diff --git a/js/x11/examples/smoketest/damagetest.js b/js/x11/examples/smoketest/damagetest.js
new file mode 100644
index 0000000..72be79a
--- /dev/null
+++ b/js/x11/examples/smoketest/damagetest.js
@@ -0,0 +1,18 @@
+var x11 = require('../../lib');
+
+x11.createClient(function(err, display) {
+    var X = display.client;
+    var root = display.screen[0].root;
+    X.require('damage', function(err, Damage) {
+        console.log(Damage);
+        var id = parseInt(process.argv[2]);
+        var damage = X.AllocID();
+        Damage.Create(damage, id, Damage.ReportLevel.NonEmpty);
+        X.on('event', function(ev) {
+          Damage.Subtract(damage, 0, 0);
+          console.log(ev);
+        });
+    });
+    X.on('error', function(err) { console.log(err); });
+
+});