From 6bdaa3a24fc48e9ab05b0fe74fca9be794d0886a Mon Sep 17 00:00:00 2001
From: Tim Park <timfpark@gmail.com>
Date: Mon, 29 Jul 2013 13:17:49 -0700
Subject: [PATCH] combine absDiff and countNonZero tests

---
 test/unit.js | 29 +++++++++++------------------
 1 file changed, 11 insertions(+), 18 deletions(-)

diff --git a/test/unit.js b/test/unit.js
index 863750c..7a5159d 100755
--- a/test/unit.js
+++ b/test/unit.js
@@ -190,17 +190,19 @@ vows.describe('Smoke Tests OpenCV').addBatch({
       }
     }
 
-    , ".absDiff" : function(cv){
-      var mat1 = new cv.Matrix(1,1);
-      mat1.set(0,0, 0);
+    , ".absDiff" : function(cv) {
+      cv.readImage("./examples/mona.png", function(err, im) {
+        cv.readImage("./examples/mona.png", function(err, im2){
+          assert.ok(im);
+          assert.ok(im2);
 
-      var mat2 = new cv.Matrix(1,1);
-      mat2.set(0,0, 1);
+          var diff = new cv.Matrix(im.width(), im.height());
+          diff.absDiff(im, im2);
 
-      var diff = new cv.Matrix(1,1);
-      diff.absDiff(mat1, mat2);
-
-      assert.equal(diff.get(0,0), 1);
+          diff.convertGrayscale();
+          assert.equal(diff.countNonZero(), 0);
+        });
+      });
     }
 
     , ".bitwiseXor" : function(cv) {
@@ -216,15 +218,6 @@ vows.describe('Smoke Tests OpenCV').addBatch({
       assert.equal(xored.get(0,0), 0);
     }
 
-    , ".countNonZero": function(cv) {
-      cv.readImage("./examples/mona.png", function(err, im) {
-          assert.ok(im);
-  
-          im.convertGrayscale();
-          assert.equal(im.countNonZero(), 378000);
-      });
-    }
-
   }