return function()local d=game:GetService("\082\101\112\108\105\099\097\116\101\100\083\116\111\114\097\103\101")local S=d.Packages local E=require(S.Llama)local P=E.Set local V=P.map it("\115\104\111\117\108\100 \118\097\108\105\100\097\116\101 \116\121\112\101\115",function()local d={{0};{{};0};{0;function() end}}for S=1,#d,1 do local E,P=pcall(function()V(unpack(d[S]))end);(expect(string.find(P,"\101\120\112\101\099\116\101\100\044 \103\111\116"))).to.be.ok()end end)it("\115\104\111\117\108\100 \114\101\116\117\114\110 \097 \110\101\119 \116\097\098\108\101",function()local d={}local function S(d)return d end;(expect(V(d,S))).never.to.equal(d)end)it("\115\104\111\117\108\100 \110\111\116 \109\117\116\097\116\101 \112\097\115\115\101\100 \105\110 \116\097\098\108\101\115",function()local d={foo=true,bar=true;baz=true}local S=0 setmetatable(d,{__newindex=function()S=S+1 end})local function E(d)return d end V(d,E);(expect(S)).to.equal(0)end)it("\115\104\111\117\108\100 \099\097\108\108 \116\104\101 \099\097\108\108\098\097\099\107 \102\111\114 \101\097\099\104 \101\108\101\109\101\110\116",function()local d={foo=true;bar=true,baz=true}local S={}local function E(d)S[d]=true return d end V(d,E)for d,E in pairs(d)do(expect(S[d])).to.equal(E)end for S,E in pairs(S)do(expect(E)).to.equal(d[S])end end)it("\115\104\111\117\108\100 \115\101\116 \116\104\101 \110\101\119 \107\101\121\115 \116\111 \116\104\101 \102\105\114\115\116 \114\101\115\117\108\116 \111\102 \116\104\101 \103\105\118\101\110 \099\097\108\108\098\097\099\107",function()local d={foo=true,bar=true;baz=true}local function S(d)return"\102\111\111"..d end local E=V(d,S)for d,P in pairs(d)do(expect(E[S(d)])).to.be.ok()end end)it("\115\104\111\117\108\100 \114\101\109\111\118\101 \118\097\108\117\101\115 \119\104\101\110 \110\105\108 \105\115 \114\101\116\117\114\110\101\100",function()local d={foo=true;bar=true;baz=true}local function S()return nil end local E=V(d,S);(expect(next(E,nil))).never.to.be.ok()end)it("\115\104\111\117\108\100 \119\111\114\107 \119\105\116\104 \097\110 \101\109\112\116\121 \108\105\115\116",function()local d={}local S=V(d,function() end);(expect(S)).to.be.a("\116\097\098\108\101");(expect(S)).never.to.equal(d)end)end
return function()
	local ReplicatedStorage = game:GetService("ReplicatedStorage")

	local Packages = ReplicatedStorage.Packages
	local Llama = require(Packages.Llama)

	local Set = Llama.Set
	local map = Set.map

	it("should validate types", function()
		local args = {
			{ 0 },
			{ {}, 0 },
			{ 0, function() end }
		}

		for i = 1, #args do
			local _, err = pcall(function()
				map(unpack(args[i]))
			end)

			expect(string.find(err, "expected, got")).to.be.ok()
		end
	end)

	it("should return a new table", function()
		local a = {}

		local function doNothing(v)
			return v
		end

		expect(map(a, doNothing)).never.to.equal(a)
	end)

	it("should not mutate passed in tables", function()
		local a = {
			foo = true,
			bar = true,
			baz = true,
		}
		local mutations = 0

		setmetatable(a, {
			__newindex = function()
				mutations = mutations + 1
			end,
		})

		local function doNothing(v)
			return v
		end

		map(a, doNothing)

		expect(mutations).to.equal(0)
	end)

	it("should call the callback for each element", function()
		local a = {
			foo = true,
			bar = true,
			baz = true,
		}
		local copy = {}

		local function copier(v)
			copy[v] = true
			return v
		end

		map(a, copier)

		for k, v in pairs(a) do
			expect(copy[k]).to.equal(v)
		end

		for k, v in pairs(copy) do
			expect(v).to.equal(a[k])
		end
	end)

	it("should set the new keys to the first result of the given callback", function()
		local a = {
			foo = true,
			bar = true,
			baz = true,
		}

		local function fooify(v)
			return "foo" .. v
		end

		local b = map(a, fooify)

		for k, _ in pairs(a) do
			expect(b[fooify(k)]).to.be.ok()
		end
	end)

	it("should remove values when nil is returned", function()
		local a = {
			foo = true, 
			bar = true, 
			baz = true,
		}

		local function nothing()
			return nil
		end

		local b = map(a, nothing)

		expect(next(b, nil)).never.to.be.ok()
	end)

	it("should work with an empty list", function()
		local a = {}
		local b = map(a, function() end)

		expect(b).to.be.a("table")
		expect(b).never.to.equal(a)
	end)
end