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(const charT* s, 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,const typename S::value_type * str,typename S::size_type pos,typename S::size_type x)21 test(const S& s, const typename S::value_type* str, typename S::size_type pos,
22 typename S::size_type x)
23 {
24 assert(s.find(str, pos) == x);
25 if (x != S::npos)
26 {
27 typename S::size_type n = S::traits_type::length(str);
28 assert(pos <= x && x + n <= s.size());
29 }
30 }
31
32 template <class S>
33 void
test(const S & s,const typename S::value_type * str,typename S::size_type x)34 test(const S& s, const typename S::value_type* str, typename S::size_type x)
35 {
36 assert(s.find(str) == x);
37 if (x != S::npos)
38 {
39 typename S::size_type n = S::traits_type::length(str);
40 assert(0 <= x && x + n <= s.size());
41 }
42 }
43
44 template <class S>
test0()45 void test0()
46 {
47 test(S(""), "", 0, 0);
48 test(S(""), "abcde", 0, S::npos);
49 test(S(""), "abcdeabcde", 0, S::npos);
50 test(S(""), "abcdeabcdeabcdeabcde", 0, S::npos);
51 test(S(""), "", 1, S::npos);
52 test(S(""), "abcde", 1, S::npos);
53 test(S(""), "abcdeabcde", 1, S::npos);
54 test(S(""), "abcdeabcdeabcdeabcde", 1, S::npos);
55 test(S("abcde"), "", 0, 0);
56 test(S("abcde"), "abcde", 0, 0);
57 test(S("abcde"), "abcdeabcde", 0, S::npos);
58 test(S("abcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
59 test(S("abcde"), "", 1, 1);
60 test(S("abcde"), "abcde", 1, S::npos);
61 test(S("abcde"), "abcdeabcde", 1, S::npos);
62 test(S("abcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
63 test(S("abcde"), "", 2, 2);
64 test(S("abcde"), "abcde", 2, S::npos);
65 test(S("abcde"), "abcdeabcde", 2, S::npos);
66 test(S("abcde"), "abcdeabcdeabcdeabcde", 2, S::npos);
67 test(S("abcde"), "", 4, 4);
68 test(S("abcde"), "abcde", 4, S::npos);
69 test(S("abcde"), "abcdeabcde", 4, S::npos);
70 test(S("abcde"), "abcdeabcdeabcdeabcde", 4, S::npos);
71 test(S("abcde"), "", 5, 5);
72 test(S("abcde"), "abcde", 5, S::npos);
73 test(S("abcde"), "abcdeabcde", 5, S::npos);
74 test(S("abcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
75 test(S("abcde"), "", 6, S::npos);
76 test(S("abcde"), "abcde", 6, S::npos);
77 test(S("abcde"), "abcdeabcde", 6, S::npos);
78 test(S("abcde"), "abcdeabcdeabcdeabcde", 6, S::npos);
79 test(S("abcdeabcde"), "", 0, 0);
80 test(S("abcdeabcde"), "abcde", 0, 0);
81 test(S("abcdeabcde"), "abcdeabcde", 0, 0);
82 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 0, S::npos);
83 test(S("abcdeabcde"), "", 1, 1);
84 test(S("abcdeabcde"), "abcde", 1, 5);
85 test(S("abcdeabcde"), "abcdeabcde", 1, S::npos);
86 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
87 test(S("abcdeabcde"), "", 5, 5);
88 test(S("abcdeabcde"), "abcde", 5, 5);
89 test(S("abcdeabcde"), "abcdeabcde", 5, S::npos);
90 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 5, S::npos);
91 test(S("abcdeabcde"), "", 9, 9);
92 test(S("abcdeabcde"), "abcde", 9, S::npos);
93 test(S("abcdeabcde"), "abcdeabcde", 9, S::npos);
94 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 9, S::npos);
95 test(S("abcdeabcde"), "", 10, 10);
96 test(S("abcdeabcde"), "abcde", 10, S::npos);
97 test(S("abcdeabcde"), "abcdeabcde", 10, S::npos);
98 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
99 test(S("abcdeabcde"), "", 11, S::npos);
100 test(S("abcdeabcde"), "abcde", 11, S::npos);
101 test(S("abcdeabcde"), "abcdeabcde", 11, S::npos);
102 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", 11, S::npos);
103 test(S("abcdeabcdeabcdeabcde"), "", 0, 0);
104 test(S("abcdeabcdeabcdeabcde"), "abcde", 0, 0);
105 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0, 0);
106 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0, 0);
107 test(S("abcdeabcdeabcdeabcde"), "", 1, 1);
108 test(S("abcdeabcdeabcdeabcde"), "abcde", 1, 5);
109 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 1, 5);
110 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 1, S::npos);
111 test(S("abcdeabcdeabcdeabcde"), "", 10, 10);
112 test(S("abcdeabcdeabcdeabcde"), "abcde", 10, 10);
113 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 10, 10);
114 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 10, S::npos);
115 test(S("abcdeabcdeabcdeabcde"), "", 19, 19);
116 test(S("abcdeabcdeabcdeabcde"), "abcde", 19, S::npos);
117 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 19, S::npos);
118 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 19, S::npos);
119 test(S("abcdeabcdeabcdeabcde"), "", 20, 20);
120 test(S("abcdeabcdeabcdeabcde"), "abcde", 20, S::npos);
121 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 20, S::npos);
122 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 20, S::npos);
123 test(S("abcdeabcdeabcdeabcde"), "", 21, S::npos);
124 test(S("abcdeabcdeabcdeabcde"), "abcde", 21, S::npos);
125 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 21, S::npos);
126 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 21, S::npos);
127 }
128
129 template <class S>
test1()130 void test1()
131 {
132 test(S(""), "", 0);
133 test(S(""), "abcde", S::npos);
134 test(S(""), "abcdeabcde", S::npos);
135 test(S(""), "abcdeabcdeabcdeabcde", S::npos);
136 test(S("abcde"), "", 0);
137 test(S("abcde"), "abcde", 0);
138 test(S("abcde"), "abcdeabcde", S::npos);
139 test(S("abcde"), "abcdeabcdeabcdeabcde", S::npos);
140 test(S("abcdeabcde"), "", 0);
141 test(S("abcdeabcde"), "abcde", 0);
142 test(S("abcdeabcde"), "abcdeabcde", 0);
143 test(S("abcdeabcde"), "abcdeabcdeabcdeabcde", S::npos);
144 test(S("abcdeabcdeabcdeabcde"), "", 0);
145 test(S("abcdeabcdeabcdeabcde"), "abcde", 0);
146 test(S("abcdeabcdeabcdeabcde"), "abcdeabcde", 0);
147 test(S("abcdeabcdeabcdeabcde"), "abcdeabcdeabcdeabcde", 0);
148 }
149
main()150 int main()
151 {
152 {
153 typedef std::string S;
154 test0<S>();
155 test1<S>();
156 }
157 #if __cplusplus >= 201103L
158 {
159 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
160 test0<S>();
161 test1<S>();
162 }
163 #endif
164 }
165