Sha256: ea586155621bebd27aa9a3ca4127a9ccf30c8c66a22ef446fbe0e9565763e70c
Contents?: true
Size: 735 Bytes
Versions: 12
Compression:
Stored size: 735 Bytes
Contents
describe Integer, "achilles?" do
ACHILLES = [72,108,200,288,392,432,500,648,675,800,864,968,
972,1125,1152,1323,1352,1372,1568,1800,1944,2000,
2312,2592,2700,2888,3087,3200,3267,3456,3528,3872,
3888,4000,4232,4500,4563,4608,5000,5292,5324,5400,
5408,5488]
it "returns true for Achilles numbers" do
ACHILLES.each do |number|
number.should be_achilles
end
end
it "returns false for non-Achilles numbers" do
((1..5487).to_a - ACHILLES).shuffle.first(10).each do |number|
number.should_not be_achilles
end
end
it "returns false for negative numbers" do
(1..5487).each do |number|
(-number).should_not be_achilles
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems