/** Test of add method, of class Calculadora. */ @Test public void testAdd() { System.out.println("add"); double number1 = 0.0; double number2 = 0.0; Calculadora instance = new Calculadora(); double expResult = 0.0; double result = instance.add(number1, number2); double result2 = instance.add(4.0, 4.0); assertEquals(expResult, result, 0.0); // TODO review the generated test code and remove the default call to fail. }