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testqstring.cpp Example File
qtestlib/tutorial2/testqstring.cpp

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 #include <QtTest/QtTest>

 class TestQString: public QObject
 {
     Q_OBJECT

 private slots:
     void toUpper_data();
     void toUpper();
 };

 void TestQString::toUpper_data()
 {
     QTest::addColumn<QString>("string");
     QTest::addColumn<QString>("result");

     QTest::newRow("all lower") << "hello" << "HELLO";
     QTest::newRow("mixed")     << "Hello" << "HELLO";
     QTest::newRow("all upper") << "HELLO" << "HELLO";
 }

 void TestQString::toUpper()
 {
     QFETCH(QString, string);
     QFETCH(QString, result);

     QCOMPARE(string.toUpper(), result);
 }

 QTEST_MAIN(TestQString)
 #include "testqstring.moc"