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Contents
local pythagorean = require('pythagorean-triplet')
describe('pythagorean-triplet', function()
local function sort(triplets)
table.sort(triplets, function(a, b) return a[1] < b[1] end)
return triplets
end
describe('is_triplet', function()
it('should identify triplets', function()
assert.is_true(pythagorean.is_triplet(3, 4, 5))
assert.is_true(pythagorean.is_triplet(5, 12, 13))
end)
it('should identify non-triplets', function()
assert.is_false(pythagorean.is_triplet(3, 4, 6))
assert.is_false(pythagorean.is_triplet(5, 6, 17))
end)
end)
describe('triplets_with', function()
it('should generate all triplets with a specified maximum factor', function()
assert.same(
{ { 3, 4, 5 }, { 5, 12, 13 }, { 6, 8, 10 }, { 8, 15, 17}, { 9, 12, 15 } },
sort(pythagorean.triplets_with{ max_factor = 17 })
)
end)
it('should generate all triplets with a specified minimum and maximum factor', function()
assert.same(
{ { 6, 8, 10 }, { 9, 12, 15 } },
sort(pythagorean.triplets_with{ min_factor = 6, max_factor = 15 })
)
end)
it('should generate all triplets with a specified maximum factor and a specified sum', function()
assert.same(
{ { 18, 80, 82 }, { 30, 72, 78 }, { 45, 60, 75 } },
sort(pythagorean.triplets_with{ sum = 180, max_factor = 100 })
)
end)
end)
end)
Version data entries
396 entries across 396 versions & 1 rubygems