324 lines
9.1 KiB
C++
324 lines
9.1 KiB
C++
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// Test library configuration for qt.cfg
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//
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// Usage:
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// $ cppcheck --check-library --enable=information --inconclusive --error-exitcode=1 --suppress=missingIncludeSystem --inline-suppr --library=qt test/cfg/qt.cpp
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// =>
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// No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0
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//
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#include <QObject>
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#include <QString>
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#include <QVector>
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#include <QtPlugin>
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#include <QFile>
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#include <cstdio>
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#include <QCoreApplication>
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void QString1(QString s)
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{
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for (int i = 0; i <= s.size(); ++i) {
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// cppcheck-suppress stlOutOfBounds
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s[i] = 'x';
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}
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}
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int QString2()
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{
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QString s;
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// FIXME cppcheck-suppress reademptycontainer
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return s.size();
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}
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QString::iterator QString3()
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{
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QString qstring1;
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QString qstring2;
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// cppcheck-suppress iterators2
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for (QString::iterator it = qstring1.begin(); it != qstring2.end(); ++it)
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{}
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QString::iterator it = qstring1.begin();
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// cppcheck-suppress returnDanglingLifetime
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return it;
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}
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void QByteArray1(QByteArray byteArrayArg)
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{
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for (int i = 0; i <= byteArrayArg.size(); ++i) {
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// cppcheck-suppress stlOutOfBounds
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byteArrayArg[i] = 'x';
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}
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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byteArrayArg[byteArrayArg.length()] = 'a';
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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byteArrayArg[byteArrayArg.count()] = 'b';
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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printf("val: %c\n", byteArrayArg[byteArrayArg.size()]);
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QByteArray byteArray1{'a', 'b'};
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(void)byteArray1[1];
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// cppcheck-suppress ignoredReturnValue
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byteArray1.at(1);
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}
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void QList1(QList<int> intListArg)
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{
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for (int i = 0; i <= intListArg.size(); ++i) {
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// cppcheck-suppress stlOutOfBounds
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intListArg[i] = 1;
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}
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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intListArg[intListArg.length()] = 5;
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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intListArg[intListArg.count()] = 10;
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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printf("val: %d\n", intListArg[intListArg.size()]);
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QList<QString> qstringList1{"one", "two"};
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(void)qstringList1[1];
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QList<QString> qstringList2 = {"one", "two"};
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(void)qstringList2[1];
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qstringList2.clear();
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// TODO: cppcheck-suppress containerOutOfBounds #9243
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(void)qstringList2[1];
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QList<QString> qstringList3;
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qstringList3 << "one" << "two";
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// FIXME: The following containerOutOfBounds suppression is wrong #9242
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// Please remove the suppression as soon as this is fixed
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// cppcheck-suppress containerOutOfBounds
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(void)qstringList3[1];
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// cppcheck-suppress ignoredReturnValue
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qstringList3.startsWith("one");
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// cppcheck-suppress ignoredReturnValue
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qstringList3.endsWith("one");
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// cppcheck-suppress ignoredReturnValue
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qstringList3.count();
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// cppcheck-suppress ignoredReturnValue
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qstringList3.length();
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// cppcheck-suppress ignoredReturnValue
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qstringList3.size();
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// cppcheck-suppress ignoredReturnValue
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qstringList3.at(5);
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// cppcheck-suppress invalidFunctionArg
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(void)qstringList3.at(-5);
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QList<QString> qstringList4;
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// cppcheck-suppress containerOutOfBounds
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(void)qstringList4[0];
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qstringList4.append("a");
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(void)qstringList4[0];
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qstringList4.clear();
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// TODO: cppcheck-suppress containerOutOfBounds #9243
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(void)qstringList4[0];
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}
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QList<int>::iterator QList3()
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{
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QList<int> qlist1;
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QList<int> qlist2;
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// cppcheck-suppress iterators2
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for (QList<int>::iterator it = qlist1.begin(); it != qlist2.end(); ++it)
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{}
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QList<int>::iterator it = qlist1.begin();
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// TODO: cppcheck-suppress returnDanglingLifetime
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return it;
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}
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void QStringList1(QStringList stringlistArg)
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{
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for (int i = 0; i <= stringlistArg.size(); ++i) {
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// cppcheck-suppress stlOutOfBounds
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stringlistArg[i] = "abc";
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}
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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stringlistArg[stringlistArg.length()] = "ab";
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stringlistArg[stringlistArg.length() - 1] = "ab"; // could be valid
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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stringlistArg[stringlistArg.count()] = "12";
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stringlistArg[stringlistArg.count() - 1] = "12"; // could be valid
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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(void)stringlistArg[stringlistArg.size()];
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(void)stringlistArg[stringlistArg.size() - 1]; // could be valid
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QStringList qstringlist1{"one", "two"};
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(void)qstringlist1[1];
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QStringList qstringlist2 = {"one", "two"};
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(void)qstringlist2[1];
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QStringList qstringlist3;
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qstringlist3 << "one" << "two";
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// FIXME: The following containerOutOfBounds suppression is wrong #9242
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// Please remove the suppression as soon as this is fixed
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// cppcheck-suppress containerOutOfBounds
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(void)qstringlist3[1];
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// cppcheck-suppress ignoredReturnValue
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qstringlist3.startsWith("one");
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// cppcheck-suppress ignoredReturnValue
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qstringlist3.endsWith("one");
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// cppcheck-suppress ignoredReturnValue
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qstringlist3.count();
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// cppcheck-suppress ignoredReturnValue
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qstringlist3.length();
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// cppcheck-suppress ignoredReturnValue
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qstringlist3.size();
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// cppcheck-suppress ignoredReturnValue
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qstringlist3.at(5);
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// cppcheck-suppress invalidFunctionArg
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(void)qstringlist3.at(-5);
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}
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QStringList::iterator QStringList2()
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{
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QStringList qstringlist1;
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QStringList qstringlist2;
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// cppcheck-suppress iterators2
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for (QStringList::iterator it = qstringlist1.begin(); it != qstringlist2.end(); ++it)
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{}
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QStringList::iterator it = qstringlist1.begin();
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// cppcheck-suppress returnDanglingLifetime
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return it;
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}
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void QVector1(QVector<int> intVectorArg)
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{
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for (int i = 0; i <= intVectorArg.size(); ++i) {
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// cppcheck-suppress stlOutOfBounds
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intVectorArg[i] = 1;
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}
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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intVectorArg[intVectorArg.length()] = 5;
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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intVectorArg[intVectorArg.count()] = 10;
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// cppcheck-suppress containerOutOfBoundsIndexExpression
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printf("val: %d\n", intVectorArg[intVectorArg.size()]);
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QVector<QString> qstringVector1{"one", "two"};
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(void)qstringVector1[1];
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QVector<QString> qstringVector2 = {"one", "two"};
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(void)qstringVector2[1];
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QVector<QString> qstringVector3;
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qstringVector3 << "one" << "two";
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// FIXME: The following containerOutOfBounds suppression is wrong #9242
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// Please remove the suppression as soon as this is fixed
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// cppcheck-suppress containerOutOfBounds
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(void)qstringVector3[1];
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// cppcheck-suppress ignoredReturnValue
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qstringVector3.startsWith("one");
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// cppcheck-suppress ignoredReturnValue
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qstringVector3.endsWith("one");
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// cppcheck-suppress ignoredReturnValue
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qstringVector3.count();
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// cppcheck-suppress ignoredReturnValue
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qstringVector3.length();
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// cppcheck-suppress ignoredReturnValue
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qstringVector3.size();
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// cppcheck-suppress ignoredReturnValue
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qstringVector3.at(5);
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// cppcheck-suppress invalidFunctionArg
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(void)qstringVector3.at(-5);
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}
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QVector<int>::iterator QVector2()
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{
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QVector<int> qvector1;
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QVector<int> qvector2;
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// cppcheck-suppress iterators2
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for (QVector<int>::iterator it = qvector1.begin(); it != qvector2.end(); ++it)
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{}
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QVector<int>::iterator it = qvector1.begin();
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// TODO cppcheck-suppress returnDanglingLifetime
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return it;
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}
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// Verify that Qt macros do not result in syntax errors, false positives or other issues.
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class MacroTest1: public QObject {
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "com.foo.bar" FILE "test.json")
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public:
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explicit MacroTest1(QObject *parent = 0);
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~MacroTest1();
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};
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class MacroTest2 {
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Q_DECLARE_TR_FUNCTIONS(MacroTest2)
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public:
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MacroTest2();
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~MacroTest2();
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};
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void MacroTest2_test()
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{
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// TODO: remove suppression when #9002 is fixed
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// cppcheck-suppress checkLibraryFunction
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QString str = MacroTest2::tr("hello");
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QByteArray ba = str.toLatin1();
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printf(ba.data());
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#ifndef QT_NO_DEPRECATED
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// TODO: remove suppression when #9002 is fixed
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// cppcheck-suppress checkLibraryFunction
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str = MacroTest2::trUtf8("test2");
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ba = str.toLatin1();
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printf(ba.data());
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#endif
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}
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void validCode(int * pIntPtr)
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{
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if (QFile::exists("test")) {
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}
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if (pIntPtr != Q_NULLPTR) {
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*pIntPtr = 5;
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}
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if (pIntPtr && *pIntPtr == 1) {
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forever {
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}
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} else if (pIntPtr && *pIntPtr == 2) {
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Q_FOREVER {
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}
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}
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if (Q_LIKELY(pIntPtr)) {}
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if (Q_UNLIKELY(!pIntPtr)) {}
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printf(QT_TR_NOOP("Hi"));
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}
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void ignoredReturnValue()
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{
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// cppcheck-suppress ignoredReturnValue
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QFile::exists("test");
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QFile file1("test");
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// cppcheck-suppress ignoredReturnValue
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file1.exists();
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}
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void nullPointer(int * pIntPtr)
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{
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int * pNullPtr = Q_NULLPTR;
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// cppcheck-suppress nullPointer
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*pNullPtr = 1;
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if (pIntPtr != Q_NULLPTR) {
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*pIntPtr = 2;
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} else {
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// cppcheck-suppress nullPointerRedundantCheck
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*pIntPtr = 3;
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}
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}
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