qfunctionaltools_impl.cpp

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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include <QtCore/qfunctionaltools_impl.h>
 
// Remove this file once we have tests that implicitly test all aspects of
// CompactStorage
 
QT_BEGIN_NAMESPACE
 
namespace QtPrivate {
 
#define FOR_EACH_CVREF(op) \
    op(&) \
    op(const &) \
    op(&&) \
    op(const &&) \
    /* end */
 
namespace _testing {
    struct empty {};
    struct final final {};
    static_assert(std::is_same_v<CompactStorage<empty>,
                                 detail::StorageEmptyBaseClassOptimization<empty>>);
    static_assert(std::is_same_v<CompactStorage<final>,
                                 detail::StorageByValue<final>>);
    static_assert(std::is_same_v<CompactStorage<int>,
                                 detail::StorageByValue<int>>);
#define CHECK1(Obj, cvref) \
    static_assert(std::is_same_v<decltype(std::declval<CompactStorage< Obj > cvref>().object()), \
                                 Obj cvref>);
#define CHECK(cvref) \
    CHECK1(empty, cvref) \
    CHECK1(final, cvref) \
    CHECK1(int, cvref) \
    /* end */
 
    FOR_EACH_CVREF(CHECK)
#undef CHECK
#undef CHECK1
} // namespace _testing
 
} // namespace QtPrivate
 
#undef FOR_EACH_CVREF
 
QT_END_NAMESPACE