diff --git a/js/x11/core/examples/smoketest/warppointer.js b/js/x11/core/examples/smoketest/warppointer.js
new file mode 100644
index 0000000..2df4217
--- /dev/null
+++ b/js/x11/core/examples/smoketest/warppointer.js
@@ -0,0 +1,9 @@
+var angle = 0;
+var x11 = require('../../lib').createClient(function(err, display) {
+    setInterval(function() {
+        var x = 500 + 100*Math.cos(angle);
+        var y = 500 + 100*Math.sin(angle);
+        display.client.WarpPointer(0, display.screen[0].root, 0, 0, 0, 0, parseInt(x), parseInt(y));
+        angle += 0.05;
+    }, 100);
+});