File

+
−local format = require"util.format".format;
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−local dump = require"util.serialization".new("oneline")
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−local types = {
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−	"nil";
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−	"boolean";
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−	"number";
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−	"string";
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−	"function";
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−	-- "userdata";
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−	"thread";
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−	"table";
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−};
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−local example_values = {
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−	["nil"] = { n = 1; nil };
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−	["boolean"] = { true; false };
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−	["number"] = { 97; -12345; 1.5; 73786976294838206464; math.huge; 2147483647 };
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−	["string"] = { "hello"; "foo \1\2\3 bar"; "nödåtgärd"; string.sub("nödåtgärd", 1, -4) };
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−	["function"] = { function() end };
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−	-- ["userdata"] = {};
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−	["thread"] = { coroutine.create(function() end) };
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−	["table"] = { {}, setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end}) };
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−};
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−local example_strings = setmetatable({
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−	["nil"] = { "nil" };
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−	["function"] = { "function() end" };
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−	["number"] = { "97"; "-12345"; "1.5"; "73786976294838206464"; "math.huge"; "2147483647" };
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−	["thread"] = { "coroutine.create(function() end)" };
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−	["table"] = { "{ }", "setmetatable({},{__tostring=function ()return \"foo \\1\\2\\3 bar\"end})" }
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−}, { __index = function() return {} end });
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−for _, lua_type in ipairs(types) do
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−	print(string.format("\t\tdescribe(\"%s\", function ()", lua_type));
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−	local examples = example_values[lua_type];
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−	for fmt in ("cdiouxXaAeEfgGqs"):gmatch(".") do
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−		print(string.format("\t\t\tdescribe(\"to %%%s\", function ()", fmt));
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−		print("\t\t\t\tit(\"works\", function ()");
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−		for i = 1, examples.n or #examples do
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−			local example = examples[i];
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−			if not tostring(example):match("%w+: 0[xX]%x+") then
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−				print(string.format("\t\t\t\t\tassert.equal(%q, format(%q, %s))", format("%" .. fmt, example), "%" .. fmt,
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−					example_strings[lua_type][i] or dump(example)));
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−			else
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−				print(string.format("\t\t\t\t\tassert.matches(\"[%s: 0[xX]%%x+]\", format(%q, %s))", lua_type, "%" .. fmt,
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−					example_strings[lua_type][i] or dump(example)));
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−			end
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−		end
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−		print("\t\t\t\tend);");
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−		print("\t\t\tend);");
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−		print()
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−	end
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−	print("\t\tend);");
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−	print()
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−end