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1
3 package test.jmock.core.constraint;
4
5 import java.util.EventObject  ;
6 import org.jmock.core.constraint.IsEventFrom;
7
8
9 public class IsEventFromTest extends AbstractConstraintsTest
10 {
11 public void testEvaluatesToTrueIfArgumentIsAnEventObjectFiredByASpecifiedSource() {
12 Object o = new Object ();
13 EventObject ev = new EventObject (o);
14 EventObject ev2 = new EventObject (new Object ());
15
16 IsEventFrom p = new IsEventFrom(o);
17
18 assertTrue(p.eval(ev));
19 assertTrue("p should eval to false for an event not from o",
20 !p.eval(ev2));
21 assertTrue("p should eval to false for objects that are not events",
22 !p.eval(o));
23 }
24
25 private static class DerivedEvent extends EventObject
26 {
27 public DerivedEvent( Object source ) {
28 super(source);
29 }
30 }
31
32 public void testCanTestForSpecificEventClasses() {
33 Object o = new Object ();
34 DerivedEvent good_ev = new DerivedEvent(o);
35 DerivedEvent wrong_source = new DerivedEvent(new Object ());
36 EventObject wrong_type = new EventObject (o);
37 EventObject wrong_source_and_type = new EventObject (new Object ());
38
39 IsEventFrom p = new IsEventFrom(DerivedEvent.class, o);
40
41 assertTrue(p.eval(good_ev));
42 assertTrue("p should eval to false for an event not from o",
43 !p.eval(wrong_source));
44 assertTrue("p should eval to false for an event of the wrong type",
45 !p.eval(wrong_type));
46 assertTrue("p should eval to false for an event of the wrong type " +
47 "and from the wrong source",
48 !p.eval(wrong_source_and_type));
49 }
50 }
51 |
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