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Added new method #2

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6 changes: 6 additions & 0 deletions furlong.rb
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Original file line number Diff line number Diff line change
@@ -1,7 +1,13 @@
class Furlong

KM_PER_MILE = 1.60934
FURLONG_PER_KM = 0.201168

def miles_to_kilometers(miles)
miles * KM_PER_MILE
end

def furlongs_to_km(furlongs)
furlongs * FURLONG_PER_KM
end
end
8 changes: 8 additions & 0 deletions furlong_spec.rb
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Expand Up @@ -12,4 +12,12 @@
it "converts a marathon: 26.219 miles to 42.194988 km" do
subject.miles_to_kilometers(26.219).should be_within(0.001).of(42.194988)
end

it "converts 1 furlong to 0.201168 km" do
calculator.furlongs_to_km(1).should be_within(0.0001).of(0.201168)
end

it "converts 15 furlong to 3.01752 km" do
calculator.furlongs_to_km(15).should be_within(0.001).of(3.01752)
end
end