| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | // UNSUPPORTED: no-localization |
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| 11 | // UNSUPPORTED: libcpp-has-no-experimental-syncstream |
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| 12 | |
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| 13 | // <syncstream> |
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| 14 | |
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| 15 | // template <class charT, class traits, class Allocator> |
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| 16 | // class basic_syncbuf; |
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| 17 | |
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| 18 | // streambuf_type* get_wrapped() const noexcept; |
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| 19 | |
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| 20 | #include <syncstream> |
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| 21 | #include <concepts> |
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| 22 | #include <cassert> |
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| 23 | |
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| 24 | #include "../helpers.h" |
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| 25 | #include "test_macros.h" |
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| 26 | |
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| 27 | template <class T> |
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| 28 | void test() { |
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| 29 | test_buf<T> base(42); |
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| 30 | const std::allocator<T> alloc; |
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| 31 | const test_syncbuf<T> buff(&base, alloc); |
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| 32 | std::same_as<std::basic_streambuf<T>*> auto wrapped = buff.get_wrapped(); |
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| 33 | assert(static_cast<test_buf<T>*>(wrapped)->id == 42); |
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| 34 | ASSERT_NOEXCEPT(buff.get_wrapped()); |
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| 35 | } |
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| 36 | |
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| 37 | int main(int, char**) { |
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| 38 | test<char>(); |
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| 39 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
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| 40 | test<wchar_t>(); |
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| 41 | #endif |
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| 42 | |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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