getting prepped for better sudo script
[feisty_meow.git] / kona / src / test / java / semantics / instance_of.java
1 package test.java.semantics;
2
3 import java.util.List;
4
5 //hmmm: convert this to simple unit test.
6 class instance_of
7 {
8         public instance_of()
9         {
10         }
11
12         public Object cogitate()
13         {
14                 return null;
15         }
16
17         public static void main(String s[]) throws Exception
18         {
19                 // we are just asserting that it is safe to do instanceof on an object that is null.
20                 // let's test that theory.
21                 instance_of tony = new instance_of();
22                 Object fred = tony.cogitate(); // will produce null.
23                 if (fred instanceof List<?>) {
24                         throw new Exception("FAILURE!  fred should not be instance of List<?> !  null is an instance of something!");
25                 } else {
26                         System.out.println("told us null is not an instance of List, which is correct.");
27                 }
28         }
29 }