Sha256: aa2a29656945ffb5ab75c27df6bbe15a8e1b477e3440ac9a65d25a70d93d63a7
Contents?: true
Size: 611 Bytes
Versions: 6
Compression:
Stored size: 611 Bytes
Contents
describe Integer, "#superabundant?" do
# A004394
@seq = [1,2,4,6,12,24,36,48,60,120,180,240,360,720,840,
1260,1680,2520,5040,10080,15120,25200,27720,55440,
110880,166320,277200,332640,554400,665280,720720,
1441440,2162160,3603600,4324320,7207200,8648640,
10810800].first(17)
@seq.each do |n|
it "should return true for superabundant number #{n}" do
n.should be_superabundant
end
end
@seq.to_seq.invert.sample(20).each do |n|
it "should return false for non-superabundant number #{n}" do
n.should_not be_superabundant
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems