Sha256: f91f42537c13a9436e3ddaa4128793f30be0d9ddae2d4d26de7dc129009787ed
Contents?: true
Size: 764 Bytes
Versions: 30
Compression:
Stored size: 764 Bytes
Contents
describe Integer, "#pronic?" do
PRONIC = [0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210,
240, 272, 306, 342, 380, 420, 462, 506, 552, 600, 650, 702,
756, 812, 870, 930, 992, 1056, 1122, 1190, 1260, 1332,
1406, 1482, 1560, 1640, 1722, 1806, 1892, 1980, 2070,
2162, 2256, 2352, 2450, 2550]
it "returns true if the number is pronic" do
PRONIC.each do |number|
number.should be_pronic
end
end
it "returns false if the number is not pronic" do
[1, 39, 69, 13791].each do |number|
number.should_not be_pronic
end
end
it "returns false if the number is negative" do
[-1, -70, -39, -19390].each do |number|
number.should_not be_pronic
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems