45 lines
991 B
C++
45 lines
991 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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"
|
|
|
|
template <class S>
|
|
constexpr void test_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'));
|
|
}
|
|
|
|
constexpr bool test() {
|
|
test_string<std::string>();
|
|
|
|
return true;
|
|
}
|
|
|
|
int main(int, char**) {
|
|
test();
|
|
static_assert(test());
|
|
|
|
return 0;
|
|
}
|