Module:math/testcases

---

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All tests passed. (refresh)

test_gcd:

	Text	Expected	Actual
	1	1	1
	-1	1	1
	0	0	0
	0, 0	0	0
	1, 0	1	1
	0, 1	1	1
	1, 1	1	1
	6, 4	2	2
	6, -4	2	2
	-6, -4	2	2
	2, 8	2	2
	15, 20	5	5
	20, 15	5	5
	35, -21	7	7
	48, 18	6	6
	8, 12, 16	4	4
	25, -35, 95	5	5
	95, -35, 25	5	5
	1500, 750, 150000, 625	125	125
	186028, 193052, 144624	4	4
	2^100, 2^53	9.007199254741e+15	9.007199254741e+15

test_lcm:

	Text	Expected	Actual
	1	1	1
	-1	1	1
	0	0	0
	0, 0	0	0
	1, 0	0	0
	0, 1	0	0
	1, 1	1	1
	6, 4	12	12
	6, -4	12	12
	-6, -4	12	12
	2, 8	8	8
	15, 20	60	60
	20, 15	60	60
	35, -21	105	105
	48, 18	144	144
	8, 12, 16	48	48
	25, -35, 95	3325	3325
	95, -35, 25	3325	3325
	1500, 750, 150000, 625	150000	150000
	186028, 193052, 144624	3.2461830712478e+14	3.2461830712478e+14
	2^100, 2^53	1.2676506002282e+30	1.2676506002282e+30

local tests = require("Module:UnitTests")
local m_math = require("Module:math")

local concat = table.concat
local gcd = m_math.gcd
local lcm = m_math.lcm
local unpack = unpack

local function do_test(func, args, expected, name)
	if name == nil then
		name = concat(args, ", ")
	end
	tests:equals(name, func(unpack(args)), expected)
end

function tests:check_gcd(args, expected, name)
	return do_test(gcd, args, expected, name)
end

function tests:check_lcm(args, expected, name)
	return do_test(lcm, args, expected, name)
end

function tests:test_gcd()
	self:iterate({
		{{1}, 1},
		{{-1}, 1},
		{{0}, 0},
		{{0, 0}, 0},
		{{1, 0}, 1},
		{{0, 1}, 1},
		{{1, 1}, 1},
		{{6, 4}, 2},
		{{6, -4}, 2},
		{{-6, -4}, 2},
		{{2, 8}, 2},
		{{15, 20}, 5},
		{{20, 15}, 5},
		{{35, -21}, 7},
		{{48, 18}, 6},
		{{8, 12, 16}, 4},
		{{25, -35, 95}, 5},
		{{95, -35, 25}, 5},
		{{1500, 750, 150000, 625}, 125},
		{{186028, 193052, 144624}, 4},
		{{2^100, 2^53}, 2^53, "2^100, 2^53"},
	}, "check_gcd")
end

function tests:test_lcm()
	self:iterate({
		{{1}, 1},
		{{-1}, 1},
		{{0}, 0},
		{{0, 0}, 0},
		{{1, 0}, 0},
		{{0, 1}, 0},
		{{1, 1}, 1},
		{{6, 4}, 12},
		{{6, -4}, 12},
		{{-6, -4}, 12},
		{{2, 8}, 8},
		{{15, 20}, 60},
		{{20, 15}, 60},
		{{35, -21}, 105},
		{{48, 18}, 144},
		{{8, 12, 16}, 48},
		{{25, -35, 95}, 3325},
		{{95, -35, 25}, 3325},
		{{1500, 750, 150000, 625}, 150000},
		{{186028, 193052, 144624}, 324618307124784},
		{{2^100, 2^53}, 2^100, "2^100, 2^53"},
	}, "check_lcm")
end

return tests