Sha256: 269bf0a082a31e6a92e257f9609b23605d7478040d0379c906f52244029ab982
Contents?: true
Size: 572 Bytes
Versions: 20
Compression:
Stored size: 572 Bytes
Contents
describe Integer, "#dodecagonal?" do
# A051624
@seq = [0,1,12,33,64,105,156,217,288,369,460,561,672,793,
924,1065,1216,1377,1548,1729,1920,2121,2332,2553,
2784,3025,3276,3537,3808,4089,4380,4681,4992,5313,
5644,5985,6336,6697,7068,7449,7840,8241,8652].to_seq
@seq.sample(10).each do |n|
it "returns true for dodecagonal number #{n}" do
n.should be_dodecagonal
end
end
@seq.invert.sample(10).each do |n|
it "returns false for non-dodecagonal number #{n}" do
n.should_not be_dodecagonal
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems