Sha256: 55fff86f31daefac2d889542f92a4c93906269c0d3b395298e4b26dca6d319ee
Contents?: true
Size: 520 Bytes
Versions: 10
Compression:
Stored size: 520 Bytes
Contents
describe Integer, "#bell?" do # A000110 @seq = [1,1,2,5,15,52,203,877,4140,21147,115975,678570, 4213597,27644437,190899322,1382958545,10480142147, 82864869804,682076806159,5832742205057, 51724158235372,474869816156751,4506715738447323].uniq @seq.each do |n| it "returns true for Bell number #{n}" do n.should be_bell end end @seq.to_seq.invert.sample(100).each do |n| it "returns false for non-Bell number #{n}" do n.should_not be_bell end end end
Version data entries
10 entries across 10 versions & 1 rubygems