1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <string>
10 
11 // int compare(size_type pos, size_type n1, const charT *s) const;
12 
13 #include <string>
14 #include <stdexcept>
15 #include <cassert>
16 
17 #include "min_allocator.h"
18 
19 #include "test_macros.h"
20 
sign(int x)21 int sign(int x)
22 {
23     if (x == 0)
24         return 0;
25     if (x < 0)
26         return -1;
27     return 1;
28 }
29 
30 template <class S>
31 void
test(const S & s,typename S::size_type pos1,typename S::size_type n1,const typename S::value_type * str,int x)32 test(const S& s, typename S::size_type pos1, typename S::size_type n1,
33      const typename S::value_type* str, int x)
34 {
35     if (pos1 <= s.size())
36         assert(sign(s.compare(pos1, n1, str)) == sign(x));
37 #ifndef TEST_HAS_NO_EXCEPTIONS
38     else
39     {
40         try
41         {
42             TEST_IGNORE_NODISCARD s.compare(pos1, n1, str);
43             assert(false);
44         }
45         catch (std::out_of_range&)
46         {
47             assert(pos1 > s.size());
48         }
49     }
50 #endif
51 }
52 
53 template <class S>
test0()54 void test0()
55 {
56     test(S(""), 0, 0, "", 0);
57     test(S(""), 0, 0, "abcde", -5);
58     test(S(""), 0, 0, "abcdefghij", -10);
59     test(S(""), 0, 0, "abcdefghijklmnopqrst", -20);
60     test(S(""), 0, 1, "", 0);
61     test(S(""), 0, 1, "abcde", -5);
62     test(S(""), 0, 1, "abcdefghij", -10);
63     test(S(""), 0, 1, "abcdefghijklmnopqrst", -20);
64     test(S(""), 1, 0, "", 0);
65     test(S(""), 1, 0, "abcde", 0);
66     test(S(""), 1, 0, "abcdefghij", 0);
67     test(S(""), 1, 0, "abcdefghijklmnopqrst", 0);
68     test(S("abcde"), 0, 0, "", 0);
69     test(S("abcde"), 0, 0, "abcde", -5);
70     test(S("abcde"), 0, 0, "abcdefghij", -10);
71     test(S("abcde"), 0, 0, "abcdefghijklmnopqrst", -20);
72     test(S("abcde"), 0, 1, "", 1);
73     test(S("abcde"), 0, 1, "abcde", -4);
74     test(S("abcde"), 0, 1, "abcdefghij", -9);
75     test(S("abcde"), 0, 1, "abcdefghijklmnopqrst", -19);
76     test(S("abcde"), 0, 2, "", 2);
77     test(S("abcde"), 0, 2, "abcde", -3);
78     test(S("abcde"), 0, 2, "abcdefghij", -8);
79     test(S("abcde"), 0, 2, "abcdefghijklmnopqrst", -18);
80     test(S("abcde"), 0, 4, "", 4);
81     test(S("abcde"), 0, 4, "abcde", -1);
82     test(S("abcde"), 0, 4, "abcdefghij", -6);
83     test(S("abcde"), 0, 4, "abcdefghijklmnopqrst", -16);
84     test(S("abcde"), 0, 5, "", 5);
85     test(S("abcde"), 0, 5, "abcde", 0);
86     test(S("abcde"), 0, 5, "abcdefghij", -5);
87     test(S("abcde"), 0, 5, "abcdefghijklmnopqrst", -15);
88     test(S("abcde"), 0, 6, "", 5);
89     test(S("abcde"), 0, 6, "abcde", 0);
90     test(S("abcde"), 0, 6, "abcdefghij", -5);
91     test(S("abcde"), 0, 6, "abcdefghijklmnopqrst", -15);
92     test(S("abcde"), 1, 0, "", 0);
93     test(S("abcde"), 1, 0, "abcde", -5);
94     test(S("abcde"), 1, 0, "abcdefghij", -10);
95     test(S("abcde"), 1, 0, "abcdefghijklmnopqrst", -20);
96     test(S("abcde"), 1, 1, "", 1);
97     test(S("abcde"), 1, 1, "abcde", 1);
98     test(S("abcde"), 1, 1, "abcdefghij", 1);
99     test(S("abcde"), 1, 1, "abcdefghijklmnopqrst", 1);
100     test(S("abcde"), 1, 2, "", 2);
101     test(S("abcde"), 1, 2, "abcde", 1);
102     test(S("abcde"), 1, 2, "abcdefghij", 1);
103     test(S("abcde"), 1, 2, "abcdefghijklmnopqrst", 1);
104     test(S("abcde"), 1, 3, "", 3);
105     test(S("abcde"), 1, 3, "abcde", 1);
106     test(S("abcde"), 1, 3, "abcdefghij", 1);
107     test(S("abcde"), 1, 3, "abcdefghijklmnopqrst", 1);
108     test(S("abcde"), 1, 4, "", 4);
109     test(S("abcde"), 1, 4, "abcde", 1);
110     test(S("abcde"), 1, 4, "abcdefghij", 1);
111     test(S("abcde"), 1, 4, "abcdefghijklmnopqrst", 1);
112     test(S("abcde"), 1, 5, "", 4);
113     test(S("abcde"), 1, 5, "abcde", 1);
114     test(S("abcde"), 1, 5, "abcdefghij", 1);
115     test(S("abcde"), 1, 5, "abcdefghijklmnopqrst", 1);
116     test(S("abcde"), 2, 0, "", 0);
117     test(S("abcde"), 2, 0, "abcde", -5);
118     test(S("abcde"), 2, 0, "abcdefghij", -10);
119     test(S("abcde"), 2, 0, "abcdefghijklmnopqrst", -20);
120     test(S("abcde"), 2, 1, "", 1);
121     test(S("abcde"), 2, 1, "abcde", 2);
122     test(S("abcde"), 2, 1, "abcdefghij", 2);
123     test(S("abcde"), 2, 1, "abcdefghijklmnopqrst", 2);
124     test(S("abcde"), 2, 2, "", 2);
125     test(S("abcde"), 2, 2, "abcde", 2);
126     test(S("abcde"), 2, 2, "abcdefghij", 2);
127     test(S("abcde"), 2, 2, "abcdefghijklmnopqrst", 2);
128     test(S("abcde"), 2, 3, "", 3);
129     test(S("abcde"), 2, 3, "abcde", 2);
130     test(S("abcde"), 2, 3, "abcdefghij", 2);
131     test(S("abcde"), 2, 3, "abcdefghijklmnopqrst", 2);
132     test(S("abcde"), 2, 4, "", 3);
133     test(S("abcde"), 2, 4, "abcde", 2);
134     test(S("abcde"), 2, 4, "abcdefghij", 2);
135     test(S("abcde"), 2, 4, "abcdefghijklmnopqrst", 2);
136     test(S("abcde"), 4, 0, "", 0);
137     test(S("abcde"), 4, 0, "abcde", -5);
138     test(S("abcde"), 4, 0, "abcdefghij", -10);
139     test(S("abcde"), 4, 0, "abcdefghijklmnopqrst", -20);
140     test(S("abcde"), 4, 1, "", 1);
141     test(S("abcde"), 4, 1, "abcde", 4);
142     test(S("abcde"), 4, 1, "abcdefghij", 4);
143     test(S("abcde"), 4, 1, "abcdefghijklmnopqrst", 4);
144     test(S("abcde"), 4, 2, "", 1);
145     test(S("abcde"), 4, 2, "abcde", 4);
146     test(S("abcde"), 4, 2, "abcdefghij", 4);
147     test(S("abcde"), 4, 2, "abcdefghijklmnopqrst", 4);
148     test(S("abcde"), 5, 0, "", 0);
149     test(S("abcde"), 5, 0, "abcde", -5);
150     test(S("abcde"), 5, 0, "abcdefghij", -10);
151     test(S("abcde"), 5, 0, "abcdefghijklmnopqrst", -20);
152     test(S("abcde"), 5, 1, "", 0);
153     test(S("abcde"), 5, 1, "abcde", -5);
154     test(S("abcde"), 5, 1, "abcdefghij", -10);
155     test(S("abcde"), 5, 1, "abcdefghijklmnopqrst", -20);
156 }
157 
158 template <class S>
test1()159 void test1()
160 {
161     test(S("abcde"), 6, 0, "", 0);
162     test(S("abcde"), 6, 0, "abcde", 0);
163     test(S("abcde"), 6, 0, "abcdefghij", 0);
164     test(S("abcde"), 6, 0, "abcdefghijklmnopqrst", 0);
165     test(S("abcdefghij"), 0, 0, "", 0);
166     test(S("abcdefghij"), 0, 0, "abcde", -5);
167     test(S("abcdefghij"), 0, 0, "abcdefghij", -10);
168     test(S("abcdefghij"), 0, 0, "abcdefghijklmnopqrst", -20);
169     test(S("abcdefghij"), 0, 1, "", 1);
170     test(S("abcdefghij"), 0, 1, "abcde", -4);
171     test(S("abcdefghij"), 0, 1, "abcdefghij", -9);
172     test(S("abcdefghij"), 0, 1, "abcdefghijklmnopqrst", -19);
173     test(S("abcdefghij"), 0, 5, "", 5);
174     test(S("abcdefghij"), 0, 5, "abcde", 0);
175     test(S("abcdefghij"), 0, 5, "abcdefghij", -5);
176     test(S("abcdefghij"), 0, 5, "abcdefghijklmnopqrst", -15);
177     test(S("abcdefghij"), 0, 9, "", 9);
178     test(S("abcdefghij"), 0, 9, "abcde", 4);
179     test(S("abcdefghij"), 0, 9, "abcdefghij", -1);
180     test(S("abcdefghij"), 0, 9, "abcdefghijklmnopqrst", -11);
181     test(S("abcdefghij"), 0, 10, "", 10);
182     test(S("abcdefghij"), 0, 10, "abcde", 5);
183     test(S("abcdefghij"), 0, 10, "abcdefghij", 0);
184     test(S("abcdefghij"), 0, 10, "abcdefghijklmnopqrst", -10);
185     test(S("abcdefghij"), 0, 11, "", 10);
186     test(S("abcdefghij"), 0, 11, "abcde", 5);
187     test(S("abcdefghij"), 0, 11, "abcdefghij", 0);
188     test(S("abcdefghij"), 0, 11, "abcdefghijklmnopqrst", -10);
189     test(S("abcdefghij"), 1, 0, "", 0);
190     test(S("abcdefghij"), 1, 0, "abcde", -5);
191     test(S("abcdefghij"), 1, 0, "abcdefghij", -10);
192     test(S("abcdefghij"), 1, 0, "abcdefghijklmnopqrst", -20);
193     test(S("abcdefghij"), 1, 1, "", 1);
194     test(S("abcdefghij"), 1, 1, "abcde", 1);
195     test(S("abcdefghij"), 1, 1, "abcdefghij", 1);
196     test(S("abcdefghij"), 1, 1, "abcdefghijklmnopqrst", 1);
197     test(S("abcdefghij"), 1, 4, "", 4);
198     test(S("abcdefghij"), 1, 4, "abcde", 1);
199     test(S("abcdefghij"), 1, 4, "abcdefghij", 1);
200     test(S("abcdefghij"), 1, 4, "abcdefghijklmnopqrst", 1);
201     test(S("abcdefghij"), 1, 8, "", 8);
202     test(S("abcdefghij"), 1, 8, "abcde", 1);
203     test(S("abcdefghij"), 1, 8, "abcdefghij", 1);
204     test(S("abcdefghij"), 1, 8, "abcdefghijklmnopqrst", 1);
205     test(S("abcdefghij"), 1, 9, "", 9);
206     test(S("abcdefghij"), 1, 9, "abcde", 1);
207     test(S("abcdefghij"), 1, 9, "abcdefghij", 1);
208     test(S("abcdefghij"), 1, 9, "abcdefghijklmnopqrst", 1);
209     test(S("abcdefghij"), 1, 10, "", 9);
210     test(S("abcdefghij"), 1, 10, "abcde", 1);
211     test(S("abcdefghij"), 1, 10, "abcdefghij", 1);
212     test(S("abcdefghij"), 1, 10, "abcdefghijklmnopqrst", 1);
213     test(S("abcdefghij"), 5, 0, "", 0);
214     test(S("abcdefghij"), 5, 0, "abcde", -5);
215     test(S("abcdefghij"), 5, 0, "abcdefghij", -10);
216     test(S("abcdefghij"), 5, 0, "abcdefghijklmnopqrst", -20);
217     test(S("abcdefghij"), 5, 1, "", 1);
