Sha256: 9ba960a7964c41490480a0c723d990f7b3620293f141a6497e6fa8fab6f30d6c
Contents?: true
Size: 572 Bytes
Versions: 14
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Stored size: 572 Bytes
Contents
describe Integer, "#fibonacci?" do
# A000045
@seq = [0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,
1597,2584,4181,6765,10946,17711,28657,46368,75025,
121393,196418,317811,514229,832040,1346269,
2178309,3524578,5702887,9227465,14930352,24157817,
39088169].uniq.to_seq
@seq.each do |n|
it "returns true for Fibonacci number #{n}" do
n.should be_fibonacci
end
end
@seq.invert.sample(10).each do |n|
it "returns false for non-Fibonacci number #{n}" do
n.should_not be_fibonacci
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems