| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| |
| // <string_view> |
| |
| // constexpr basic_string_view () noexcept; |
| |
| #include <string_view> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| template<typename T> |
| void test () { |
| #if TEST_STD_VER > 11 |
| { |
| ASSERT_NOEXCEPT(T()); |
| |
| constexpr T sv1; |
| static_assert ( sv1.size() == 0, "" ); |
| static_assert ( sv1.empty(), ""); |
| } |
| #endif |
| |
| { |
| T sv1; |
| assert ( sv1.size() == 0 ); |
| assert ( sv1.empty()); |
| } |
| } |
| |
| int main () { |
| typedef std::string_view string_view; |
| typedef std::u16string_view u16string_view; |
| typedef std::u32string_view u32string_view; |
| typedef std::wstring_view wstring_view; |
| |
| test<string_view> (); |
| test<u16string_view> (); |
| test<u32string_view> (); |
| test<wstring_view> (); |
| |
| } |