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//===----------------------------------------------------------------------===//
//
// 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, c++20
// <string>
// constexpr bool contains(charT x) const noexcept;
#include <string>
#include <cassert>
#include "test_macros.h"
constexpr bool test()
{
using S = std::string;
S s1 {};
S s2 {"abcde", 5};
ASSERT_NOEXCEPT(s1.contains('e'));
assert(!s1.contains('c'));
assert(!s1.contains('e'));
assert(!s1.contains('x'));
assert( s2.contains('c'));
assert( s2.contains('e'));
assert(!s2.contains('x'));
return true;
}
int main(int, char**)
{
test();
static_assert(test());
return 0;
}
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