a40bada91a
This applies clang-format to the std::string unit tests in preparation for landing https://reviews.llvm.org/D140550. Differential Revision: https://reviews.llvm.org/D140612
45 lines
1.3 KiB
C++
45 lines
1.3 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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// <string>
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// basic_string() noexcept(is_nothrow_default_constructible<allocator_type>::value); // constexpr since C++20
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#include <cassert>
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#include <string>
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#include "test_macros.h"
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#include "test_allocator.h"
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#if TEST_STD_VER >= 11
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// Test the noexcept specification, which is a conforming extension
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LIBCPP_STATIC_ASSERT(std::is_nothrow_default_constructible<std::string>::value, "");
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LIBCPP_STATIC_ASSERT(std::is_nothrow_default_constructible<
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std::basic_string<char, std::char_traits<char>, test_allocator<char>>>::value,
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"");
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LIBCPP_STATIC_ASSERT(!std::is_nothrow_default_constructible<
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std::basic_string<char, std::char_traits<char>, limited_allocator<char, 10>>>::value,
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"");
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#endif
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TEST_CONSTEXPR_CXX20 bool test() {
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std::string str;
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assert(str.empty());
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return true;
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}
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int main(int, char**) {
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test();
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#if TEST_STD_VER > 17
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static_assert(test());
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#endif
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return 0;
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}
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