Sha256: 2c1e5066edff0bc85101ddec5eb3c5f14634a01bf0d74434e5406b9e33379a52
Contents?: true
Size: 672 Bytes
Versions: 20
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Stored size: 672 Bytes
Contents
describe Integer, "#abundant?" do
# A005101
@seq = [12,18,20,24,30,36,40,42,48,54,56,60,66,70,72,78,
80,84,88,90,96,100,102,104,108,112,114,120,126,
132,138,140,144,150,156,160,162,168,174,176,180,
186,192,196,198,200,204,208,210,216,220,222,224,
228,234,240,246,252,258,260,264,270].to_seq
@seq.each do |n|
it "returns true for abundant number #{n}" do
n.should be_abundant
end
it "returns false for negative number #{-n}" do
(-n).should_not be_abundant
end
end
@seq.invert.each do |n|
it "returns false for non-abundant number #{n}" do
n.should_not be_abundant
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems