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16 lines
1.1 KiB
Ruby
16 lines
1.1 KiB
Ruby
require_relative '../../spec_helper'
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describe :rational_to_f, shared: true do
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it "returns self converted to a Float" do
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Rational(3, 4).to_f.should eql(0.75)
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Rational(3, -4).to_f.should eql(-0.75)
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Rational(-1, 4).to_f.should eql(-0.25)
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Rational(-1, -4).to_f.should eql(0.25)
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end
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it "converts to a Float for large numerator and denominator" do
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num = 1000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146010000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146010000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146009
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den = 2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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Rational(num, den).to_f.should == 500.0
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end
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end
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