cppcheck/test/cfg/qt.cpp

87 lines
1.7 KiB
C++

// 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 <QObject>
#include <QString>
#include <QtPlugin>
#include <QFile>
#include <cstdio>
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();
}
// 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();
};
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;
}
}