#!/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::CvContourTree class TestCvContourTree < OpenCVTestCase def setup @tree = CvContourTree.new(CvPoint) end def test_initialize tree = CvContourTree.new(CvPoint) assert_equal(CvContourTree, tree.class) assert(tree.is_a? CvSeq) end def test_p1 assert_equal(CvPoint, @tree.p1.class) end def test_p2 assert_equal(CvPoint, @tree.p2.class) end def test_contour mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i| (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black } contour = mat0.find_contours tree = contour.create_tree contour = tree.contour(CvTermCriteria.new(100, 0.01)) assert_equal(CvContour, contour.class) assert_raise(CvStsBadArg) { tree.contour(CvTermCriteria.new(0, 0)) } end end