c_glib/test/test-round-binary-options.rb

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class TestRoundBinaryOptions < Test::Unit::TestCase
  include Helper::Buildable

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

  def test_mode
    assert_equal(Arrow::RoundMode::HALF_TO_EVEN, @options.mode)
    @options.mode = :down
    assert_equal(Arrow::RoundMode::DOWN, @options.mode)
  end

  def test_round_binary_function
    args = [
      Arrow::ArrayDatum.new(build_double_array([5.0])),
      Arrow::ArrayDatum.new(build_int32_array([-1])),
    ]
    @options.mode = :half_towards_zero
    round_binary_function = Arrow::Function.find("round_binary")
    result = round_binary_function.execute(args, @options).value
    expected = build_double_array([0.0])
    assert_equal(expected, result)
  end
end