frankfurter/spec/roundable_spec.rb

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# frozen_string_literal: true
require_relative 'helper'
require 'roundable'
describe Roundable do
include Roundable
it 'rounds values over 5,000 to zero decimal places' do
round(5000.123456).must_equal 5000.0
end
it 'rounds values over 80 and below 5,000 to two decimal places' do
round(80.123456).must_equal 80.12
round(4999.123456).must_equal 4999.12
end
it 'rounds values over 20 and below 80 to three decimal places' do
round(79.123456).must_equal 79.123
round(20.123456).must_equal 20.123
end
it 'rounds values over 1 and below 20 to four decimal places' do
round(19.123456).must_equal 19.1235
round(1.123456).must_equal 1.1235
end
it 'rounds values below 1 to five decimal places' do
round(0.123456).must_equal 0.12346
end
end