From 9d142221c633c13e756cdb636c1e8aa9fcd4e2a9 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Fri, 26 May 2017 09:00:43 +0800
Subject: [PATCH] considered length first

---
 src/unittest.scad | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/unittest.scad b/src/unittest.scad
index 871a4530..8d949e77 100644
--- a/src/unittest.scad
+++ b/src/unittest.scad
@@ -52,7 +52,16 @@ module assertEqualPoint(expected, actual) {
 }
 
 module assertEqualPoints(expected, actual) {
-    for(i = [0:len(actual) - 1]) {        
-        assertEqualPoint(expected[i], actual[i]);
+    leng_expected = len(expected);
+    leng_actual = len(actual);
+    if(leng_expected != leng_actual) {
+         fail(
+            str("expected length: ", leng_expected,
+            ", but: ", leng_actual)
+        );       
+    } else {
+        for(i = [0:len(actual) - 1]) {        
+            assertEqualPoint(expected[i], actual[i]);
+        }
     }
 }
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