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 // size_type copy(charT* s, size_type n, size_type pos = 0) const;
12
13 #include <string>
14 #include <stdexcept>
15 #include <algorithm>
16 #include <cassert>
17
18 #include "test_macros.h"
19 #include "min_allocator.h"
20
21 template <class S>
22 void
test(S str,typename S::value_type * s,typename S::size_type n,typename S::size_type pos)23 test(S str, typename S::value_type* s, typename S::size_type n,
24 typename S::size_type pos)
25 {
26 const S& cs = str;
27 if (pos <= cs.size())
28 {
29 typename S::size_type r = cs.copy(s, n, pos);
30 typename S::size_type rlen = std::min(n, cs.size() - pos);
31 assert(r == rlen);
32 for (r = 0; r < rlen; ++r)
33 assert(S::traits_type::eq(cs[pos+r], s[r]));
34 }
35 #ifndef TEST_HAS_NO_EXCEPTIONS
36 else
37 {
38 try
39 {
40 typename S::size_type r = cs.copy(s, n, pos);
41 ((void)r); // Prevent unused warning
42 assert(false);
43 }
44 catch (std::out_of_range&)
45 {
46 assert(pos > str.size());
47 }
48 }
49 #endif
50 }
51
main(int,char **)52 int main(int, char**)
53 {
54 {
55 typedef std::string S;
56 char s[50];
57 test(S(""), s, 0, 0);
58 test(S(""), s, 0, 1);
59 test(S(""), s, 1, 0);
60 test(S("abcde"), s, 0, 0);
61 test(S("abcde"), s, 0, 1);
62 test(S("abcde"), s, 0, 2);
63 test(S("abcde"), s, 0, 4);
64 test(S("abcde"), s, 0, 5);
65 test(S("abcde"), s, 0, 6);
66 test(S("abcde"), s, 1, 0);
67 test(S("abcde"), s, 1, 1);
68 test(S("abcde"), s, 1, 2);
69 test(S("abcde"), s, 1, 4);
70 test(S("abcde"), s, 1, 5);
71 test(S("abcde"), s, 2, 0);
72 test(S("abcde"), s, 2, 1);
73 test(S("abcde"), s, 2, 2);
74 test(S("abcde"), s, 2, 4);
75 test(S("abcde"), s, 4, 0);
76 test(S("abcde"), s, 4, 1);
77 test(S("abcde"), s, 4, 2);
78 test(S("abcde"), s, 5, 0);
79 test(S("abcde"), s, 5, 1);
80 test(S("abcde"), s, 6, 0);
81 test(S("abcdefghijklmnopqrst"), s, 0, 0);
82 test(S("abcdefghijklmnopqrst"), s, 0, 1);
83 test(S("abcdefghijklmnopqrst"), s, 0, 2);
84 test(S("abcdefghijklmnopqrst"), s, 0, 10);
85 test(S("abcdefghijklmnopqrst"), s, 0, 19);
86 test(S("abcdefghijklmnopqrst"), s, 0, 20);
87 test(S("abcdefghijklmnopqrst"), s, 0, 21);
88 test(S("abcdefghijklmnopqrst"), s, 1, 0);
89 test(S("abcdefghijklmnopqrst"), s, 1, 1);
90 test(S("abcdefghijklmnopqrst"), s, 1, 2);
91 test(S("abcdefghijklmnopqrst"), s, 1, 9);
92 test(S("abcdefghijklmnopqrst"), s, 1, 18);
93 test(S("abcdefghijklmnopqrst"), s, 1, 19);
94 test(S("abcdefghijklmnopqrst"), s, 1, 20);
95 test(S("abcdefghijklmnopqrst"), s, 2, 0);
96 test(S("abcdefghijklmnopqrst"), s, 2, 1);
97 test(S("abcdefghijklmnopqrst"), s, 2, 2);
98 test(S("abcdefghijklmnopqrst"), s, 2, 9);
99 test(S("abcdefghijklmnopqrst"), s, 2, 17);
100 test(S("abcdefghijklmnopqrst"), s, 2, 18);
101 test(S("abcdefghijklmnopqrst"), s, 2, 19);
102 test(S("abcdefghijklmnopqrst"), s, 10, 0);
103 test(S("abcdefghijklmnopqrst"), s, 10, 1);
104 test(S("abcdefghijklmnopqrst"), s, 10, 2);
