Sha256: 4638767ce838ab557a16594acacad23a6812a588f8d4d73d7175d2e577dd891d
Contents?: true
Size: 516 Bytes
Versions: 13
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Stored size: 516 Bytes
Contents
describe Integer, "#doubly_even?" do
# A008586
@seq = [0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,
68,72,76,80,84,88,92,96,100,104,108,112,116,120,
124,128,132,136,140,144,148,152,156,160,164,168,
172,176,180,184]
@seq.each do |n|
it "returns true for doubly-even number #{n}" do
n.should be_doubly_even
end
end
@seq.to_seq.invert.each do |n|
it "returns false for non-doubly-even number #{n}" do
n.should_not be_doubly_even
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems