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
11 // <string_view>
12
13 // constexpr const _CharT* data() const noexcept;
14
15 #include <experimental/string_view>
16 #include <cassert>
17
18 template <typename CharT>
test(const CharT * s,size_t len)19 void test ( const CharT *s, size_t len ) {
20 std::experimental::basic_string_view<CharT> sv ( s, len );
21 assert ( sv.length() == len );
22 assert ( sv.data() == s );
23 }
24
main()25 int main () {
26 test ( "ABCDE", 5 );
27 test ( "a", 1 );
28
29 test ( L"ABCDE", 5 );
30 test ( L"a", 1 );
31
32 #if __cplusplus >= 201103L
33 test ( u"ABCDE", 5 );
34 test ( u"a", 1 );
35
36 test ( U"ABCDE", 5 );
37 test ( U"a", 1 );
38 #endif
39
40 #if _LIBCPP_STD_VER > 11
41 {
42 constexpr const char *s = "ABC";
43 constexpr std::experimental::basic_string_view<char> sv( s, 2 );
44 static_assert( sv.length() == 2, "" );
45 static_assert( sv.data() == s, "" );
46 }
47 #endif
48 }
49