test(n.notification): Add regression test for #3625

tests/test-naughty-notification.lua

@@ -0,0 +1,30 @@
+local runner = require("_runner")
+local naughty = require("naughty")
+
+local steps = {}
+
+local n
+
+-- Regression test for #3625:
+-- Make sure that setting `timeout = 0` on an existing notification
+-- correctly stops and removes the timer.
+table.insert(steps, function()
+    n = naughty.notification({ text = "regression #3625", timeout = 1 })
+    n.timeout = 0
+    return true
+end)
+
+-- Wait for the notification's timeout to pass.
+table.insert(steps, function()
+    os.execute("sleep 2")
+    return true
+end)
+
+table.insert(steps, function()
+    assert(not n.is_expired)
+    return true
+end)
+
+runner.run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80