Sha256: 13914c0eb31a12cf67a33226bbface35fdf98d9d6a87c149787e4a06639f7b8a
Contents?: true
Size: 681 Bytes
Versions: 9
Compression:
Stored size: 681 Bytes
Contents
describe Integer, "#composite?" do
COMPOSITE = [4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,
28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,49,
50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,
70,72,74,75,76,77,78,80,81,82,84,85,86,87,88]
it "returns true for composite numbers" do
COMPOSITE.each{|n| n.should be_composite}
end
it "returns false for non-composite numbers" do
((0..88).to_a - COMPOSITE).each{|n| n.should_not be_composite}
end
it "returns false for 1" do
1.should_not be_composite
end
it "returns false for primes" do
Prime.first(300).each{|n| n.should_not be_composite}
end
end
Version data entries
9 entries across 9 versions & 1 rubygems