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Contents
describe Integer, "#polydivisible?" do
# http://www.research.att.com/~njas/sequences/A078282
POLYDIVISIBLE = [1,10,102,1020,10200,102000,1020005,10200056,
102000564,1020005640,10200056405,3608528850368400786036725,
48000688208466084040,30000600003, 381654729]
it "returns true for polydivisible numbers" do
POLYDIVISIBLE.each do |number|
number.should be_polydivisible
end
end
it "returns false for non-polydivisible numbers" do
[123456, 2020, 102001].each do |number|
number.should_not be_polydivisible
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems