Sha256: 95f97d505792ac6114b52e53e24987d41eb8f117da61bb6294bbdba802045b15
Contents?: true
Size: 570 Bytes
Versions: 11
Compression:
Stored size: 570 Bytes
Contents
describe Integer, "#lychrel?" do
# A023108
@seq = [196,295,394,493,592,689,691,788,790,879,887,978,
986,1495,1497,1585,1587,1675,1677,1765,1767,1855,
1857,1945,1947,1997,2494,2496,2584,2586,2674,2676,
2764,2766,2854,2856,2944,2946,2996,3493,3495,3583,
3585,3673,3675]
@seq.each do |n|
it "returns true for Lychrel number #{n}" do
n.should be_lychrel
end
end
@seq.to_seq.invert.sample(100).each do |n|
it "returns false for non-Lychrel number #{n}" do
n.should_not be_lychrel
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems