libcxx/test/std/strings/string.view/string.view.template/contains.char.pass.cpp


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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_view>

//   constexpr bool contains(charT x) const noexcept;

#include <string_view>
#include <cassert>

#include "test_macros.h"

constexpr bool test() {
  using SV = std::string_view;

  SV sv1{};
  SV sv2{"abcde", 5};

  ASSERT_NOEXCEPT(sv1.contains('e'));

  assert(!sv1.contains('c'));
  assert(!sv1.contains('e'));
  assert(!sv1.contains('x'));
  assert(sv2.contains('c'));
  assert(sv2.contains('e'));
  assert(!sv2.contains('x'));

  return true;
}

int main(int, char**) {
  test();
  static_assert(test());

  return 0;
}