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);
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
test(S s,typename S::size_type pos,typename S::size_type n1,const typename S::value_type * str,S expected)26 test(S s, typename S::size_type pos, typename S::size_type n1,
27      const typename S::value_type* str, S expected)
28 {
29     typename S::size_type old_size = s.size();
30     S s0 = s;
31     try
32     {
33         s.replace(pos, n1, str);
34         assert(s.__invariants());
35         assert(pos <= old_size);
36         assert(s == expected);
37         typename S::size_type xlen = std::min(n1, old_size - pos);
38         typename S::size_type rlen = S::traits_type::length(str);
39         assert(s.size() == old_size - xlen + rlen);
40     }
41     catch (std::out_of_range&)
42     {
43         assert(pos > old_size);
44         assert(s == s0);
45     }
46 }
47 
48 template <class S>
test0()49 void test0()
50 {
51     test(S(""), 0, 0, "", S(""));
52     test(S(""), 0, 0, "12345", S("12345"));
53     test(S(""), 0, 0, "1234567890", S("1234567890"));
54     test(S(""), 0, 0, "12345678901234567890", S("12345678901234567890"));
55     test(S(""), 0, 1, "", S(""));
56     test(S(""), 0, 1, "12345", S("12345"));
57     test(S(""), 0, 1, "1234567890", S("1234567890"));
58     test(S(""), 0, 1, "12345678901234567890", S("12345678901234567890"));
59     test(S(""), 1, 0, "", S("can't happen"));
60     test(S(""), 1, 0, "12345", S("can't happen"));
61     test(S(""), 1, 0, "1234567890", S("can't happen"));
62     test(S(""), 1, 0, "12345678901234567890", S("can't happen"));
63     test(S("abcde"), 0, 0, "", S("abcde"));
64     test(S("abcde"), 0, 0, "12345", S("12345abcde"));
65     test(S("abcde"), 0, 0, "1234567890", S("1234567890abcde"));
66     test(S("abcde"), 0, 0, "12345678901234567890", S("12345678901234567890abcde"));
67     test(S("abcde"), 0, 1, "", S("bcde"));
68     test(S("abcde"), 0, 1, "12345", S("12345bcde"));
69     test(S("abcde"), 0, 1, "1234567890", S("1234567890bcde"));
70     test(S("abcde"), 0, 1, "12345678901234567890", S("12345678901234567890bcde"));
71     test(S("abcde"), 0, 2, "", S("cde"));
72     test(S("abcde"), 0, 2, "12345", S("12345cde"));
73     test(S("abcde"), 0, 2, "1234567890", S("1234567890cde"));
74     test(S("abcde"), 0, 2, "12345678901234567890", S("12345678901234567890cde"));
75     test(S("abcde"), 0, 4, "", S("e"));
76     test(S("abcde"), 0, 4, "12345", S("12345e"));
77     test(S("abcde"), 0, 4, "1234567890", S("1234567890e"));
78     test(S("abcde"), 0, 4, "12345678901234567890", S("12345678901234567890e"));
79     test(S("abcde"), 0, 5, "", S(""));
80     test(S("abcde"), 0, 5, "12345", S("12345"));
81     test(S("abcde"), 0, 5, "1234567890", S("1234567890"));
82     test(S("abcde"), 0, 5, "12345678901234567890", S("12345678901234567890"));
83     test(S("abcde"), 0, 6, "", S(""));
84     test(S("abcde"), 0, 6, "12345", S("12345"));
85     test(S("abcde"), 0, 6, "1234567890", S("1234567890"));
86     test(S("abcde"), 0, 6, "12345678901234567890", S("12345678901234567890"));
87     test(S("abcde"), 1, 0, "", S("abcde"));
88     test(S("abcde"), 1, 0, "12345", S("a12345bcde"));
89     test(S("abcde"), 1, 0, "1234567890", S("a1234567890bcde"));
90     test(S("abcde"), 1, 0, "12345678901234567890", S("a12345678901234567890bcde"));
