[testinggtk] test default update_area of gtk.Window

[Björn Lindqvist <bjornl src gnome org>]

commit 05b77641692f935f9b80d610dee0650e34e7dcab
Author: Björn Lindqvist <bjourne gmail com>
Date:   Fri Jul 10 13:33:34 2009 +0200

    test default update_area of gtk.Window

 tests/test_window.py |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/tests/test_window.py b/tests/test_window.py
index 2c65859..a2e0e9e 100644
--- a/tests/test_window.py
+++ b/tests/test_window.py
@@ -129,6 +129,16 @@ def test_resize_window():
         win.resize(size, size)
         assert win.get_size() == (size, size)
 
+def test_default_update_area():
+    '''
+    The update_area of the newly visible gdk.Window is
+    (0,0)-[200,200]. Why 200?
+    '''
+    win = gtk.Window()
+    win.show()
+    area = win.window.get_update_area().get_clipbox()
+    assert area == gdk.Rectangle(0, 0, 200, 200)
+
 def test_resize_does_not_invalidate():
     '''
     Ensure that resizing a shown window does not invalidate it.