diff options
Diffstat (limited to 'tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp')
| -rw-r--r-- | tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp | 224 |
1 files changed, 219 insertions, 5 deletions
diff --git a/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp b/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp index 90609eb998..772b3f827f 100644 --- a/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp +++ b/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp @@ -1,7 +1,7 @@ // Copyright (C) 2021 The Qt Company Ltd. // Copyright (C) 2022 Intel Corporation. // Copyright (C) 2021 Klarälvdalens Datakonsult AB. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #define QT_SHAREDPOINTER_TRACK_POINTERS #include "qsharedpointer.h" @@ -59,6 +59,7 @@ private slots: void objectCastStdSharedPtr(); void differentPointers(); void virtualBaseDifferentPointers(); + void virtualBaseWeakPointerConversions(); #ifndef QTEST_NO_RTTI void dynamicCast(); void dynamicCastDifferentPointers(); @@ -91,6 +92,7 @@ private slots: void invalidConstructs_data(); void invalidConstructs(); #endif + void ownerComparisons(); // let invalidConstructs be the last test, because it's the slowest; // add new tests above this block @@ -1275,6 +1277,83 @@ void tst_QSharedPointer::virtualBaseDifferentPointers() QVERIFY(baseptr == aBase); } safetyCheck(); + { + VirtualDerived *aData = new VirtualDerived; + + QSharedPointer<VirtualDerived> ptr = QSharedPointer<VirtualDerived>(aData); + QWeakPointer<VirtualDerived> wptr = ptr; + + ptr.reset(); + QVERIFY(wptr.toStrongRef().isNull()); + + QWeakPointer<Data> wptr2 = wptr; + QVERIFY(wptr2.toStrongRef().isNull()); + + QWeakPointer<Data> wptr3 = std::move(wptr); + QVERIFY(wptr3.toStrongRef().isNull()); + } + safetyCheck(); +} + +void tst_QSharedPointer::virtualBaseWeakPointerConversions() +{ + struct Base { virtual ~Base() = default; }; + struct Derived : virtual Base {}; + + { + QSharedPointer<Derived> d(new Derived); + QSharedPointer<const Base> cb = d; + QCOMPARE(cb, d); + QCOMPARE(cb.get(), d.get()); + } + safetyCheck(); + + { + QSharedPointer<Derived> d(new Derived); + QWeakPointer<const Base> wcb = d; + QCOMPARE(wcb, d); + QCOMPARE(wcb.lock().get(), d.get()); + } + safetyCheck(); + + { + QSharedPointer<Derived> d(new Derived); + QWeakPointer<Derived> wd = d; + QCOMPARE(wd, d); + QCOMPARE(wd.lock().get(), d.get()); + QWeakPointer<const Base> wcb = wd; + QCOMPARE(wcb, wd); + QCOMPARE(wcb.lock().get(), d.get()); + } + safetyCheck(); + + { + auto raw = new Derived; + QSharedPointer<Derived> d(raw); + QSharedPointer<const Base> cb = std::move(d); + QCOMPARE(d, nullptr); + QCOMPARE(cb.get(), raw); + } + safetyCheck(); + + { + QSharedPointer<Derived> d(new Derived); + QWeakPointer<const Base> wcb = std::move(d); + QCOMPARE(wcb, d); + QCOMPARE(wcb.lock().get(), d.get()); + } + safetyCheck(); + + { + QSharedPointer<Derived> d(new Derived); + QWeakPointer<Derived> wd = std::move(d); + QCOMPARE(wd, d); + QCOMPARE(wd.lock().get(), d.get()); + QWeakPointer<const Base> wcb = std::move(wd); + QCOMPARE(wd, nullptr); + QCOMPARE(wcb.lock().get(), d.get()); + } + safetyCheck(); } #ifndef QTEST_NO_RTTI @@ -1982,7 +2061,7 @@ class StrongThread: public QThread protected: void run() override { - usleep(QRandomGenerator::global()->bounded(2000)); + sleep(std::chrono::microseconds{QRandomGenerator::global()->bounded(2000)}); ptr->ref(); ptr.clear(); } @@ -1995,7 +2074,7 @@ class WeakThread: public QThread protected: void run() override { - usleep(QRandomGenerator::global()->bounded(2000)); + sleep(std::chrono::microseconds{QRandomGenerator::global()->bounded(2000)}); QSharedPointer<ThreadData> ptr = weak; if (ptr) ptr->ref(); @@ -2058,11 +2137,11 @@ void tst_QSharedPointer::threadStressTest() base.clear(); // start threads - for (int i = 0; i < allThreads.count(); ++i) + for (int i = 0; i < allThreads.size(); ++i) if (allThreads[i]) allThreads[i]->start(); // wait for them to finish - for (int i = 0; i < allThreads.count(); ++i) + for (int i = 0; i < allThreads.size(); ++i) if (allThreads[i]) allThreads[i]->wait(); qDeleteAll(allThreads); @@ -2825,5 +2904,140 @@ void tst_QSharedPointer::overloads() weakOverloaded.test(); } +void tst_QSharedPointer::ownerComparisons() +{ + using SP = QSharedPointer<int>; + using WP = QWeakPointer<int>; + +#define CHECK_EQ(a, b) \ + do { \ + QVERIFY(a.owner_equal(b)); \ + QVERIFY(b.owner_equal(a)); \ + QVERIFY(!a.owner_before(b)); \ + QVERIFY(!b.owner_before(a)); \ + QVERIFY(a.owner_hash() == b.owner_hash()); \ + } while (false) + +#define CHECK_NOT_EQ(a, b) \ + do { \ + QVERIFY(!a.owner_equal(b)); \ + QVERIFY(!b.owner_equal(a)); \ + QVERIFY(a.owner_before(b) || b.owner_before(a)); \ + } while (false) + + // null + { + SP sp1; + SP sp2; + WP wp1 = sp1; + WP wp2; + + CHECK_EQ(sp1, sp1); + CHECK_EQ(sp1, sp2); + CHECK_EQ(sp1, wp1); + CHECK_EQ(sp2, wp2); + CHECK_EQ(wp1, wp1); + CHECK_EQ(wp1, wp2); + CHECK_EQ(wp2, wp2); + } + + // same owner + { + SP sp1 = SP::create(123); + SP sp2 = sp1; + WP wp1 = sp1; + SP wp2 = sp2; + + CHECK_EQ(sp1, sp1); + CHECK_EQ(sp1, sp2); + CHECK_EQ(sp1, wp1); + CHECK_EQ(sp2, wp2); + CHECK_EQ(wp1, wp1); + CHECK_EQ(wp1, wp2); + } + + // owning vs null + { + SP sp1 = SP::create(123); + SP sp2; + WP wp1 = sp1; + WP wp2 = sp2; + + CHECK_EQ(sp1, sp1); + CHECK_NOT_EQ(sp1, sp2); + CHECK_EQ(sp1, wp1); + CHECK_EQ(sp2, wp2); + CHECK_EQ(wp1, wp1); + CHECK_NOT_EQ(wp1, wp2); + } + + // different owners + { + SP sp1 = SP::create(123); + SP sp2 = SP::create(456); + WP wp1 = sp1; + WP wp2 = sp2; + + CHECK_EQ(sp1, sp1); + CHECK_NOT_EQ(sp1, sp2); + CHECK_EQ(sp1, wp1); + CHECK_EQ(sp2, wp2); + CHECK_EQ(wp1, wp1); + CHECK_NOT_EQ(wp1, wp2); + } + + // reset vs. null + { + SP sp1 = SP::create(123); + SP sp2; + WP wp1 = sp1; + WP wp2; + + CHECK_EQ(sp1, sp1); + CHECK_NOT_EQ(sp1, sp2); + CHECK_EQ(sp1, wp1); + CHECK_NOT_EQ(sp1, wp2); + CHECK_EQ(wp1, wp1); + CHECK_NOT_EQ(wp1, wp2); + + sp1.reset(); + + CHECK_EQ(sp1, sp1); + CHECK_EQ(sp1, sp2); + CHECK_NOT_EQ(sp1, wp1); + CHECK_EQ(sp2, wp2); + CHECK_EQ(wp1, wp1); + CHECK_NOT_EQ(wp1, wp2); + } + + // expired weak pointers + { + WP wp1 = SP::create(123); + WP wp2; + + CHECK_EQ(wp1, wp1); + CHECK_NOT_EQ(wp1, wp2); + } + + { + WP wp1 = SP::create(123); + WP wp2 = wp1; + + CHECK_EQ(wp1, wp1); + CHECK_EQ(wp1, wp2); + } + + { + WP wp1 = SP::create(123); + WP wp2 = SP::create(456); + + CHECK_EQ(wp1, wp1); + CHECK_EQ(wp2, wp2); + CHECK_NOT_EQ(wp1, wp2); + } +#undef CHECK_EQ +#undef CHECK_NOT_EQ +} + QTEST_MAIN(tst_QSharedPointer) #include "tst_qsharedpointer.moc" |