105 test(S("abcdefghijklmnopqrst"), s, 10, 5);
106 test(S("abcdefghijklmnopqrst"), s, 10, 9);
107 test(S("abcdefghijklmnopqrst"), s, 10, 10);
108 test(S("abcdefghijklmnopqrst"), s, 10, 11);
109 test(S("abcdefghijklmnopqrst"), s, 19, 0);
110 test(S("abcdefghijklmnopqrst"), s, 19, 1);
111 test(S("abcdefghijklmnopqrst"), s, 19, 2);
112 test(S("abcdefghijklmnopqrst"), s, 20, 0);
113 test(S("abcdefghijklmnopqrst"), s, 20, 1);
114 test(S("abcdefghijklmnopqrst"), s, 21, 0);
115 }
116 #if TEST_STD_VER >= 11
117 {
118 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
119 char s[50];
120 test(S(""), s, 0, 0);
121 test(S(""), s, 0, 1);
122 test(S(""), s, 1, 0);
123 test(S("abcde"), s, 0, 0);
124 test(S("abcde"), s, 0, 1);
125 test(S("abcde"), s, 0, 2);
126 test(S("abcde"), s, 0, 4);
127 test(S("abcde"), s, 0, 5);
128 test(S("abcde"), s, 0, 6);
129 test(S("abcde"), s, 1, 0);
130 test(S("abcde"), s, 1, 1);
131 test(S("abcde"), s, 1, 2);
132 test(S("abcde"), s, 1, 4);
133 test(S("abcde"), s, 1, 5);
134 test(S("abcde"), s, 2, 0);
135 test(S("abcde"), s, 2, 1);
136 test(S("abcde"), s, 2, 2);
137 test(S("abcde"), s, 2, 4);
138 test(S("abcde"), s, 4, 0);
139 test(S("abcde"), s, 4, 1);
140 test(S("abcde"), s, 4, 2);
141 test(S("abcde"), s, 5, 0);
142 test(S("abcde"), s, 5, 1);
143 test(S("abcde"), s, 6, 0);
144 test(S("abcdefghijklmnopqrst"), s, 0, 0);
145 test(S("abcdefghijklmnopqrst"), s, 0, 1);
146 test(S("abcdefghijklmnopqrst"), s, 0, 2);
147 test(S("abcdefghijklmnopqrst"), s, 0, 10);
148 test(S("abcdefghijklmnopqrst"), s, 0, 19);
149 test(S("abcdefghijklmnopqrst"), s, 0, 20);
150 test(S("abcdefghijklmnopqrst"), s, 0, 21);
151 test(S("abcdefghijklmnopqrst"), s, 1, 0);
152 test(S("abcdefghijklmnopqrst"), s, 1, 1);
153 test(S("abcdefghijklmnopqrst"), s, 1, 2);
154 test(S("abcdefghijklmnopqrst"), s, 1, 9);
155 test(S("abcdefghijklmnopqrst"), s, 1, 18);
156 test(S("abcdefghijklmnopqrst"), s, 1, 19);
157 test(S("abcdefghijklmnopqrst"), s, 1, 20);
158 test(S("abcdefghijklmnopqrst"), s, 2, 0);
159 test(S("abcdefghijklmnopqrst"), s, 2, 1);
160 test(S("abcdefghijklmnopqrst"), s, 2, 2);
161 test(S("abcdefghijklmnopqrst"), s, 2, 9);
162 test(S("abcdefghijklmnopqrst"), s, 2, 17);
163 test(S("abcdefghijklmnopqrst"), s, 2, 18);
164 test(S("abcdefghijklmnopqrst"), s, 2, 19);
165 test(S("abcdefghijklmnopqrst"), s, 10, 0);
166 test(S("abcdefghijklmnopqrst"), s, 10, 1);
167 test(S("abcdefghijklmnopqrst"), s, 10, 2);
168 test(S("abcdefghijklmnopqrst"), s, 10, 5);
169 test(S("abcdefghijklmnopqrst"), s, 10, 9);
170 test(S("abcdefghijklmnopqrst"), s, 10, 10);
171 test(S("abcdefghijklmnopqrst"), s, 10, 11);
172 test(S("abcdefghijklmnopqrst"), s, 19, 0);
173 test(S("abcdefghijklmnopqrst"), s, 19, 1);
174 test(S("abcdefghijklmnopqrst"), s, 19, 2);
175 test(S("abcdefghijklmnopqrst"), s, 20, 0);
176 test(S("abcdefghijklmnopqrst"), s, 20, 1);
177 test(S("abcdefghijklmnopqrst"), s, 21, 0);
178 }
179 #endif
180
181 return 0;
182 }
183