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Backport #9305 ยป bigdecimal_spec.rb

kwerle (Kurt Werle), 12/27/2013 06:57 AM

 
# Values are taken from non-shareable code base

require 'bigdecimal'

require 'minitest/autorun'

describe BigDecimal do
before do
@args = {north_south: 700, cam_load: BigDecimal.new("0.9932")}
@max_force = BigDecimal.new "0.344045"
end

it "should have a numerator" do
assert_in_delta @args[:cam_load], 0.9932
end

it "should have a denominator" do
assert_in_delta ((@args[:north_south] * @max_force) / BigDecimal.new('1000.0')), 0.2408315
end

it "should pass float math" do
assert_in_delta 0.9932 / 0.2408315, 4.124045235
end

# This test passes on ruby 2.0 and fails on Ruby 2.1
it "should pass big math" do
assert_in_delta @args[:cam_load] / ((@args[:north_south] * @max_force) / BigDecimal.new('1000.0')), 4.124045235
end
end
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