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Diffstat (limited to 'tests/auto/other/exceptionsafety_objects/tst_exceptionsafety_objects.cpp')
| -rw-r--r-- | tests/auto/other/exceptionsafety_objects/tst_exceptionsafety_objects.cpp | 803 |
1 files changed, 0 insertions, 803 deletions
diff --git a/tests/auto/other/exceptionsafety_objects/tst_exceptionsafety_objects.cpp b/tests/auto/other/exceptionsafety_objects/tst_exceptionsafety_objects.cpp deleted file mode 100644 index da715516d7..0000000000 --- a/tests/auto/other/exceptionsafety_objects/tst_exceptionsafety_objects.cpp +++ /dev/null @@ -1,803 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtGui/QtGui> -#include <QtWidgets/QtWidgets> -#include <QtTest/QtTest> - -#include <stddef.h> -#include <exception> - -QT_USE_NAMESPACE - -// this test only works with GLIBC - -#include "oomsimulator.h" -#include "3rdparty/memcheck.h" - -class tst_ExceptionSafety_Objects: public QObject -{ - Q_OBJECT - -public slots: - void initTestCase(); -#ifndef QT_NO_EXCEPTIONS - void cleanupTestCase(); - -private slots: - void objects_data(); - void objects(); - - void widgets_data(); - void widgets(); - - void vector_data(); - void vector(); - - void list_data(); - void list(); - - void linkedList_data(); - void linkedList(); - -private: - static QtMessageHandler testMessageHandler; - static void safeMessageHandler(QtMsgType, const QMessageLogContext&, const QString&); -#endif -}; - -#ifdef QT_NO_EXCEPTIONS -void tst_ExceptionSafety_Objects::initTestCase() -{ - QSKIP("This test requires exception support"); -} - -#else -// helper structs to create an arbitrary widget -struct AbstractTester -{ - virtual ~AbstractTester() {} - virtual void operator()(QObject *parent) = 0; -}; -Q_DECLARE_METATYPE(AbstractTester *) - -typedef void (*TestFunction)(QObject*); -Q_DECLARE_METATYPE(TestFunction) - -template <typename T> -struct ObjectCreator : public AbstractTester -{ - void operator()(QObject *) - { - QScopedPointer<T> ptr(new T); - } -}; - -struct BitArrayCreator : public AbstractTester -{ - void operator()(QObject *) - { QScopedPointer<QBitArray> bitArray(new QBitArray(100, true)); } -}; - -struct ByteArrayMatcherCreator : public AbstractTester -{ - void operator()(QObject *) - { QScopedPointer<QByteArrayMatcher> ptr(new QByteArrayMatcher("ralf test",8)); } -}; - -struct CryptographicHashCreator : public AbstractTester -{ - void operator()(QObject *) - { - QScopedPointer<QCryptographicHash> ptr(new QCryptographicHash(QCryptographicHash::Sha1)); - ptr->addData("ralf test",8); - } -}; - -struct DataStreamCreator : public AbstractTester -{ - void operator()(QObject *) - { - QScopedPointer<QByteArray> arr(new QByteArray("hallo, test")); - QScopedPointer<QDataStream> ptr(new QDataStream(arr.data(), QIODevice::ReadWrite)); - ptr->writeBytes("ralf test",8); - } -}; - -struct DirCreator : public AbstractTester -{ - void operator()(QObject *) - { - QDir::cleanPath("../////././"); - QScopedPointer<QDir> ptr(new QDir(".")); - while( ptr->cdUp() ) - ; // just going up - ptr->count(); - ptr->exists(ptr->path()); - - QStringList filters; - filters << "*.cpp" << "*.cxx" << "*.cc"; - ptr->setNameFilters(filters); - } -}; - -void tst_ExceptionSafety_Objects::objects_data() -{ - QTest::addColumn<AbstractTester *>("objectCreator"); - -#define NEWROW(T) QTest::newRow(#T) << static_cast<AbstractTester *>(new ObjectCreator<T >) - NEWROW(QObject); - NEWROW(QBuffer); - NEWROW(QFile); - NEWROW(QProcess); - NEWROW(QSettings); - NEWROW(QThread); - NEWROW(QThreadPool); - NEWROW(QTranslator); - -#define NEWROW2(T, CREATOR) QTest::newRow(#T) << static_cast<AbstractTester *>(new CREATOR) - NEWROW2(QBitArray, BitArrayCreator); - NEWROW2(QByteArrayMatcher, ByteArrayMatcherCreator); - NEWROW2(QCryptographicHash, CryptographicHashCreator); - NEWROW2(QDataStream, DataStreamCreator); - NEWROW2(QDir, DirCreator); -} - -// create and destructs an object, and lets each and every allocation -// during construction and destruction fail. -template <typename T> -static void doOOMTest(T &testFunc, QObject *parent, int start=0) -{ - int currentOOMIndex = start; - bool caught = false; - bool done = false; - - AllocFailer allocFailer(0); - int allocCountBefore = allocFailer.currentAllocIndex(); - - do { - allocFailer.reactivateAt(++currentOOMIndex); - - caught = false; - - try { - testFunc(parent); - } catch (const std::bad_alloc &) { - caught = true; - } catch (const std::exception &ex) { - if (strcmp(ex.what(), "autotest swallow") != 0) - throw; - caught = true; - } - - if (!caught) { - void *buf = malloc(42); - if (buf) { - // we got memory here - oom test is over. - free(buf); - done = true; - } - } - - // if we get a FAIL, stop executing now - if (QTest::currentTestFailed()) - done = true; - -//#define REALLY_VERBOSE -#ifdef REALLY_VERBOSE - fprintf(stderr, " OOM Index: %d\n", currentOOMIndex); -#endif - - - } while (caught || !done); - - allocFailer.deactivate(); - -//#define VERBOSE -#ifdef VERBOSE - fprintf(stderr, "OOM Test done, checked allocs: %d (range %d - %d)\n", currentOOMIndex, - allocCountBefore, allocFailer.currentAllocIndex()); -#else - Q_UNUSED(allocCountBefore); -#endif -} - -static int alloc1Failed = 0; -static int alloc2Failed = 0; -static int alloc3Failed = 0; -static int alloc4Failed = 0; -static int malloc1Failed = 0; -static int malloc2Failed = 0; - -// Tests that new, new[] and malloc() fail at least once during OOM testing. -class SelfTestObject : public QObject -{ -public: - SelfTestObject(QObject *parent = 0) - : QObject(parent) - { - try { delete new int; } catch (const std::bad_alloc &) { ++alloc1Failed; throw; } - try { delete [] new double[5]; } catch (const std::bad_alloc &) { ++alloc2Failed; throw ;} - void *buf = malloc(42); - if (buf) - free(buf); - else - ++malloc1Failed; - } - - ~SelfTestObject() - { - try { delete new int; } catch (const std::bad_alloc &) { ++alloc3Failed; } - try { delete [] new double[5]; } catch (const std::bad_alloc &) { ++alloc4Failed; } - void *buf = malloc(42); - if (buf) - free(buf); - else - ++malloc2Failed = true; - } -}; - -QtMessageHandler tst_ExceptionSafety_Objects::testMessageHandler; - -void tst_ExceptionSafety_Objects::safeMessageHandler(QtMsgType type, const QMessageLogContext &ctxt, - const QString &msg) -{ - // this temporarily suspends OOM testing while handling a message - int currentIndex = mallocFailIndex; - AllocFailer allocFailer(0); - allocFailer.deactivate(); - (*testMessageHandler)(type, ctxt, msg); - allocFailer.reactivateAt(currentIndex); -} - -typedef void (*PVF)(); -PVF defaultTerminate; -void debugTerminate() -{ - // you can detect uncaught exceptions with a breakpoint in here - (*defaultTerminate)(); -} - -PVF defaultUnexpected; -void debugUnexpected() -{ - // you can detect unexpected exceptions with a breakpoint in here - (*defaultUnexpected)(); -} - -void tst_ExceptionSafety_Objects::initTestCase() -{ - // set handlers for bad exception cases, you might want to step in and breakpoint the default handlers too - defaultTerminate = std::set_terminate(&debugTerminate); - defaultUnexpected = std::set_unexpected(&debugUnexpected); - testMessageHandler = qInstallMessageHandler(safeMessageHandler); - - QVERIFY(AllocFailer::initialize()); - - // sanity check whether OOM simulation works - AllocFailer allocFailer(0); - - // malloc fail index is 0 -> this malloc should fail. - void *buf = malloc(42); - allocFailer.deactivate(); - QVERIFY(!buf); - - // malloc fail index is 1 - second malloc should fail. - allocFailer.reactivateAt(1); - buf = malloc(42); - void *buf2 = malloc(42); - allocFailer.deactivate(); - - QVERIFY(buf); - free(buf); - QVERIFY(!buf2); - - ObjectCreator<SelfTestObject> *selfTest = new ObjectCreator<SelfTestObject>; - doOOMTest(*selfTest, 0); - delete selfTest; - QCOMPARE(alloc1Failed, 1); - QCOMPARE(alloc2Failed, 1); - QCOMPARE(alloc3Failed, 2); - QCOMPARE(alloc4Failed, 3); - QCOMPARE(malloc1Failed, 1); - QCOMPARE(malloc2Failed, 1); -} - -void tst_ExceptionSafety_Objects::cleanupTestCase() -{ - qInstallMessageHandler(testMessageHandler); -} - -void tst_ExceptionSafety_Objects::objects() -{ - QLatin1String tag = QLatin1String(QTest::currentDataTag()); - if (tag == QLatin1String("QFile") - || tag == QLatin1String("QProcess") - || tag == QLatin1String("QSettings") - || tag == QLatin1String("QThread") - || tag == QLatin1String("QThreadPool")) - QSKIP("This type of object is not currently strongly exception safe"); - - QFETCH(AbstractTester *, objectCreator); - - doOOMTest(*objectCreator, 0); - - delete objectCreator; -} - -template <typename T> -struct WidgetCreator : public AbstractTester -{ - void operator()(QObject *parent) - { - if (parent && !parent->isWidgetType()) - qFatal("%s: parent must be either null or a widget type", Q_FUNC_INFO); - QScopedPointer<T> ptr(parent ? new T(static_cast<QWidget *>(parent)) : new T); - } -}; - -// QSizeGrip doesn't have a default constructor - always pass parent (even though it might be 0) -template <> struct WidgetCreator<QSizeGrip> : public AbstractTester -{ - void operator()(QObject *parent) - { - if (parent && !parent->isWidgetType()) - qFatal("%s: parent must be either null or a widget type", Q_FUNC_INFO); - QScopedPointer<QSizeGrip> ptr(new QSizeGrip(static_cast<QWidget *>(parent))); - } -}; - -// QDesktopWidget doesn't need a parent. -template <> struct WidgetCreator<QDesktopWidget> : public AbstractTester -{ - void operator()(QObject *parent) - { - if (parent && !parent->isWidgetType()) - qFatal("%s: parent must be either null or a widget type", Q_FUNC_INFO); - QScopedPointer<QDesktopWidget> ptr(new QDesktopWidget()); - } -}; -void tst_ExceptionSafety_Objects::widgets_data() -{ - QTest::addColumn<AbstractTester *>("widgetCreator"); - -#undef NEWROW -#define NEWROW(T) QTest::newRow(#T) << static_cast<AbstractTester *>(new WidgetCreator<T >) - - NEWROW(QWidget); - - NEWROW(QButtonGroup); - NEWROW(QCheckBox); - NEWROW(QColumnView); - NEWROW(QComboBox); - NEWROW(QCommandLinkButton); - NEWROW(QDateEdit); - NEWROW(QDateTimeEdit); - NEWROW(QDesktopWidget); - NEWROW(QDial); - NEWROW(QDoubleSpinBox); - NEWROW(QFocusFrame); - NEWROW(QFontComboBox); - NEWROW(QFrame); - NEWROW(QGroupBox); - NEWROW(QLabel); - NEWROW(QLCDNumber); - NEWROW(QLineEdit); - NEWROW(QListView); - NEWROW(QListWidget); - NEWROW(QMainWindow); - NEWROW(QMenu); - NEWROW(QMenuBar); - NEWROW(QPlainTextEdit); - NEWROW(QProgressBar); - NEWROW(QPushButton); - NEWROW(QRadioButton); - NEWROW(QScrollArea); - NEWROW(QScrollBar); - NEWROW(QSizeGrip); - NEWROW(QSlider); - NEWROW(QSpinBox); - NEWROW(QSplitter); - NEWROW(QStackedWidget); - NEWROW(QStatusBar); - NEWROW(QTabBar); - NEWROW(QTableView); - NEWROW(QTableWidget); - NEWROW(QTabWidget); - NEWROW(QTextBrowser); - NEWROW(QTextEdit); - NEWROW(QTimeEdit); - NEWROW(QToolBar); - NEWROW(QToolBox); - NEWROW(QToolButton); - NEWROW(QTreeView); - NEWROW(QTreeWidget); -} - -void tst_ExceptionSafety_Objects::widgets() -{ - QLatin1String tag = QLatin1String(QTest::currentDataTag()); - if (tag == QLatin1String("QColumnView") - || tag == QLatin1String("QComboBox") - || tag == QLatin1String("QCommandLinkButton") - || tag == QLatin1String("QDateEdit") - || tag == QLatin1String("QDateTimeEdit") - || tag == QLatin1String("QDesktopWidget") - || tag == QLatin1String("QDoubleSpinBox") - || tag == QLatin1String("QFontComboBox") - || tag == QLatin1String("QGroupBox") - || tag == QLatin1String("QLineEdit") - || tag == QLatin1String("QListView") - || tag == QLatin1String("QListWidget") - || tag == QLatin1String("QMainWindow") - || tag == QLatin1String("QMenu") - || tag == QLatin1String("QMenuBar") - || tag == QLatin1String("QPlainTextEdit") - || tag == QLatin1String("QProgressBar") - || tag == QLatin1String("QPushButton") - || tag == QLatin1String("QScrollArea") - || tag == QLatin1String("QSpinBox") - || tag == QLatin1String("QStackedWidget") - || tag == QLatin1String("QStatusBar") - || tag == QLatin1String("QTableView") - || tag == QLatin1String("QTableWidget") - || tag == QLatin1String("QTabWidget") - || tag == QLatin1String("QTextBrowser") - || tag == QLatin1String("QTextEdit") - || tag == QLatin1String("QTimeEdit") - || tag == QLatin1String("QToolBar") - || tag == QLatin1String("QToolBox") - || tag == QLatin1String("QTreeView") - || tag == QLatin1String("QTreeWidget")) - QSKIP("This type of widget is not currently strongly exception safe"); - - if (tag == QLatin1String("QWidget")) - QSKIP("QTBUG-18927"); - - QFETCH(AbstractTester *, widgetCreator); - - doOOMTest(*widgetCreator, 0, 00000); - - QWidget parent; - doOOMTest(*widgetCreator, &parent, 00000); - - delete widgetCreator; - - // if the test reaches here without crashing, we passed :) - QVERIFY(true); -} - -struct Integer -{ - Integer(int value = 42) - : ptr(new int(value)) - { - ++instanceCount; - } - - Integer(const Integer &other) - : ptr(new int(*other.ptr)) - { - ++instanceCount; - } - - Integer &operator=(const Integer &other) - { - int *newPtr = new int(*other.ptr); - delete ptr; - ptr = newPtr; - return *this; - } - - ~Integer() - { - --instanceCount; - delete ptr; - } - - int value() const - { - return *ptr; - } - - int *ptr; - static int instanceCount; -}; - -int Integer::instanceCount = 0; - -struct IntegerMoveable - { - IntegerMoveable(int value = 42) - : val(value) - { - delete new int; - ++instanceCount; - } - - IntegerMoveable(const IntegerMoveable &other) - : val(other.val) - { - delete new int; - ++instanceCount; - } - - IntegerMoveable &operator=(const IntegerMoveable &other) - { - delete new int; - val = other.val; - return *this; - } - - ~IntegerMoveable() - { - --instanceCount; - } - - int value() const - { - return val; - } - - int val; - static int instanceCount; - }; - -int IntegerMoveable::instanceCount = 0; -QT_BEGIN_NAMESPACE -Q_DECLARE_TYPEINFO(IntegerMoveable, Q_MOVABLE_TYPE); -QT_END_NAMESPACE - -template <typename T, template<typename> class Container> -void containerInsertTest(QObject*) -{ - Container<T> container; - - // insert an item in an empty container - try { - container.insert(container.begin(), 41); - } catch (...) { - QVERIFY(container.isEmpty()); - QCOMPARE(T::instanceCount, 0); - return; - } - - QCOMPARE(container.size(), 1); - QCOMPARE(T::instanceCount, 1); - - // insert an item before another item - try { - container.insert(container.begin(), 42); - } catch (...) { - QCOMPARE(container.size(), 1); - QCOMPARE(container.first().value(), 41); - QCOMPARE(T::instanceCount, 1); - return; - } - - QCOMPARE(T::instanceCount, 2); - - // insert an item in between - try { - container.insert(container.begin() + 1, 43); - } catch (...) { - QCOMPARE(container.size(), 2); - QCOMPARE(container.first().value(), 41); - QCOMPARE((container.begin() + 1)->value(), 42); - QCOMPARE(T::instanceCount, 2); - return; - } - - QCOMPARE(T::instanceCount, 3); -} - -template <typename T, template<typename> class Container> -void containerAppendTest(QObject*) -{ - Container<T> container; - - // append to an empty container - try { - container.append(42); - } catch (...) { - QCOMPARE(container.size(), 0); - QCOMPARE(T::instanceCount, 0); - return; - } - - // append to a container with one item - try { - container.append(43); - } catch (...) { - QCOMPARE(container.size(), 1); - QCOMPARE(container.first().value(), 42); - QCOMPARE(T::instanceCount, 1); - return; - } - - Container<T> container2; - - try { - container2.append(44); - } catch (...) { - // don't care - return; - } - QCOMPARE(T::instanceCount, 3); - - // append another container with one item - try { - container += container2; - } catch (...) { - QCOMPARE(container.size(), 2); - QCOMPARE(container.first().value(), 42); - QCOMPARE((container.begin() + 1)->value(), 43); - QCOMPARE(T::instanceCount, 3); - return; - } - - QCOMPARE(T::instanceCount, 4); -} - -template <typename T, template<typename> class Container> -void containerEraseTest(QObject*) -{ - Container<T> container; - - try { - container.append(42); - container.append(43); - container.append(44); - container.append(45); - container.append(46); - } catch (...) { - // don't care - return; - } - - // sanity checks - QCOMPARE(container.size(), 5); - QCOMPARE(T::instanceCount, 5); - - // delete the first one - try { - container.erase(container.begin()); - } catch (...) { - QCOMPARE(container.size(), 5); - QCOMPARE(container.first().value(), 42); - QCOMPARE(T::instanceCount, 5); - return; - } - - QCOMPARE(container.size(), 4); - QCOMPARE(container.first().value(), 43); - QCOMPARE(T::instanceCount, 4); - - // delete the last one - try { - container.erase(container.end() - 1); - } catch (...) { - QCOMPARE(container.size(), 4); - QCOMPARE(T::instanceCount, 4); - return; - } - - QCOMPARE(container.size(), 3); - QCOMPARE(container.first().value(), 43); - QCOMPARE((container.begin() + 1)->value(), 44); - QCOMPARE((container.begin() + 2)->value(), 45); - QCOMPARE(T::instanceCount, 3); - - // delete the middle one - try { - container.erase(container.begin() + 1); - } catch (...) { - QCOMPARE(container.size(), 3); - QCOMPARE(container.first().value(), 43); - QCOMPARE((container.begin() + 1)->value(), 44); - QCOMPARE((container.begin() + 2)->value(), 45); - QCOMPARE(T::instanceCount, 3); - return; - } - - QCOMPARE(container.size(), 2); - QCOMPARE(container.first().value(), 43); - QCOMPARE((container.begin() + 1)->value(), 45); - QCOMPARE(T::instanceCount, 2); -} - -template <template<typename T> class Container> -static void containerData() -{ - QTest::addColumn<TestFunction>("testFunction"); - - QTest::newRow("insert static") << static_cast<TestFunction>(containerInsertTest<Integer, Container>); - QTest::newRow("append static") << static_cast<TestFunction>(containerAppendTest<Integer, Container>); - QTest::newRow("erase static") << static_cast<TestFunction>(containerEraseTest<Integer, Container>); - QTest::newRow("insert moveable") << static_cast<TestFunction>(containerInsertTest<IntegerMoveable, Container>); - QTest::newRow("append moveable") << static_cast<TestFunction>(containerAppendTest<IntegerMoveable, Container>); - QTest::newRow("erase moveable") << static_cast<TestFunction>(containerEraseTest<IntegerMoveable, Container>); -} - -void tst_ExceptionSafety_Objects::vector_data() -{ - containerData<QVector>(); -} - -void tst_ExceptionSafety_Objects::vector() -{ - QFETCH(TestFunction, testFunction); - - if (QLatin1String(QTest::currentDataTag()) == QLatin1String("insert static") - || QLatin1String(QTest::currentDataTag()) == QLatin1String("insert moveable")) - QSKIP("QVector::insert is currently not strongly exception safe"); - - doOOMTest(testFunction, 0); -} - -void tst_ExceptionSafety_Objects::list_data() -{ - containerData<QList>(); -} - -void tst_ExceptionSafety_Objects::list() -{ - QFETCH(TestFunction, testFunction); - - doOOMTest(testFunction, 0); -} - -void tst_ExceptionSafety_Objects::linkedList_data() -{ - containerData<QLinkedList>(); -} - -void tst_ExceptionSafety_Objects::linkedList() -{ - QFETCH(TestFunction, testFunction); - - doOOMTest(testFunction, 0); -} - -#endif - -QTEST_MAIN(tst_ExceptionSafety_Objects) -#include "tst_exceptionsafety_objects.moc" |