From cd894cbbc3d66449232a0ec433b0aff37a4129f7 Mon Sep 17 00:00:00 2001
From: John-Paul Robinson <jpr@uab.edu>
Date: Mon, 26 Nov 2012 16:47:02 -0600
Subject: Added difference test for something from nothing

The difference tests all subtract objects from an existing object but if
there is no existing object as the first argument the results are
inconsistent across Mac and Linux platforms.  Added a test to highlight
this condition.

diff --git a/testdata/scad/features/difference-tests.scad b/testdata/scad/features/difference-tests.scad
index 3bcd9e5..186772f 100644
--- a/testdata/scad/features/difference-tests.scad
+++ b/testdata/scad/features/difference-tests.scad
@@ -28,3 +28,8 @@ translate([24,0,0]) difference() {
   cube([10,10,10], center=true);
   translate([0,0,6.99]) cylinder(r=4, h=4, center=true);
 }
+
+translate([24,12,0]) difference() {
+  cube([0,10,10], center=true);
+  # cylinder(r=4, h=20, center=true);
+}
-- 
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