91     test(S("abcde"), 1, 1, "", S("acde"));
92     test(S("abcde"), 1, 1, "12345", S("a12345cde"));
93     test(S("abcde"), 1, 1, "1234567890", S("a1234567890cde"));
94     test(S("abcde"), 1, 1, "12345678901234567890", S("a12345678901234567890cde"));
95     test(S("abcde"), 1, 2, "", S("ade"));
96     test(S("abcde"), 1, 2, "12345", S("a12345de"));
97     test(S("abcde"), 1, 2, "1234567890", S("a1234567890de"));
98     test(S("abcde"), 1, 2, "12345678901234567890", S("a12345678901234567890de"));
99     test(S("abcde"), 1, 3, "", S("ae"));
100     test(S("abcde"), 1, 3, "12345", S("a12345e"));
101     test(S("abcde"), 1, 3, "1234567890", S("a1234567890e"));
102     test(S("abcde"), 1, 3, "12345678901234567890", S("a12345678901234567890e"));
103     test(S("abcde"), 1, 4, "", S("a"));
104     test(S("abcde"), 1, 4, "12345", S("a12345"));
105     test(S("abcde"), 1, 4, "1234567890", S("a1234567890"));
106     test(S("abcde"), 1, 4, "12345678901234567890", S("a12345678901234567890"));
107     test(S("abcde"), 1, 5, "", S("a"));
108     test(S("abcde"), 1, 5, "12345", S("a12345"));
109     test(S("abcde"), 1, 5, "1234567890", S("a1234567890"));
110     test(S("abcde"), 1, 5, "12345678901234567890", S("a12345678901234567890"));
111     test(S("abcde"), 2, 0, "", S("abcde"));
112     test(S("abcde"), 2, 0, "12345", S("ab12345cde"));
113     test(S("abcde"), 2, 0, "1234567890", S("ab1234567890cde"));
114     test(S("abcde"), 2, 0, "12345678901234567890", S("ab12345678901234567890cde"));
115     test(S("abcde"), 2, 1, "", S("abde"));
116     test(S("abcde"), 2, 1, "12345", S("ab12345de"));
117     test(S("abcde"), 2, 1, "1234567890", S("ab1234567890de"));
118     test(S("abcde"), 2, 1, "12345678901234567890", S("ab12345678901234567890de"));
119     test(S("abcde"), 2, 2, "", S("abe"));
120     test(S("abcde"), 2, 2, "12345", S("ab12345e"));
121     test(S("abcde"), 2, 2, "1234567890", S("ab1234567890e"));
122     test(S("abcde"), 2, 2, "12345678901234567890", S("ab12345678901234567890e"));
123     test(S("abcde"), 2, 3, "", S("ab"));
124     test(S("abcde"), 2, 3, "12345", S("ab12345"));
125     test(S("abcde"), 2, 3, "1234567890", S("ab1234567890"));
126     test(S("abcde"), 2, 3, "12345678901234567890", S("ab12345678901234567890"));
127     test(S("abcde"), 2, 4, "", S("ab"));
128     test(S("abcde"), 2, 4, "12345", S("ab12345"));
129     test(S("abcde"), 2, 4, "1234567890", S("ab1234567890"));
130     test(S("abcde"), 2, 4, "12345678901234567890", S("ab12345678901234567890"));
131     test(S("abcde"), 4, 0, "", S("abcde"));
132     test(S("abcde"), 4, 0, "12345", S("abcd12345e"));
133     test(S("abcde"), 4, 0, "1234567890", S("abcd1234567890e"));
134     test(S("abcde"), 4, 0, "12345678901234567890", S("abcd12345678901234567890e"));
135     test(S("abcde"), 4, 1, "", S("abcd"));
136     test(S("abcde"), 4, 1, "12345", S("abcd12345"));
137     test(S("abcde"), 4, 1, "1234567890", S("abcd1234567890"));
138     test(S("abcde"), 4, 1, "12345678901234567890", S("abcd12345678901234567890"));
139     test(S("abcde"), 4, 2, "", S("abcd"));
140     test(S("abcde"), 4, 2, "12345", S("abcd12345"));
141     test(S("abcde"), 4, 2, "1234567890", S("abcd1234567890"));
142     test(S("abcde"), 4, 2, "12345678901234567890", S("abcd12345678901234567890"));
