added tests for mismatch description

smgfreeman · smgfreeman · commit 098fb2bf4345 · 2008-12-20T20:25:44.000Z
diff --git a/hamcrest-unit-test/src/main/java/org/hamcrest/object/IsEventFromTest.java b/hamcrest-unit-test/src/main/java/org/hamcrest/object/IsEventFromTest.java
@@ -2,14 +2,14 @@
  */
 package org.hamcrest.object;
 
-import static org.hamcrest.core.IsNot.not;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.object.IsEventFrom.eventFrom;
-import org.hamcrest.AbstractMatcherTest;
-import org.hamcrest.Matcher;
 
 import java.util.EventObject;
 
+import org.hamcrest.AbstractMatcherTest;
+import org.hamcrest.Matcher;
+
 
 public class IsEventFromTest extends AbstractMatcherTest {
 
@@ -19,14 +19,14 @@ protected Matcher<?> createMatcher() {
     }
 
     public void testEvaluatesToTrueIfArgumentIsAnEventObjectFiredByASpecifiedSource() {
-        Object o = new Object();
+        Object o = "Source";
         EventObject ev = new EventObject(o);
-        EventObject ev2 = new EventObject(new Object());
+        EventObject ev2 = new EventObject("source 2");
 
         Matcher<EventObject> isEventMatcher = eventFrom(o);
 
         assertThat(ev, isEventMatcher);
-        assertThat(ev2, not(isEventMatcher));
+        assertMismatchDescription("source was \"source 2\"", isEventMatcher, ev2);
     }
 
     private static class DerivedEvent extends EventObject {
@@ -40,15 +40,15 @@ public DerivedEvent(Object source) {
     public void testCanTestForSpecificEventClasses() {
         Object o = new Object();
         DerivedEvent goodEv = new DerivedEvent(o);
-        DerivedEvent wrongSource = new DerivedEvent(new Object());
+        DerivedEvent wrongSource = new DerivedEvent("wrong source");
         EventObject wrongType = new EventObject(o);
         EventObject wrongSourceAndType = new EventObject(new Object());
 
         Matcher<EventObject> isEventMatcher = IsEventFrom.eventFrom(DerivedEvent.class, o);
 
         assertThat(goodEv, isEventMatcher);
-        assertThat(wrongSource, not(isEventMatcher));
-        assertThat(wrongType, not(isEventMatcher));
-        assertThat(wrongSourceAndType, not(isEventMatcher));
+        assertMismatchDescription("source was \"wrong source\"", isEventMatcher, wrongSource);
+        assertMismatchDescription("item type was java.util.EventObject", isEventMatcher, wrongType);
+        assertMismatchDescription("item type was java.util.EventObject", isEventMatcher, wrongSourceAndType);
     }
 }
