diff options
3 files changed, 21 insertions, 1 deletions
diff --git a/src/scripttools/debugging/qscriptdebuggerbackend.cpp b/src/scripttools/debugging/qscriptdebuggerbackend.cpp index adc1410..63dcf75 100644 --- a/src/scripttools/debugging/qscriptdebuggerbackend.cpp +++ b/src/scripttools/debugging/qscriptdebuggerbackend.cpp @@ -154,6 +154,7 @@ void QScriptDebuggerBackendPrivate::postEvent(QEvent *e) { if (!eventReceiver) { eventReceiver = new QScriptDebuggerBackendEventReceiver(this); + Q_ASSERT(agent != 0); eventReceiver->moveToThread(agent->engine()->thread()); } QCoreApplication::postEvent(eventReceiver, e); diff --git a/src/scripttools/debugging/qscriptenginedebuggerfrontend.cpp b/src/scripttools/debugging/qscriptenginedebuggerfrontend.cpp index 8b08e4c..d1b881c 100644 --- a/src/scripttools/debugging/qscriptenginedebuggerfrontend.cpp +++ b/src/scripttools/debugging/qscriptenginedebuggerfrontend.cpp @@ -201,7 +201,8 @@ QScriptEngineDebuggerBackend::~QScriptEngineDebuggerBackend() void QScriptEngineDebuggerBackend::processCommand(int id, const QScriptDebuggerCommand &command) { Q_D(QScriptEngineDebuggerBackend); - d->postEvent(new QScriptDebuggerCommandEvent(id, command)); + if (d->agent) + d->postEvent(new QScriptDebuggerCommandEvent(id, command)); } /*! diff --git a/tests/auto/qscriptenginedebugger/tst_qscriptenginedebugger.cpp b/tests/auto/qscriptenginedebugger/tst_qscriptenginedebugger.cpp index 52d1503..0690874 100644 --- a/tests/auto/qscriptenginedebugger/tst_qscriptenginedebugger.cpp +++ b/tests/auto/qscriptenginedebugger/tst_qscriptenginedebugger.cpp @@ -82,6 +82,7 @@ private slots: void multithreadedDebugging(); void autoShowStandardWindow(); void standardWindowOwnership(); + void engineDeleted(); }; tst_QScriptEngineDebugger::tst_QScriptEngineDebugger() @@ -832,5 +833,22 @@ void tst_QScriptEngineDebugger::standardWindowOwnership() QVERIFY(win != 0); } +void tst_QScriptEngineDebugger::engineDeleted() +{ + QScriptEngine* engine = new QScriptEngine; + QScriptEngineDebugger *debugger = new QScriptEngineDebugger; + debugger->attachTo(engine); + + debugger->standardWindow()->show(); + QTest::qWaitForWindowShown(debugger->standardWindow()); + + QSignalSpy destroyedSpy(engine, SIGNAL(destroyed())); + engine->deleteLater(); + QTRY_COMPARE(destroyedSpy.count(), 1); + + // Shouldn't crash (QTBUG-21548) + debugger->action(QScriptEngineDebugger::ContinueAction)->trigger(); +} + QTEST_MAIN(tst_QScriptEngineDebugger) #include "tst_qscriptenginedebugger.moc" |