From f1eda43ac0c116122f873ffa60bd393f672cc4d5 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Sat, 22 Jun 2019 13:48:47 +0800
Subject: [PATCH] add test case

---
 test/matrix/test_m_cumulate.scad | 19 +++++++++++++++++++
 test/test_all.scad               |  5 ++++-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 test/matrix/test_m_cumulate.scad

diff --git a/test/matrix/test_m_cumulate.scad b/test/matrix/test_m_cumulate.scad
new file mode 100644
index 00000000..52ffbd3d
--- /dev/null
+++ b/test/matrix/test_m_cumulate.scad
@@ -0,0 +1,19 @@
+
+module test_m_cumulate() {
+    echo("==== test_m_cumulate ====");
+
+    include <unittest.scad>;
+    include <matrix/m_rotation.scad>;
+    include <matrix/m_scaling.scad>;
+    include <matrix/m_translation.scad>;
+    include <matrix/m_cumulate.scad>;
+
+    expected = [[1, -1.73205, 0, 10], [1.73205, 1, 0, 20], [0, 0, 2, 10], [0, 0, 0, 1]];
+    actual = m_cumulate([
+        m_translation([10, 20, 10]), m_scaling(2), m_rotation(60)]
+    );
+    
+    assertEqualPoints(expected, actual);
+}
+
+test_m_cumulate();
\ No newline at end of file
diff --git a/test/test_all.scad b/test/test_all.scad
index 9435c942..1d6c4103 100644
--- a/test/test_all.scad
+++ b/test/test_all.scad
@@ -71,4 +71,7 @@ include <pixel/test_px_line.scad>;
 include <pixel/test_px_polyline.scad>;
 include <pixel/test_px_circle.scad>;
 include <pixel/test_px_cylinder.scad>;
-include <pixel/test_px_sphere.scad>;
\ No newline at end of file
+include <pixel/test_px_sphere.scad>;
+
+// Matrix
+include <matrix/test_m_cumulate>;
\ No newline at end of file