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Stored size: 759 Bytes
Contents
describe Integer, "#nivenmorphic?" do
NIVENMORPHIC = [1,2,3,4,5,6,7,8,9,910,0,912,11713,6314,915,3616,
15317,918,17119,9920,18921,9922,82823,19824,9925,
46826,18927,18928,78329,99930,585931,388832,
1098933,198934,289835,99936,99937,478838,198939,
1999840]
it "returns true for Nivenmorphic numbers" do
NIVENMORPHIC.each do |number|
number.should be_nivenmorphic
end
end
it "returns false for non-Nivenmorphic numbers" do
((1..300).to_a - NIVENMORPHIC).each do |number|
number.should_not be_nivenmorphic
end
end
it "returns false for negative numbers" do
(1..300).each do |number|
(-number).should_not be_nivenmorphic
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems