From c400843cb2aaf08ba549413bd0da3db848a15387 Mon Sep 17 00:00:00 2001
From: Garth Minette <gminette@gmail.com>
Date: Wed, 23 Sep 2020 19:38:22 -0700
Subject: [PATCH] Added regressions for vnf_centroid() and vnf_volume()

---
 tests/test_vnf.scad | 19 +++++++++++++++++++
 version.scad        |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/tests/test_vnf.scad b/tests/test_vnf.scad
index 753803c..6e1131a 100644
--- a/tests/test_vnf.scad
+++ b/tests/test_vnf.scad
@@ -65,6 +65,25 @@ module test_vnf_add_faces() {
 test_vnf_add_faces();
 
 
+module test_vnf_centroid() {
+    assert_approx(vnf_centroid(cube(100, center=false)), [50,50,50]);
+    assert_approx(vnf_centroid(cube(100, center=true)), [0,0,0]);
+    assert_approx(vnf_centroid(cube(100, anchor=ALLPOS)), [-50,-50,-50]);
+    assert_approx(vnf_centroid(cube(100, anchor=BOT)), [0,0,50]);
+    assert_approx(vnf_centroid(cube(100, anchor=TOP)), [0,0,-50]);
+    assert_approx(vnf_centroid(sphere(d=100, anchor=CENTER, $fn=36)), [0,0,0]);
+    assert_approx(vnf_centroid(sphere(d=100, anchor=BOT, $fn=36)), [0,0,50]);
+}
+test_vnf_centroid();
+
+
+module test_vnf_volume() {
+    assert_approx(vnf_volume(cube(100, center=false)), 1000000);
+    assert(approx(vnf_volume(sphere(d=100, anchor=BOT, $fn=144)), 4/3*PI*pow(50,3), eps=1e3));
+}
+test_vnf_volume();
+
+
 module test_vnf_merge() {
     vnf1 = vnf_add_face(pts=[[-1,-1,-1],[1,-1,-1],[0,1,-1]]);
     vnf2 = vnf_add_face(pts=[[1,1,1],[-1,1,1],[0,1,-1]]);
diff --git a/version.scad b/version.scad
index e03aa50..78f2ad2 100644
--- a/version.scad
+++ b/version.scad
@@ -8,7 +8,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,426];
+BOSL_VERSION = [2,0,427];
 
 
 // Section: BOSL Library Version Functions