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>& operator=(charT c);
13
14 #include <string>
15 #include <cassert>
16
17 #include "test_macros.h"
18 #include "min_allocator.h"
19
20 template <class S>
21 void
test(S s1,typename S::value_type s2)22 test(S s1, typename S::value_type s2)
23 {
24 typedef typename S::traits_type T;
25 s1 = s2;
26 LIBCPP_ASSERT(s1.__invariants());
27 assert(s1.size() == 1);
28 assert(T::eq(s1[0], s2));
29 assert(s1.capacity() >= s1.size());
30 }
31
main()32 int main()
33 {
34 {
35 typedef std::string S;
36 test(S(), 'a');
37 test(S("1"), 'a');
38 test(S("123456789"), 'a');
39 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), 'a');
40 }
41 #if TEST_STD_VER >= 11
42 {
43 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
44 test(S(), 'a');
45 test(S("1"), 'a');
46 test(S("123456789"), 'a');
47 test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), 'a');
48 }
49 #endif
50 }
51