From a20c08b8cea3832a8c99eeecc8d3f66cdbb6c85d Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Fri, 2 Sep 2011 14:38:27 +0200
Subject: Added difference-tests


diff --git a/testdata/scad/features/difference-tests.scad b/testdata/scad/features/difference-tests.scad
index f945246..cc508a5 100644
--- a/testdata/scad/features/difference-tests.scad
+++ b/testdata/scad/features/difference-tests.scad
@@ -1,4 +1,25 @@
 difference() {
-  sphere(3);
-  cube([3,3,8], center=true);
+  cube([10,10,10], center=true);
+  cylinder(r=4, h=20, center=true);
+}
+
+translate([12,0,0]) difference() {
+  cube([10,10,10], center=true);
+  cylinder(r=4, h=10, center=true);
+}
+
+translate([0,12,0]) difference() {
+  cube([10,10,10], center=true);
+  cylinder(r=4, h=11, center=true);
+  rotate([0,90,0]) cylinder(r=4, h=11, center=true);
+}
+
+translate([12,12,0]) difference() {
+  cube([10,10,10], center=true);
+  translate([0,0,7]) cylinder(r=4, h=4, center=true);
+}
+
+translate([24,0,0]) difference() {
+  cube([10,10,10], center=true);
+  translate([0,0,6.99]) cylinder(r=4, h=4, center=true);
 }
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 109b69f..26533af 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -207,7 +207,8 @@ LIST(APPEND CGALPNGTEST_FILES
             ${CMAKE_SOURCE_DIR}/../testdata/scad/features/cube-tests.scad
             ${CMAKE_SOURCE_DIR}/../testdata/scad/features/sphere-tests.scad
             ${CMAKE_SOURCE_DIR}/../testdata/scad/features/cylinder-tests.scad
-            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/union-tests.scad)
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/union-tests.scad
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/difference-tests.scad)
 #LIST(APPEND CGALPNGTEST_FILES ${CMAKE_SOURCE_DIR}/../examples/example001.scad)
 add_cmdline_test(cgalpngtest png ${CGALPNGTEST_FILES})
 
diff --git a/tests/regression/cgalpngtest/difference-tests-expected.png b/tests/regression/cgalpngtest/difference-tests-expected.png
new file mode 100644
index 0000000..e672c48
Binary files /dev/null and b/tests/regression/cgalpngtest/difference-tests-expected.png differ
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