Sha256: 008de5cab7fa4d4dd9e4ad937929d88af5ca48fea6ee40945c8510f4ebd3b0f0
Contents?: true
Size: 584 Bytes
Versions: 20
Compression:
Stored size: 584 Bytes
Contents
describe Integer, "#balanced_prime?" do
# A006562
@seq = [5,53,157,173,211,257,263,373,563,593,607,653,733,
947,977,1103,1123,1187,1223,1367,1511,1747,1753,
1907,2287,2417,2677,2903,2963,3307,3313,3637,3733,
4013,4409,4457,4597,4657,4691,4993,5107,5113,5303,
5387,5393].to_seq
@seq.each do |n|
it "returns true for balanced prime #{n}" do
n.should be_balanced_prime
end
end
@seq.invert.sample(20).each do |n|
it "returns false for non-balanced-prime #{n}" do
n.should_not be_balanced_prime
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems