Esempi in C++ (Cpp) per QDoubleSpinBox::clear

Esempio n. 1

void GraphicalIntTest::test_signalEmmitting()
{
  GraphicalInt * value = new GraphicalInt(false);
  QDoubleSpinBox * spinBox = findSpinBox(value);
  QSignalSpy spy(value, SIGNAL(valueChanged()));

  //
  // 1. through setValue()
  //
  value->setValue(125464);
  value->setValue(-876541);

  // 2 signals should have been emitted
  QCOMPARE( spy.count(), 2 );

  spy.clear();

  //
  // 2. by simulating keyboard events
  //
  spinBox->clear();
  value->show(); // make the value visible (it ignores keyboard events if not)
  QTest::keyClicks(spinBox, "-2014" );
  QTest::keyClicks(spinBox, "357" );
  QTest::keyClicks(spinBox, "aq45s2" );

  // 10 signals should have been emitted (one per character)
  // (13 chars entered but 'a', 'q' and 's' were ignored)
  QCOMPARE( spy.count(), 10 );

  spy.clear();
  //
  // 3. when committing
  //
  value->commit();

  // 1 signal should have been emitted
  QCOMPARE( spy.count(), 1 );

  delete value;
}