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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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class TestVarianceOptions < Test::Unit::TestCase
  include Helper::Buildable

  def setup
    @options = Arrow::VarianceOptions.new
  end

  def test_ddof
    assert_equal(0, @options.ddof)
    @options.ddof = 1
    assert_equal(1, @options.ddof)
  end

  def test_skip_nulls
    assert do
      @options.skip_nulls?
    end
    @options.skip_nulls = false
    assert do
      not @options.skip_nulls?
    end
  end

  def test_min_count
    assert_equal(0, @options.min_count)
    @options.min_count = 1
    assert_equal(1, @options.min_count)
  end
end