Ruby » Backport21

# 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