local passes, fails, undefined = 0, 0, 0
local running = 0
local function getGlobal(path)
      local value = getfenv(0)
      while value ~= nil and path ~= "" do
            local name, nextValue = string.match(path, "^([^.]+)%.?(.*)$")
            value = value[name]
            path = nextValue
      end
      return value
end
local function test(name, aliases, callback)
      running += 1
      task.spawn(function()
            if not callback then
                  print(" " .. name)
            elseif not getGlobal(name) then
                  fails += 1
                  warn("⛔ " .. name)
            else
                  local success, message = pcall(callback)
                    if success then
                          passes += 1
                          print("✅ " .. name .. (message and " • " .. message or ""))
                    else
                          fails += 1
                          warn("⛔ " .. name .. " failed: " .. message)
                    end
              end
              local undefinedAliases = {}
              for _, alias in ipairs(aliases) do
                    if getGlobal(alias) == nil then
                          table.insert(undefinedAliases, alias)
                    end
              end
              if #undefinedAliases > 0 then
                    undefined += 1
                    warn(" " .. table.concat(undefinedAliases, ", "))
              end
              running -= 1
      end)
end
-- Header and summary
print("\n")
print("UNC Environment Check")
print(" - Pass, - Fail, ⏺️- No test, ⚠️- Missing aliases\n")
task.defer(function()
      repeat task.wait() until running == 0
       local rate = math.round(passes / (passes + fails) * 100)
       local outOf = passes .. " out of " .. (passes + fails)
       print("\n")
       print("UNC Summary")
       print("✅ Tested with a " .. rate .. "% success rate (" .. outOf .. ")")
       print("⛔ " .. fails .. " tests failed")
       print(" " .. undefined .. " globals are missing aliases")
end)
-- Cache
test("cache.invalidate", {}, function()
      local container = Instance.new("Folder")
      local part = Instance.new("Part", container)
      cache.invalidate(container:FindFirstChild("Part"))
      assert(part ~= container:FindFirstChild("Part"), "Reference `part` could not
be invalidated")
end)
test("cache.iscached", {}, function()
      local part = Instance.new("Part")
      assert(cache.iscached(part), "Part should be cached")
      cache.invalidate(part)
      assert(not cache.iscached(part), "Part should not be cached")
end)
test("cache.replace", {}, function()
      local part = Instance.new("Part")
      local fire = Instance.new("Fire")
      cache.replace(part, fire)
      assert(part ~= fire, "Part was not replaced with Fire")
end)
test("cloneref", {}, function()
      local part = Instance.new("Part")
      local clone = cloneref(part)
      assert(part ~= clone, "Clone should not be equal to original")
      clone.Name = "Test"
      assert(part.Name == "Test", "Clone should have updated the original")
end)
test("compareinstances", {}, function()
      local part = Instance.new("Part")
      local clone = cloneref(part)
      assert(part ~= clone, "Clone should not be equal to original")
      assert(compareinstances(part, clone), "Clone should be equal to original when
using compareinstances()")
end)
-- Closures
local function shallowEqual(t1, t2)
      if t1 == t2 then
            return true
      end
      local UNIQUE_TYPES = {
            ["function"] = true,
            ["table"] = true,
            ["userdata"] = true,
            ["thread"] = true,
      }
      for k, v in pairs(t1) do
            if UNIQUE_TYPES[type(v)] then
                  if type(t2[k]) ~= type(v) then
                        return false
                  end
            elseif t2[k] ~= v then
                  return false
            end
      end
      for k, v in pairs(t2) do
            if UNIQUE_TYPES[type(v)] then
                  if type(t2[k]) ~= type(v) then
                        return false
                  end
            elseif t1[k] ~= v then
                  return false
            end
      end
      return true
end
test("checkcaller", {}, function()
      assert(checkcaller(), "Main scope should return true")
end)
test("clonefunction", {}, function()
      local function test()
            return "success"
      end
      local copy = clonefunction(test)
      assert(test() == copy(), "The clone should return the same value as the
original")
      assert(test ~= copy, "The clone should not be equal to the original")
end)
test("getcallingscript", {})
test("getscriptclosure", {"getscriptfunction"}, function()
      local module = game:GetService("CoreGui").RobloxGui.Modules.Common.Constants
      local constants = getrenv().require(module)
      local generated = getscriptclosure(module)()
      assert(constants ~= generated, "Generated module should not match the
original")
      assert(shallowEqual(constants, generated), "Generated constant table should
be shallow equal to the original")
end)
test("hookfunction", {"replaceclosure"}, function()
      local function test()
            return true
      end
      local ref = hookfunction(test, function()
            return false
      end)
      assert(test() == false, "Function should return false")
      assert(ref() == true, "Original function should return true")
      assert(test ~= ref, "Original function should not be same as the reference")
end)
test("iscclosure", {}, function()
      assert(iscclosure(print) == true, "Function 'print' should be a C closure")
      assert(iscclosure(function() end) == false, "Executor function should not be
a C closure")
end)
test("islclosure", {}, function()
      assert(islclosure(print) == false, "Function 'print' should not be a Lua
closure")
      assert(islclosure(function() end) == true, "Executor function should be a Lua
closure")
end)
test("isexecutorclosure", {"checkclosure", "isourclosure"}, function()
      assert(isexecutorclosure(isexecutorclosure) == true, "Did not return true for
an executor global")
      assert(isexecutorclosure(newcclosure(function() end)) == true, "Did not
return true for an executor C closure")
      assert(isexecutorclosure(function() end) == true, "Did not return true for an
executor Luau closure")
      assert(isexecutorclosure(print) == false, "Did not return false for a Roblox
global")
end)
test("loadstring", {}, function()
      local animate = game:GetService("Players").LocalPlayer.Character.Animate
      local bytecode = getscriptbytecode(animate)
      local func = loadstring(bytecode)
      assert(type(func) ~= "function", "Luau bytecode should not be loadable!")
      assert(assert(loadstring("return ... + 1"))(1) == 2, "Failed to do simple
math")
      assert(type(select(2, loadstring("f"))) == "string", "Loadstring did not
return anything for a compiler error")
end)
test("newcclosure", {}, function()
      local function test()
            return true
      end
      local testC = newcclosure(test)
      assert(test() == testC(), "New C closure should return the same value as the
original")
      assert(test ~= testC, "New C closure should not be same as the original")
      assert(iscclosure(testC), "New C closure should be a C closure")
end)
-- Console
test("rconsoleclear", {"consoleclear"})
test("rconsolecreate", {"consolecreate"})
test("rconsoledestroy", {"consoledestroy"})
test("rconsoleinput", {"consoleinput"})
test("rconsoleprint", {"consoleprint"})
test("rconsolesettitle", {"rconsolename", "consolesettitle"})
-- Crypt
test("crypt.base64encode", {"crypt.base64.encode", "crypt.base64_encode",
"base64.encode", "base64_encode"}, function()
      assert(crypt.base64encode("test") == "dGVzdA==", "Base64 encoding failed")
end)
test("crypt.base64decode", {"crypt.base64.decode", "crypt.base64_decode",
"base64.decode", "base64_decode"}, function()
      assert(crypt.base64decode("dGVzdA==") == "test", "Base64 decoding failed")
end)
test("crypt.encrypt", {}, function()
      local key = crypt.generatekey()
      local encrypted, iv = crypt.encrypt("test", key, nil, "CBC")
      assert(iv, "crypt.encrypt should return an IV")
      local decrypted = crypt.decrypt(encrypted, key, iv, "CBC")
      assert(decrypted == "test", "Failed to decrypt raw string from encrypted
data")
end)
test("crypt.decrypt", {}, function()
      local key, iv = crypt.generatekey(), crypt.generatekey()
      local encrypted = crypt.encrypt("test", key, iv, "CBC")
      local decrypted = crypt.decrypt(encrypted, key, iv, "CBC")
      assert(decrypted == "test", "Failed to decrypt raw string from encrypted
data")
end)
test("crypt.generatebytes", {}, function()
      local size = math.random(10, 100)
      local bytes = crypt.generatebytes(size)
      assert(#crypt.base64decode(bytes) == size, "The decoded result should be " ..
size .. " bytes long (got " .. #crypt.base64decode(bytes) .. " decoded, " .. #bytes
.. " raw)")
end)
test("crypt.generatekey", {}, function()
      local key = crypt.generatekey()
      assert(#crypt.base64decode(key) == 32, "Generated key should be 32 bytes long
when decoded")
end)
test("crypt.hash", {}, function()
      local algorithms = {'sha1', 'sha384', 'sha512', 'md5', 'sha256', 'sha3-224',
'sha3-256', 'sha3-512'}
      for _, algorithm in ipairs(algorithms) do
            local hash = crypt.hash("test", algorithm)
            assert(hash, "crypt.hash on algorithm '" .. algorithm .. "' should
return a hash")
      end
end)
--- Debug
test("debug.getconstant", {}, function()
      local function test()
            print("Hello, world!")
      end
      assert(debug.getconstant(test, 1) == "print", "First constant must be print")
      assert(debug.getconstant(test, 2) == nil, "Second constant must be nil")
      assert(debug.getconstant(test, 3) == "Hello, world!", "Third constant must be
'Hello, world!'")
end)
test("debug.getconstants", {}, function()
      local function test()
            local num = 5000 .. 50000
            print("Hello, world!", num, warn)
      end
      local constants = debug.getconstants(test)
      assert(constants[1] == 50000, "First constant must be 50000")
      assert(constants[2] == "print", "Second constant must be print")
      assert(constants[3] == nil, "Third constant must be nil")
      assert(constants[4] == "Hello, world!", "Fourth constant must be 'Hello,
world!'")
      assert(constants[5] == "warn", "Fifth constant must be warn")
end)
test("debug.getinfo", {}, function()
      local types = {
            source = "string",
            short_src = "string",
            func = "function",
            what = "string",
            currentline = "number",
            name = "string",
            nups = "number",
            numparams = "number",
            is_vararg = "number",
      }
      local function test(...)
            print(...)
      end
      local info = debug.getinfo(test)
      for k, v in pairs(types) do
            assert(info[k] ~= nil, "Did not return a table with a '" .. k .. "'
field")
            assert(type(info[k]) == v, "Did not return a table with " .. k .. " as
a " .. v .. " (got " .. type(info[k]) .. ")")
      end
end)
test("debug.getproto", {}, function()
      local function test()
            local function proto()
                  return true
            end
       end
       local proto = debug.getproto(test, 1, true)[1]
       local realproto = debug.getproto(test, 1)
       assert(proto, "Failed to get the inner function")
       assert(proto() == true, "The inner function did not return anything")
       if not realproto() then
             return "Proto return values are disabled on this executor"
       end
end)
test("debug.getprotos", {}, function()
      local function test()
            local function _1()
                  return true
            end
            local function _2()
                  return true
            end
            local function _3()
                  return true
            end
      end
      for i in ipairs(debug.getprotos(test)) do
            local proto = debug.getproto(test, i, true)[1]
            local realproto = debug.getproto(test, i)
            assert(proto(), "Failed to get inner function " .. i)
            if not realproto() then
                  return "Proto return values are disabled on this executor"
            end
      end
end)
test("debug.getstack", {}, function()
      local _ = "a" .. "b"
      assert(debug.getstack(1, 1) == "ab", "The first item in the stack should be
'ab'")
      assert(debug.getstack(1)[1] == "ab", "The first item in the stack table
should be 'ab'")
end)
test("debug.getupvalue", {}, function()
      local upvalue = function() end
      local function test()
            print(upvalue)
      end
      assert(debug.getupvalue(test, 1) == upvalue, "Unexpected value returned from
debug.getupvalue")
end)
test("debug.getupvalues", {}, function()
      local upvalue = function() end
      local function test()
            print(upvalue)
      end
      local upvalues = debug.getupvalues(test)
      assert(upvalues[1] == upvalue, "Unexpected value returned from
debug.getupvalues")
end)
test("debug.setconstant", {}, function()
      local function test()
            return "fail"
      end
      debug.setconstant(test, 1, "success")
      assert(test() == "success", "debug.setconstant did not set the first
constant")
end)
test("debug.setstack", {}, function()
      local function test()
            return "fail", debug.setstack(1, 1, "success")
      end
      assert(test() == "success", "debug.setstack did not set the first stack
item")
end)
test("debug.setupvalue", {}, function()
      local function upvalue()
            return "fail"
      end
      local function test()
            return upvalue()
      end
      debug.setupvalue(test, 1, function()
            return "success"
      end)
      assert(test() == "success", "debug.setupvalue did not set the first upvalue")
end)
-- Filesystem
if isfolder and makefolder and delfolder then
      if isfolder(".tests") then
            delfolder(".tests")
      end
      makefolder(".tests")
end
test("readfile", {}, function()
      writefile(".tests/readfile.txt", "success")
      assert(readfile(".tests/readfile.txt") == "success", "Did not return the
contents of the file")
end)
test("listfiles", {}, function()
      makefolder(".tests/listfiles")
      writefile(".tests/listfiles/test_1.txt", "success")
      writefile(".tests/listfiles/test_2.txt", "success")
      local files = listfiles(".tests/listfiles")
      assert(#files == 2, "Did not return the correct number of files")
      assert(isfile(files[1]), "Did not return a file path")
      assert(readfile(files[1]) == "success", "Did not return the correct files")
      makefolder(".tests/listfiles_2")
      makefolder(".tests/listfiles_2/test_1")
      makefolder(".tests/listfiles_2/test_2")
       local folders = listfiles(".tests/listfiles_2")
       assert(#folders == 2, "Did not return the correct number of folders")
       assert(isfolder(folders[1]), "Did not return a folder path")
end)
test("writefile", {}, function()
      writefile(".tests/writefile.txt", "success")
      assert(readfile(".tests/writefile.txt") == "success", "Did not write the
file")
      local requiresFileExt = pcall(function()
            writefile(".tests/writefile", "success")
            assert(isfile(".tests/writefile.txt"))
      end)
      if not requiresFileExt then
            return "This executor requires a file extension in writefile"
      end
end)
test("makefolder", {}, function()
      makefolder(".tests/makefolder")
      assert(isfolder(".tests/makefolder"), "Did not create the folder")
end)
test("appendfile", {}, function()
      writefile(".tests/appendfile.txt", "su")
      appendfile(".tests/appendfile.txt", "cce")
      appendfile(".tests/appendfile.txt", "ss")
      assert(readfile(".tests/appendfile.txt") == "success", "Did not append the
file")
end)
test("isfile", {}, function()
      writefile(".tests/isfile.txt", "success")
      assert(isfile(".tests/isfile.txt") == true, "Did not return true for a file")
      assert(isfile(".tests") == false, "Did not return false for a folder")
      assert(isfile(".tests/doesnotexist.exe") == false, "Did not return false for
a nonexistent path (got " .. tostring(isfile(".tests/doesnotexist.exe")) .. ")")
end)
test("isfolder", {}, function()
      assert(isfolder(".tests") == true, "Did not return false for a folder")
      assert(isfolder(".tests/doesnotexist.exe") == false, "Did not return false
for a nonexistent path (got " .. tostring(isfolder(".tests/doesnotexist.exe")) ..
")")
end)
test("delfolder", {}, function()
      makefolder(".tests/delfolder")
      delfolder(".tests/delfolder")
      assert(isfolder(".tests/delfolder") == false, "Failed to delete folder
(isfolder = " .. tostring(isfolder(".tests/delfolder")) .. ")")
end)
test("delfile", {}, function()
      writefile(".tests/delfile.txt", "Hello, world!")
      delfile(".tests/delfile.txt")
      assert(isfile(".tests/delfile.txt") == false, "Failed to delete file (isfile
= " .. tostring(isfile(".tests/delfile.txt")) .. ")")
end)
test("loadfile", {}, function()
      writefile(".tests/loadfile.txt", "return ... + 1")
      assert(assert(loadfile(".tests/loadfile.txt"))(1) == 2, "Failed to load a
file with arguments")
      writefile(".tests/loadfile.txt", "f")
      local callback, err = loadfile(".tests/loadfile.txt")
      assert(err and not callback, "Did not return an error message for a compiler
error")
end)
test("dofile", {})
-- Input
test("isrbxactive", {"isgameactive"}, function()
      assert(type(isrbxactive()) == "boolean", "Did not return a boolean value")
end)
test("mouse1click", {})
test("mouse1press", {})
test("mouse1release", {})
test("mouse2click", {})
test("mouse2press", {})
test("mouse2release", {})
test("mousemoveabs", {})
test("mousemoverel", {})
test("mousescroll", {})
-- Instances
test("fireclickdetector", {}, function()
      local detector = Instance.new("ClickDetector")
      fireclickdetector(detector, 50, "MouseHoverEnter")
end)
test("getcallbackvalue", {}, function()
      local bindable = Instance.new("BindableFunction")
      local function test()
      end
      bindable.OnInvoke = test
      assert(getcallbackvalue(bindable, "OnInvoke") == test, "Did not return the
correct value")
end)
test("getconnections", {}, function()
      local types = {
            Enabled = "boolean",
            ForeignState = "boolean",
            LuaConnection = "boolean",
            Function = "function",
           Thread = "thread",
           Fire = "function",
           Defer = "function",
           Disconnect = "function",
           Disable = "function",
           Enable = "function",
      }
      local bindable = Instance.new("BindableEvent")
      bindable.Event:Connect(function() end)
      local connection = getconnections(bindable.Event)[1]
      for k, v in pairs(types) do
            assert(connection[k] ~= nil, "Did not return a table with a '" .. k ..
"' field")
            assert(type(connection[k]) == v, "Did not return a table with " .. k ..
" as a " .. v .. " (got " .. type(connection[k]) .. ")")
      end
end)
test("getcustomasset", {}, function()
      writefile(".tests/getcustomasset.txt", "success")
      local contentId = getcustomasset(".tests/getcustomasset.txt")
      assert(type(contentId) == "string", "Did not return a string")
      assert(#contentId > 0, "Returned an empty string")
      assert(string.match(contentId, "rbxasset://") == "rbxasset://", "Did not
return an rbxasset url")
end)
test("gethiddenproperty", {}, function()
      local fire = Instance.new("Fire")
      local property, isHidden = gethiddenproperty(fire, "size_xml")
      assert(property == 5, "Did not return the correct value")
      assert(isHidden == true, "Did not return whether the property was hidden")
end)
test("sethiddenproperty", {}, function()
      local fire = Instance.new("Fire")
      local hidden = sethiddenproperty(fire, "size_xml", 10)
      assert(hidden, "Did not return true for the hidden property")
      assert(gethiddenproperty(fire, "size_xml") == 10, "Did not set the hidden
property")
end)
test("gethui", {}, function()
      assert(typeof(gethui()) == "Instance", "Did not return an Instance")
end)
test("getinstances", {}, function()
      assert(getinstances()[1]:IsA("Instance"), "The first value is not an
Instance")
end)
test("getnilinstances", {}, function()
      assert(getnilinstances()[1]:IsA("Instance"), "The first value is not an
Instance")
      assert(getnilinstances()[1].Parent == nil, "The first value is not parented
to nil")
end)
test("isscriptable", {}, function()
      local fire = Instance.new("Fire")
      assert(isscriptable(fire, "size_xml") == false, "Did not return false for a
non-scriptable property (size_xml)")
      assert(isscriptable(fire, "Size") == true, "Did not return true for a
scriptable property (Size)")
end)
test("setscriptable", {}, function()
      local fire = Instance.new("Fire")
      local wasScriptable = setscriptable(fire, "size_xml", true)
      assert(wasScriptable == false, "Did not return false for a non-scriptable
property (size_xml)")
      assert(isscriptable(fire, "size_xml") == true, "Did not set the scriptable
property")
      fire = Instance.new("Fire")
      assert(isscriptable(fire, "size_xml") == false, " setscriptable persists
between unique instances ")
end)
test("setrbxclipboard", {})
-- Metatable
test("getrawmetatable", {}, function()
      local metatable = { __metatable = "Locked!" }
      local object = setmetatable({}, metatable)
      assert(getrawmetatable(object) == metatable, "Did not return the metatable")
end)
test("hookmetamethod", {}, function()
      local object = setmetatable({}, { __index = newcclosure(function() return
false end), __metatable = "Locked!" })
      local ref = hookmetamethod(object, "__index", function() return true end)
      assert(object.test == true, "Failed to hook a metamethod and change the
return value")
      assert(ref() == false, "Did not return the original function")
end)
test("getnamecallmethod", {}, function()
      local method
      local ref
      ref = hookmetamethod(game, "__namecall", function(...)
            if not method then
                  method = getnamecallmethod()
            end
            return ref(...)
      end)
      game:GetService("Lighting")
      assert(method == "GetService", "Did not get the correct method (GetService)")
end)
test("isreadonly", {}, function()
      local object = {}
      table.freeze(object)
      assert(isreadonly(object), "Did not return true for a read-only table")
end)
test("setrawmetatable", {}, function()
      local object = setmetatable({}, { __index = function() return false end,
__metatable = "Locked!" })
      local objectReturned = setrawmetatable(object, { __index = function() return
true end })
      assert(object, "Did not return the original object")
      assert(object.test == true, "Failed to change the metatable")
      if objectReturned then
            return objectReturned == object and "Returned the original object" or
"Did not return the original object"
      end
end)
test("setreadonly", {}, function()
      local object = { success = false }
      table.freeze(object)
      setreadonly(object, false)
      object.success = true
      assert(object.success, "Did not allow the table to be modified")
end)
-- Miscellaneous
test("identifyexecutor", {"getexecutorname"}, function()
      local name, version = identifyexecutor()
      assert(type(name) == "string", "Did not return a string for the name")
      return type(version) == "string" and "Returns version as a string" or "Does
not return version"
end)
test("lz4compress", {}, function()
      local raw = "Hello, world!"
      local compressed = lz4compress(raw)
      assert(type(compressed) == "string", "Compression did not return a string")
      assert(lz4decompress(compressed, #raw) == raw, "Decompression did not return
the original string")
end)
test("lz4decompress", {}, function()
      local raw = "Hello, world!"
      local compressed = lz4compress(raw)
      assert(type(compressed) == "string", "Compression did not return a string")
      assert(lz4decompress(compressed, #raw) == raw, "Decompression did not return
the original string")
end)
test("messagebox", {})
test("queue_on_teleport", {"queueonteleport"})
test("request", {"http.request", "http_request"}, function()
      local response = request({
            Url = "https://httpbin.org/user-agent",
            Method = "GET",
      })
      assert(type(response) == "table", "Response must be a table")
      assert(response.StatusCode == 200, "Did not return a 200 status code")
      local data = game:GetService("HttpService"):JSONDecode(response.Body)
      assert(type(data) == "table" and type(data["user-agent"]) == "string", "Did
not return a table with a user-agent key")
      return "User-Agent: " .. data["user-agent"]
end)
test("setclipboard", {"toclipboard"})
test("setfpscap", {}, function()
      local renderStepped = game:GetService("RunService").RenderStepped
      local function step()
            renderStepped:Wait()
            local sum = 0
            for _ = 1, 5 do
                  sum += 1 / renderStepped:Wait()
            end
            return math.round(sum / 5)
      end
      setfpscap(60)
      local step60 = step()
      setfpscap(0)
      local step0 = step()
      return step60 .. "fps @60 • " .. step0 .. "fps @0"
end)
-- Scripts
test("getgc", {}, function()
      local gc = getgc()
      assert(type(gc) == "table", "Did not return a table")
      assert(#gc > 0, "Did not return a table with any values")
end)
test("getgenv", {}, function()
      getgenv().__TEST_GLOBAL = true
      assert(__TEST_GLOBAL, "Failed to set a global variable")
      getgenv().__TEST_GLOBAL = nil
end)
test("getloadedmodules", {}, function()
      local modules = getloadedmodules()
      assert(type(modules) == "table", "Did not return a table")
      assert(#modules > 0, "Did not return a table with any values")
      assert(typeof(modules[1]) == "Instance", "First value is not an Instance")
      assert(modules[1]:IsA("ModuleScript"), "First value is not a ModuleScript")
end)
test("getrenv", {}, function()
      assert(_G ~= getrenv()._G, "The variable _G in the executor is identical to
_G in the game")
end)
test("getrunningscripts", {}, function()
      local scripts = getrunningscripts()
      assert(type(scripts) == "table", "Did not return a table")
      assert(#scripts > 0, "Did not return a table with any values")
      assert(typeof(scripts[1]) == "Instance", "First value is not an Instance")
      assert(scripts[1]:IsA("ModuleScript") or scripts[1]:IsA("LocalScript"),
"First value is not a ModuleScript or LocalScript")
end)
test("getscriptbytecode", {"dumpstring"}, function()
      local animate = game:GetService("Players").LocalPlayer.Character.Animate
      local bytecode = getscriptbytecode(animate)
      assert(type(bytecode) == "string", "Did not return a string for
Character.Animate (a " .. animate.ClassName .. ")")
end)
test("getscripthash", {}, function()
      local animate =
game:GetService("Players").LocalPlayer.Character.Animate:Clone()
      local hash = getscripthash(animate)
      local source = animate.Source
      animate.Source = "print('Hello, world!')"
      task.defer(function()
            animate.Source = source
      end)
      local newHash = getscripthash(animate)
      assert(hash ~= newHash, "Did not return a different hash for a modified
script")
      assert(newHash == getscripthash(animate), "Did not return the same hash for a
script with the same source")
end)
test("getscripts", {}, function()
      local scripts = getscripts()
      assert(type(scripts) == "table", "Did not return a table")
      assert(#scripts > 0, "Did not return a table with any values")
      assert(typeof(scripts[1]) == "Instance", "First value is not an Instance")
      assert(scripts[1]:IsA("ModuleScript") or scripts[1]:IsA("LocalScript"),
"First value is not a ModuleScript or LocalScript")
end)
test("getsenv", {}, function()
      local animate = game:GetService("Players").LocalPlayer.Character.Animate
      local env = getsenv(animate)
      assert(type(env) == "table", "Did not return a table for Character.Animate (a
" .. animate.ClassName .. ")")
      assert(env.script == animate, "The script global is not identical to
Character.Animate")
end)
test("getthreadidentity", {"getidentity", "getthreadcontext"}, function()
      assert(type(getthreadidentity()) == "number", "Did not return a number")
end)
test("setthreadidentity", {"setidentity", "setthreadcontext"}, function()
      setthreadidentity(3)
      assert(getthreadidentity() == 3, "Did not set the thread identity")
end)
-- Drawing
test("Drawing", {})
test("Drawing.new", {}, function()
      local drawing = Drawing.new("Square")
      drawing.Visible = false
      local canDestroy = pcall(function()
            drawing:Destroy()
      end)
      assert(canDestroy, "Drawing:Destroy() should not throw an error")
end)
test("Drawing.Fonts", {}, function()
      assert(Drawing.Fonts.UI == 0, "Did not return the correct id for UI")
      assert(Drawing.Fonts.System == 1, "Did not return the correct id for System")
      assert(Drawing.Fonts.Plex == 2, "Did not return the correct id for Plex")
      assert(Drawing.Fonts.Monospace == 3, "Did not return the correct id for
Monospace")
end)
test("isrenderobj", {}, function()
      local drawing = Drawing.new("Image")
      drawing.Visible = true
      assert(isrenderobj(drawing) == true, "Did not return true for an Image")
      assert(isrenderobj(newproxy()) == false, "Did not return false for a blank
table")
end)
test("getrenderproperty", {}, function()
      local drawing = Drawing.new("Image")
      drawing.Visible = true
      assert(type(getrenderproperty(drawing, "Visible")) == "boolean", "Did not
return a boolean value for Image.Visible")
      local success, result = pcall(function()
            return getrenderproperty(drawing, "Color")
      end)
      if not success or not result then
            return "Image.Color is not supported"
      end
end)
test("setrenderproperty", {}, function()
      local drawing = Drawing.new("Square")
      drawing.Visible = true
      setrenderproperty(drawing, "Visible", false)
      assert(drawing.Visible == false, "Did not set the value for Square.Visible")
end)
test("cleardrawcache", {}, function()
      cleardrawcache()
end)
-- WebSocket
test("WebSocket", {})
test("WebSocket.connect", {}, function()
      local types = {
            Send = "function",
            Close = "function",
            OnMessage = {"table", "userdata"},
            OnClose = {"table", "userdata"},
      }
      local ws = WebSocket.connect("ws://echo.websocket.events")
      assert(type(ws) == "table" or type(ws) == "userdata", "Did not return a table
or userdata")
      for k, v in pairs(types) do
            if type(v) == "table" then
                  assert(table.find(v, type(ws[k])), "Did not return a " ..
table.concat(v, ", ") .. " for " .. k .. " (a " .. type(ws[k]) .. ")")
            else
                  assert(type(ws[k]) == v, "Did not return a " .. v .. " for " .. k
.. " (a " .. type(ws[k]) .. ")")
            end
      end
      ws:Close()
end)