"));
188     test(S("abcdefghij"), 1, 1, 5, '2', S("a22222cdefghij"));
189     test(S("abcdefghij"), 1, 1, 10, '2', S("a2222222222cdefghij"));
190     test(S("abcdefghij"), 1, 1, 20, '2', S("a22222222222222222222cdefghij"));
191     test(S("abcdefghij"), 1, 4, 0, '2', S("afghij"));
192     test(S("abcdefghij"), 1, 4, 5, '2', S("a22222fghij"));
193     test(S("abcdefghij"), 1, 4, 10, '2', S("a2222222222fghij"));
194     test(S("abcdefghij"), 1, 4, 20, '2', S("a22222222222222222222fghij"));
195     test(S("abcdefghij"), 1, 8, 0, '2', S("aj"));
196     test(S("abcdefghij"), 1, 8, 5, '2', S("a22222j"));
197     test(S("abcdefghij"), 1, 8, 10, '2', S("a2222222222j"));
198     test(S("abcdefghij"), 1, 8, 20, '2', S("a22222222222222222222j"));
199     test(S("abcdefghij"), 1, 9, 0, '2', S("a"));
200     test(S("abcdefghij"), 1, 9, 5, '2', S("a22222"));
201     test(S("abcdefghij"), 1, 9, 10, '2', S("a2222222222"));
202     test(S("abcdefghij"), 1, 9, 20, '2', S("a22222222222222222222"));
203     test(S("abcdefghij"), 1, 10, 0, '2', S("a"));
204     test(S("abcdefghij"), 1, 10, 5, '2', S("a22222"));
205     test(S("abcdefghij"), 1, 10, 10, '2', S("a2222222222"));
206     test(S("abcdefghij"), 1, 10, 20, '2', S("a22222222222222222222"));
207     test(S("abcdefghij"), 5, 0, 0, '2', S("abcdefghij"));
208     test(S("abcdefghij"), 5, 0, 5, '2', S("abcde22222fghij"));
209     test(S("abcdefghij"), 5, 0, 10, '2', S("abcde2222222222fghij"));
210     test(S("abcdefghij"), 5, 0, 20, '2', S("abcde22222222222222222222fghij"));
211     test(S("abcdefghij"), 5, 1, 0, '2', S("abcdeghij"));
212     test(S("abcdefghij"), 5, 1, 5, '2', S("abcde22222ghij"));
213     test(S("abcdefghij"), 5, 1, 10, '2', S("abcde2222222222ghij"));
214     test(S("abcdefghij"), 5, 1, 20, '2', S("abcde22222222222222222222ghij"));
215     test(S("abcdefghij"), 5, 2, 0, '2', S("abcdehij"));
216     test(S("abcdefghij"), 5, 2, 5, '2', S("abcde22222hij"));
217     test(S("abcdefghij"), 5, 2, 10, '2', S("abcde2222222222hij"));
218     test(S("abcdefghij"), 5, 2, 20, '2', S("abcde22222222222222222222hij"));
219     test(S("abcdefghij"), 5, 4, 0, '2', S("abcdej"));
220     test(S("abcdefghij"), 5, 4, 5, '2', S("abcde22222j"));
221     test(S("abcdefghij"), 5, 4, 10, '2', S("abcde2222222222j"));
222     test(S("abcdefghij"), 5, 4, 20, '2', S("abcde22222222222222222222j"));
223     test(S("abcdefghij"), 5, 5, 0, '2', S("abcde"));
224     test(S("abcdefghij"), 5, 5, 5, '2', S("abcde22222"));
225     test(S("abcdefghij"), 5, 5, 10, '2', S("abcde2222222222"));
226     test(S("abcdefghij"), 5, 5, 20, '2', S("abcde22222222222222222222"));
227     test(S("abcdefghij"), 5, 6, 0, '2', S("abcde"));
228     test(S("abcdefghij"), 5, 6, 5, '2', S("abcde22222"));
229     test(S("abcdefghij"), 5, 6, 10, '2', S("abcde2222222222"));
230     test(S("abcdefghij"), 5, 6, 20, '2', S("abcde22222222222222222222"));
231     test(S("abcdefghij"), 9, 0, 0, '2', S("abcdefghij"));
232     test(S("abcdefghij"), 9, 0, 5, '2', S("abcdefghi22222j"));
233     test(S("abcdefghij"), 9, 0, 10, '2', S("abcdefghi2222222222j"));
234     test(S("abcdefghij"), 9, 0, 20, '2', S("abcdefghi22222222222222222222j"));
235     test(S("abcdefghij"), 9, 1, 0, '2', S("abcdefghi"));
236     test(S("abcdefghij"), 9, 1, 5, '2', S("abcdefghi22222"));
237     test(S("abcdefghij"), 9, 1, 10, '2', S("abcdefghi2222222222"));
238     test(S("abcdefghij"), 9, 1, 20, '2', S("abcdefghi22222222222222222222"));
239     test(S("abcdefghij"), 9, 2, 0, '2', S("abcdefghi"));
240     test(S("abcdefghij"), 9, 2, 5, '2', S("abcdefghi22222"));
241     test(S("abcdefghij"), 9, 2, 10, '2', S("abcdefghi2222222222"));
242     test(S("abcdefghij"), 9, 2, 20, '2', S("abcdefghi22222222222222222222"));
243     test(S("abcdefghij"), 10, 0, 0, '2', S("abcdefghij"));
244     test(S("abcdefghij"), 10, 0, 5, '2', S("abcdefghij22222"));
245     test(S("abcdefghij"), 10, 0, 10, '2', S("abcdefghij2222222222"));
246     test(S("abcdefghij"), 10, 0, 20, '2', S("abcdefghij22222222222222222222"));
247     test(S("abcdefghij"), 10, 1, 0, '2', S("abcdefghij"));
248     test(S("abcdefghij"), 10, 1, 5, '2', S("abcdefghij22222"));
249     test(S("abcdefghij"), 10, 1, 10, '2', S("abcdefghij2222222222"));
250     test(S("abcdefghij"), 10, 1, 20, '2', S("abcdefghij22222222222222222222"));
251     test(S("abcdefghij"), 11, 0, 0, '2', S("can't happen"));
252     test(S("abcdefghij"), 11, 0, 5, '2', S("can't happen"));
253     test(S("abcdefghij"), 11, 0, 10, '2', S("can't happen"));
254     test(S("abcdefghij"), 11, 0, 20, '2', S("can't happen"));
255 }
256 
257 template <class S>
test2()258 void test2()
259 {
260     test(S("abcdefghijklmnopqrst"), 0, 0, 0, '2', S("abcdefghijklmnopqrst"));
261     test(S("abcdefghijklmnopqrst"), 0, 0, 5, '2', S("22222abcdefghijklmnopqrst"));
262     test(S("abcdefghijklmnopqrst"), 0, 0, 10, '2', S("2222222222abcdefghijklmnopqrst"));
263     test(S("abcdefghijklmnopqrst"), 0, 0, 20, '2', S("22222222222222222222abcdefghijklmnopqrst"));
264     test(S("abcdefghijklmnopqrst"), 0, 1, 0, '2', S("bcdefghijklmnopqrst"));
265     test(S("abcdefghijklmnopqrst"), 0, 1, 5, '2', S("22222bcdefghijklmnopqrst"));
266     test(S("abcdefghijklmnopqrst"), 0, 1, 10, '2', S("2222222222bcdefghijklmnopqrst"));
267     test(S("abcdefghijklmnopqrst"), 0, 1, 20, '2', S("22222222222222222222bcdefghijklmnopqrst"));
268     test(S("abcdefghijklmnopqrst"), 0, 10, 0, '2', S("klmnopqrst"));
269     test(S("abcdefghijklmnopqrst"), 0, 10, 5, '2', S("22222klmnopqrst"));
270     test(S("abcdefghijklmnopqrst"), 0, 10, 10, '2', S("2222222222klmnopqrst"));
271     test(S("abcdefghijklmnopqrst"), 0, 10, 20, '2', S("22222222222222222222klmnopqrst"));
272     test(S("abcdefghijklmnopqrst"), 0, 19, 0, '2', S("t"));
273     test(S("abcdefghijklmnopqrst"), 0, 19, 5, '2', S("22222t"));
274     test(S("abcdefghijklmnopqrst"), 0, 19, 10, '2', S("2222222222t"));
275     test(S("abcdefghijklmnopqrst"), 0, 19, 20, '2', S("22222222222222222222t"));
276     test(S("abcdefghijklmnopqrst"), 0, 20, 0, '2', S(""));
277     test(S("abcdefghijklmnopqrst"), 0, 20, 5, '2', S("22222"));
278     test(S("abcdefghijklmnopqrst"), 0, 20, 10, '2', S("2222222222"));
279     test(S("abcdefghijklmnopqrst"), 0, 20, 20, '2', S("22222222222222222222"));
280     test(S("abcdefghijklmnopqrst"), 0, 21, 0, '2', S(""));
281     test(S("abcdefghijklmnopqrst"), 0, 21, 5, '2', S("22222"));
282     test(S("abcdefghijklmnopqrst"), 0, 21, 10, '2', S("2222222222"));
283     test(S("abcdefghijklmnopqrst"), 0, 21, 20, '2', S("22222222222222222222"));
284     test(S("abcdefghijklmnopqrst"), 1, 0, 0, '2', S("abcdefghijklmnopqrst"));
285     test(S("abcdefghijklmnopqrst"), 1, 0, 5, '2', S("a22222bcdefghijklmnopqrst"));
286     test(S("abcdefghijklmnopqrst"), 1, 0, 10, '2', S("a2222222222bcdefghijklmnopqrst"));
287     test(S("abcdefghijklmnopqrst"), 1, 0, 20, '2', S("a22222222222222222222bcdefghijklmnopqrst"));
288     test(S("abcdefghijklmnopqrst"), 1, 1, 0, '2', S("acdefghijklmnopqrst"));
289     test(S("abcdefghijklmnopqrst"), 1, 1, 5, '2', S("a22222cdefghijklmnopqrst"));
290     test(S("abcdefghijklmnopqrst"), 1, 1, 10, '2', S("a2222222222cdefghijklmnopqrst"));
291     test(S("abcdefghijklmnopqrst"), 1, 1, 20, '2', S("a22222222222222222222cdefghijklmnopqrst"));
292     test(S("abcdefghijklmnopqrst"), 1, 9, 0, '2', S("aklmnopqrst"));
293     test(S("abcdefghijklmnopqrst"), 1, 9, 5, '2', S("a22222klmnopqrst"));
294     test(S("abcdefghijklmnopqrst"), 1, 9, 10, '2', S("a2222222222klmnopqrst"));
295     test(S("abcdefghijklmnopqrst"), 1, 9, 20, '2', S("a22222222222222222222klmnopqrst"));
296     test(S("abcdefghijklmnopqrst"), 1, 18, 0, '2', S("at"));
297     test(S("abcdefghijklmnopqrst"), 1, 18, 5, '2', S("a22222t"));
298     test(S("abcdefghijklmnopqrst"), 1, 18, 10, '2', S("a2222222222t"));
299     test(S("abcdefghijklmnopqrst"), 1, 18, 20, '2', S("a22222222222222222222t"));
300     test(S("abcdefghijklmnopqrst"), 1, 19, 0, '2', S("a"));
301     test(S("abcdefghijklmnopqrst"), 1, 19, 5, '2', S("a22222"));
302     test(S("abcdefghijklmnopqrst"), 1, 19, 10, '2', S("a2222222222"));
303     test(S("abcdefghijklmnopqrst"), 1, 19, 20, '2', S("a22222222222222222222"));
304     test(S("abcdefghijklmnopqrst"), 1, 20, 0, '2', S("a"));
305     test(S("abcdefghijklmnopqrst"), 1, 20, 5, '2', S("a22222"));
306     test(S("abcdefghijklmnopqrst"), 1, 20, 10, '2', S("a2222222222"));
307     test(S("abcdefghijklmnopqrst"), 1, 20, 20, '2', S("a22222222222222222222"));
308     test(S("abcdefghijklmnopqrst"), 10, 0, 0, '2', S("abcdefghijklmnopqrst"));
309     test(S("abcdefghijklmnopqrst"), 10, 0, 5, '2', S("abcdefghij22222klmnopqrst"));
310     test(S("abcdefghijklmnopqrst"), 10, 0, 10, '2', S("abcdefghij2222222222klmnopqrst"));
311     test(S("abcdefghijklmnopqrst"), 10, 0, 20, '2', S("abcdefghij22222222222222222222klmnopqrst"));
312     test(S("abcdefghijklmnopqrst"), 10, 1, 0, '2', S("abcdefghijlmnopqrst"));
313     test(S("abcdefghijklmnopqrst"), 10, 1, 5, '2', S("abcdefghij22222lmnopqrst"));
314     test(S("abcdefghijklmnopqrst"), 10, 1, 10, '2', S("abcdefghij2222222222lmnopqrst"));
315     test(S("abcdefghijklmnopqrst"), 10, 1, 20, '2', S("abcdefghij22222222222222222222lmnopqrst"));
316     test(S("abcdefghijklmnopqrst"), 10, 5, 0, '2', S("abcdefghijpqrst"));
317     test(S("abcdefghijklmnopqrst"), 10, 5, 5, '2', S("abcdefghij22222pqrst"));
318     test(S("abcdefghijklmnopqrst"), 10, 5, 10, '2', S("abcdefghij2222222222pqrst"));
319     test(S("abcdefghijklmnopqrst"), 10, 5, 20, '2', S("abcdefghij22222222222222222222pqrst"));
320     test(S("abcdefghijklmnopqrst"), 10, 9, 0, '2', S("abcdefghijt"));
321     test(S("abcdefghijklmnopqrst"), 10, 9, 5, '2', S("abcdefghij22222t"));
322     test(S("abcdefghijklmnopqrst"), 10, 9, 10, '2', S("abcdefghij2222222222t"));
323     test(S("abcdefghijklmnopqrst"), 10, 9, 20, '2', S("abcdefghij22222222222222222222t"));
324     test(S("abcdefghijklmnopqrst"), 10, 10, 0, '2', S("abcdefghij"));
325     test(S("abcdefghijklmnopqrst"), 10, 10, 5, '2', S("abcdefghij22222"));
326     test(S("abcdefghijklmnopqrst"), 10, 10, 10, '2', S("abcdefghij2222222222"));
327     test(S("abcdefghijklmnopqrst"), 10, 10, 20, '2', S("abcdefghij22222222222222222222"));
328     test(S("abcdefghijklmnopqrst"), 10, 11, 0, '2', S("abcdefghij"));
329     test(S("abcdefghijklmnopqrst"), 10, 11, 5, '2', S("abcdefghij22222"));
330     test(S("abcdefghijklmnopqrst"), 10, 11, 10, '2', S("abcdefghij2222222222"));
331     test(S("abcdefghijklmnopqrst"), 10, 11, 20, '2', S("abcdefghij22222222222222222222"));
332     test(S("abcdefghijklmnopqrst"), 19, 0, 0, '2', S("abcdefghijklmnopqrst"));
333     test(S("abcdefghijklmnopqrst"), 19, 0, 5, '2', S("abcdefghijklmnopqrs22222t"));
334     test(S("abcdefghijklmnopqrst"), 19, 0, 10, '2', S("abcdefghijklmnopqrs2222222222t"));
335     test(S("abcdefghijklmnopqrst"), 19, 0, 20, '2', S("abcdefghijklmnopqrs22222222222222222222t"));
336     test(S("abcdefghijklmnopqrst"), 19, 1, 0, '2', S("abcdefghijklmnopqrs"));
337     test(S("abcdefghijklmnopqrst"), 19, 1, 5, '2', S("abcdefghijklmnopqrs22222"));
338     test(S("abcdefghijklmnopqrst"), 19, 1, 10, '2', S("abcdefghijklmnopqrs2222222222"));
339     test(S("abcdefghijklmnopqrst"), 19, 1, 20, '2', S("abcdefghijklmnopqrs22222222222222222222"));
340     test(S("abcdefghijklmnopqrst"), 19, 2, 0, '2', S("abcdefghijklmnopqrs"));
341     test(S("abcdefghijklmnopqrst"), 19, 2, 5, '2', S("abcdefghijklmnopqrs22222"));
342     test(S("abcdefghijklmnopqrst"), 19, 2, 10, '2', S("abcdefghijklmnopqrs2222222222"));
343     test(S("abcdefghijklmnopqrst"), 19, 2, 20, '2', S("abcdefghijklmnopqrs22222222222222222222"));
344     test(S("abcdefghijklmnopqrst"), 20, 0, 0, '2', S("abcdefghijklmnopqrst"));
345     test(S("abcdefghijklmnopqrst"), 20, 0, 5, '2', S("abcdefghijklmnopqrst22222"));
346     test(S("abcdefghijklmnopqrst"), 20, 0, 10, '2', S("abcdefghijklmnopqrst2222222222"));
347     test(S("abcdefghijklmnopqrst"), 20, 0, 20, '2', S("abcdefghijklmnopqrst22222222222222222222"));
348     test(S("abcdefghijklmnopqrst"), 20, 1, 0, '2', S("abcdefghijklmnopqrst"));
349     test(S("abcdefghijklmnopqrst"), 20, 1, 5, '2', S("abcdefghijklmnopqrst22222"));
350     test(S("abcdefghijklmnopqrst"), 20, 1, 10, '2', S("abcdefghijklmnopqrst2222222222"));
351     test(S("abcdefghijklmnopqrst"), 20, 1, 20, '2', S("abcdefghijklmnopqrst22222222222222222222"));
352     test(S("abcdefghijklmnopqrst"), 21, 0, 0, '2', S("can't happen"));
353     test(S("abcdefghijklmnopqrst"), 21, 0, 5, '2', S("can't happen"));
354     test(S("abcdefghijklmnopqrst"), 21, 0, 10, '2', S("can't happen"));
355     test(S("abcdefghijklmnopqrst"), 21, 0, 20, '2', S("can't happen"));
356 }
357 
main()358 int main()
359 {
360     {
361     typedef std::string S;
362     test0<S>();
363     test1<S>();
364     test2<S>();
365     }
366 #if __cplusplus >= 201103L
367     {
368     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
369     test0<S>();
370     test1<S>();
371     test2<S>();
372     }
373 #endif
374 }
375