// ver 3
@Test
public void testDivZeroVer3() {
try {
c.div(10, 1);
System.out.println("Here is error");
} catch (Exception e) {
}
}
// ver 4
@Test(expected = Exception.class)
public void testDivZero() {
c.div(10, 1);
}
@Test
public void testDiv() {
assertTrue(2 == c.div(10, 5));
}