1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
require_relative '../../spec_helper'
require 'bigdecimal'
describe "BigDecimal#to_r" do
it "returns a Rational" do
BigDecimal("3.14159").to_r.should be_kind_of(Rational)
end
it "returns a Rational with bignum values" do
r = BigDecimal("3.141592653589793238462643").to_r
r.numerator.should eql(3141592653589793238462643)
r.denominator.should eql(1000000000000000000000000)
end
it "returns a Rational from a BigDecimal with an exponent" do
r = BigDecimal("1E2").to_r
r.numerator.should eql(100)
r.denominator.should eql(1)
end
it "returns a Rational from a negative BigDecimal with an exponent" do
r = BigDecimal("-1E2").to_r
r.numerator.should eql(-100)
r.denominator.should eql(1)
end
end
|
