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class TestGandivaNullLiteralNode < Test::Unit::TestCase
  def setup
    omit("Gandiva is required") unless defined?(::Gandiva)
  end

  def test_invalid_type
    return_type = Arrow::NullDataType.new
    message =
      "[gandiva][null-literal-node][new] " +
      "failed to create: <#{return_type}>"
    assert_raise(Arrow::Error::Invalid.new(message)) do
      Gandiva::NullLiteralNode.new(return_type)
    end
  end

  def test_return_type
    return_type = Arrow::BooleanDataType.new
    literal_node = Gandiva::NullLiteralNode.new(return_type)
    assert_equal(return_type, literal_node.return_type)
  end
end