local ReplicatedStorage = game:GetService("ReplicatedStorage")

local Charm = require(ReplicatedStorage.DevPackages.Charm)
local atom = Charm.atom
local validate = require(ReplicatedStorage.DevPackages.CharmSync.validate)

return function()
	it("validates inputs", function()
		local cases: { [string]: { value: any, expected: any } } = {
			array = { value = { 1, 2, 3 }, expected = true },
			array_sparse = { value = { 1, nil :: any, 3 }, expected = true },
			array_sparse_invalid = { value = { [1] = 0, [3] = 0 }, expected = false },

			map_decimal_key = { value = { [1.5] = 0 }, expected = false },
			map_infinity_key = { value = { [math.huge] = true }, expected = false },
			map_mixed_key = { value = { [1] = 0, a = 0 }, expected = false },

			nested_atom = { value = atom(0), expected = false },
		}

		for key, case in next, cases do
			local success, result = pcall(function()
				validate(case.value, key)
			end)

			if case.expected and not success then
				error(`Expected {key} to be valid, threw {result}`)
			elseif not case.expected and success then
				error(`Expected {key} to be invalid, but it was valid`)
			end
		end
	end)
end