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907c1196a7
Libc++ is used as a system library on macOS and iOS (amongst others). In order for users to be able to compile a binary that is intended to be deployed to an older version of the platform, clang provides the availability attribute <https://clang.llvm.org/docs/AttributeReference.html#availability>_ that can be placed on declarations to describe the lifecycle of a symbol in the library. See docs/DesignDocs/AvailabilityMarkup.rst for more information. Differential Revision: https://reviews.llvm.org/D31739 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@302172 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// XFAIL: with_system_cxx_lib=macosx10.12
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// XFAIL: with_system_cxx_lib=macosx10.11
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// XFAIL: with_system_cxx_lib=macosx10.10
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// XFAIL: with_system_cxx_lib=macosx10.9
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// XFAIL: with_system_cxx_lib=macosx10.7
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// XFAIL: with_system_cxx_lib=macosx10.8
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// <any>
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// any::reset() noexcept
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#include <any>
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#include <cassert>
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#include "any_helpers.h"
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int main()
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{
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using std::any;
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using std::any_cast;
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// empty
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{
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any a;
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// noexcept check
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static_assert(
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noexcept(a.reset())
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, "any.reset() must be noexcept"
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);
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assertEmpty(a);
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a.reset();
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assertEmpty(a);
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}
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// small object
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{
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any a((small(1)));
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assert(small::count == 1);
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assertContains<small>(a, 1);
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a.reset();
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assertEmpty<small>(a);
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assert(small::count == 0);
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}
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// large object
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{
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any a(large(1));
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assert(large::count == 1);
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assertContains<large>(a, 1);
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a.reset();
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assertEmpty<large>(a);
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assert(large::count == 0);
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}
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}
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