96 lines
2.3 KiB
C++
96 lines
2.3 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++03, c++11, c++14, c++17, c++20
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// <string>
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// constexpr bool contains(basic_string_view x) const noexcept;
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#include <string>
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#include <cassert>
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#include "test_macros.h"
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constexpr bool test()
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{
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using S = std::string;
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using SV = std::string_view;
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const char* s = "abcde";
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S s0;
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S s1 {s + 1, 1};
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S s3 {s + 1, 3};
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S s5 {s , 5};
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S sNot {"xyz", 3};
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SV sv0;
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SV sv1 {s + 1, 1};
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SV sv2 {s + 1, 2};
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SV sv3 {s + 1, 3};
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SV sv4 {s + 1, 4};
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SV sv5 {s , 5};
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SV svNot {"xyz", 3};
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SV svNot2 {"bd" , 2};
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SV svNot3 {"dcb", 3};
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ASSERT_NOEXCEPT(s0.contains(sv0));
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assert( s0.contains(sv0));
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assert(!s0.contains(sv1));
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assert( s1.contains(sv0));
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assert( s1.contains(sv1));
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assert(!s1.contains(sv2));
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assert(!s1.contains(sv3));
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assert(!s1.contains(sv4));
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assert(!s1.contains(sv5));
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assert(!s1.contains(svNot));
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assert(!s1.contains(svNot2));
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assert(!s1.contains(svNot3));
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assert( s3.contains(sv0));
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assert( s3.contains(sv1));
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assert( s3.contains(sv2));
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assert( s3.contains(sv3));
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assert(!s3.contains(sv4));
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assert(!s3.contains(sv5));
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assert(!s3.contains(svNot));
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assert(!s3.contains(svNot2));
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assert(!s3.contains(svNot3));
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assert( s5.contains(sv0));
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assert( s5.contains(sv1));
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assert( s5.contains(sv2));
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assert( s5.contains(sv3));
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assert( s5.contains(sv4));
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assert( s5.contains(sv5));
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assert(!s5.contains(svNot));
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assert(!s5.contains(svNot2));
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assert(!s5.contains(svNot3));
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assert( sNot.contains(sv0));
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assert(!sNot.contains(sv1));
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assert(!sNot.contains(sv2));
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assert(!sNot.contains(sv3));
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assert(!sNot.contains(sv4));
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assert(!sNot.contains(sv5));
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assert( sNot.contains(svNot));
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assert(!sNot.contains(svNot2));
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assert(!sNot.contains(svNot3));
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return true;
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}
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int main(int, char**)
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{
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test();
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static_assert(test());
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return 0;
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}
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