| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| |
| // <string_view> |
| |
| // constexpr bool ends_with(string_view x) const noexcept; |
| |
| #include <string_view> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "constexpr_char_traits.h" |
| |
| int main(int, char**) { |
| { |
| typedef std::string_view SV; |
| const char* s = "abcde"; |
| SV sv0; |
| SV sv1{s + 4, 1}; |
| SV sv2{s + 3, 2}; |
| SV sv3{s + 2, 3}; |
| SV sv4{s + 1, 4}; |
| SV sv5{s, 5}; |
| SV svNot{"def", 3}; |
| |
| ASSERT_NOEXCEPT(sv0.ends_with(sv0)); |
| |
| assert(sv0.ends_with(sv0)); |
| assert(!sv0.ends_with(sv1)); |
| |
| assert(sv1.ends_with(sv0)); |
| assert(sv1.ends_with(sv1)); |
| assert(!sv1.ends_with(sv2)); |
| assert(!sv1.ends_with(sv3)); |
| assert(!sv1.ends_with(sv4)); |
| assert(!sv1.ends_with(sv5)); |
| assert(!sv1.ends_with(svNot)); |
| |
| assert(sv2.ends_with(sv0)); |
| assert(sv2.ends_with(sv1)); |
| assert(sv2.ends_with(sv2)); |
| assert(!sv2.ends_with(sv3)); |
| assert(!sv2.ends_with(sv4)); |
| assert(!sv2.ends_with(sv5)); |
| assert(!sv2.ends_with(svNot)); |
| |
| assert(svNot.ends_with(sv0)); |
| assert(!svNot.ends_with(sv1)); |
| assert(!svNot.ends_with(sv2)); |
| assert(!svNot.ends_with(sv3)); |
| assert(!svNot.ends_with(sv4)); |
| assert(!svNot.ends_with(sv5)); |
| assert(svNot.ends_with(svNot)); |
| } |
| |
| #if TEST_STD_VER > 11 |
| { |
| typedef std::basic_string_view<char, constexpr_char_traits<char>> SV; |
| constexpr const char* s = "abcde"; |
| constexpr SV sv0{}; |
| constexpr SV sv1{s + 4, 1}; |
| constexpr SV sv2{s + 3, 2}; |
| constexpr SV sv3{s + 2, 3}; |
| constexpr SV sv4{s + 1, 4}; |
| constexpr SV sv5{s, 5}; |
| constexpr SV svNot{"def", 3}; |
| |
| static_assert(sv0.ends_with(sv0), ""); |
| static_assert(!sv0.ends_with(sv1), ""); |
| |
| static_assert(sv1.ends_with(sv0), ""); |
| static_assert(sv1.ends_with(sv1), ""); |
| static_assert(!sv1.ends_with(sv2), ""); |
| static_assert(!sv1.ends_with(sv3), ""); |
| static_assert(!sv1.ends_with(sv4), ""); |
| static_assert(!sv1.ends_with(sv5), ""); |
| static_assert(!sv1.ends_with(svNot), ""); |
| |
| static_assert(sv2.ends_with(sv0), ""); |
| static_assert(sv2.ends_with(sv1), ""); |
| static_assert(sv2.ends_with(sv2), ""); |
| static_assert(!sv2.ends_with(sv3), ""); |
| static_assert(!sv2.ends_with(sv4), ""); |
| static_assert(!sv2.ends_with(sv5), ""); |
| static_assert(!sv2.ends_with(svNot), ""); |
| |
| static_assert(svNot.ends_with(sv0), ""); |
| static_assert(!svNot.ends_with(sv1), ""); |
| static_assert(!svNot.ends_with(sv2), ""); |
| static_assert(!svNot.ends_with(sv3), ""); |
| static_assert(!svNot.ends_with(sv4), ""); |
| static_assert(!svNot.ends_with(sv5), ""); |
| static_assert(svNot.ends_with(svNot), ""); |
| } |
| #endif |
| |
| return 0; |
| } |