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#
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class TestGandivaIfNode < Test::Unit::TestCase
  def setup
    omit("Gandiva is required") unless defined?(::Gandiva)
    field1 = Arrow::Field.new("field1", Arrow::Int32DataType.new)
    field2 = Arrow::Field.new("field2", Arrow::Int32DataType.new)
    @then_node = Gandiva::FieldNode.new(field1)
    @else_node = Gandiva::FieldNode.new(field2)
    @return_type = Arrow::Int32DataType.new
    @condition_node = Gandiva::FunctionNode.new("greater_than",
                                                [@then_node, @else_node],
                                                @return_type)
    @if_node = Gandiva::IfNode.new(@condition_node,
                                   @then_node,
                                   @else_node,
                                   @return_type)
  end

  def test_readers
    assert_equal([
                   @condition_node,
                   @then_node,
                   @else_node,
                   @return_type
                 ],
                 [
                   @if_node.condition_node,
                   @if_node.then_node,
                   @if_node.else_node,
                   @if_node.return_type
                 ])
  end
end