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 // basic_string<charT,traits,Allocator>&
13 // operator=(const charT* s);
14
15 #include <string>
16 #include <cassert>
17
18 #include "min_allocator.h"
19
20 template <class S>
21 void
test(S s1,const typename S::value_type * s2)22 test(S s1, const typename S::value_type* s2)
23 {
24 typedef typename S::traits_type T;
25 s1 = s2;
26 assert(s1.__invariants());
27 assert(s1.size() == T::length(s2));
28 assert(T::compare(s1.data(), s2, s1.size()) == 0);
29 assert(s1.capacity() >= s1.size());
30 }
31
main()32 int main()
33 {
34 {
35 typedef std::string S;
36 test(S(), "");
37 test(S("1"), "");
38 test(S(), "1");
39 test(S("1"), "2");
40 test(S("1"), "2");
41
42 test(S(),
43 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
44 test(S("123456789"),
45 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
46 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
47 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
48 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
49 "1234567890123456789012345678901234567890123456789012345678901234567890"),
50 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
51 }
52 #if __cplusplus >= 201103L
53 {
54 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
55 test(S(), "");
56 test(S("1"), "");
57 test(S(), "1");
58 test(S("1"), "2");
59 test(S("1"), "2");
60
61 test(S(),
62 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
63 test(S("123456789"),
64 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
65 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
66 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
67 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
68 "1234567890123456789012345678901234567890123456789012345678901234567890"),
69 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
70 }
71 #endif
72 }
73