Sha256: cb644b68405e6fd5196a1a1b75642411ce7db5d2fbc591a6aec7af4fa71e8700
Contents?: true
Size: 550 Bytes
Versions: 13
Compression:
Stored size: 550 Bytes
Contents
describe Integer, "#perrin?" do
# A001608
@seq = [3,0,2,3,2,5,5,7,10,12,17,22,29,39,51,68,90,119,
158,209,277,367,486,644,853,1130,1497,1983,2627,
3480,4610,6107,8090,10717,14197,18807,24914,33004,
43721,57918,76725,101639,134643,178364,236282,
313007]
@seq.each do |n|
it "returns true for Perrin number #{n}" do
n.should be_perrin
end
end
@seq.to_seq.invert.sample(100).each do |n|
it "returns false for non-Perrin number #{n}" do
n.should_not be_perrin
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems