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
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
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>
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>
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 
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