require 'abstract_unit' require 'active_support/core_ext/big_decimal' class BigDecimalTest < ActiveSupport::TestCase def test_to_s bd = BigDecimal.new '0.01' assert_equal '0.01', bd.to_s assert_equal '+0.01', bd.to_s('+F') assert_equal '+0.0 1', bd.to_s('+1F') end end