1 files changed, 34 insertions, 0 deletions
diff --git a/lib/luavgl/examples/uservalue.lua b/lib/luavgl/examples/uservalue.lua
new file mode 100644
index 00000000..414d8f0b
--- /dev/null
+++ b/lib/luavgl/examples/uservalue.lua
@@ -0,0 +1,34 @@
+collectgarbage("collect")
+print("initial: ", collectgarbage("count"))
+
+local str_t = {}
+for i = 1, 1024 * 1024 do
+    str_t[#str_t + 1] = 'a'
+end
+
+local str = table.concat(str_t)
+str_t = nil
+
+collectgarbage("collect")
+collectgarbage("collect")
+print("after string collect: ", collectgarbage("count"))
+
+for i = 1, 10 do
+    local label = lvgl.Label(nil)
+    label:set_text_static(str)
+    label:delete()
+end
+str = nil
+
+print("after set text: ", collectgarbage("count"))
+collectgarbage("collect")
+print("after collect: ", collectgarbage("count"))
+print("again: ", collectgarbage("count"))
+collectgarbage("collect")
+print("again2: ", collectgarbage("count"))
+collectgarbage("collect")
+print("again3: ", collectgarbage("count"))
+
+local label = lvgl.Label(nil)
+label:set({ text = "Test Done" })
+label:center()