1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10
11 // UNSUPPORTED: c++98, c++03, c++11
12
13 #include <string>
14 #include <cassert>
15
main()16 int main()
17 {
18 using namespace std::literals::string_literals;
19
20 static_assert ( std::is_same<decltype( "Hi"s), std::string>::value, "" );
21 static_assert ( std::is_same<decltype( u8"Hi"s), std::string>::value, "" );
22 static_assert ( std::is_same<decltype( L"Hi"s), std::wstring>::value, "" );
23 static_assert ( std::is_same<decltype( u"Hi"s), std::u16string>::value, "" );
24 static_assert ( std::is_same<decltype( U"Hi"s), std::u32string>::value, "" );
25
26 std::string foo;
27 std::wstring Lfoo;
28 std::u16string ufoo;
29 std::u32string Ufoo;
30
31 foo = ""s; assert( foo.size() == 0);
32 foo = u8""s; assert( foo.size() == 0);
33 Lfoo = L""s; assert(Lfoo.size() == 0);
34 ufoo = u""s; assert(ufoo.size() == 0);
35 Ufoo = U""s; assert(Ufoo.size() == 0);
36
37 foo = " "s; assert( foo.size() == 1);
38 foo = u8" "s; assert( foo.size() == 1);
39 Lfoo = L" "s; assert(Lfoo.size() == 1);
40 ufoo = u" "s; assert(ufoo.size() == 1);
41 Ufoo = U" "s; assert(Ufoo.size() == 1);
42
43 foo = "ABC"s; assert( foo == "ABC"); assert( foo == std::string ( "ABC"));
44 foo = u8"ABC"s; assert( foo == u8"ABC"); assert( foo == std::string (u8"ABC"));
45 Lfoo = L"ABC"s; assert(Lfoo == L"ABC"); assert(Lfoo == std::wstring ( L"ABC"));
46 ufoo = u"ABC"s; assert(ufoo == u"ABC"); assert(ufoo == std::u16string( u"ABC"));
47 Ufoo = U"ABC"s; assert(Ufoo == U"ABC"); assert(Ufoo == std::u32string( U"ABC"));
48 }
49