local format = require"util.format".format;

local dump = require"util.serialization".new("oneline")

local types = {

	"nil";

	"boolean";

	"number";

	"string";

	"function";

	-- "userdata";

	"thread";

	"table";

};

local example_values = {

	["nil"] = { n = 1; nil };

	["boolean"] = { true; false };

	["number"] = { 97; -12345; 1.5; 73786976294838206464; math.huge; 2147483647 };

	["string"] = { "hello"; "foo \1\2\3 bar"; "nödåtgärd"; string.sub("nödåtgärd", 1, -4) };

	["function"] = { function() end };

	-- ["userdata"] = {};

	["thread"] = { coroutine.create(function() end) };

	["table"] = { {}, setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end}) };

};

local example_strings = setmetatable({

	["nil"] = { "nil" };

	["function"] = { "function() end" };

	["number"] = { "97"; "-12345"; "1.5"; "73786976294838206464"; "math.huge"; "2147483647" };

	["thread"] = { "coroutine.create(function() end)" };

	["table"] = { "{ }", "setmetatable({},{__tostring=function ()return \"foo \\1\\2\\3 bar\"end})" }

}, { __index = function() return {} end });

for _, lua_type in ipairs(types) do

	print(string.format("\t\tdescribe(\"%s\", function ()", lua_type));

	local examples = example_values[lua_type];

	for fmt in ("cdiouxXaAeEfgGqs"):gmatch(".") do

		print(string.format("\t\t\tdescribe(\"to %%%s\", function ()", fmt));

		print("\t\t\t\tit(\"works\", function ()");

		for i = 1, examples.n or #examples do

			local example = examples[i];

			if not tostring(example):match("%w+: 0[xX]%x+") then

				print(string.format("\t\t\t\t\tassert.equal(%q, format(%q, %s))", format("%" .. fmt, example), "%" .. fmt,

					example_strings[lua_type][i] or dump(example)));

			else

				print(string.format("\t\t\t\t\tassert.matches(\"[%s: 0[xX]%%x+]\", format(%q, %s))", lua_type, "%" .. fmt,

					example_strings[lua_type][i] or dump(example)));

			end

		end

		print("\t\t\t\tend);");

		print("\t\t\tend);");

		print()

	end

	print("\t\tend);");

	print()

end