| //===----------------------------------------------------------------------===// |
| // |
| // 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(const CharT *x) const; |
| |
| #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 svNot{"def", 3}; |
| |
| LIBCPP_ASSERT_NOEXCEPT(sv0.ends_with("")); |
| |
| assert(sv0.ends_with("")); |
| assert(!sv0.ends_with("e")); |
| |
| assert(sv1.ends_with("")); |
| assert(sv1.ends_with("e")); |
| assert(!sv1.ends_with("de")); |
| assert(!sv1.ends_with("cde")); |
| assert(!sv1.ends_with("bcde")); |
| assert(!sv1.ends_with("abcde")); |
| assert(!sv1.ends_with("def")); |
| |
| assert(sv2.ends_with("")); |
| assert(sv2.ends_with("e")); |
| assert(sv2.ends_with("de")); |
| assert(!sv2.ends_with("cde")); |
| assert(!sv2.ends_with("bcde")); |
| assert(!sv2.ends_with("abcde")); |
| assert(!sv2.ends_with("def")); |
| |
| assert(svNot.ends_with("")); |
| assert(!svNot.ends_with("e")); |
| assert(!svNot.ends_with("de")); |
| assert(!svNot.ends_with("cde")); |
| assert(!svNot.ends_with("bcde")); |
| assert(!svNot.ends_with("abcde")); |
| assert(svNot.ends_with("def")); |
| } |
| |
| #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 svNot{"def", 3}; |
| |
| static_assert(sv0.ends_with(""), ""); |
| static_assert(!sv0.ends_with("e"), ""); |
| |
| static_assert(sv1.ends_with(""), ""); |
| static_assert(sv1.ends_with("e"), ""); |
| static_assert(!sv1.ends_with("de"), ""); |
| static_assert(!sv1.ends_with("cde"), ""); |
| static_assert(!sv1.ends_with("bcde"), ""); |
| static_assert(!sv1.ends_with("abcde"), ""); |
| static_assert(!sv1.ends_with("def"), ""); |
| |
| static_assert(sv2.ends_with(""), ""); |
| static_assert(sv2.ends_with("e"), ""); |
| static_assert(sv2.ends_with("de"), ""); |
| static_assert(!sv2.ends_with("cde"), ""); |
| static_assert(!sv2.ends_with("bcde"), ""); |
| static_assert(!sv2.ends_with("abcde"), ""); |
| static_assert(!sv2.ends_with("def"), ""); |
| |
| static_assert(svNot.ends_with(""), ""); |
| static_assert(!svNot.ends_with("e"), ""); |
| static_assert(!svNot.ends_with("de"), ""); |
| static_assert(!svNot.ends_with("cde"), ""); |
| static_assert(!svNot.ends_with("bcde"), ""); |
| static_assert(!svNot.ends_with("abcde"), ""); |
| static_assert(svNot.ends_with("def"), ""); |
| } |
| #endif |
| |
| return 0; |
| } |