diff -r 49017c391564 Lib/test/test_turtle_guionly.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Lib/test/test_turtle_guionly.py	Wed Jun 11 23:45:22 2014 -0400
@@ -0,0 +1,58 @@
+import unittest
+from test import support
+
+support.requires('gui')
+
+turtle = support.import_module('turtle')
+
+class ScrolledCanvasTestCase(unittest.TestCase):
+    def tearDown(self):
+        turtle.bye()
+
+    def test_reset_large_canvas(self):
+        t = turtle.Turtle()
+
+        canvas = t.screen.cv
+
+        canvas._canvas.config(width=2000, height=2000)
+        canvas.reset(canvwidth=2000, canvheight=2000)
+
+        self.assertTrue(canvas._canvas.xview() == (0.3405, 0.6545))
+        self.assertTrue(canvas._canvas.yview() == (0.3505, 0.6445))
+
+    def test_reset_small_canvas(self):
+        t = turtle.Turtle()
+
+        canvas = t.screen.cv
+
+        canvas._canvas.config(width=200, height=200)
+        canvas.reset(canvwidth=200, canvheight=200)
+
+        self.assertTrue(canvas._canvas.xview() == (0.0, 1.0))
+        self.assertTrue(canvas._canvas.yview() == (0.0, 1.0))
+
+    def test_adjustScrolls_large_window(self):
+        t = turtle.Turtle()
+
+        canvas = t.screen.cv
+
+        canvas.canvwidth = 2000
+        canvas.canvheight = 2000
+
+        canvas.adjustScrolls()
+
+        self.assertTrue(canvas.hscroll.grid_info())
+        self.assertTrue(canvas.vscroll.grid_info())
+
+    def test_adjustScroll_small_window(self):
+        t = turtle.Turtle()
+
+        canvas = t.screen.cv
+
+        canvas.canvwidth = 20
+        canvas.canvheight = 20
+
+        canvas.adjustScrolls()
+
+        self.assertFalse(canvas.hscroll.grid_info())
+        self.assertFalse(canvas.vscroll.grid_info())