From 2a77eb0cf94e4edaef4b400a8d262deb24293302 Mon Sep 17 00:00:00 2001
From: sbosse <sbosse@uni-bremen.de>
Date: Mon, 21 Jul 2025 23:04:31 +0200
Subject: [PATCH] Mon 21 Jul 22:43:21 CEST 2025

---
 js/x11/examples/smoketest/changeprop.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 js/x11/examples/smoketest/changeprop.js

diff --git a/js/x11/examples/smoketest/changeprop.js b/js/x11/examples/smoketest/changeprop.js
new file mode 100644
index 0000000..8eed7bc
--- /dev/null
+++ b/js/x11/examples/smoketest/changeprop.js
@@ -0,0 +1,23 @@
+var x11 = require('../../lib');
+
+var PointerMotion = x11.eventMask.PointerMotion;
+x11.createClient(function(err, display) {
+    var X = display.client;
+    var root = display.screen[0].root;
+    var wid = X.AllocID();
+    var white = display.screen[0].white_pixel;
+    var black = display.screen[0].black_pixel;
+
+    X.CreateWindow(wid, root, 0, 0, 400, 300, 0, 0, 0, 0, { backgroundPixel: white, eventMask: PointerMotion });
+    X.MapWindow(wid);
+
+    // mode: 0 replace, 1 prepend, 2 append
+    // mode, wid, name, type, format, data
+    X.ChangeProperty(0, wid, X.atoms.WM_NAME, X.atoms.STRING, 8, 'Hello, NodeJS');
+    var interval = setInterval(function() {
+           X.ChangeProperty(0, wid, X.atoms.WM_NAME, X.atoms.STRING, 8, 'Hello, NodeJS ' + new Date());
+    }, 100);
+    X.on('end', function() {
+        clearInterval(interval);
+    });
+});