Sha256: 0d3f7921924e13a342bc1486f7ca0a25cfccb4fc34ca947a95bae7187f165a7a
Contents?: true
Size: 700 Bytes
Versions: 20
Compression:
Stored size: 700 Bytes
Contents
describe Integer, "#equidigital?" do
# A046758
@seq = [1,2,3,5,7,10,11,13,14,15,16,17,19,21,23,25,27,29,
31,32,35,37,41,43,47,49,53,59,61,64,67,71,73,79,
81,83,89,97,101,103,105,106,107,109,111,112,113,
115,118,119,121,122,123,127,129,131,133,134,135,
137,139].to_seq
@seq.each do |n|
it "returns true for equidigital number #{n}" do
n.should be_equidigital
end
end
@seq.invert.sample(10).each do |n|
it "returns false for non-equidigital number #{n}" do
n.should_not be_equidigital
end
end
[193, 197, 199].each do |n|
it "returns true for prime number #{n}" do
n.should be_equidigital
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems