// Test library configuration for qt.cfg // // Usage: // $ cppcheck --check-library --enable=information --inconclusive --error-exitcode=1 --suppress=missingIncludeSystem --inline-suppr --library=qt test/cfg/qt.cpp // => // No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0 // #include #include #include #include #include #include #include void QString1(QString s) { for (int i = 0; i <= s.size(); ++i) { // cppcheck-suppress stlOutOfBounds s[i] = 'x'; } } int QString2() { QString s; // FIXME cppcheck-suppress reademptycontainer return s.size(); } QString::iterator QString3() { QString qstring1; QString qstring2; // cppcheck-suppress iterators2 for (QString::iterator it = qstring1.begin(); it != qstring2.end(); ++it) {} QString::iterator it = qstring1.begin(); // cppcheck-suppress returnDanglingLifetime return it; } void QList1(QList intListArg) { for (int i = 0; i <= intListArg.size(); ++i) { // cppcheck-suppress stlOutOfBounds intListArg[i] = 1; } // cppcheck-suppress containerOutOfBoundsIndexExpression intListArg[intListArg.length()] = 5; // cppcheck-suppress containerOutOfBoundsIndexExpression intListArg[intListArg.count()] = 10; // cppcheck-suppress containerOutOfBoundsIndexExpression printf("val: %d\n", intListArg[intListArg.size()]); QList qstringList1{"one", "two"}; (void)qstringList1[1]; QList qstringList2 = {"one", "two"}; (void)qstringList2[1]; qstringList2.clear(); // TODO: cppcheck-suppress containerOutOfBounds #9243 (void)qstringList2[1]; QList qstringList3; qstringList3 << "one" << "two"; // FIXME: The following containerOutOfBounds suppression is wrong #9242 // Please remove the suppression as soon as this is fixed // cppcheck-suppress containerOutOfBounds (void)qstringList3[1]; // cppcheck-suppress ignoredReturnValue qstringList3.startsWith("one"); // cppcheck-suppress ignoredReturnValue qstringList3.endsWith("one"); // cppcheck-suppress ignoredReturnValue qstringList3.count(); // cppcheck-suppress ignoredReturnValue qstringList3.length(); // cppcheck-suppress ignoredReturnValue qstringList3.size(); // cppcheck-suppress ignoredReturnValue qstringList3.at(5); // cppcheck-suppress invalidFunctionArg (void)qstringList3.at(-5); QList qstringList4; // cppcheck-suppress containerOutOfBounds (void)qstringList4[0]; qstringList4.append("a"); (void)qstringList4[0]; qstringList4.clear(); // TODO: cppcheck-suppress containerOutOfBounds #9243 (void)qstringList4[0]; } QList::iterator QList3() { QList qlist1; QList qlist2; // cppcheck-suppress iterators2 for (QList::iterator it = qlist1.begin(); it != qlist2.end(); ++it) {} QList::iterator it = qlist1.begin(); // TODO: cppcheck-suppress returnDanglingLifetime return it; } void QStringList1(QStringList stringlistArg) { for (int i = 0; i <= stringlistArg.size(); ++i) { // cppcheck-suppress stlOutOfBounds stringlistArg[i] = "abc"; } // cppcheck-suppress containerOutOfBoundsIndexExpression stringlistArg[stringlistArg.length()] = "ab"; stringlistArg[stringlistArg.length() - 1] = "ab"; // could be valid // cppcheck-suppress containerOutOfBoundsIndexExpression stringlistArg[stringlistArg.count()] = "12"; stringlistArg[stringlistArg.count() - 1] = "12"; // could be valid // cppcheck-suppress containerOutOfBoundsIndexExpression (void)stringlistArg[stringlistArg.size()]; (void)stringlistArg[stringlistArg.size() - 1]; // could be valid QStringList qstringlist1{"one", "two"}; (void)qstringlist1[1]; QStringList qstringlist2 = {"one", "two"}; (void)qstringlist2[1]; QStringList qstringlist3; qstringlist3 << "one" << "two"; // FIXME: The following containerOutOfBounds suppression is wrong #9242 // Please remove the suppression as soon as this is fixed // cppcheck-suppress containerOutOfBounds (void)qstringlist3[1]; // cppcheck-suppress ignoredReturnValue qstringlist3.startsWith("one"); // cppcheck-suppress ignoredReturnValue qstringlist3.endsWith("one"); // cppcheck-suppress ignoredReturnValue qstringlist3.count(); // cppcheck-suppress ignoredReturnValue qstringlist3.length(); // cppcheck-suppress ignoredReturnValue qstringlist3.size(); // cppcheck-suppress ignoredReturnValue qstringlist3.at(5); // cppcheck-suppress invalidFunctionArg (void)qstringlist3.at(-5); } QStringList::iterator QStringList2() { QStringList qstringlist1; QStringList qstringlist2; // cppcheck-suppress iterators2 for (QStringList::iterator it = qstringlist1.begin(); it != qstringlist2.end(); ++it) {} QStringList::iterator it = qstringlist1.begin(); // cppcheck-suppress returnDanglingLifetime return it; } void QVector1(QVector intVectorArg) { for (int i = 0; i <= intVectorArg.size(); ++i) { // cppcheck-suppress stlOutOfBounds intVectorArg[i] = 1; } // cppcheck-suppress containerOutOfBoundsIndexExpression intVectorArg[intVectorArg.length()] = 5; // cppcheck-suppress containerOutOfBoundsIndexExpression intVectorArg[intVectorArg.count()] = 10; // cppcheck-suppress containerOutOfBoundsIndexExpression printf("val: %d\n", intVectorArg[intVectorArg.size()]); QVector qstringVector1{"one", "two"}; (void)qstringVector1[1]; QVector qstringVector2 = {"one", "two"}; (void)qstringVector2[1]; QVector qstringVector3; qstringVector3 << "one" << "two"; // FIXME: The following containerOutOfBounds suppression is wrong #9242 // Please remove the suppression as soon as this is fixed // cppcheck-suppress containerOutOfBounds (void)qstringVector3[1]; // cppcheck-suppress ignoredReturnValue qstringVector3.startsWith("one"); // cppcheck-suppress ignoredReturnValue qstringVector3.endsWith("one"); // cppcheck-suppress ignoredReturnValue qstringVector3.count(); // cppcheck-suppress ignoredReturnValue qstringVector3.length(); // cppcheck-suppress ignoredReturnValue qstringVector3.size(); // cppcheck-suppress ignoredReturnValue qstringVector3.at(5); // cppcheck-suppress invalidFunctionArg (void)qstringVector3.at(-5); } QVector::iterator QVector2() { QVector qvector1; QVector qvector2; // cppcheck-suppress iterators2 for (QVector::iterator it = qvector1.begin(); it != qvector2.end(); ++it) {} QVector::iterator it = qvector1.begin(); // TODO cppcheck-suppress returnDanglingLifetime return it; } // Verify that Qt macros do not result in syntax errors, false positives or other issues. class MacroTest1: public QObject { Q_OBJECT Q_PLUGIN_METADATA(IID "com.foo.bar" FILE "test.json") public: explicit MacroTest1(QObject *parent = 0); ~MacroTest1(); }; class MacroTest2 { Q_DECLARE_TR_FUNCTIONS(MacroTest2) public: MacroTest2(); ~MacroTest2(); }; void MacroTest2_test() { // TODO: remove suppression when #9002 is fixed // cppcheck-suppress checkLibraryFunction QString str = MacroTest2::tr("hello"); QByteArray ba = str.toLatin1(); printf(ba.data()); #ifndef QT_NO_DEPRECATED // TODO: remove suppression when #9002 is fixed // cppcheck-suppress checkLibraryFunction str = MacroTest2::trUtf8("test2"); ba = str.toLatin1(); printf(ba.data()); #endif } void validCode(int * pIntPtr) { if (QFile::exists("test")) { } if (pIntPtr != Q_NULLPTR) { *pIntPtr = 5; } if (pIntPtr && *pIntPtr == 1) { forever { } } else if (pIntPtr && *pIntPtr == 2) { Q_FOREVER { } } if (Q_LIKELY(pIntPtr)) {} if (Q_UNLIKELY(!pIntPtr)) {} printf(QT_TR_NOOP("Hi")); } void ignoredReturnValue() { // cppcheck-suppress ignoredReturnValue QFile::exists("test"); QFile file1("test"); // cppcheck-suppress ignoredReturnValue file1.exists(); } void nullPointer(int * pIntPtr) { int * pNullPtr = Q_NULLPTR; // cppcheck-suppress nullPointer *pNullPtr = 1; if (pIntPtr != Q_NULLPTR) { *pIntPtr = 2; } else { // cppcheck-suppress nullPointerRedundantCheck *pIntPtr = 3; } }