@Test
public void testSetAmount2() throws Exception {
System.out.println("setAmount2");
/* Set up a new loan */
Loan target = new Loan();
/* get the setAmount method details */
Method method = Loan.class.getDeclaredMethod("setAmount", double.class);
/* make the field assessible */
method.setAccessible(true);
/* invoke the method setAmount with the value 3000.0 */
method.invoke(target, 3000.0);
/*access the field loanAmount and check its value is set the 3000.0*/
Class secretClass = target.getClass();
Field f = secretClass.getDeclaredField("loanAmount");
f.setAccessible(true);
double result = f.getDouble(target);
assertEquals("The amounts should be equal", 3000.00, result, 0.0);
}
@Test
public void testSetPeriod() throws Exception {
System.out.println("test setPeriod()");
Loan target = new Loan();
Method method = Loan.class.getDeclaredMethod("setPeriod", int.class);
method.setAccessible(true);
method.invoke(target, 2);
Class secretClass = target.getClass();
Field f = secretClass.getDeclaredField("numberOfPayments");
f.setAccessible(true);
int result = f.getInt(target);
assertEquals("The number of payments should be equal", 24, result);
}
/** Accessing a private field Test of loanamount, of class Loan. */
@Test
public void testSetAmount1() throws Exception {
System.out.println("setAmount1");
Loan target = new Loan(4000.0, 10.0, 5);
/*creat secret class */
Class secretClass = target.getClass();
/* The the private field */
Field f = secretClass.getDeclaredField("loanAmount");
/*Set tha field to accessible */
f.setAccessible(true);
System.out.println("The value in f is " + f.get(target));
/*get the value of the field */
double result = f.getDouble(target);
/*Assert the value is correct */
assertEquals("The amounts should be equal", 4000.00, result, 0.0);
}