ruby/red-arrow/test/test-decimal256-array.rb

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class Decimal256ArrayTest < Test::Unit::TestCase
  sub_test_case(".new") do
    test("build") do
      values = [
        10.1,
        nil,
        "10.1",
        BigDecimal("10.1"),
        BigDecimal("1.11"),
        BigDecimal("1"),
      ]
      array = Arrow::Decimal256Array.new({precision: 3, scale: 1}, values)
      assert_equal([
                     BigDecimal("10.1"),
                     nil,
                     BigDecimal("10.1"),
                     BigDecimal("10.1"),
                     BigDecimal("1.1"),
                     BigDecimal("1"),
                   ],
                   array.to_a)
    end
  end

  def test_zero
    array = Arrow::Decimal256Array.new({precision: 38, scale: 9},
                                       [BigDecimal("0")])
    assert_equal(BigDecimal("0"), array[0])
  end
end