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 // size_type find(charT c, size_type pos = 0) const;
13
14 #include <string>
15 #include <cassert>
16
17 #include "min_allocator.h"
18
19 template <class S>
20 void
test(const S & s,typename S::value_type c,typename S::size_type pos,typename S::size_type x)21 test(const S& s, typename S::value_type c, typename S::size_type pos,
22 typename S::size_type x)
23 {
24 assert(s.find(c, pos) == x);
25 if (x != S::npos)
26 assert(pos <= x && x + 1 <= s.size());
27 }
28
29 template <class S>
30 void
test(const S & s,typename S::value_type c,typename S::size_type x)31 test(const S& s, typename S::value_type c, typename S::size_type x)
32 {
33 assert(s.find(c) == x);
34 if (x != S::npos)
35 assert(0 <= x && x + 1 <= s.size());
36 }
37
main()38 int main()
39 {
40 {
41 typedef std::string S;
42 test(S(""), 'c', 0, S::npos);
43 test(S(""), 'c', 1, S::npos);
44 test(S("abcde"), 'c', 0, 2);
45 test(S("abcde"), 'c', 1, 2);
46 test(S("abcde"), 'c', 2, 2);
47 test(S("abcde"), 'c', 4, S::npos);
48 test(S("abcde"), 'c', 5, S::npos);
49 test(S("abcde"), 'c', 6, S::npos);
50 test(S("abcdeabcde"), 'c', 0, 2);
51 test(S("abcdeabcde"), 'c', 1, 2);
52 test(S("abcdeabcde"), 'c', 5, 7);
53 test(S("abcdeabcde"), 'c', 9, S::npos);
54 test(S("abcdeabcde"), 'c', 10, S::npos);
55 test(S("abcdeabcde"), 'c', 11, S::npos);
56 test(S("abcdeabcdeabcdeabcde"), 'c', 0, 2);
57 test(S("abcdeabcdeabcdeabcde"), 'c', 1, 2);
58 test(S("abcdeabcdeabcdeabcde"), 'c', 10, 12);
59 test(S("abcdeabcdeabcdeabcde"), 'c', 19, S::npos);
60 test(S("abcdeabcdeabcdeabcde"), 'c', 20, S::npos);
61 test(S("abcdeabcdeabcdeabcde"), 'c', 21, S::npos);
62
63 test(S(""), 'c', S::npos);
64 test(S("abcde"), 'c', 2);
65 test(S("abcdeabcde"), 'c', 2);
66 test(S("abcdeabcdeabcdeabcde"), 'c', 2);
67 }
68 #if __cplusplus >= 201103L
69 {
70 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
71 test(S(""), 'c', 0, S::npos);
72 test(S(""), 'c', 1, S::npos);
73 test(S("abcde"), 'c', 0, 2);
74 test(S("abcde"), 'c', 1, 2);
75 test(S("abcde"), 'c', 2, 2);
76 test(S("abcde"), 'c', 4, S::npos);
77 test(S("abcde"), 'c', 5, S::npos);
78 test(S("abcde"), 'c', 6, S::npos);
79 test(S("abcdeabcde"), 'c', 0, 2);
80 test(S("abcdeabcde"), 'c', 1, 2);
81 test(S("abcdeabcde"), 'c', 5, 7);
82 test(S("abcdeabcde"), 'c', 9, S::npos);
83 test(S("abcdeabcde"), 'c', 10, S::npos);
84 test(S("abcdeabcde"), 'c', 11, S::npos);
85 test(S("abcdeabcdeabcdeabcde"), 'c', 0, 2);
86 test(S("abcdeabcdeabcdeabcde"), 'c', 1, 2);
87 test(S("abcdeabcdeabcdeabcde"), 'c', 10, 12);
88 test(S("abcdeabcdeabcdeabcde"), 'c', 19, S::npos);
89 test(S("abcdeabcdeabcdeabcde"), 'c', 20, S::npos);
90 test(S("abcdeabcdeabcdeabcde"), 'c', 21, S::npos);
91
92 test(S(""), 'c', S::npos);
93 test(S("abcde"), 'c', 2);
94 test(S("abcdeabcde"), 'c', 2);
95 test(S("abcdeabcdeabcdeabcde"), 'c', 2);
96 }
97 #endif
98 }
99