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 "test_macros.h"
19 #include "min_allocator.h"
20
21 template <class S>
22 void
test(S s1,const typename S::value_type * s2)23 test(S s1, const typename S::value_type* s2)
24 {
25 typedef typename S::traits_type T;
26 s1 = s2;
27 LIBCPP_ASSERT(s1.__invariants());
28 assert(s1.size() == T::length(s2));
29 assert(T::compare(s1.data(), s2, s1.size()) == 0);
30 assert(s1.capacity() >= s1.size());
31 }
32
main()33 int main()
34 {
35 {
36 typedef std::string S;
37 test(S(), "");
38 test(S("1"), "");
39 test(S(), "1");
40 test(S("1"), "2");
41 test(S("1"), "2");
42
43 test(S(),
44 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
45 test(S("123456789"),
46 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
47 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
48 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
49 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
50 "1234567890123456789012345678901234567890123456789012345678901234567890"),
51 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
52 }
53 #if TEST_STD_VER >= 11
54 {
55 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
56 test(S(), "");
57 test(S("1"), "");
58 test(S(), "1");
59 test(S("1"), "2");
60 test(S("1"), "2");
61
62 test(S(),
63 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
64 test(S("123456789"),
65 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
66 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
67 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
68 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
69 "1234567890123456789012345678901234567890123456789012345678901234567890"),
70 "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
71 }
72 #endif
73 }
74