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 // template<class charT, class traits, class Allocator>
13 //   bool operator<=(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs);
14 
15 #include <string>
16 #include <cassert>
17 
18 #include "min_allocator.h"
19 
20 template <class S>
21 void
test(const typename S::value_type * lhs,const S & rhs,bool x)22 test(const typename S::value_type* lhs, const S& rhs, bool x)
23 {
24     assert((lhs <= rhs) == x);
25 }
26 
main()27 int main()
28 {
29     {
30     typedef std::string S;
31     test("", S(""), true);
32     test("", S("abcde"), true);
33     test("", S("abcdefghij"), true);
34     test("", S("abcdefghijklmnopqrst"), true);
35     test("abcde", S(""), false);
36     test("abcde", S("abcde"), true);
37     test("abcde", S("abcdefghij"), true);
38     test("abcde", S("abcdefghijklmnopqrst"), true);
39     test("abcdefghij", S(""), false);
40     test("abcdefghij", S("abcde"), false);
41     test("abcdefghij", S("abcdefghij"), true);
42     test("abcdefghij", S("abcdefghijklmnopqrst"), true);
43     test("abcdefghijklmnopqrst", S(""), false);
44     test("abcdefghijklmnopqrst", S("abcde"), false);
45     test("abcdefghijklmnopqrst", S("abcdefghij"), false);
46     test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), true);
47     }
48 #if __cplusplus >= 201103L
49     {
50     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
51     test("", S(""), true);
52     test("", S("abcde"), true);
53     test("", S("abcdefghij"), true);
54     test("", S("abcdefghijklmnopqrst"), true);
55     test("abcde", S(""), false);
56     test("abcde", S("abcde"), true);
57     test("abcde", S("abcdefghij"), true);
58     test("abcde", S("abcdefghijklmnopqrst"), true);
59     test("abcdefghij", S(""), false);
60     test("abcdefghij", S("abcde"), false);
61     test("abcdefghij", S("abcdefghij"), true);
62     test("abcdefghij", S("abcdefghijklmnopqrst"), true);
63     test("abcdefghijklmnopqrst", S(""), false);
64     test("abcdefghijklmnopqrst", S("abcde"), false);
65     test("abcdefghijklmnopqrst", S("abcdefghij"), false);
66     test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), true);
67     }
68 #endif
69 }
70