removed CvRect#or, implemented CvRect.max_rect instead of CvRect#or, and added some tests for CvRect

test/test_cvrect.rb

@@ -0,0 +1,138 @@
+#!/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::CvRect
+class TestCvRect < OpenCVTestCase
+  class MyRect; end
+
+  def test_x
+    rect = CvRect.new
+    rect.x = 100
+    assert_equal(100, rect.x)
+    rect.x = 200
+    assert_equal(200, rect.x)
+  end
+
+  def test_y
+    rect = CvRect.new
+    rect.y = 100
+    assert_equal(100, rect.y)
+    rect.y = 200
+    assert_equal(200, rect.y)
+  end
+
+  def test_width
+    rect = CvRect.new
+    rect.width = 100
+    assert_equal(100, rect.width)
+    rect.width = 200
+    assert_equal(200, rect.width)
+  end
+
+  def test_height
+    rect = CvRect.new
+    rect.height = 100
+    assert_equal(100, rect.height)
+    rect.height = 200
+    assert_equal(200, rect.height)
+  end
+
+  def test_compatible
+    assert(!(CvRect.compatible? MyRect.new))
+    MyRect.class_eval { def x; end }
+    assert(!(CvRect.compatible? MyRect.new))
+    MyRect.class_eval { def y; end }
+    assert(!(CvRect.compatible? MyRect.new))
+    MyRect.class_eval { def width; end }
+    assert(!(CvRect.compatible? MyRect.new))
+    MyRect.class_eval { def height; end }
+    assert(CvRect.compatible? MyRect.new)
+    assert(CvRect.compatible? CvRect.new)
+  end
+
+  def test_initialize
+    rect = CvRect.new
+    assert_equal(0, rect.x)
+    assert_equal(0, rect.y)
+    assert_equal(0, rect.width)
+    assert_equal(0, rect.height)
+
+    rect = CvRect.new(10, 20, 30, 40)
+    assert_equal(10, rect.x)
+    assert_equal(20, rect.y)
+    assert_equal(30, rect.width)
+    assert_equal(40, rect.height)
+
+    rect = CvRect.new(CvRect.new(10, 20, 30, 40))
+    assert_equal(10, rect.x)
+    assert_equal(20, rect.y)
+    assert_equal(30, rect.width)
+    assert_equal(40, rect.height)
+
+    assert_raise(ArgumentError) {
+      CvRect.new('string')
+    }
+    assert_raise(ArgumentError) {
+      CvRect.new(1, 2, 3)
+    }
+  end
+
+  def test_center
+    center = CvRect.new(10, 20, 35, 45).center
+    assert_in_delta(27.5, center.x, 0.01)
+    assert_in_delta(42.5, center.y, 0.01)
+  end
+
+  def test_points
+    points = CvRect.new(10, 20, 35, 45).points
+    assert_equal(4, points.size)
+    assert_in_delta(10, points[0].x, 0.01)
+    assert_in_delta(20, points[0].y, 0.01)
+    assert_in_delta(10, points[1].x, 0.01)
+    assert_in_delta(65, points[1].y, 0.01)
+    assert_in_delta(45, points[2].x, 0.01)
+    assert_in_delta(65, points[2].y, 0.01)
+    assert_in_delta(45, points[3].x, 0.01)
+    assert_in_delta(20, points[3].y, 0.01)
+  end
+
+  def test_top_left
+    tl = CvRect.new(10, 20, 35, 45).top_left
+    assert_equal(10, tl.x)
+    assert_equal(20, tl.y)
+  end
+
+  def test_top_right
+    tr = CvRect.new(10, 20, 35, 45).top_right
+    assert_equal(45, tr.x)
+    assert_equal(20, tr.y)
+  end
+
+  def test_bottom_left
+    bl = CvRect.new(10, 20, 35, 45).bottom_left
+    assert_equal(10, bl.x)
+    assert_equal(65, bl.y)
+  end
+
+  def test_bottom_right
+    br = CvRect.new(10, 20, 35, 45).bottom_right
+    assert_equal(45, br.x)
+    assert_equal(65, br.y)
+  end
+
+  def test_max_rect
+    rect1 = CvRect.new(10, 20, 30, 40)
+    rect2 = CvRect.new(30, 40, 70, 80)
+    rect3 = CvRect.max_rect(rect1, rect2)
+    assert_equal(10, rect3.x)
+    assert_equal(20, rect3.y)
+    assert_equal(90, rect3.width)
+    assert_equal(100, rect3.height)
+  end
+end
+