143     test(S("abcde"), 5, 0, "", S("abcde"));
144     test(S("abcde"), 5, 0, "12345", S("abcde12345"));
145     test(S("abcde"), 5, 0, "1234567890", S("abcde1234567890"));
146     test(S("abcde"), 5, 0, "12345678901234567890", S("abcde12345678901234567890"));
147     test(S("abcde"), 5, 1, "", S("abcde"));
148     test(S("abcde"), 5, 1, "12345", S("abcde12345"));
149     test(S("abcde"), 5, 1, "1234567890", S("abcde1234567890"));
150     test(S("abcde"), 5, 1, "12345678901234567890", S("abcde12345678901234567890"));
151 }
152 
153 template <class S>
test1()154 void test1()
155 {
156     test(S("abcde"), 6, 0, "", S("can't happen"));
157     test(S("abcde"), 6, 0, "12345", S("can't happen"));
158     test(S("abcde"), 6, 0, "1234567890", S("can't happen"));
159     test(S("abcde"), 6, 0, "12345678901234567890", S("can't happen"));
160     test(S("abcdefghij"), 0, 0, "", S("abcdefghij"));
161     test(S("abcdefghij"), 0, 0, "12345", S("12345abcdefghij"));
162     test(S("abcdefghij"), 0, 0, "1234567890", S("1234567890abcdefghij"));
163     test(S("abcdefghij"), 0, 0, "12345678901234567890", S("12345678901234567890abcdefghij"));
164     test(S("abcdefghij"), 0, 1, "", S("bcdefghij"));
165     test(S("abcdefghij"), 0, 1, "12345", S("12345bcdefghij"));
166     test(S("abcdefghij"), 0, 1, "1234567890", S("1234567890bcdefghij"));
167     test(S("abcdefghij"), 0, 1, "12345678901234567890", S("12345678901234567890bcdefghij"));
168     test(S("abcdefghij"), 0, 5, "", S("fghij"));
169     test(S("abcdefghij"), 0, 5, "12345", S("12345fghij"));
170     test(S("abcdefghij"), 0, 5, "1234567890", S("1234567890fghij"));
171     test(S("abcdefghij"), 0, 5, "12345678901234567890", S("12345678901234567890fghij"));
172     test(S("abcdefghij"), 0, 9, "", S("j"));
173     test(S("abcdefghij"), 0, 9, "12345", S("12345j"));
174     test(S("abcdefghij"), 0, 9, "1234567890", S("1234567890j"));
175     test(S("abcdefghij"), 0, 9, "12345678901234567890", S("12345678901234567890j"));
176     test(S("abcdefghij"), 0, 10, "", S(""));
177     test(S("abcdefghij"), 0, 10, "12345", S("12345"));
178     test(S("abcdefghij"), 0, 10, "1234567890", S("1234567890"));
179     test(S("abcdefghij"), 0, 10, "12345678901234567890", S("12345678901234567890"));
180     test(S("abcdefghij"), 0, 11, "", S(""));
181     test(S("abcdefghij"), 0, 11, "12345", S("12345"));
182     test(S("abcdefghij"), 0, 11, "1234567890", S("1234567890"));
183     test(S("abcdefghij"), 0, 11, "12345678901234567890", S("12345678901234567890"));
184     test(S("abcdefghij"), 1, 0, "", S("abcdefghij"));
185     test(S("abcdefghij"), 1, 0, "12345", S("a12345bcdefghij"));
186     test(S("abcdefghij"), 1, 0, "1234567890", S("a1234567890bcdefghij"));
187     test(S("abcdefghij"), 1, 0, "12345678901234567890", S("a12345678901234567890bcdefghij"));
188     test(S("abcdefghij"), 1, 1, "", S("acdefghij"));
189     test(S("abcdefghij"), 1, 1, "12345", S("a12345cdefghij"));
190     test(S("abcdefghij"), 1, 1, "1234567890", S("a1234567890cdefghij"));
191     test(S("abcdefghij"), 1, 1, "12345678901234567890", S("a12345678901234567890cdefghij"));
192     test(S("abcdefghij"), 1, 4, "", S("afghij"));
193     test(S("abcdefghij"), 1, 4, "12345", S("a12345fghij"));
194     test(S("abcdefghij"), 1, 4, "1234567890", S("a1234567890fghij"));
195     test(S("abcdefghij"), 1, 4, "12345678901234567890", S("a12345678901234567890fghij"));
196     test(S("abcdefghij"), 1, 8, "", S("aj"));
197     test(S("abcdefghij"), 1, 8, "12345", S("a12345j"));
198     test(S("abcdefghij"), 1, 8, "1234567890", S("a1234567890j"));
199     test(S("abcdefghij"), 1, 8, "12345678901234567890", S("a12345678901234567890j"));
200     test(S("abcdefghij"), 1, 9, "", S("a"));
201     test(S("abcdefghij"), 1, 9, "12345", S("a12345"));
202     test(S("abcdefghij"), 1, 9, "1234567890", S("a1234567890"));
203     test(S("abcdefghij"), 1, 9, "12345678901234567890", S("a12345678901234567890"));
204     test(S("abcdefghij"), 1, 10, "", S("a"));
205     test(S("abcdefghij"), 1, 10, "12345", S("a12345"));
206     test(S("abcdefghij"), 1, 10, "1234567890", S("a1234567890"));
207     test(S("abcdefghij"), 1, 10, "12345678901234567890", S("a12345678901234567890"));
208     test(S("abcdefghij"), 5, 0, "", S("abcdefghij"));
209     test(S("abcdefghij"), 5, 0, "12345", S("abcde12345fghij"));
210     test(S("abcdefghij"), 5, 0, "1234567890", S("abcde1234567890fghij"));
211     test(S("abcdefghij"), 5, 0, "12345678901234567890", S("abcde12345678901234567890fghij"));
212     test(S("abcdefghij"), 5, 1, "", S("abcdeghij"));
213     test(S("abcdefghij"), 5, 1, "12345", S("abcde12345ghij"));
214     test(S("abcdefghij"), 5, 1, "1234567890", S("abcde1234567890ghij"));
215     test(S("abcdefghij"), 5, 1, "12345678901234567890", S("abcde12345678901234567890ghij"));
216     test(S("abcdefghij"), 5, 2, "", S("abcdehij"));
217     test(S("abcdefghij"), 5, 2, "12345", S("abcde12345hij"));
218     test(S("abcdefghij"), 5, 2, "1234567890", S("abcde1234567890hij"));
219     test(S("abcdefghij"), 5, 2, "12345678901234567890", S("abcde12345678901234567890hij"));
220     test(S("abcdefghij"), 5, 4, "", S("abcdej"));
221     test(S("abcdefghij"), 5, 4, "12345", S("abcde12345j"));
222     test(S("abcdefghij"), 5, 4, "1234567890", S("abcde1234567890j"));
223     test(S("abcdefghij"), 5, 4, "12345678901234567890", S("abcde12345678901234567890j"));
224     test(S("abcdefghij"), 5, 5, "", S("abcde"));
225     test(S("abcdefghij"), 5, 5, "12345", S("abcde12345"));
226     test(S("abcdefghij"), 5, 5, "1234567890", S("abcde1234567890"));
227     test(S("abcdefghij"), 5, 5, "12345678901234567890", S("abcde12345678901234567890"));
228     test(S("abcdefghij"), 5, 6, "", S("abcde"));
229     test(S("abcdefghij"), 5, 6, "12345", S("abcde12345"));
230     test(S("abcdefghij"), 5, 6, "1234567890", S("abcde1234567890"));
231     test(S("abcdefghij"), 5, 6, "12345678901234567890", S("abcde12345678901234567890"));
232     test(S("abcdefghij"), 9, 0, "", S("abcdefghij"));
233     test(S("abcdefghij"), 9, 0, "12345", S("abcdefghi12345j"));
234     test(S("abcdefghij"), 9, 0, "1234567890", S("abcdefghi1234567890j"));
235     test(S("abcdefghij"), 9, 0, "12345678901234567890", S("abcdefghi12345678901234567890j"));
236     test(S("abcdefghij"), 9, 1, "", S("abcdefghi"));
237     test(S("abcdefghij"), 9, 1, "12345", S("abcdefghi12345"));
238     test(S("abcdefghij"), 9, 1, "1234567890", S("abcdefghi1234567890"));
239     test(S("abcdefghij"), 9, 1, "12345678901234567890", S("abcdefghi12345678901234567890"));
240     test(S("abcdefghij"), 9, 2, "", S("abcdefghi"));
241     test(S("abcdefghij"), 9, 2, "12345", S("abcdefghi12345"));
242     test(S("abcdefghij"), 9, 2, "1234567890", S("abcdefghi1234567890"));
243     test(S("abcdefghij"), 9, 2, "12345678901234567890", S("abcdefghi12345678901234567890"));
244     test(S("abcdefghij"), 10, 0, "", S("abcdefghij"));
245     test(S("abcdefghij"), 10, 0, "12345", S("abcdefghij12345"));
246     test(S("abcdefghij"), 10, 0, "1234567890", S("abcdefghij1234567890"));
247     test(S("abcdefghij"), 10, 0, "12345678901234567890", S("abcdefghij12345678901234567890"));
248     test(S("abcdefghij"), 10, 1, "", S("abcdefghij"));
249     test(S("abcdefghij"), 10, 1, "12345", S("abcdefghij12345"));
250     test(S("abcdefghij"), 10, 1, "1234567890", S("abcdefghij1234567890"));
251     test(S("abcdefghij"), 10, 1, "12345678901234567890", S("abcdefghij12345678901234567890"));
252     test(S("abcdefghij"), 11, 0, "", S("can't happen"));
253     test(S("abcdefghij"), 11, 0, "12345", S("can't happen"));
254     test(S("abcdefghij"), 11, 0, "1234567890", S("can't happen"));
255     test(S("abcdefghij"), 11, 0, "12345678901234567890", S("can't happen"));
256 }
257 
258 template <class S>
test2()259 void test2()
260 {
261     test(S("abcdefghijklmnopqrst"), 0, 0, "", S("abcdefghijklmnopqrst"));
262     test(S("abcdefghijklmnopqrst"), 0, 0, "12345", S("12345abcdefghijklmnopqrst"));
263     test(S("abcdefghijklmnopqrst"), 0, 0, "1234567890", S("1234567890abcdefghijklmnopqrst"));
264     test(S("abcdefghijklmnopqrst"), 0, 0, "12345678901234567890", S("12345678901234567890abcdefghijklmnopqrst"));
265     test(S("abcdefghijklmnopqrst"), 0, 1, "", S("bcdefghijklmnopqrst"));
266     test(S("abcdefghijklmnopqrst"), 0, 1, "12345", S("12345bcdefghijklmnopqrst"));
267     test(S("abcdefghijklmnopqrst"), 0, 1, "1234567890", S("1234567890bcdefghijklmnopqrst"));
268     test(S("abcdefghijklmnopqrst"), 0, 1, "12345678901234567890", S("12345678901234567890bcdefghijklmnopqrst"));
269     test(S("abcdefghijklmnopqrst"), 0, 10, "", S("klmnopqrst"));
270     test(S("abcdefghijklmnopqrst"), 0, 10, "12345", S("12345klmnopqrst"));
271     test(S("abcdefghijklmnopqrst"), 0, 10, "1234567890", S("1234567890klmnopqrst"));
272     test(S("abcdefghijklmnopqrst"), 0, 10, "12345678901234567890", S("12345678901234567890klmnopqrst"));
273     test(S("abcdefghijklmnopqrst"), 0, 19, "", S("t"));
274     test(S("abcdefghijklmnopqrst"), 0, 19, "12345", S("12345t"));
275     test(S("abcdefghijklmnopqrst"), 0, 19, "1234567890", S("1234567890t"));
276     test(S("abcdefghijklmnopqrst"), 0, 19, "12345678901234567890", S("12345678901234567890t"));
277     test(S("abcdefghijklmnopqrst"), 0, 20, "", S(""));
278     test(S("abcdefghijklmnopqrst"), 0, 20, "12345", S("12345"));
279     test(S("abcdefghijklmnopqrst"), 0, 20, "1234567890", S("1234567890"));
280     test(S("abcdefghijklmnopqrst"), 0, 20, "12345678901234567890", S("12345678901234567890"));
281     test(S("abcdefghijklmnopqrst"), 0, 21, "", S(""));
282     test(S("abcdefghijklmnopqrst"), 0, 21, "12345", S("12345"));
283     test(S("abcdefghijklmnopqrst"), 0, 21, "1234567890", S("1234567890"));
284     test(S("abcdefghijklmnopqrst"), 0, 21, "12345678901234567890", S("12345678901234567890"));
285     test(S("abcdefghijklmnopqrst"), 1, 0, "", S("abcdefghijklmnopqrst"));
286     test(S("abcdefghijklmnopqrst"), 1, 0, "12345", S("a12345bcdefghijklmnopqrst"));
287     test(S("abcdefghijklmnopqrst"), 1, 0, "1234567890", S("a1234567890bcdefghijklmnopqrst"));
288     test(S("abcdefghijklmnopqrst"), 1, 0, "12345678901234567890", S("a12345678901234567890bcdefghijklmnopqrst"));
289     test(S("abcdefghijklmnopqrst"), 1, 1, "", S("acdefghijklmnopqrst"));
290     test(S("abcdefghijklmnopqrst"), 1, 1, "12345", S("a12345cdefghijklmnopqrst"));
291     test(S("abcdefghijklmnopqrst"), 1, 1, "1234567890", S("a1234567890cdefghijklmnopqrst"));
292     test(S("abcdefghijklmnopqrst"), 1, 1, "12345678901234567890", S("a12345678901234567890cdefghijklmnopqrst"));
293     test(S("abcdefghijklmnopqrst"), 1, 9, "", S("aklmnopqrst"));
294     test(S("abcdefghijklmnopqrst"), 1, 9, "12345", S("a12345klmnopqrst"));
295     test(S("abcdefghijklmnopqrst"), 1, 9, "1234567890", S("a1234567890klmnopqrst"));
296     test(S("abcdefghijklmnopqrst"), 1, 9, "12345678901234567890", S("a12345678901234567890klmnopqrst"));
297     test(S("abcdefghijklmnopqrst"), 1, 18, "", S("at"));
298     test(S("abcdefghijklmnopqrst"), 1, 18, "12345", S("a12345t"));
299     test(S("abcdefghijklmnopqrst"), 1, 18, "1234567890", S("a1234567890t"));
300     test(S("abcdefghijklmnopqrst"), 1, 18, "12345678901234567890", S("a12345678901234567890t"));
301     test(S("abcdefghijklmnopqrst"), 1, 19, "", S("a"));
302     test(S("abcdefghijklmnopqrst"), 1, 19, "12345", S("a12345"));
303     test(S("abcdefghijklmnopqrst"), 1, 19, "1234567890", S("a1234567890"));
304     test(S("abcdefghijklmnopqrst"), 1, 19, "12345678901234567890", S("a12345678901234567890"));
305     test(S("abcdefghijklmnopqrst"), 1, 20, "", S("a"));
306     test(S("abcdefghijklmnopqrst"), 1, 20, "12345", S("a12345"));
307     test(S("abcdefghijklmnopqrst"), 1, 20, "1234567890", S("a1234567890"));
308     test(S("abcdefghijklmnopqrst"), 1, 20, "12345678901234567890", S("a12345678901234567890"));
309     test(S("abcdefghijklmnopqrst"), 10, 0, "", S("abcdefghijklmnopqrst"));
310     test(S("abcdefghijklmnopqrst"), 10, 0, "12345", S("abcdefghij12345klmnopqrst"));
311     test(S("abcdefghijklmnopqrst"), 10, 0, "1234567890", S("abcdefghij1234567890klmnopqrst"));
312     test(S("abcdefghijklmnopqrst"), 10, 0, "12345678901234567890", S("abcdefghij12345678901234567890klmnopqrst"));
313     test(S("abcdefghijklmnopqrst"), 10, 1, "", S("abcdefghijlmnopqrst"));
314     test(S("abcdefghijklmnopqrst"), 10, 1, "12345", S("abcdefghij12345lmnopqrst"));
315     test(S("abcdefghijklmnopqrst"), 10, 1, "1234567890", S("abcdefghij1234567890lmnopqrst"));
316     test(S("abcdefghijklmnopqrst"), 10, 1, "12345678901234567890", S("abcdefghij12345678901234567890lmnopqrst"));
317     test(S("abcdefghijklmnopqrst"), 10, 5, "", S("abcdefghijpqrst"));
318     test(S("abcdefghijklmnopqrst"), 10, 5, "12345", S("abcdefghij12345pqrst"));
319     test(S("abcdefghijklmnopqrst"), 10, 5, "1234567890", S("abcdefghij1234567890pqrst"));
320     test(S("abcdefghijklmnopqrst"), 10, 5, "12345678901234567890", S("abcdefghij12345678901234567890pqrst"));
321     test(S("abcdefghijklmnopqrst"), 10, 9, "", S("abcdefghijt"));
322     test(S("abcdefghijklmnopqrst"), 10, 9, "12345", S("abcdefghij12345t"));
323     test(S("abcdefghijklmnopqrst"), 10, 9, "1234567890", S("abcdefghij1234567890t"));
324     test(S("abcdefghijklmnopqrst"), 10, 9, "12345678901234567890", S("abcdefghij12345678901234567890t"));
325     test(S("abcdefghijklmnopqrst"), 10, 10, "", S("abcdefghij"));
326     test(S("abcdefghijklmnopqrst"), 10, 10, "12345", S("abcdefghij12345"));
327     test(S("abcdefghijklmnopqrst"), 10, 10, "1234567890", S("abcdefghij1234567890"));
328     test(S("abcdefghijklmnopqrst"), 10, 10, "12345678901234567890", S("abcdefghij12345678901234567890"));
329     test(S("abcdefghijklmnopqrst"), 10, 11, "", S("abcdefghij"));
330     test(S("abcdefghijklmnopqrst"), 10, 11, "12345", S("abcdefghij12345"));
331     test(S("abcdefghijklmnopqrst"), 10, 11, "1234567890", S("abcdefghij1234567890"));
332     test(S("abcdefghijklmnopqrst"), 10, 11, "12345678901234567890", S("abcdefghij12345678901234567890"));
333     test(S("abcdefghijklmnopqrst"), 19, 0, "", S("abcdefghijklmnopqrst"));
334     test(S("abcdefghijklmnopqrst"), 19, 0, "12345", S("abcdefghijklmnopqrs12345t"));
335     test(S("abcdefghijklmnopqrst"), 19, 0, "1234567890", S("abcdefghijklmnopqrs1234567890t"));
336     test(S("abcdefghijklmnopqrst"), 19, 0, "12345678901234567890", S("abcdefghijklmnopqrs12345678901234567890t"));
337     test(S("abcdefghijklmnopqrst"), 19, 1, "", S("abcdefghijklmnopqrs"));
338     test(S("abcdefghijklmnopqrst"), 19, 1, "12345", S("abcdefghijklmnopqrs12345"));
339     test(S("abcdefghijklmnopqrst"), 19, 1, "1234567890", S("abcdefghijklmnopqrs1234567890"));
340     test(S("abcdefghijklmnopqrst"), 19, 1, "12345678901234567890", S("abcdefghijklmnopqrs12345678901234567890"));
341     test(S("abcdefghijklmnopqrst"), 19, 2, "", S("abcdefghijklmnopqrs"));
342     test(S("abcdefghijklmnopqrst"), 19, 2, "12345", S("abcdefghijklmnopqrs12345"));
343     test(S("abcdefghijklmnopqrst"), 19, 2, "1234567890", S("abcdefghijklmnopqrs1234567890"));
344     test(S("abcdefghijklmnopqrst"), 19, 2, "12345678901234567890", S("abcdefghijklmnopqrs12345678901234567890"));
345     test(S("abcdefghijklmnopqrst"), 20, 0, "", S("abcdefghijklmnopqrst"));
346     test(S("abcdefghijklmnopqrst"), 20, 0, "12345", S("abcdefghijklmnopqrst12345"));
347     test(S("abcdefghijklmnopqrst"), 20, 0, "1234567890", S("abcdefghijklmnopqrst1234567890"));
348     test(S("abcdefghijklmnopqrst"), 20, 0, "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
349     test(S("abcdefghijklmnopqrst"), 20, 1, "", S("abcdefghijklmnopqrst"));
350     test(S("abcdefghijklmnopqrst"), 20, 1, "12345", S("abcdefghijklmnopqrst12345"));
351     test(S("abcdefghijklmnopqrst"), 20, 1, "1234567890", S("abcdefghijklmnopqrst1234567890"));
352     test(S("abcdefghijklmnopqrst"), 20, 1, "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
353     test(S("abcdefghijklmnopqrst"), 21, 0, "", S("can't happen"));
354     test(S("abcdefghijklmnopqrst"), 21, 0, "12345", S("can't happen"));
355     test(S("abcdefghijklmnopqrst"), 21, 0, "1234567890", S("can't happen"));
356     test(S("abcdefghijklmnopqrst"), 21, 0, "12345678901234567890", S("can't happen"));
357 }
358 
main()359 int main()
360 {
361     {
362     typedef std::string S;
363     test0<S>();
364     test1<S>();
365     test2<S>();
366     }
367 #if __cplusplus >= 201103L
368     {
369     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
370     test0<S>();
371     test1<S>();
372     test2<S>();
373     }
374 #endif
375 }
376