Exemplo n.º 1
0
    bool exprs_for_24(int a1, int a2, int a3, int a4)
    {
        int ar[4] = {a1, a2, a3, a4};
        sort_quick(4, ar);

        int ops[4] = {'+', '-', '*', '/'}; 
        int opr[3];
        Rpermut rp(3, opr, sizeof(ops)/sizeof(int), ops);

        int a, b, c, d;
        int op1, op2, op3;
        
        bool found = false;

        for (; std::next_permutation(ar, ar+4); ) {
            
            a = ar[0];
            b = ar[1];
            c = ar[2];
            d = ar[3];

            for (rp.begin(); !rp.ended; rp.next()) {
                op1 = opr[0];
                op2 = opr[1];
                op3 = opr[2];

                if (form1(a, b, c, d, op1, op2, op3) ||
                    form2(a, b, c, d, op1, op2, op3) ||
                    form3(a, b, c, d, op1, op2, op3) ||
                    form4(a, b, c, d, op1, op2, op3) ||
                    form5(a, b, c, d, op1, op2, op3))
                    found = true;
            }
        }

        return found;
    }
Exemplo n.º 2
0
void TestQgsAttributeForm::testOKButtonStatus()
{
  // make a temporary vector layer
  QString def = QStringLiteral( "Point?field=col0:integer" );
  QgsVectorLayer* layer = new QgsVectorLayer( def, QStringLiteral( "test" ), QStringLiteral( "memory" ) );

  // add a feature to the vector layer
  QgsFeature ft( layer->dataProvider()->fields(), 1 );
  ft.setAttribute( QStringLiteral( "col0" ), 0 );
  ft.setValid( true );

  // set constraint
  layer->setConstraintExpression( 0, QString() );

  // build a form for this feature
  QgsAttributeForm form( layer );
  form.setFeature( ft );

  QPushButton *okButton = form.mButtonBox->button( QDialogButtonBox::Ok );

  // get wrapper
  QgsEditorWidgetWrapper *ww;
  ww = qobject_cast<QgsEditorWidgetWrapper*>( form.mWidgets[0] );

  // testing stuff
  QSignalSpy spy1( &form, SIGNAL( attributeChanged( QString, QVariant ) ) );
  QSignalSpy spy2( layer, SIGNAL( editingStarted() ) );
  QSignalSpy spy3( layer, SIGNAL( editingStopped() ) );

  // no constraint but layer not editable : OK button disabled
  QCOMPARE( layer->isEditable(), false );
  QCOMPARE( okButton->isEnabled(), false );

  // no constraint and editable layer : OK button enabled
  layer->startEditing();
  QCOMPARE( spy2.count(), 1 );
  QCOMPARE( layer->isEditable(), true );
  QCOMPARE( okButton->isEnabled(), true );

  // invalid constraint and editable layer : OK button disabled
  layer->setConstraintExpression( 0, QStringLiteral( "col0 = 0" ) );
  QgsAttributeForm form2( layer );
  form2.setFeature( ft );
  ww = qobject_cast<QgsEditorWidgetWrapper*>( form2.mWidgets[0] );
  okButton = form2.mButtonBox->button( QDialogButtonBox::Ok );
  ww->setValue( 1 );
  QCOMPARE( okButton->isEnabled(), false );

  // valid constraint and editable layer : OK button enabled
  layer->setConstraintExpression( 0, QStringLiteral( "col0 = 2" ) );
  QgsAttributeForm form3( layer );
  form3.setFeature( ft );
  ww = qobject_cast<QgsEditorWidgetWrapper*>( form3.mWidgets[0] );
  okButton = form3.mButtonBox->button( QDialogButtonBox::Ok );

  ww->setValue( 2 );
  QCOMPARE( okButton->isEnabled(), true );

  // valid constraint and not editable layer : OK button disabled
  layer->rollBack();
  QCOMPARE( spy3.count(), 1 );
  QCOMPARE( layer->isEditable(), false );
  QCOMPARE( okButton->isEnabled(), false );

  // set soft constraint
  layer->setFieldConstraint( 0, QgsFieldConstraints::ConstraintExpression, QgsFieldConstraints::ConstraintStrengthSoft );
  QgsAttributeForm form4( layer );
  form4.setFeature( ft );
  ww = qobject_cast<QgsEditorWidgetWrapper*>( form4.mWidgets[0] );
  okButton = form4.mButtonBox->button( QDialogButtonBox::Ok );
  ww->setValue( 1 );
  QVERIFY( !okButton->isEnabled() );
  layer->startEditing();
  // just a soft constraint, so OK should be enabled
  QVERIFY( okButton->isEnabled() );
  layer->rollBack();
  QVERIFY( !okButton->isEnabled() );
}