diff options
Diffstat (limited to 'tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp')
| -rw-r--r-- | tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp | 131 |
1 files changed, 104 insertions, 27 deletions
diff --git a/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp b/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp index 6f9a422820..7365fee819 100644 --- a/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp +++ b/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp @@ -1,30 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include <QTest> #include <QRunnable> @@ -44,6 +19,8 @@ public: private slots: void constructors(); + void ctad(); + void conversion(); void destructor(); void assignment_operators(); void equality_operators(); @@ -59,14 +36,114 @@ private slots: void constQPointer(); }; +// check that nullptr QPointer construction is Q_CONSTINIT: +[[maybe_unused]] Q_CONSTINIT static QPointer<QFile> s_file1; +[[maybe_unused]] Q_CONSTINIT static QPointer<QFile> s_file2 = {}; +[[maybe_unused]] Q_CONSTINIT static QPointer<QFile> s_file3 = nullptr; +[[maybe_unused]] Q_CONSTINIT static QPointer<QFile> s_file4 = 0; // legacy nullptr + void tst_QPointer::constructors() { + struct Derived : QObject {}; + Derived derived; + QPointer<QObject> p1; QPointer<QObject> p2(this); QPointer<QObject> p3(p2); + QPointer<QObject> p4 = &derived; QCOMPARE(p1, QPointer<QObject>(0)); QCOMPARE(p2, QPointer<QObject>(this)); QCOMPARE(p3, QPointer<QObject>(this)); + QCOMPARE(p4, &derived); +} + +void tst_QPointer::ctad() +{ + + { + QObject o; + QPointer po = &o; + static_assert(std::is_same_v<decltype(po), QPointer<QObject>>); + QPointer poc = po; + static_assert(std::is_same_v<decltype(poc), QPointer<QObject>>); + QPointer pom = std::move(po); + static_assert(std::is_same_v<decltype(pom), QPointer<QObject>>); + } + { + const QObject co; + QPointer pco = &co; + static_assert(std::is_same_v<decltype(pco), QPointer<const QObject>>); + QPointer pcoc = pco; + static_assert(std::is_same_v<decltype(pcoc), QPointer<const QObject>>); + QPointer pcom = std::move(pco); + static_assert(std::is_same_v<decltype(pcom), QPointer<const QObject>>); + } + { + QFile f; + QPointer pf = &f; + static_assert(std::is_same_v<decltype(pf), QPointer<QFile>>); + QPointer pfc = pf; + static_assert(std::is_same_v<decltype(pfc), QPointer<QFile>>); + QPointer pfm = std::move(pf); + static_assert(std::is_same_v<decltype(pfm), QPointer<QFile>>); + } + { + const QFile cf; + QPointer pcf = &cf; + static_assert(std::is_same_v<decltype(pcf), QPointer<const QFile>>); + QPointer pcfc = pcf; + static_assert(std::is_same_v<decltype(pcfc), QPointer<const QFile>>); + QPointer pcfm = std::move(pcf); + static_assert(std::is_same_v<decltype(pcfm), QPointer<const QFile>>); + } +} + +void tst_QPointer::conversion() +{ + // copy-conversion: + { + QFile file; + QPointer<QFile> pf = &file; + QCOMPARE_EQ(pf, &file); + QPointer<const QIODevice> pio = pf; + QCOMPARE_EQ(pio, &file); + QCOMPARE_EQ(pio.get(), &file); + QCOMPARE_EQ(pio, pf); + QCOMPARE_EQ(pio.get(), pf.get()); + + // reset + pio = nullptr; + QCOMPARE_EQ(pio, nullptr); + QCOMPARE_EQ(pio.get(), nullptr); + + // copy-assignment + QCOMPARE_EQ(pf, &file); + pio = pf; + QCOMPARE_EQ(pio, &file); + QCOMPARE_EQ(pio.get(), &file); + QCOMPARE_EQ(pio, pf); + QCOMPARE_EQ(pio.get(), pf.get()); + } + // move-conversion: + { + QFile file; + QPointer<QFile> pf = &file; + QCOMPARE_EQ(pf, &file); + QPointer<const QIODevice> pio = std::move(pf); + QCOMPARE_EQ(pf, nullptr); + QCOMPARE_EQ(pio, &file); + QCOMPARE_EQ(pio.get(), &file); + + // reset + pio = nullptr; + QCOMPARE_EQ(pio, nullptr); + QCOMPARE_EQ(pio.get(), nullptr); + + // move-assignment + pio = QPointer<QFile>(&file); + QCOMPARE_EQ(pio, &file); + QCOMPARE_EQ(pio.get(), &file); + } } void tst_QPointer::destructor() |