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ruby-opencv/test/test_cvhumoments.rb
2011-03-06 22:58:34 +09:00

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2.5 KiB
Ruby
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#!/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::CvHuMoment
class TestCvHuMoments < OpenCVTestCase
def setup
@mat = create_cvmat(128, 128, :cv8u, 1) { |j, i|
if j >= 32 and j < 96 and i >= 16 and i < 112
CvScalar.new(0)
elsif j >= 16 and j < 112 and i >= 16 and i < 112
CvScalar.new(128)
else
CvScalar.new(255)
end
}
@moment1 = CvMoments.new
@moment2 = CvMoments.new(nil, true)
@moment3 = CvMoments.new(@mat)
@moment4 = CvMoments.new(@mat, true)
@hu_moments1 = CvHuMoments.new(@moment1)
@hu_moments2 = CvHuMoments.new(@moment2)
@hu_moments3 = CvHuMoments.new(@moment3)
@hu_moments4 = CvHuMoments.new(@moment4)
end
def test_initialize
[@hu_moments1, @hu_moments2, @hu_moments3, @hu_moments4].each { |m|
assert_not_nil(m)
assert_equal(CvHuMoments, m.class)
}
assert_raise(TypeError) {
CvHuMoments.new('foo')
}
end
def test_huX
hu_moments = [@hu_moments1.hu1, @hu_moments1.hu2, @hu_moments1.hu3, @hu_moments1.hu4,
@hu_moments1.hu5, @hu_moments1.hu6, @hu_moments1.hu7]
hu_moments.each { |hu|
assert_in_delta(0.0, hu, 0.000001)
}
hu_moments = [@hu_moments2.hu1, @hu_moments2.hu2, @hu_moments2.hu3, @hu_moments2.hu4,
@hu_moments2.hu5, @hu_moments2.hu6, @hu_moments2.hu7]
hu_moments.each { |hu|
assert_in_delta(0.0, hu, 0.000001)
}
hu_moments = [@hu_moments3.hu2, @hu_moments3.hu3, @hu_moments3.hu4,
@hu_moments3.hu5, @hu_moments3.hu6, @hu_moments3.hu7]
assert_in_delta(0.001771, @hu_moments3.hu1, 0.000001)
hu_moments.each { |hu|
assert_in_delta(0.0, hu, 0.000001)
}
hu_moments = [@hu_moments4.hu3, @hu_moments4.hu4,
@hu_moments4.hu5, @hu_moments4.hu6, @hu_moments4.hu7]
assert_in_delta(0.361650, @hu_moments4.hu1, 0.000001)
assert_in_delta(0.000625, @hu_moments4.hu2, 0.000001)
hu_moments.each { |hu|
assert_in_delta(0.0, hu, 0.000001)
}
end
def test_to_ary
[@hu_moments4.to_ary, @hu_moments4.to_a].each { |hu_moments|
assert_equal(7, hu_moments.size)
assert_in_delta(0.361650, hu_moments[0], 0.000001)
assert_in_delta(0.000625, hu_moments[1], 0.000001)
hu_moments[2..7].each { |hu|
assert_in_delta(0.0, hu, 0.000001)
}
}
end
end