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#
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class TestEqualOptions < Test::Unit::TestCase
  include Helper::Buildable

  sub_test_case("approx") do
    def setup
      @options = Arrow::EqualOptions.new
    end

    def test_accessor
      assert do
        not @options.approx?
      end
      @options.approx = true
      assert do
        @options.approx?
      end
    end

    def test_compare
      array1 = build_float_array([0.01])
      array2 = build_float_array([0.010001])
      @options.approx = true
      assert do
        array1.equal_options(array2, @options)
      end
    end
  end

  sub_test_case("nans-equal") do
    def setup
      @options = Arrow::EqualOptions.new
    end

    def test_accessor
      assert do
        not @options.nans_equal?
      end
      @options.nans_equal = true
      assert do
        @options.nans_equal?
      end
    end

    def test_compare
      array1 = build_float_array([0.1, Float::NAN, 0.2])
      array2 = build_float_array([0.1, Float::NAN, 0.2])
      @options.nans_equal = true
      assert do
        array1.equal_options(array2, @options)
      end
    end
  end

  sub_test_case("absolute-tolerance") do
    def setup
      @options = Arrow::EqualOptions.new
    end

    def test_accessor
      assert do
        @options.absolute_tolerance < 0.001
      end
      @options.absolute_tolerance = 0.001
      assert do
        @options.absolute_tolerance >= 0.001
      end
    end

    def test_compare
      array1 = build_float_array([0.01])
      array2 = build_float_array([0.0109])
      @options.approx = true
      @options.absolute_tolerance = 0.001
      assert do
        array1.equal_options(array2, @options)
      end
    end
  end
end