1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9
10 // UNSUPPORTED: c++03, c++11
11
12 // Note: libc++ supports string_view before C++17, but literals were introduced in C++14
13
14 #include <string_view>
15 #include <cassert>
16
17 #include "test_macros.h"
18
main(int,char **)19 int main(int, char**)
20 {
21 using namespace std::literals;
22
23 std::string_view foo = ""sv;
24 assert(foo.length() == 0);
25
26 return 0;
27 }
28