@Test
public void testSetFunctionOutOfOrder() {
// Test that we can set the second function of a subtract
CompositeFunction actual = new CompositeFunction();
FunctionModelRoot modelRoot = new FunctionModelRoot(actual, provider);
Subtract subtract = new Subtract();
modelRoot.addFunction(subtract);
SetFunctionModel[] setFunctionModel = modelRoot.getSetFunctionModel(subtract, 1);
assertEquals(1, setFunctionModel.length);
// If the ABinaryOperator's setFunction were to disallow setting index 1 before 0
// then this would probably raise an exception
setFunctionModel[0].setEditingValue("Gaussian");
// If ABinaryOperator's setFunction put the function in the wrong place this would fail
assertTreeLooksLike(
modelRoot, Node.SUBTACT(Node.SET_FUNCTION, Node.GAUSSIAN), Node.ADD_NEW_FUNCTION);
}
