modified some tests

test/test_cvmat.rb

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+#  -*- mode: ruby; coding: utf-8-unix -*- 
+
+require 'test/unit'
+require 'opencv'
+require 'pp'
+require File.expand_path(File.dirname(__FILE__)) + '/test_opencv'
+
+include OpenCV
+
+# Tests for specific OpenCV functions
+class TestCvMat < TestOpenCV
+  def test_avg_sdv
+    m = CvMat.new(1, 8, CV_32F)
+    [2, 4, 4, 4, 5, 5, 7, 9].each_with_index { |v, i|
+      # m[i] = CvScalar.new(v, 0, 0, 0)
+      m[i][0] = v
+    }
+    avg = m.avg
+    assert_in_delta(avg[0], 5.0, 0.01)
+    avg, sdv = m.avg_sdv
+    assert_in_delta(avg[0], 5.0, 0.01)
+    assert_in_delta(sdv[0], 2.0, 0.01)
+  end
+
+end
+
+
+

test/test_preliminary.rb

@@ -4,8 +4,7 @@
 require 'test/unit'
 require 'digest/md5'
 require 'opencv'
-require 'pp'
+require File.expand_path(File.dirname(__FILE__)) + '/test_opencv'
-require_relative 'test_opencv'
 
 include OpenCV