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 // iterator insert(const_iterator p, size_type n, charT c);
12 
13 #include <string>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 #include "min_allocator.h"
18 
19 template <class S>
20 void
test(S s,typename S::difference_type pos,typename S::size_type n,typename S::value_type c,S expected)21 test(S s, typename S::difference_type pos, typename S::size_type n,
22      typename S::value_type c, S expected)
23 {
24     typename S::const_iterator p = s.cbegin() + pos;
25     typename S::iterator i = s.insert(p, n, c);
26     LIBCPP_ASSERT(s.__invariants());
27     assert(i - s.begin() == pos);
28     assert(s == expected);
29 }
30 
main(int,char **)31 int main(int, char**)
32 {
33     {
34     typedef std::string S;
35     test(S(""), 0, 0, '1', S(""));
36     test(S(""), 0, 5, '1', S("11111"));
37     test(S(""), 0, 10, '1', S("1111111111"));
38     test(S(""), 0, 20, '1', S("11111111111111111111"));
39     test(S("abcde"), 0, 0, '1', S("abcde"));
40     test(S("abcde"), 0, 5, '1', S("11111abcde"));
41     test(S("abcde"), 0, 10, '1', S("1111111111abcde"));
42     test(S("abcde"), 0, 20, '1', S("11111111111111111111abcde"));
43     test(S("abcde"), 1, 0, '1', S("abcde"));
44     test(S("abcde"), 1, 5, '1', S("a11111bcde"));
45     test(S("abcde"), 1, 10, '1', S("a1111111111bcde"));
46     test(S("abcde"), 1, 20, '1', S("a11111111111111111111bcde"));
47     test(S("abcde"), 2, 0, '1', S("abcde"));
48     test(S("abcde"), 2, 5, '1', S("ab11111cde"));
49     test(S("abcde"), 2, 10, '1', S("ab1111111111cde"));
50     test(S("abcde"), 2, 20, '1', S("ab11111111111111111111cde"));
51     test(S("abcde"), 4, 0, '1', S("abcde"));
52     test(S("abcde"), 4, 5, '1', S("abcd11111e"));
53     test(S("abcde"), 4, 10, '1', S("abcd1111111111e"));
54     test(S("abcde"), 4, 20, '1', S("abcd11111111111111111111e"));
55     test(S("abcde"), 5, 0, '1', S("abcde"));
56     test(S("abcde"), 5, 5, '1', S("abcde11111"));
57     test(S("abcde"), 5, 10, '1', S("abcde1111111111"));
58     test(S("abcde"), 5, 20, '1', S("abcde11111111111111111111"));
59     test(S("abcdefghij"), 0, 0, '1', S("abcdefghij"));
60     test(S("abcdefghij"), 0, 5, '1', S("11111abcdefghij"));
61     test(S("abcdefghij"), 0, 10, '1', S("1111111111abcdefghij"));
62     test(S("abcdefghij"), 0, 20, '1', S("11111111111111111111abcdefghij"));
63     test(S("abcdefghij"), 1, 0, '1', S("abcdefghij"));
64     test(S("abcdefghij"), 1, 5, '1', S("a11111bcdefghij"));
65     test(S("abcdefghij"), 1, 10, '1', S("a1111111111bcdefghij"));
66     test(S("abcdefghij"), 1, 20, '1', S("a11111111111111111111bcdefghij"));
67     test(S("abcdefghij"), 5, 0, '1', S("abcdefghij"));
68     test(S("abcdefghij"), 5, 5, '1', S("abcde11111fghij"));
69     test(S("abcdefghij"), 5, 10, '1', S("abcde1111111111fghij"));
70     test(S("abcdefghij"), 5, 20, '1', S("abcde11111111111111111111fghij"));
71     test(S("abcdefghij"), 9, 0, '1', S("abcdefghij"));
72     test(S("abcdefghij"), 9, 5, '1', S("abcdefghi11111j"));
73     test(S("abcdefghij"), 9, 10, '1', S("abcdefghi1111111111j"));
74     test(S("abcdefghij"), 9, 20, '1', S("abcdefghi11111111111111111111j"));
75     test(S("abcdefghij"), 10, 0, '1', S("abcdefghij"));
76     test(S("abcdefghij"), 10, 5, '1', S("abcdefghij11111"));
77     test(S("abcdefghij"), 10, 10, '1', S("abcdefghij1111111111"));
78     test(S("abcdefghij"), 10, 20, '1', S("abcdefghij11111111111111111111"));
79     test(S("abcdefghijklmnopqrst"), 0, 0, '1', S("abcdefghijklmnopqrst"));
80     test(S("abcdefghijklmnopqrst"), 0, 5, '1', S("11111abcdefghijklmnopqrst"));
81     test(S("abcdefghijklmnopqrst"), 0, 10, '1', S("1111111111abcdefghijklmnopqrst"));
82     test(S("abcdefghijklmnopqrst"), 0, 20, '1', S("11111111111111111111abcdefghijklmnopqrst"));
83     test(S("abcdefghijklmnopqrst"), 1, 0, '1', S("abcdefghijklmnopqrst"));
84     test(S("abcdefghijklmnopqrst"), 1, 5, '1', S("a11111bcdefghijklmnopqrst"));
85     test(S("abcdefghijklmnopqrst"), 1, 10, '1', S("a1111111111bcdefghijklmnopqrst"));
86     test(S("abcdefghijklmnopqrst"), 1, 20, '1', S("a11111111111111111111bcdefghijklmnopqrst"));
87     test(S("abcdefghijklmnopqrst"), 10, 0, '1', S("abcdefghijklmnopqrst"));
88     test(S("abcdefghijklmnopqrst"), 10, 5, '1', S("abcdefghij11111klmnopqrst"));
89     test(S("abcdefghijklmnopqrst"), 10, 10, '1', S("abcdefghij1111111111klmnopqrst"));
90     test(S("abcdefghijklmnopqrst"), 10, 20, '1', S("abcdefghij11111111111111111111klmnopqrst"));
91     test(S("abcdefghijklmnopqrst"), 19, 0, '1', S("abcdefghijklmnopqrst"));
92     test(S("abcdefghijklmnopqrst"), 19, 5, '1', S("abcdefghijklmnopqrs11111t"));
93     test(S("abcdefghijklmnopqrst"), 19, 10, '1', S("abcdefghijklmnopqrs1111111111t"));
94     test(S("abcdefghijklmnopqrst"), 19, 20, '1', S("abcdefghijklmnopqrs11111111111111111111t"));
95     test(S("abcdefghijklmnopqrst"), 20, 0, '1', S("abcdefghijklmnopqrst"));
96     test(S("abcdefghijklmnopqrst"), 20, 5, '1', S("abcdefghijklmnopqrst11111"));
97     test(S("abcdefghijklmnopqrst"), 20, 10, '1', S("abcdefghijklmnopqrst1111111111"));
98     test(S("abcdefghijklmnopqrst"), 20, 20, '1', S("abcdefghijklmnopqrst11111111111111111111"));
99     }
100 #if TEST_STD_VER >= 11
101     {
102     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
103     test(S(""), 0, 0, '1', S(""));
104     test(S(""), 0, 5, '1', S("11111"));
105     test(S(""), 0, 10, '1', S("1111111111"));
106     test(S(""), 0, 20, '1', S("11111111111111111111"));
107     test(S("abcde"), 0, 0, '1', S("abcde"));
108     test(S("abcde"), 0, 5, '1', S("11111abcde"));
109     test(S("abcde"), 0, 10, '1', S("1111111111abcde"));
110     test(S("abcde"), 0, 20, '1', S("11111111111111111111abcde"));
111     test(S("abcde"), 1, 0, '1', S("abcde"));
112     test(S("abcde"), 1, 5, '1', S("a11111bcde"));
113     test(S("abcde"), 1, 10, '1', S("a1111111111bcde"));
114     test(S("abcde"), 1, 20, '1', S("a11111111111111111111bcde"));
115     test(S("abcde"), 2, 0, '1', S("abcde"));
116     test(S("abcde"), 2, 5, '1', S("ab11111cde"));
117     test(S("abcde"), 2, 10, '1', S("ab1111111111cde"));
118     test(S("abcde"), 2, 20, '1', S("ab11111111111111111111cde"));
119     test(S("abcde"), 4, 0, '1', S("abcde"));
120     test(S("abcde"), 4, 5, '1', S("abcd11111e"));
121     test(S("abcde"), 4, 10, '1', S("abcd1111111111e"));
122     test(S("abcde"), 4, 20, '1', S("abcd11111111111111111111e"));
123     test(S("abcde"), 5, 0, '1', S("abcde"));
124     test(S("abcde"), 5, 5, '1', S("abcde11111"));
125     test(S("abcde"), 5, 10, '1', S("abcde1111111111"));
126     test(S("abcde"), 5, 20, '1', S("abcde11111111111111111111"));
127     test(S("abcdefghij"), 0, 0, '1', S("abcdefghij"));
128     test(S("abcdefghij"), 0, 5, '1', S("11111abcdefghij"));
129     test(S("abcdefghij"), 0, 10, '1', S("1111111111abcdefghij"));
130     test(S("abcdefghij"), 0, 20, '1', S("11111111111111111111abcdefghij"));
131     test(S("abcdefghij"), 1, 0, '1', S("abcdefghij"));
132     test(S("abcdefghij"), 1, 5, '1', S("a11111bcdefghij"));
133     test(S("abcdefghij"), 1, 10, '1', S("a1111111111bcdefghij"));
134     test(S("abcdefghij"), 1, 20, '1', S("a11111111111111111111bcdefghij"));
135     test(S("abcdefghij"), 5, 0, '1', S("abcdefghij"));
136     test(S("abcdefghij"), 5, 5, '1', S("abcde11111fghij"));
137     test(S("abcdefghij"), 5, 10, '1', S("abcde1111111111fghij"));
138     test(S("abcdefghij"), 5, 20, '1', S("abcde11111111111111111111fghij"));
139     test(S("abcdefghij"), 9, 0, '1', S("abcdefghij"));
140     test(S("abcdefghij"), 9, 5, '1', S("abcdefghi11111j"));
141     test(S("abcdefghij"), 9, 10, '1', S("abcdefghi1111111111j"));
142     test(S("abcdefghij"), 9, 20, '1', S("abcdefghi11111111111111111111j"));
143     test(S("abcdefghij"), 10, 0, '1', S("abcdefghij"));
144     test(S("abcdefghij"), 10, 5, '1', S("abcdefghij11111"));
145     test(S("abcdefghij"), 10, 10, '1', S("abcdefghij1111111111"));
146     test(S("abcdefghij"), 10, 20, '1', S("abcdefghij11111111111111111111"));
147     test(S("abcdefghijklmnopqrst"), 0, 0, '1', S("abcdefghijklmnopqrst"));
148     test(S("abcdefghijklmnopqrst"), 0, 5, '1', S("11111abcdefghijklmnopqrst"));
149     test(S("abcdefghijklmnopqrst"), 0, 10, '1', S("1111111111abcdefghijklmnopqrst"));
150     test(S("abcdefghijklmnopqrst"), 0, 20, '1', S("11111111111111111111abcdefghijklmnopqrst"));
151     test(S("abcdefghijklmnopqrst"), 1, 0, '1', S("abcdefghijklmnopqrst"));
152     test(S("abcdefghijklmnopqrst"), 1, 5, '1', S("a11111bcdefghijklmnopqrst"));
153     test(S("abcdefghijklmnopqrst"), 1, 10, '1', S("a1111111111bcdefghijklmnopqrst"));
154     test(S("abcdefghijklmnopqrst"), 1, 20, '1', S("a11111111111111111111bcdefghijklmnopqrst"));
155     test(S("abcdefghijklmnopqrst"), 10, 0, '1', S("abcdefghijklmnopqrst"));
156     test(S("abcdefghijklmnopqrst"), 10, 5, '1', S("abcdefghij11111klmnopqrst"));
157     test(S("abcdefghijklmnopqrst"), 10, 10, '1', S("abcdefghij1111111111klmnopqrst"));
158     test(S("abcdefghijklmnopqrst"), 10, 20, '1', S("abcdefghij11111111111111111111klmnopqrst"));
159     test(S("abcdefghijklmnopqrst"), 19, 0, '1', S("abcdefghijklmnopqrst"));
160     test(S("abcdefghijklmnopqrst"), 19, 5, '1', S("abcdefghijklmnopqrs11111t"));
161     test(S("abcdefghijklmnopqrst"), 19, 10, '1', S("abcdefghijklmnopqrs1111111111t"));
162     test(S("abcdefghijklmnopqrst"), 19, 20, '1', S("abcdefghijklmnopqrs11111111111111111111t"));
163     test(S("abcdefghijklmnopqrst"), 20, 0, '1', S("abcdefghijklmnopqrst"));
164     test(S("abcdefghijklmnopqrst"), 20, 5, '1', S("abcdefghijklmnopqrst11111"));
165     test(S("abcdefghijklmnopqrst"), 20, 10, '1', S("abcdefghijklmnopqrst1111111111"));
166     test(S("abcdefghijklmnopqrst"), 20, 20, '1', S("abcdefghijklmnopqrst11111111111111111111"));
167     }
168 #endif
169 
170   return 0;
171 }
172