diff --git a/net/api/src/test/java/org/onlab/onos/net/device/DeviceEventTest.java b/net/api/src/test/java/org/onlab/onos/net/device/DeviceEventTest.java
new file mode 100644
index 0000000..df2b419
--- /dev/null
+++ b/net/api/src/test/java/org/onlab/onos/net/device/DeviceEventTest.java
@@ -0,0 +1,39 @@
+package org.onlab.onos.net.device;
+
+import org.junit.Test;
+import org.onlab.onos.event.AbstractEventTest;
+import org.onlab.onos.net.DefaultDevice;
+import org.onlab.onos.net.Device;
+import org.onlab.onos.net.provider.ProviderId;
+
+import static org.onlab.onos.net.DeviceId.deviceId;
+
+/**
+ * Tests of the device event.
+ */
+public class DeviceEventTest extends AbstractEventTest {
+
+    private Device createDevice() {
+        return new DefaultDevice(new ProviderId("foo"), deviceId("of:foo"),
+                                 Device.Type.SWITCH, "box", "hw", "sw", "sn");
+    }
+
+    @Test
+    public void withTime() {
+        Device device = createDevice();
+        DeviceEvent event = new DeviceEvent(DeviceEvent.Type.DEVICE_ADDED,
+                                            device, 123L);
+        validateEvent(event, DeviceEvent.Type.DEVICE_ADDED, device, 123L);
+    }
+
+    @Test
+    public void withoutTime() {
+        Device device = createDevice();
+        long before = System.currentTimeMillis();
+        DeviceEvent event = new DeviceEvent(DeviceEvent.Type.DEVICE_ADDED,
+                                            device);
+        long after = System.currentTimeMillis();
+        validateEvent(event, DeviceEvent.Type.DEVICE_ADDED, device, before, after);
+    }
+
+}