Sha256: c7f76b709fb3fd52c9a0eae97b7f13a3c9f284bb262dbf80ed039161bf6cd54b
Contents?: true
Size: 577 Bytes
Versions: 16
Compression:
Stored size: 577 Bytes
Contents
describe Integer, "#kynea?" do
# http://www.research.att.com/~njas/sequences/A093069
KYNEA = [7,23,79,287,1087,4223,16639,66047,263167,1050623,
4198399,16785407,67125247,268468223,1073807359,
4295098367,17180131327,68720001023,274878955519,
1099513724927,4398050705407,17592194433023]
it "returns true for Kynea numbers" do
KYNEA.each do |number|
number.should be_kynea
end
end
it "returns false for non-Kynea numbers" do
((1..300).to_a - KYNEA).each do |number|
number.should_not be_kynea
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems