diff options
Diffstat (limited to 'tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp')
-rw-r--r-- | tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp b/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp index 8c76e6b440..1d466a4734 100644 --- a/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp +++ b/tests/auto/corelib/tools/qsharedpointer/tst_qsharedpointer.cpp @@ -74,6 +74,7 @@ private slots: void useOfForwardDeclared(); void memoryManagement(); void dropLastReferenceOfForwardDeclared(); + void lock(); void downCast(); void functionCallDownCast(); void upCast(); @@ -494,6 +495,22 @@ void tst_QSharedPointer::dropLastReferenceOfForwardDeclared() QCOMPARE(forwardDeclaredDestructorRunCount, 1); } +void tst_QSharedPointer::lock() +{ + QSharedPointer<int> sp = QSharedPointer<int>::create(); + QVERIFY(sp); + QWeakPointer<int> wp = sp; + QVERIFY(sp == wp); + QVERIFY(sp == wp.lock()); + QVERIFY(sp == wp.toStrongRef()); + + sp.reset(); + QVERIFY(!wp); + QVERIFY(sp != wp); // this is why op(shared_ptr, weak_ptr) is a bad idea (apart from MT races)... + QVERIFY(sp == wp.lock()); + QVERIFY(sp == wp.toStrongRef()); +} + class DerivedData: public Data { public: @@ -866,6 +883,7 @@ void tst_QSharedPointer::objectCast() ptr.clear(); QVERIFY(ptr.isNull()); QVERIFY(weakptr.toStrongRef().isNull()); + QVERIFY(weakptr.lock().isNull()); // verify that the object casts fail without crash QSharedPointer<OtherObject> otherptr = qSharedPointerObjectCast<OtherObject>(weakptr); |