diff --git a/js/x11/examples/smoketest/pixmap.js b/js/x11/examples/smoketest/pixmap.js
new file mode 100644
index 0000000..bb09fb3
--- /dev/null
+++ b/js/x11/examples/smoketest/pixmap.js
@@ -0,0 +1,9 @@
+function Pixmap(depth, width, height, buffer)
+{
+    this.depth = depth;
+    this.width = width;
+    this.height = height;
+    this.data = buffer;    
+}
+
+module.exports.Pixmap = Pixmap;
\ No newline at end of file