| 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: no-threads |
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| 10 | // UNSUPPORTED: c++03, c++11 |
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| 11 | |
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| 12 | // Until we drop support for the synchronization library in C++11/14/17 |
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| 13 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS |
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| 14 | |
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| 15 | // <latch> |
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| 16 | |
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| 17 | // inline constexpr explicit latch(ptrdiff_t __expected); |
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| 18 | |
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| 19 | // Make sure that the ctor of latch is constexpr and explicit. |
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| 20 | |
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| 21 | #include <latch> |
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| 22 | |
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| 23 | #include "test_convertible.h" |
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| 24 | |
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| 25 | static_assert(!test_convertible<std::latch, std::ptrdiff_t>(), "This constructor must be explicit" ); |
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| 26 | |
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| 27 | constexpr bool test() { |
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| 28 | std::latch l(5); |
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| 29 | (void)l; |
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| 30 | return true; |
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| 31 | } |
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| 32 | |
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| 33 | int main(int, char**) { |
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| 34 | test(); |
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| 35 | static_assert(test(), "" ); |
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| 36 | |
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| 37 | return 0; |
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| 38 | } |
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| 39 | |
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