45 lines
960 B
C++
45 lines
960 B
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(charT 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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S s1 {};
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S s2 {"abcde", 5};
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ASSERT_NOEXCEPT(s1.contains('e'));
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assert(!s1.contains('c'));
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assert(!s1.contains('e'));
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assert(!s1.contains('x'));
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assert( s2.contains('c'));
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assert( s2.contains('e'));
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assert(!s2.contains('x'));
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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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