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106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// <string_view>
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// constexpr bool ends_with(string_view x) const noexcept;
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#include <string_view>
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#include <cassert>
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#include "test_macros.h"
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#include "constexpr_char_traits.hpp"
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int main(int, char**)
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{
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{
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typedef std::string_view SV;
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const char *s = "abcde";
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SV sv0;
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SV sv1 { s + 4, 1 };
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SV sv2 { s + 3, 2 };
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SV sv3 { s + 2, 3 };
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SV sv4 { s + 1, 4 };
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SV sv5 { s , 5 };
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SV svNot {"def", 3 };
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ASSERT_NOEXCEPT(sv0.ends_with(sv0));
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assert ( sv0.ends_with(sv0));
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assert (!sv0.ends_with(sv1));
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assert ( sv1.ends_with(sv0));
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assert ( sv1.ends_with(sv1));
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assert (!sv1.ends_with(sv2));
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assert (!sv1.ends_with(sv3));
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assert (!sv1.ends_with(sv4));
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assert (!sv1.ends_with(sv5));
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assert (!sv1.ends_with(svNot));
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assert ( sv2.ends_with(sv0));
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assert ( sv2.ends_with(sv1));
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assert ( sv2.ends_with(sv2));
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assert (!sv2.ends_with(sv3));
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assert (!sv2.ends_with(sv4));
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assert (!sv2.ends_with(sv5));
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assert (!sv2.ends_with(svNot));
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assert ( svNot.ends_with(sv0));
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assert (!svNot.ends_with(sv1));
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assert (!svNot.ends_with(sv2));
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assert (!svNot.ends_with(sv3));
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assert (!svNot.ends_with(sv4));
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assert (!svNot.ends_with(sv5));
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assert ( svNot.ends_with(svNot));
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}
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#if TEST_STD_VER > 11
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{
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typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
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constexpr const char *s = "abcde";
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constexpr SV sv0 {};
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constexpr SV sv1 { s + 4, 1 };
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constexpr SV sv2 { s + 3, 2 };
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constexpr SV sv3 { s + 2, 3 };
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constexpr SV sv4 { s + 1, 4 };
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constexpr SV sv5 { s, 5 };
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constexpr SV svNot {"def", 3 };
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static_assert ( sv0.ends_with(sv0), "" );
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static_assert (!sv0.ends_with(sv1), "" );
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static_assert ( sv1.ends_with(sv0), "" );
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static_assert ( sv1.ends_with(sv1), "" );
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static_assert (!sv1.ends_with(sv2), "" );
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static_assert (!sv1.ends_with(sv3), "" );
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static_assert (!sv1.ends_with(sv4), "" );
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static_assert (!sv1.ends_with(sv5), "" );
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static_assert (!sv1.ends_with(svNot), "" );
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static_assert ( sv2.ends_with(sv0), "" );
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static_assert ( sv2.ends_with(sv1), "" );
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static_assert ( sv2.ends_with(sv2), "" );
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static_assert (!sv2.ends_with(sv3), "" );
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static_assert (!sv2.ends_with(sv4), "" );
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static_assert (!sv2.ends_with(sv5), "" );
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static_assert (!sv2.ends_with(svNot), "" );
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static_assert ( svNot.ends_with(sv0), "" );
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static_assert (!svNot.ends_with(sv1), "" );
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static_assert (!svNot.ends_with(sv2), "" );
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static_assert (!svNot.ends_with(sv3), "" );
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static_assert (!svNot.ends_with(sv4), "" );
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static_assert (!svNot.ends_with(sv5), "" );
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static_assert ( svNot.ends_with(svNot), "" );
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}
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#endif
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return 0;
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}
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