From 8e0651afd456612dc0cbcec83e11f27dcf216a02 Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Fri, 2 Sep 2011 14:31:56 +0200
Subject: Added union-tests


diff --git a/testdata/scad/features/union-tests.scad b/testdata/scad/features/union-tests.scad
new file mode 100644
index 0000000..718aa8c
--- /dev/null
+++ b/testdata/scad/features/union-tests.scad
@@ -0,0 +1,29 @@
+translate([-12,0,0]) union() {
+  cube([10,10,10]);
+  translate([4,4,8]) cube([2,2,10]);
+}
+
+union() {
+  cube([10,10,10]);
+  translate([0,0,10]) cube([2,2,10]);
+}
+
+translate([12,0,0]) union() {
+  cube([10,10,10]);
+  translate([0,0,11]) cube([2,2,10]);
+}
+
+translate([24,0,0]) union() {
+  cube([10,10,10]);
+  translate([4,4,10]) cube([2,2,10]);
+}
+
+translate([-12,12,0]) union() {
+  cube([10,10,10]);
+  translate([-2,10,10]) cube([2,2,10]);
+}
+
+translate([0,12,0]) union() {
+  cube([10,10,10]);
+  translate([0,10,10]) cube([2,2,10]);
+}
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index bb346a4..109b69f 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -206,7 +206,8 @@ LIST(APPEND CGALPNGTEST_FILES
             ${CMAKE_SOURCE_DIR}/../testdata/scad/features/square-tests.scad
             ${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/cylinder-tests.scad
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/union-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/union-tests-expected.png b/tests/regression/cgalpngtest/union-tests-expected.png
new file mode 100644
index 0000000..c390f42
Binary files /dev/null and b/tests/regression/cgalpngtest/union-tests-expected.png differ
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