diff --git a/wxPython/tests/test_floatOnParent.py b/wxPython/tests/test_floatOnParent.py
new file mode 100644
index 0000000000..6c56190ba3
--- /dev/null
+++ b/wxPython/tests/test_floatOnParent.py
@@ -0,0 +1,27 @@
+import wx
+
+app = wx.App(False)
+
+mf = wx.Frame(None, title="MainFrame")
+p = wx.Panel(mf)
+txt = wx.TextCtrl(p, value="Hello", pos=(10,10))
+mf.Show()
+
+pf = wx.Frame(parent=mf, size=(150,150), #title="popup frame",
+              style=0
+              #| wx.DEFAULT_FRAME_STYLE
+              | wx.FRAME_NO_TASKBAR
+              #| wx.FRAME_TOOL_WINDOW | wx.CAPTION | wx.TINY_CAPTION_VERT
+              | wx.FRAME_FLOAT_ON_PARENT
+              #| wx.STAY_ON_TOP
+              | wx.POPUP_WINDOW
+              | wx.NO_BORDER
+              )
+#pf.MacSetMetalAppearance(True)
+p = wx.Panel(pf)
+p.SetBackgroundColour("pink")
+pf.Show()
+pf.Move(mf.GetPosition() + (50,50))
+mf.Raise()
+
+app.MainLoop()