218     test(S("abcdefghij"), 5, 1, "abcde", 5);
219     test(S("abcdefghij"), 5, 1, "abcdefghij", 5);
220     test(S("abcdefghij"), 5, 1, "abcdefghijklmnopqrst", 5);
221     test(S("abcdefghij"), 5, 2, "", 2);
222     test(S("abcdefghij"), 5, 2, "abcde", 5);
223     test(S("abcdefghij"), 5, 2, "abcdefghij", 5);
224     test(S("abcdefghij"), 5, 2, "abcdefghijklmnopqrst", 5);
225     test(S("abcdefghij"), 5, 4, "", 4);
226     test(S("abcdefghij"), 5, 4, "abcde", 5);
227     test(S("abcdefghij"), 5, 4, "abcdefghij", 5);
228     test(S("abcdefghij"), 5, 4, "abcdefghijklmnopqrst", 5);
229     test(S("abcdefghij"), 5, 5, "", 5);
230     test(S("abcdefghij"), 5, 5, "abcde", 5);
231     test(S("abcdefghij"), 5, 5, "abcdefghij", 5);
232     test(S("abcdefghij"), 5, 5, "abcdefghijklmnopqrst", 5);
233     test(S("abcdefghij"), 5, 6, "", 5);
234     test(S("abcdefghij"), 5, 6, "abcde", 5);
235     test(S("abcdefghij"), 5, 6, "abcdefghij", 5);
236     test(S("abcdefghij"), 5, 6, "abcdefghijklmnopqrst", 5);
237     test(S("abcdefghij"), 9, 0, "", 0);
238     test(S("abcdefghij"), 9, 0, "abcde", -5);
239     test(S("abcdefghij"), 9, 0, "abcdefghij", -10);
240     test(S("abcdefghij"), 9, 0, "abcdefghijklmnopqrst", -20);
241     test(S("abcdefghij"), 9, 1, "", 1);
242     test(S("abcdefghij"), 9, 1, "abcde", 9);
243     test(S("abcdefghij"), 9, 1, "abcdefghij", 9);
244     test(S("abcdefghij"), 9, 1, "abcdefghijklmnopqrst", 9);
245     test(S("abcdefghij"), 9, 2, "", 1);
246     test(S("abcdefghij"), 9, 2, "abcde", 9);
247     test(S("abcdefghij"), 9, 2, "abcdefghij", 9);
248     test(S("abcdefghij"), 9, 2, "abcdefghijklmnopqrst", 9);
249     test(S("abcdefghij"), 10, 0, "", 0);
250     test(S("abcdefghij"), 10, 0, "abcde", -5);
251     test(S("abcdefghij"), 10, 0, "abcdefghij", -10);
252     test(S("abcdefghij"), 10, 0, "abcdefghijklmnopqrst", -20);
253     test(S("abcdefghij"), 10, 1, "", 0);
254     test(S("abcdefghij"), 10, 1, "abcde", -5);
255     test(S("abcdefghij"), 10, 1, "abcdefghij", -10);
256     test(S("abcdefghij"), 10, 1, "abcdefghijklmnopqrst", -20);
257     test(S("abcdefghij"), 11, 0, "", 0);
258     test(S("abcdefghij"), 11, 0, "abcde", 0);
259     test(S("abcdefghij"), 11, 0, "abcdefghij", 0);
260     test(S("abcdefghij"), 11, 0, "abcdefghijklmnopqrst", 0);
261 }
262 
263 template <class S>
test2()264 void test2()
265 {
266     test(S("abcdefghijklmnopqrst"), 0, 0, "", 0);
267     test(S("abcdefghijklmnopqrst"), 0, 0, "abcde", -5);
268     test(S("abcdefghijklmnopqrst"), 0, 0, "abcdefghij", -10);
269     test(S("abcdefghijklmnopqrst"), 0, 0, "abcdefghijklmnopqrst", -20);
270     test(S("abcdefghijklmnopqrst"), 0, 1, "", 1);
271     test(S("abcdefghijklmnopqrst"), 0, 1, "abcde", -4);
272     test(S("abcdefghijklmnopqrst"), 0, 1, "abcdefghij", -9);
273     test(S("abcdefghijklmnopqrst"), 0, 1, "abcdefghijklmnopqrst", -19);
274     test(S("abcdefghijklmnopqrst"), 0, 10, "", 10);
275     test(S("abcdefghijklmnopqrst"), 0, 10, "abcde", 5);
276     test(S("abcdefghijklmnopqrst"), 0, 10, "abcdefghij", 0);
277     test(S("abcdefghijklmnopqrst"), 0, 10, "abcdefghijklmnopqrst", -10);
278     test(S("abcdefghijklmnopqrst"), 0, 19, "", 19);
279     test(S("abcdefghijklmnopqrst"), 0, 19, "abcde", 14);
280     test(S("abcdefghijklmnopqrst"), 0, 19, "abcdefghij", 9);
281     test(S("abcdefghijklmnopqrst"), 0, 19, "abcdefghijklmnopqrst", -1);
282     test(S("abcdefghijklmnopqrst"), 0, 20, "", 20);
283     test(S("abcdefghijklmnopqrst"), 0, 20, "abcde", 15);
284     test(S("abcdefghijklmnopqrst"), 0, 20, "abcdefghij", 10);
285     test(S("abcdefghijklmnopqrst"), 0, 20, "abcdefghijklmnopqrst", 0);
286     test(S("abcdefghijklmnopqrst"), 0, 21, "", 20);
287     test(S("abcdefghijklmnopqrst"), 0, 21, "abcde", 15);
288     test(S("abcdefghijklmnopqrst"), 0, 21, "abcdefghij", 10);
289     test(S("abcdefghijklmnopqrst"), 0, 21, "abcdefghijklmnopqrst", 0);
290     test(S("abcdefghijklmnopqrst"), 1, 0, "", 0);
291     test(S("abcdefghijklmnopqrst"), 1, 0, "abcde", -5);
292     test(S("abcdefghijklmnopqrst"), 1, 0, "abcdefghij", -10);
293     test(S("abcdefghijklmnopqrst"), 1, 0, "abcdefghijklmnopqrst", -20);
294     test(S("abcdefghijklmnopqrst"), 1, 1, "", 1);
295     test(S("abcdefghijklmnopqrst"), 1, 1, "abcde", 1);
296     test(S("abcdefghijklmnopqrst"), 1, 1, "abcdefghij", 1);
297     test(S("abcdefghijklmnopqrst"), 1, 1, "abcdefghijklmnopqrst", 1);
298     test(S("abcdefghijklmnopqrst"), 1, 9, "", 9);
299     test(S("abcdefghijklmnopqrst"), 1, 9, "abcde", 1);
300     test(S("abcdefghijklmnopqrst"), 1, 9, "abcdefghij", 1);
301     test(S("abcdefghijklmnopqrst"), 1, 9, "abcdefghijklmnopqrst", 1);
302     test(S("abcdefghijklmnopqrst"), 1, 18, "", 18);
303     test(S("abcdefghijklmnopqrst"), 1, 18, "abcde", 1);
304     test(S("abcdefghijklmnopqrst"), 1, 18, "abcdefghij", 1);
305     test(S("abcdefghijklmnopqrst"), 1, 18, "abcdefghijklmnopqrst", 1);
306     test(S("abcdefghijklmnopqrst"), 1, 19, "", 19);
307     test(S("abcdefghijklmnopqrst"), 1, 19, "abcde", 1);
308     test(S("abcdefghijklmnopqrst"), 1, 19, "abcdefghij", 1);
309     test(S("abcdefghijklmnopqrst"), 1, 19, "abcdefghijklmnopqrst", 1);
310     test(S("abcdefghijklmnopqrst"), 1, 20, "", 19);
311     test(S("abcdefghijklmnopqrst"), 1, 20, "abcde", 1);
312     test(S("abcdefghijklmnopqrst"), 1, 20, "abcdefghij", 1);
313     test(S("abcdefghijklmnopqrst"), 1, 20, "abcdefghijklmnopqrst", 1);
314     test(S("abcdefghijklmnopqrst"), 10, 0, "", 0);
315     test(S("abcdefghijklmnopqrst"), 10, 0, "abcde", -5);
316     test(S("abcdefghijklmnopqrst"), 10, 0, "abcdefghij", -10);
317     test(S("abcdefghijklmnopqrst"), 10, 0, "abcdefghijklmnopqrst", -20);
318     test(S("abcdefghijklmnopqrst"), 10, 1, "", 1);
319     test(S("abcdefghijklmnopqrst"), 10, 1, "abcde", 10);
320     test(S("abcdefghijklmnopqrst"), 10, 1, "abcdefghij", 10);
321     test(S("abcdefghijklmnopqrst"), 10, 1, "abcdefghijklmnopqrst", 10);
322     test(S("abcdefghijklmnopqrst"), 10, 5, "", 5);
323     test(S("abcdefghijklmnopqrst"), 10, 5, "abcde", 10);
324     test(S("abcdefghijklmnopqrst"), 10, 5, "abcdefghij", 10);
325     test(S("abcdefghijklmnopqrst"), 10, 5, "abcdefghijklmnopqrst", 10);
326     test(S("abcdefghijklmnopqrst"), 10, 9, "", 9);
327     test(S("abcdefghijklmnopqrst"), 10, 9, "abcde", 10);
328     test(S("abcdefghijklmnopqrst"), 10, 9, "abcdefghij", 10);
329     test(S("abcdefghijklmnopqrst"), 10, 9, "abcdefghijklmnopqrst", 10);
330     test(S("abcdefghijklmnopqrst"), 10, 10, "", 10);
331     test(S("abcdefghijklmnopqrst"), 10, 10, "abcde", 10);
332     test(S("abcdefghijklmnopqrst"), 10, 10, "abcdefghij", 10);
333     test(S("abcdefghijklmnopqrst"), 10, 10, "abcdefghijklmnopqrst", 10);
334     test(S("abcdefghijklmnopqrst"), 10, 11, "", 10);
335     test(S("abcdefghijklmnopqrst"), 10, 11, "abcde", 10);
336     test(S("abcdefghijklmnopqrst"), 10, 11, "abcdefghij", 10);
337     test(S("abcdefghijklmnopqrst"), 10, 11, "abcdefghijklmnopqrst", 10);
338     test(S("abcdefghijklmnopqrst"), 19, 0, "", 0);
339     test(S("abcdefghijklmnopqrst"), 19, 0, "abcde", -5);
340     test(S("abcdefghijklmnopqrst"), 19, 0, "abcdefghij", -10);
341     test(S("abcdefghijklmnopqrst"), 19, 0, "abcdefghijklmnopqrst", -20);
342     test(S("abcdefghijklmnopqrst"), 19, 1, "", 1);
343     test(S("abcdefghijklmnopqrst"), 19, 1, "abcde", 19);
344     test(S("abcdefghijklmnopqrst"), 19, 1, "abcdefghij", 19);
345     test(S("abcdefghijklmnopqrst"), 19, 1, "abcdefghijklmnopqrst", 19);
346     test(S("abcdefghijklmnopqrst"), 19, 2, "", 1);
347     test(S("abcdefghijklmnopqrst"), 19, 2, "abcde", 19);
348     test(S("abcdefghijklmnopqrst"), 19, 2, "abcdefghij", 19);
349     test(S("abcdefghijklmnopqrst"), 19, 2, "abcdefghijklmnopqrst", 19);
350     test(S("abcdefghijklmnopqrst"), 20, 0, "", 0);
351     test(S("abcdefghijklmnopqrst"), 20, 0, "abcde", -5);
352     test(S("abcdefghijklmnopqrst"), 20, 0, "abcdefghij", -10);
353     test(S("abcdefghijklmnopqrst"), 20, 0, "abcdefghijklmnopqrst", -20);
354     test(S("abcdefghijklmnopqrst"), 20, 1, "", 0);
355     test(S("abcdefghijklmnopqrst"), 20, 1, "abcde", -5);
356     test(S("abcdefghijklmnopqrst"), 20, 1, "abcdefghij", -10);
357     test(S("abcdefghijklmnopqrst"), 20, 1, "abcdefghijklmnopqrst", -20);
358     test(S("abcdefghijklmnopqrst"), 21, 0, "", 0);
359     test(S("abcdefghijklmnopqrst"), 21, 0, "abcde", 0);
360     test(S("abcdefghijklmnopqrst"), 21, 0, "abcdefghij", 0);
361     test(S("abcdefghijklmnopqrst"), 21, 0, "abcdefghijklmnopqrst", 0);
362 }
363 
main(int,char **)364 int main(int, char**)
365 {
366     {
367     typedef std::string S;
368     test0<S>();
369     test1<S>();
370     test2<S>();
371     }
372 #if TEST_STD_VER >= 11
373     {
374     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
375     test0<S>();
376     test1<S>();
377     test2<S>();
378     }
379 #endif
380 
381   return 0;
382 }
383