/**
* inheritance, calling a nonstatic parents method from withing an overwritten nonstatic method:
* the method blockSignals defined in class foo calls the method blockSignals() of it's parent class
* <code>foo::blockSignals() calls QObject::blockSignals()</code>
*/
function testCallParentQtMethod()
{
echo "\ntesting parent::blockSignals() within foo::blockSignals()";
$o = new QObject();
$p = new foo($o);
// set blockSignals to true, so we can test it
$p->blockSignals(true);
$this->assertTrue($p->blockSignals(true), "Could not call a parent Qt method!");
echo " passed";
}