зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.6 KiB
C++
46 строки
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <type_traits>
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#include "mozilla/Assertions.h"
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#include "mozilla/TypeTraits.h"
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using mozilla::IsDestructible;
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class PublicDestructible {
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public:
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~PublicDestructible();
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};
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class PrivateDestructible {
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private:
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~PrivateDestructible();
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};
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class TrivialDestructible {};
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static_assert(IsDestructible<PublicDestructible>::value,
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"public destructible class is destructible");
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static_assert(!IsDestructible<PrivateDestructible>::value,
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"private destructible class is not destructible");
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static_assert(IsDestructible<TrivialDestructible>::value,
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"trivial destructible class is destructible");
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/*
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* Android's broken [u]intptr_t inttype macros are broken because its PRI*PTR
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* macros are defined as "ld", but sizeof(long) is 8 and sizeof(intptr_t)
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* is 4 on 32-bit Android. We redefine Android's PRI*PTR macros in
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* IntegerPrintfMacros.h and assert here that our new definitions match the
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* actual type sizes seen at compile time.
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*/
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#if defined(ANDROID) && !defined(__LP64__)
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static_assert(std::is_same_v<int, intptr_t>,
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"emulated PRI[di]PTR definitions will be wrong");
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static_assert(std::is_same_v<unsigned int, uintptr_t>,
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"emulated PRI[ouxX]PTR definitions will be wrong");
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#endif
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int main() { return 0; }
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