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#
#   http://www.apache.org/licenses/LICENSE-2.0
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class TestScalarDatum < Test::Unit::TestCase
  include Helper::Buildable

  def setup
    @scalar = Arrow::BooleanScalar.new(true)
    @datum = Arrow::ScalarDatum.new(@scalar)
  end

  def test_array?
    assert do
      not @datum.array?
    end
  end

  def test_array_like?
    assert do
      not @datum.array_like?
    end
  end

  def test_scalar?
    assert do
      @datum.scalar?
    end
  end

  def test_value?
    assert do
      @datum.value?
    end
  end

  sub_test_case("==") do
    def test_true
      assert_equal(Arrow::ScalarDatum.new(@scalar),
                   Arrow::ScalarDatum.new(@scalar))
    end

    def test_false
      assert_not_equal(@datum,
                       Arrow::ArrayDatum.new(build_boolean_array([true, false])))
    end
  end

  def test_to_string
    assert_equal("Scalar", @datum.to_s)
  end

  def test_value
    assert_equal(@scalar, @datum.value)
  end
end