assertTrue("i) Incorrect format returned: " + formattedString,
formattedString.equals("Normal Orange"));
formattedString = cf.format(2);
assertTrue("j) Incorrect format returned: " + formattedString,
formattedString.equals("Expensive Orange"));
formattedString = cf.format(3);
assertTrue("k) Incorrect format returned: " + formattedString,
formattedString.equals("Expensive Orange"));
formattedString = cf.format(Double.POSITIVE_INFINITY);
assertTrue("l) Incorrect format returned: " + formattedString,
formattedString.equals("Expensive Orange"));