fixed CvPoint2D32f, CvPoint3D32f, and added some tests for them

test/test_cvpoint3d32f.rb

@@ -0,0 +1,84 @@
+#!/usr/bin/env ruby
+# -*- mode: ruby; coding: utf-8-unix -*- 
+require 'test/unit'
+require 'opencv'
+require File.expand_path(File.dirname(__FILE__)) + '/helper'
+
+include OpenCV
+
+# Tests for OpenCV::CvPoint3D32f
+class TestCvPoint3D32f < OpenCVTestCase
+  class MyPoint; end
+  def test_x
+    point = CvPoint3D32f.new
+    point.x = 1.1
+    assert_in_delta(1.1, point.x, 0.001)
+    point.x = 2.2
+    assert_in_delta(2.2, point.x, 0.001)
+  end
+
+  def test_y
+    point = CvPoint3D32f.new
+    point.y = 1.1
+    assert_in_delta(1.1, point.y, 0.001)
+    point.y = 2.2
+    assert_in_delta(2.2, point.y, 0.001)
+  end
+
+  def test_z
+    point = CvPoint3D32f.new
+    point.z = 1.1
+    assert_in_delta(1.1, point.z, 0.001)
+    point.z = 2.2
+    assert_in_delta(2.2, point.z, 0.001)
+  end
+  
+  def test_compatible
+    assert(!(CvPoint3D32f.compatible? MyPoint.new))
+    MyPoint.class_eval { def x; end }
+    assert(!(CvPoint3D32f.compatible? MyPoint.new))
+    MyPoint.class_eval { def y; end }
+    assert(!(CvPoint3D32f.compatible? MyPoint.new))
+    MyPoint.class_eval { def z; end }
+    assert(CvPoint3D32f.compatible? MyPoint.new)
+    assert(CvPoint3D32f.compatible? CvPoint3D32f.new)
+  end
+
+  def test_initialize
+    point = CvPoint3D32f.new
+    assert_in_delta(0, point.x, 0.001)
+    assert_in_delta(0, point.y, 0.001)
+    assert_in_delta(0, point.z, 0.001)
+
+    point = CvPoint3D32f.new(1.1, 2.2, 3.3)
+    assert_in_delta(1.1, point.x, 0.001)
+    assert_in_delta(2.2, point.y, 0.001)
+    assert_in_delta(3.3, point.z, 0.001)
+
+    point = CvPoint3D32f.new(CvPoint3D32f.new(1.1, 2.2, 3.3))
+    assert_in_delta(1.1, point.x, 0.001)
+    assert_in_delta(2.2, point.y, 0.001)
+    assert_in_delta(3.3, point.z, 0.001)
+
+    assert_raise(ArgumentError) {
+      CvPoint3D32f.new('string')
+    }
+    assert_raise(ArgumentError) {
+      CvPoint3D32f.new(1, 2)
+    }
+  end
+
+  def test_to_s
+    point = CvPoint3D32f.new(1.1, 2.2, 3.3)
+    assert_equal('<OpenCV::CvPoint3D32f:(1.1,2.2,3.3)>', point.to_s)
+  end
+
+  def test_to_ary
+    a = CvPoint3D32f.new(1.1, 2.2, 3.3).to_ary
+    assert_in_delta(1.1, a[0], 0.001)
+    assert_in_delta(2.2, a[1], 0.001)
+    assert_in_delta(3.3, a[2], 0.001)
+  end
+end
+
+