Sha256: cdd9952875111ed31d0538a2e96916854867fad1f850ad816b3fbdc06a4e4bc4
Contents?: true
Size: 542 Bytes
Versions: 15
Compression:
Stored size: 542 Bytes
Contents
describe Integer, "#lucas?" do
# A000032
@seq = [2,1,3,4,7,11,18,29,47,76,123,199,322,521,843,
1364,2207,3571,5778,9349,15127,24476,39603,64079,
103682,167761,271443,439204,710647,1149851,
1860498,3010349,4870847,7881196,12752043,20633239,
33385282].to_seq
@seq.each do |n|
it "returns true for Lucas number #{n}" do
n.should be_lucas
end
end
@seq.invert.sample(10).each do |n|
it "returns false for non-Lucas number #{n}" do
n.should_not be_lucas
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems