void inheritanceExample()
{
// create an example MyBaseClass object
MyBaseClass baseA;
baseA.setProtectedInt(1);
baseA.setPrivateInt(2);
std::cout << "Printing baseA:" << std::endl;
baseA.print();
std::cout << std::endl;
// create an example MyDerivedClass object
MyDerivedClass derivedA;
derivedA.setProtectedInt(10);
derivedA.setPrivateInt(11);
derivedA.setAdditionalPrivateInt(12);
std::cout << "Printing derivedA:" << std::endl;
derivedA.print();
std::cout << std::endl;
// create a MyBaseClass object from the derivedA object
MyBaseClass baseB(derivedA); // using automatic copy constructor
std::cout << "Printing baseB:" << std::endl;
baseB.print();
std::cout << std::endl;
}
void tst_QLine::testIntersection_data()
{
QTest::addColumn<double>("xa1");
QTest::addColumn<double>("ya1");
QTest::addColumn<double>("xa2");
QTest::addColumn<double>("ya2");
QTest::addColumn<double>("xb1");
QTest::addColumn<double>("yb1");
QTest::addColumn<double>("xb2");
QTest::addColumn<double>("yb2");
QTest::addColumn<int>("type");
QTest::addColumn<double>("ix");
QTest::addColumn<double>("iy");
QTest::newRow("parallel") << 1.0 << 1.0 << 3.0 << 4.0
<< 5.0 << 6.0 << 7.0 << 9.0
<< int(QLineF::NoIntersection) << 0.0 << 0.0;
QTest::newRow("unbounded") << 1.0 << 1.0 << 5.0 << 5.0
<< 0.0 << 4.0 << 3.0 << 4.0
<< int(QLineF::UnboundedIntersection) << 4.0 << 4.0;
QTest::newRow("bounded") << 1.0 << 1.0 << 5.0 << 5.0
<< 0.0 << 4.0 << 5.0 << 4.0
<< int(QLineF::BoundedIntersection) << 4.0 << 4.0;
QTest::newRow("almost vertical") << 0.0 << 10.0 << 20.0000000000001 << 10.0
<< 10.0 << 0.0 << 10.0 << 20.0
<< int(QLineF::BoundedIntersection) << 10.0 << 10.0;
QTest::newRow("almost horizontal") << 0.0 << 10.0 << 20.0 << 10.0
<< 10.0000000000001 << 0.0 << 10.0 << 20.0
<< int(QLineF::BoundedIntersection) << 10.0 << 10.0;
QTest::newRow("long vertical") << 100.1599256468623
<< 100.7861905065196
<< 100.1599256468604
<< -9999.78619050651
<< 10.0 << 50.0 << 190.0 << 50.0
<< int(QLineF::BoundedIntersection)
<< 100.1599256468622
<< 50.0;
QLineF baseA(0, -50, 0, 50);
QLineF baseB(-50, 0, 50, 0);
for (int i = 0; i < 1000; ++i) {
QLineF a = QLineF::fromPolar(50, i);
a.setP1(-a.p2());
QLineF b = QLineF::fromPolar(50, i * 0.997 + 90);
b.setP1(-b.p2());
// make the qFuzzyCompare be a bit more lenient
a = a.translated(1, 1);
b = b.translated(1, 1);
QTest::newRow(("rotation-" + QByteArray::number(i)).constData())
<< (double)a.x1() << (double)a.y1() << (double)a.x2() << (double)a.y2()
<< (double)b.x1() << (double)b.y1() << (double)b.x2() << (double)b.y2()
<< int(QLineF::BoundedIntersection)
<< 1.0
<< 1.0;
}
}
