Sha256: 054214315e2620aeaeb64bd6cf71e12948f83186098edca700af93eacefc7b84
Contents?: true
Size: 775 Bytes
Versions: 11
Compression:
Stored size: 775 Bytes
Contents
# A034386
PRIMORIAL = [1,2,6,6,30,30,210,210,210,210,2310,2310,30030,
30030,30030,30030,510510,510510,9699690,9699690,
9699690,9699690,223092870,223092870,223092870,
223092870,223092870,223092870,6469693230,
6469693230]
describe Integer, "#primorial" do
PRIMORIAL.each_with_index do |n,i|
i = i.succ
it "should return #{n} for #{i}" do
i.primorial.should == n
end
end
end
describe Integer, "#primorial?" do
PRIMORIAL.uniq.each do |n|
it "should return true for primorial number #{n}" do
n.should be_primorial
end
end
PRIMORIAL.to_seq.invert.first(20).each do |n|
it "should return false for non-primorial number #{n}" do
n.should_not be_primorial
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems