@Test
public void testModifyListenerFires() {
CompositeFunction compositeFunction = new CompositeFunction();
Gaussian gaussian = new Gaussian();
compositeFunction.addFunction(gaussian);
FunctionModelRoot modelRoot = new FunctionModelRoot(compositeFunction, provider);
IModelModifiedListener listener = mock(IModelModifiedListener.class);
modelRoot.addModelModifiedListener(listener);
ParameterModel[] parameterModel = modelRoot.getParameterModel(gaussian, 0);
assertEquals(1, parameterModel.length);
parameterModel[0].setParameterValue("456.7");
verify(listener, times(1)).parameterModified(any(IParameterModifiedEvent.class));
parameterModel[0].setParameterLowerLimit("123.4");
verify(listener, times(2)).parameterModified(any(IParameterModifiedEvent.class));
parameterModel[0].setParameterUpperLimit("890.1");
verify(listener, times(3)).parameterModified(any(IParameterModifiedEvent.class));
parameterModel[0].setParameterFixed(true);
verify(listener, times(4)).parameterModified(any(IParameterModifiedEvent.class));
// check (demonstrate!) that modifying the underlying IParameter does
// not fire event (i.e. if you bypass the model, you don't get events)
parameterModel[0].getParameter().setValue(123.456);
verify(listener, times(4)).parameterModified(any(IParameterModifiedEvent.class));
}
