1// Copyright (C) 2023 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include <QtCore/qfunctionaltools_impl.h>
5
6// Remove this file once we have tests that implicitly test all aspects of
7// CompactStorage
8
9QT_BEGIN_NAMESPACE
10
11namespace QtPrivate {
12
13#define FOR_EACH_CVREF(op) \
14 op(&) \
15 op(const &) \
16 op(&&) \
17 op(const &&) \
18 /* end */
19
20namespace _testing {
21 struct empty {};
22 struct final final {};
23 static_assert(std::is_same_v<CompactStorage<empty>,
24 detail::StorageEmptyBaseClassOptimization<empty>>);
25 static_assert(std::is_same_v<CompactStorage<final>,
26 detail::StorageByValue<final>>);
27 static_assert(std::is_same_v<CompactStorage<int>,
28 detail::StorageByValue<int>>);
29#define CHECK1(Obj, cvref) \
30 static_assert(std::is_same_v<decltype(std::declval<CompactStorage< Obj > cvref>().object()), \
31 Obj cvref>);
32#define CHECK(cvref) \
33 CHECK1(empty, cvref) \
34 CHECK1(final, cvref) \
35 CHECK1(int, cvref) \
36 /* end */
37
38 FOR_EACH_CVREF(CHECK)
39#undef CHECK
40#undef CHECK1
41} // namespace _testing
42
43} // namespace QtPrivate
44
45#undef FOR_EACH_CVREF
46
47QT_END_NAMESPACE
48

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source code of qtbase/src/corelib/tools/qfunctionaltools_impl.cpp