| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| 10 | |
| 11 | // <string_view> |
| 12 | |
| 13 | // constexpr bool ends_with(charT x) const noexcept; |
| 14 | |
| 15 | #include <string_view> |
| 16 | #include <cassert> |
| 17 | |
| 18 | #include "test_macros.h" |
| 19 | #include "constexpr_char_traits.h" |
| 20 | |
| 21 | int main(int, char**) { |
| 22 | { |
| 23 | typedef std::string_view SV; |
| 24 | SV sv1{}; |
| 25 | SV sv2{"abcde" , 5}; |
| 26 | |
| 27 | ASSERT_NOEXCEPT(sv1.ends_with('e')); |
| 28 | |
| 29 | assert(!sv1.ends_with('e')); |
| 30 | assert(!sv1.ends_with('x')); |
| 31 | assert(sv2.ends_with('e')); |
| 32 | assert(!sv2.ends_with('x')); |
| 33 | } |
| 34 | |
| 35 | #if TEST_STD_VER > 11 |
| 36 | { |
| 37 | typedef std::basic_string_view<char, constexpr_char_traits<char>> SV; |
| 38 | constexpr SV sv1{}; |
| 39 | constexpr SV sv2{"abcde" , 5}; |
| 40 | static_assert(!sv1.ends_with('e'), "" ); |
| 41 | static_assert(!sv1.ends_with('x'), "" ); |
| 42 | static_assert(sv2.ends_with('e'), "" ); |
| 43 | static_assert(!sv2.ends_with('x'), "" ); |
| 44 | } |
| 45 | #endif |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |