From 920509c3f1cc04e331d4d50259e10fcd4bb2ea39 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Thu, 10 Mar 2022 20:40:06 +0800
Subject: [PATCH] add test

---
 src/polyhedron_hull.scad       |  7 ++++++-
 test/test_all.scad             |  1 +
 test/test_polyhedron_hull.scad | 21 +++++++++++++++++++++
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 test/test_polyhedron_hull.scad

diff --git a/src/polyhedron_hull.scad b/src/polyhedron_hull.scad
index 6e5690d7..a22702ba 100644
--- a/src/polyhedron_hull.scad
+++ b/src/polyhedron_hull.scad
@@ -19,6 +19,11 @@ module polyhedron_hull(points, polyhedron_abuse = false) {
     }
     else {
         vts_faces = _convex_hull3(points);
-        polyhedron(vts_faces[0], vts_faces[1]);        
+        polyhedron(vts_faces[0], vts_faces[1]);
+        test_convex_hull3(vts_faces);
     }
+}
+
+module test_convex_hull3(vts_faces) {
+
 }
\ No newline at end of file
diff --git a/test/test_all.scad b/test/test_all.scad
index bf31ead8..3c0fdc9c 100644
--- a/test/test_all.scad
+++ b/test/test_all.scad
@@ -8,6 +8,7 @@ include <test_rounded_cube.scad>;
 include <test_rounded_cylinder.scad>;
 include <test_crystal_ball.scad>;
 include <test_line3d.scad>;
+include <test_polyhedron_hull.scad>;
 
 // Transformation
 include <test_bend.scad>;
diff --git a/test/test_polyhedron_hull.scad b/test/test_polyhedron_hull.scad
new file mode 100644
index 00000000..a23f3e81
--- /dev/null
+++ b/test/test_polyhedron_hull.scad
@@ -0,0 +1,21 @@
+include <polyhedron_hull.scad>;
+
+module test_polyhedron_hull() {
+    echo("==== test_polyhedron_hull ====");
+    polyhedron_hull([
+        [1, 1, 1],
+        [1, 1, 0],
+        [-1, 1, 0],
+        [-1, -1, 0],
+        [1, -1, 0],
+        [0, 0, 1],
+        [0, 0, -1]
+    ]);
+}
+
+
+module test_convex_hull3(vts_faces) {
+    assert(vts_faces ==  [[[-1, -1, 0], [-1, 1, 0], [0, 0, -1], [0, 0, 1], [1, -1, 0], [1, 1, 0], [1, 1, 1]], [[2, 1, 0], [3, 0, 1], [4, 2, 0], [4, 0, 3], [5, 1, 2], [5, 2, 4], [6, 3, 1], [6, 1, 5], [6, 4, 3], [6, 5, 4]]]);
+}
+
+test_polyhedron_hull();
\ No newline at end of file