Sha256: 7a22961777c4cd075d09e91d11d2d42aafec1ca576adbaef8d3ed8fd47234a2a

Contents?: true

Size: 588 Bytes

Versions: 20

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Stored size: 588 Bytes

Contents

describe Integer, "#leonardo?" do
  # A001595
  @seq = [1,1,3,5,9,15,25,41,67,109,177,287,465,753,1219,
          1973,3193,5167,8361,13529,21891,35421,57313,92735,
          150049,242785,392835,635621,1028457,1664079,
          2692537,4356617,7049155,11405773,18454929,
          29860703,48315633,78176337].uniq.to_seq

  @seq.each do |n|
    it "should return true for Leonardo number #{n}" do
      n.should be_leonardo
    end
  end

  @seq.invert.sample(10).each do |n|
    it "should return false for non-Leonardo number #{n}" do
      n.should_not be_leonardo
    end
  end
end

Version data entries

20 entries across 20 versions & 1 rubygems

Version Path
numb-0.186.0 spec/numb/leonardo_spec.rb
numb-0.185.0 spec/numb/leonardo_spec.rb
numb-0.184.0 spec/numb/leonardo_spec.rb
numb-0.181.0 spec/numb/leonardo_spec.rb
numb-0.170.0 spec/numb/leonardo_spec.rb
numb-0.152.0 spec/numb/leonardo_spec.rb
numb-0.138.0 spec/numb/leonardo_spec.rb
numb-0.125.0 spec/numb/leonardo_spec.rb
numb-0.114.0 spec/numb/leonardo_spec.rb
numb-0.111.0 spec/numb/leonardo_spec.rb
numb-0.109.0 spec/numb/leonardo_spec.rb
numb-0.99.0 spec/numb/leonardo_spec.rb
numb-0.96.0 spec/numb/leonardo_spec.rb
numb-0.89.0 spec/numb/leonardo_spec.rb
numb-0.84.0 spec/leonardo_spec.rb
numb-0.77.0 spec/leonardo_spec.rb
numb-0.72.1 spec/leonardo_spec.rb
numb-0.72.0 spec/leonardo_spec.rb
numb-0.68.0 spec/leonardo_spec.rb
numb-0.63.0 spec/leonardo_spec.rb