File: minus_spec.rb

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require_relative '../../spec_helper'
require_relative 'shared/arithmetic_exception_in_coerce'

describe "Float#-" do
  it_behaves_like :float_arithmetic_exception_in_coerce, :-

  it "returns self minus other" do
    (9_237_212.5280 - 5_280).should be_close(9231932.528, TOLERANCE)
    (2_560_496.1691 - bignum_value).should be_close(-18446744073706991616.0, TOLERANCE)
    (5.5 - 5.5).should be_close(0.0,TOLERANCE)
  end
end