listener test

JMRI · Sep 23, 2018 · d2a4441 · d2a4441
1 parent 0bea019
commit d2a4441
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/java/test/jmri/jmrit/simpleclock/SimpleTimebaseTest.java b/java/test/jmri/jmrit/simpleclock/SimpleTimebaseTest.java
@@ -1,5 +1,6 @@
 package jmri.jmrit.simpleclock;
 
+import java.beans.*;
 import java.time.Instant;
 import java.util.Date;
 import junit.framework.Test;
@@ -109,6 +110,29 @@ public void testSetGetRate() {
 
     }
 
+    double seenNewMinutes;
+    double seenOldMinutes;
+
+    public void testSetSendsUpdate() {
+        SimpleTimebase p = new SimpleTimebase();
+        p.setRun(false); // prevent clock ticking during test
+
+        seenNewMinutes = -1;
+        seenOldMinutes = -1;
+        p.addMinuteChangeListener(new PropertyChangeListener() {
+            public void propertyChange(PropertyChangeEvent e) {
+                seenOldMinutes = (Double) e.getOldValue();
+                seenNewMinutes = (Double) e.getNewValue();
+            }
+        });
+
+        Date date = p.getTime();
+        Date tenMinLater = new Date(10*60*1000L+date.getTime());
+
+        p.setTime(tenMinLater);
+        Assert.assertEquals(seenOldMinutes + 10.0, seenNewMinutes, 0.01);
+    }
+
     /* 	public void testShortDelay() { */
     /* 		SimpleTimebase p = new SimpleTimebase(); */
     /* 		Date now = new Date(); */