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Contents
describe Integer, "#extravagant?" do
# http://www.research.att.com/~njas/sequences/A046760
EXTRAVAGANT = [4,6,8,9,12,18,20,22,24,26,28,30,33,34,36,38,39,
40,42,44,45,46,48,50,51,52,54,55,56,57,58,60,62,
63,65,66,68,69,70,72,74,75,76,77,78,80,82,84,85,
86,87,88,90,91,92,93,94,95,96,98,99,100,102,104,
108,110,114]
it "returns true for extravagant numbers" do
EXTRAVAGANT.each do |number|
number.should be_extravagant
end
end
it "returns false for non-extravagant numbers" do
((1..114).to_a - EXTRAVAGANT).each do |number|
number.should_not be_extravagant
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems