Sha256: c1becd04a0a0cc90d7ed6a34a1566bb97c030547da456f9d70d400d87e506001
Contents?: true
Size: 569 Bytes
Versions: 20
Compression:
Stored size: 569 Bytes
Contents
# coding: utf-8
describe Integer, "#d?" do
# A033553
@seq = [9,15,21,33,39,51,57,63,69,87,93,111,123,129,141,
159,177,183,195,201,213,219,237,249,267,291,303,
309,315,321,327,339,381,393,399,411,417,447,453,
471,489,501,519,537,543,573,579,591,597,633,669,
681,687,693].to_seq
@seq.sample(10).each do |n|
it "should return true for D-number #{n}" do
n.should be_d
end
end
@seq.invert.sample(10).each do |n|
it "should return false for non-D-number #{n}" do
n.should_not be_d
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems