Start moving test suite from tape => jest

1 files changed, 0 insertions, 1665 deletions

diff --git a/tests/test-suite/coroutine.js b/tests/test-suite/coroutine.js
deleted file mode 100644
index 969c65e..0000000
--- a/tests/test-suite/coroutine.js
+++ /dev/null
@@ -1,1665 +0,0 @@
-"use strict";
-
-const test     = require('tape');
-
-const lua     = require('../../src/lua.js');
-const lauxlib = require('../../src/lauxlib.js');
-const lualib  = require('../../src/lualib.js');
-const {to_luastring} = require("../../src/fengaricore.js");
-
-const ltests  = require('./ltests.js');
-
-const prefix = `
-    mt = {
-      __eq = function(a,b) coroutine.yield(nil, "eq"); return a.x == b.x end,
-      __lt = function(a,b) coroutine.yield(nil, "lt"); return a.x < b.x end,
-      __le = function(a,b) coroutine.yield(nil, "le"); return a - b <= 0 end,
-      __add = function(a,b) coroutine.yield(nil, "add"); return a.x + b.x end,
-      __sub = function(a,b) coroutine.yield(nil, "sub"); return a.x - b.x end,
-      __mod = function(a,b) coroutine.yield(nil, "mod"); return a.x % b.x end,
-      __unm = function(a,b) coroutine.yield(nil, "unm"); return -a.x end,
-      __bnot = function(a,b) coroutine.yield(nil, "bnot"); return ~a.x end,
-      __shl = function(a,b) coroutine.yield(nil, "shl"); return a.x << b.x end,
-      __shr = function(a,b) coroutine.yield(nil, "shr"); return a.x >> b.x end,
-      __band = function(a,b)
-                 a = type(a) == "table" and a.x or a
-                 b = type(b) == "table" and b.x or b
-                 coroutine.yield(nil, "band")
-                 return a & b
-               end,
-      __bor = function(a,b) coroutine.yield(nil, "bor"); return a.x | b.x end,
-      __bxor = function(a,b) coroutine.yield(nil, "bxor"); return a.x ~ b.x end,
-
-      __concat = function(a,b)
-                   coroutine.yield(nil, "concat");
-                   a = type(a) == "table" and a.x or a
-                   b = type(b) == "table" and b.x or b
-                   return a .. b
-                 end,
-      __index = function (t,k) coroutine.yield(nil, "idx"); return t.k[k] end,
-      __newindex = function (t,k,v) coroutine.yield(nil, "nidx"); t.k[k] = v end,
-    }
-
-
-    local function new (x)
-      return setmetatable({x = x, k = {}}, mt)
-    end
-
-    local function run (f, t)
-      local i = 1
-      local c = coroutine.wrap(f)
-      while true do
-        local res, stat = c()
-        if res then assert(t[i] == nil); return res, t end
-        assert(stat == t[i])
-        i = i + 1
-      end
-    end
-`;
-
-test("[test-suite] coroutine: is main thread", function (t) {
-    let luaCode = `
-        local main, ismain = coroutine.running()
-        assert(type(main) == "thread" and ismain)
-        assert(not coroutine.resume(main))
-        assert(not coroutine.isyieldable())
-        assert(not pcall(coroutine.yield))
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: trivial errors", function (t) {
-    let luaCode = `
-        assert(not pcall(coroutine.resume, 0))
-        assert(not pcall(coroutine.status, 0))
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: tests for multiple yield/resume arguments", function (t) {
-    let luaCode = `
-        local function eqtab (t1, t2)
-          assert(#t1 == #t2)
-          for i = 1, #t1 do
-            local v = t1[i]
-            assert(t2[i] == v)
-          end
-        end
-
-        _G.x = nil   -- declare x
-        function foo (a, ...)
-          local x, y = coroutine.running()
-          assert(x == f and y == false)
-          -- next call should not corrupt coroutine (but must fail,
-          -- as it attempts to resume the running coroutine)
-          assert(coroutine.resume(f) == false)
-          assert(coroutine.status(f) == "running")
-          local arg = {...}
-          assert(coroutine.isyieldable())
-          for i=1,#arg do
-            _G.x = {coroutine.yield(table.unpack(arg[i]))}
-          end
-          return table.unpack(a)
-        end
-
-        f = coroutine.create(foo)
-        assert(type(f) == "thread" and coroutine.status(f) == "suspended")
-        assert(string.find(tostring(f), "thread"))
-        local s,a,b,c,d
-        s,a,b,c,d = coroutine.resume(f, {1,2,3}, {}, {1}, {'a', 'b', 'c'})
-        assert(s and a == nil and coroutine.status(f) == "suspended")
-        s,a,b,c,d = coroutine.resume(f)
-        eqtab(_G.x, {})
-        assert(s and a == 1 and b == nil)
-        s,a,b,c,d = coroutine.resume(f, 1, 2, 3)
-        eqtab(_G.x, {1, 2, 3})
-        assert(s and a == 'a' and b == 'b' and c == 'c' and d == nil)
-        s,a,b,c,d = coroutine.resume(f, "xuxu")
-        eqtab(_G.x, {"xuxu"})
-        assert(s and a == 1 and b == 2 and c == 3 and d == nil)
-        assert(coroutine.status(f) == "dead")
-        s, a = coroutine.resume(f, "xuxu")
-        assert(not s and string.find(a, "dead") and coroutine.status(f) == "dead")
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: yields in tail calls", function (t) {
-    let luaCode = `
-        local function foo (i) return coroutine.yield(i) end
-        f = coroutine.wrap(function ()
-          for i=1,10 do
-            assert(foo(i) == _G.x)
-          end
-          return 'a'
-        end)
-        for i=1,10 do _G.x = i; assert(f(i) == i) end
-        _G.x = 'xuxu'; assert(f('xuxu') == 'a')
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: recursive", function (t) {
-    let luaCode = `
-        function pf (n, i)
-          coroutine.yield(n)
-          pf(n*i, i+1)
-        end
-
-        f = coroutine.wrap(pf)
-        local s=1
-        for i=1,10 do
-          assert(f(1, 1) == s)
-          s = s*i
-        end
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: sieve", function (t) {
-    let luaCode = `
-        function gen (n)
-          return coroutine.wrap(function ()
-            for i=2,n do coroutine.yield(i) end
-          end)
-        end
-
-
-        function filter (p, g)
-          return coroutine.wrap(function ()
-            while 1 do
-              local n = g()
-              if n == nil then return end
-              if math.fmod(n, p) ~= 0 then coroutine.yield(n) end
-            end
-          end)
-        end
-
-        local x = gen(100)
-        local a = {}
-        while 1 do
-          local n = x()
-          if n == nil then break end
-          table.insert(a, n)
-          x = filter(n, x)
-        end
-
-        assert(#a == 25 and a[#a] == 97)
-        x, a = nil
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: yielding across JS boundaries", function (t) {
-    let luaCode = `
-        local f = function (s, i) return coroutine.yield(i) end
-
-        local f1 = coroutine.wrap(function ()
-                     return xpcall(pcall, function (...) return ... end,
-                       function ()
-                         local s = 0
-                         for i in f, nil, 1 do pcall(function () s = s + i end) end
-                         error({s})
-                       end)
-                   end)
-
-        f1()
-        for i = 1, 10 do assert(f1(i) == i) end
-        local r1, r2, v = f1(nil)
-        assert(r1 and not r2 and v[1] ==  (10 + 1)*10/2)
-
-
-        function f (a, b) a = coroutine.yield(a);  error{a + b} end
-        function g(x) return x[1]*2 end
-
-        co = coroutine.wrap(function ()
-               coroutine.yield(xpcall(f, g, 10, 20))
-             end)
-
-        assert(co() == 10)
-        r, msg = co(100)
-        assert(not r and msg == 240)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: unyieldable JS call", function (t) {
-    let luaCode = `
-        do
-          local function f (c)
-                  assert(not coroutine.isyieldable())
-                  return c .. c
-                end
-
-          local co = coroutine.wrap(function (c)
-                       assert(coroutine.isyieldable())
-                       local s = string.gsub("a", ".", f)
-                       return s
-                     end)
-          assert(co() == "aa")
-        end
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: errors in coroutines", function (t) {
-    let luaCode = `
-        function foo ()
-          assert(debug.getinfo(1).currentline == debug.getinfo(foo).linedefined + 1)
-          assert(debug.getinfo(2).currentline == debug.getinfo(goo).linedefined)
-          coroutine.yield(3)
-          error(foo)
-        end
-
-        function goo() foo() end
-        x = coroutine.wrap(goo)
-        assert(x() == 3)
-        local a,b = pcall(x)
-        assert(not a and b == foo)
-
-        x = coroutine.create(goo)
-        a,b = coroutine.resume(x)
-        assert(a and b == 3)
-        a,b = coroutine.resume(x)
-        assert(not a and b == foo and coroutine.status(x) == "dead")
-        a,b = coroutine.resume(x)
-        assert(not a and string.find(b, "dead") and coroutine.status(x) == "dead")
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: co-routines x for loop", function (t) {
-    let luaCode = `
-        function all (a, n, k)
-          if k == 0 then coroutine.yield(a)
-          else
-            for i=1,n do
-              a[k] = i
-              all(a, n, k-1)
-            end
-          end
-        end
-
-        local a = 0
-        for t in coroutine.wrap(function () all({}, 5, 4) end) do
-          a = a+1
-        end
-        assert(a == 5^4)
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: old bug: attempt to resume itself", function (t) {
-    let luaCode = `
-        function co_func (current_co)
-          assert(coroutine.running() == current_co)
-          assert(coroutine.resume(current_co) == false)
-          coroutine.yield(10, 20)
-          assert(coroutine.resume(current_co) == false)
-          coroutine.yield(23)
-          return 10
-        end
-
-        local co = coroutine.create(co_func)
-        local a,b,c = coroutine.resume(co, co)
-        assert(a == true and b == 10 and c == 20)
-        a,b = coroutine.resume(co, co)
-        assert(a == true and b == 23)
-        a,b = coroutine.resume(co, co)
-        assert(a == true and b == 10)
-        assert(coroutine.resume(co, co) == false)
-        assert(coroutine.resume(co, co) == false)
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: old bug: other old bug when attempting to resume itself", function (t) {
-    let luaCode = `
-        do
-          local A = coroutine.running()
-          local B = coroutine.create(function() return coroutine.resume(A) end)
-          local st, res = coroutine.resume(B)
-          assert(st == true and res == false)
-
-          A = coroutine.wrap(function() return pcall(A, 1) end)
-          st, res = A()
-          assert(not st and string.find(res, "non%-suspended"))
-        end
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: attempt to resume 'normal' coroutine", function (t) {
-    let luaCode = `
-        local co1, co2
-        co1 = coroutine.create(function () return co2() end)
-        co2 = coroutine.wrap(function ()
-                assert(coroutine.status(co1) == 'normal')
-                assert(not coroutine.resume(co1))
-                coroutine.yield(3)
-              end)
-
-        a,b = coroutine.resume(co1)
-        assert(a and b == 3)
-        assert(coroutine.status(co1) == 'dead')
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: infinite recursion of coroutines", function (t) {
-    let luaCode = `
-        a = function(a) coroutine.wrap(a)(a) end
-        assert(not pcall(a, a))
-        a = nil
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: access to locals of erroneous coroutines", function (t) {
-    let luaCode = `
-        local x = coroutine.create (function ()
-                    local a = 10
-                    _G.f = function () a=a+1; return a end
-                    error('x')
-                  end)
-
-        assert(not coroutine.resume(x))
-        -- overwrite previous position of local 'a'
-        assert(not coroutine.resume(x, 1, 1, 1, 1, 1, 1, 1))
-        assert(_G.f() == 11)
-        assert(_G.f() == 12)
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-test("[test-suite] coroutine: leaving a pending coroutine open", function (t) {
-    let luaCode = `
-        _X = coroutine.wrap(function ()
-              local a = 10
-              local x = function () a = a+1 end
-              coroutine.yield()
-            end)
-
-        _X()
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: stack overflow", function (t) {
-    let luaCode = `
-        -- bug (stack overflow)
-        local j = 2^9
-        local lim = 1000000    -- (C stack limit; assume 32-bit machine)
-        local t = {lim - 10, lim - 5, lim - 1, lim, lim + 1}
-        for i = 1, #t do
-          local j = t[i]
-          co = coroutine.create(function()
-                 local t = {}
-                 for i = 1, j do t[i] = i end
-                 return table.unpack(t)
-               end)
-          local r, msg = coroutine.resume(co)
-          assert(not r)
-        end
-        co = nil
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: testing yields inside metamethods", function (t) {
-    let luaCode = `
-        local a = new(10)
-        local b = new(12)
-        local c = new"hello"
-
-        assert(run(function () if (a>=b) then return '>=' else return '<' end end,
-               {"le", "sub"}) == "<")
-        -- '<=' using '<'
-        mt.__le = nil
-        assert(run(function () if (a<=b) then return '<=' else return '>' end end,
-               {"lt"}) == "<=")
-        assert(run(function () if (a==b) then return '==' else return '~=' end end,
-               {"eq"}) == "~=")
-
-        assert(run(function () return a & b + a end, {"add", "band"}) == 2)
-
-        assert(run(function () return a % b end, {"mod"}) == 10)
-
-        assert(run(function () return ~a & b end, {"bnot", "band"}) == ~10 & 12)
-        assert(run(function () return a | b end, {"bor"}) == 10 | 12)
-        assert(run(function () return a ~ b end, {"bxor"}) == 10 ~ 12)
-        assert(run(function () return a << b end, {"shl"}) == 10 << 12)
-        assert(run(function () return a >> b end, {"shr"}) == 10 >> 12)
-
-        assert(run(function () return a..b end, {"concat"}) == "1012")
-
-        assert(run(function() return a .. b .. c .. a end,
-               {"concat", "concat", "concat"}) == "1012hello10")
-
-        assert(run(function() return "a" .. "b" .. a .. "c" .. c .. b .. "x" end,
-               {"concat", "concat", "concat"}) == "ab10chello12x")
-
-        assert(run(function ()
-            a.BB = print
-            return a.BB
-        end, {"nidx", "idx"}) == print)
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: tests for comparsion operators", function (t) {
-    let luaCode = `
-        do
-          local mt1 = {
-            __le = function (a,b)
-              coroutine.yield(10)
-              return
-                (type(a) == "table" and a.x or a) <= (type(b) == "table" and b.x or b)
-            end,
-            __lt = function (a,b)
-              coroutine.yield(10)
-              return
-                (type(a) == "table" and a.x or a) < (type(b) == "table" and b.x or b)
-            end,
-          }
-          local mt2 = { __lt = mt1.__lt }   -- no __le
-
-          local function run (f)
-            local co = coroutine.wrap(f)
-            local res
-            repeat
-              res = co()
-            until res ~= 10
-            return res
-          end
-
-          local function test ()
-            local a1 = setmetatable({x=1}, mt1)
-            local a2 = setmetatable({x=2}, mt2)
-            assert(a1 < a2)
-            assert(a1 <= a2)
-            assert(1 < a2)
-            assert(1 <= a2)
-            assert(2 > a1)
-            assert(2 >= a2)
-            return true
-          end
-
-          run(test)
-
-        end
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: getuptable & setuptable", function (t) {
-    let luaCode = `
-        do local _ENV = _ENV
-          f = function () AAA = BBB + 1; return AAA end
-        end
-        g = new(10); g.k.BBB = 10;
-        debug.setupvalue(f, 1, g)
-        assert(run(f, {"idx", "nidx", "idx"}) == 11)
-        assert(g.k.AAA == 11)
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-test("[test-suite] coroutine: testing yields inside 'for' iterators", function (t) {
-    let luaCode = `
-        local f = function (s, i)
-              if i%2 == 0 then coroutine.yield(nil, "for") end
-              if i < s then return i + 1 end
-            end
-
-        assert(run(function ()
-                     local s = 0
-                     for i in f, 4, 0 do s = s + i end
-                     return s
-                   end, {"for", "for", "for"}) == 10)
-   `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-
-});
-
-
-const jsprefix = `
-    T = require('T')
-
-    function fact (t, x)
-      assert(turn == t)
-      if x == 0 then return 1
-      else return x*fact(t, x-1)
-      end
-    end
-`;
-
-test("[test-suite] coroutine: testing yields inside hooks", function (t) {
-    let luaCode = `
-        local A, B = 0, 0
-
-        local x = coroutine.create(function ()
-          T.sethook("yield 0", "", 2)
-          A = fact("A", 6)
-        end)
-
-        local y = coroutine.create(function ()
-          T.sethook("yield 0", "", 3)
-          B = fact("B", 7)
-        end)
-
-        while A==0 or B==0 do    -- A ~= 0 when 'x' finishes (similar for 'B','y')
-          if A==0 then turn = "A"; assert(T.resume(x)) end
-          if B==0 then turn = "B"; assert(T.resume(y)) end
-        end
-
-        assert(B // A == 7)    -- fact(7) // fact(6)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing yields inside line hook", function (t) {
-    let luaCode = `
-        local line = debug.getinfo(1, "l").currentline + 2    -- get line number
-        local function foo ()
-          local x = 10    --<< this line is 'line'
-          x = x + 10
-          _G.XX = x
-        end
-
-        -- testing yields in line hook
-        local co = coroutine.wrap(function ()
-          T.sethook("setglobal X; yield 0", "l", 0); foo(); return 10 end)
-
-        _G.XX = nil;
-        _G.X = nil; co(); assert(_G.X == line)
-        _G.X = nil; co(); assert(_G.X == line + 1)
-        _G.X = nil; co(); assert(_G.X == line + 2 and _G.XX == nil)
-        _G.X = nil; co(); assert(_G.X == line + 3 and _G.XX == 20)
-        assert(co() == 10)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing yields in count hook", function (t) {
-    let luaCode = `
-        local line = debug.getinfo(1, "l").currentline + 2    -- get line number
-        local function foo ()
-          local x = 10    --<< this line is 'line'
-          x = x + 10
-          _G.XX = x
-        end
-
-        -- testing yields in count hook
-        co = coroutine.wrap(function ()
-          T.sethook("yield 0", "", 1); foo(); return 10 end)
-
-        _G.XX = nil;
-        local c = 0
-        repeat c = c + 1; local a = co() until a == 10
-        assert(_G.XX == 20 and c >= 5)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing yields inside line hook", function (t) {
-    let luaCode = `
-        local line = debug.getinfo(1, "l").currentline + 2    -- get line number
-        local function foo ()
-          local x = 10    --<< this line is 'line'
-          x = x + 10
-          _G.XX = x
-        end
-
-        -- testing yields in count hook
-        co = coroutine.wrap(function ()
-          T.sethook("yield 0", "", 1); foo(); return 10 end)
-
-        _G.XX = nil;
-        local c = 0
-        repeat c = c + 1; local a = co() until a == 10
-        assert(_G.XX == 20 and c >= 5)
-
-        co = coroutine.wrap(function ()
-          T.sethook("yield 0", "", 2); foo(); return 10 end)
-
-        _G.XX = nil;
-        local c = 0
-        repeat c = c + 1; local a = co() until a == 10
-        assert(_G.XX == 20 and c >= 5)
-        _G.X = nil; _G.XX = nil
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing debug library on a coroutine suspended inside a hook", function (t) {
-    let luaCode = `
-        do
-          -- testing debug library on a coroutine suspended inside a hook
-          -- (bug in 5.2/5.3)
-          c = coroutine.create(function (a, ...)
-            T.sethook("yield 0", "l")   -- will yield on next two lines
-            assert(a == 10)
-            return ...
-          end)
-
-          assert(coroutine.resume(c, 1, 2, 3))   -- start coroutine
-          local n,v = debug.getlocal(c, 0, 1)    -- check its local
-          assert(n == "a" and v == 1)
-          n,v = debug.getlocal(c, 0, -1)         -- check varargs
-          assert(v == 2)
-          n,v = debug.getlocal(c, 0, -2)
-          assert(v == 3)
-          assert(debug.setlocal(c, 0, 1, 10))     -- test 'setlocal'
-          assert(debug.setlocal(c, 0, -2, 20))
-          local t = debug.getinfo(c, 0)        -- test 'getinfo'
-          assert(t.currentline == t.linedefined + 1)
-          assert(not debug.getinfo(c, 1))      -- no other level
-          assert(coroutine.resume(c))          -- run next line
-          v = {coroutine.resume(c)}         -- finish coroutine
-          assert(v[1] == true and v[2] == 2 and v[3] == 20 and v[4] == nil)
-          assert(not coroutine.resume(c))
-        end
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing debug library on last function in a suspended coroutine", function (t) {
-    let luaCode = `
-        do
-          -- testing debug library on last function in a suspended coroutine
-          -- (bug in 5.2/5.3)
-          local c = coroutine.create(function () T.testC("yield 1", 10, 20) end)
-          local a, b = coroutine.resume(c)
-          assert(a and b == 20)
-          assert(debug.getinfo(c, 0).linedefined == -1)
-          a, b = debug.getlocal(c, 0, 2)
-          assert(b == 10)
-        end
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: reusing a thread", function (t) {
-    let luaCode = `
-        assert(T.testC([[
-          newthread           # create thread
-          pushvalue 2         # push body
-          pushstring 'a a a'  # push argument
-          xmove 0 3 2         # move values to new thread
-          resume -1, 1        # call it first time
-          pushstatus
-          xmove 3 0 0         # move results back to stack
-          setglobal X         # result
-          setglobal Y         # status
-          pushvalue 2         # push body (to call it again)
-          pushstring 'b b b'
-          xmove 0 3 2
-          resume -1, 1        # call it again
-          pushstatus
-          xmove 3 0 0
-          return 1            # return result
-        ]], function (...) return ... end) == 'b b b')
-
-        assert(X == 'a a a' and Y == 'OK')
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: resuming running coroutine", function (t) {
-    let luaCode = `
-        C = coroutine.create(function ()
-              return T.testC([[
-                       pushnum 10;
-                       pushnum 20;
-                       resume -3 2;
-                       pushstatus
-                       gettop;
-                       return 3]], C)
-            end)
-        local a, b, c, d = coroutine.resume(C)
-        assert(a == true and string.find(b, "non%-suspended") and
-               c == "ERRRUN" and d == 4)
-
-        a, b, c, d = T.testC([[
-          rawgeti R 1    # get main thread
-          pushnum 10;
-          pushnum 20;
-          resume -3 2;
-          pushstatus
-          gettop;
-          return 4]])
-        assert(a == coroutine.running() and string.find(b, "non%-suspended") and
-               c == "ERRRUN" and d == 4)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-test("[test-suite] coroutine: using a main thread as a coroutine", function (t) {
-    let luaCode = `
-        local state = T.newstate()
-        T.loadlib(state)
-
-        assert(T.doremote(state, [[
-          coroutine = require'coroutine';
-          X = function (x) coroutine.yield(x, 'BB'); return 'CC' end;
-          return 'ok']]))
-
-        t = table.pack(T.testC(state, [[
-          rawgeti R 1     # get main thread
-          pushstring 'XX'
-          getglobal X    # get function for body
-          pushstring AA      # arg
-          resume 1 1      # 'resume' shadows previous stack!
-          gettop
-          setglobal T    # top
-          setglobal B    # second yielded value
-          setglobal A    # fist yielded value
-          rawgeti R 1     # get main thread
-          pushnum 5       # arg (noise)
-          resume 1 1      # after coroutine ends, previous stack is back
-          pushstatus
-          return *
-        ]]))
-        assert(t.n == 4 and t[2] == 'XX' and t[3] == 'CC' and t[4] == 'OK')
-        assert(T.doremote(state, "return T") == '2')
-        assert(T.doremote(state, "return A") == 'AA')
-        assert(T.doremote(state, "return B") == 'BB')
-
-        T.closestate(state)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: tests for coroutine API", function (t) {
-    let luaCode = `
-        local function apico (...)
-          local x = {...}
-          return coroutine.wrap(function ()
-            return T.testC(table.unpack(x))
-          end)
-        end
-
-        local a = {apico(
-        [[
-          pushstring errorcode
-          pcallk 1 0 2;
-          invalid command (should not arrive here)
-        ]],
-        [[return *]],
-        "stackmark",
-        error
-        )()}
-        assert(#a == 4 and
-               a[3] == "stackmark" and
-               a[4] == "errorcode" and
-               _G.status == "ERRRUN" and
-               _G.ctx == 2)       -- 'ctx' to pcallk
-
-        local co = apico(
-          "pushvalue 2; pushnum 10; pcallk 1 2 3; invalid command;",
-          coroutine.yield,
-          "getglobal status; getglobal ctx; pushvalue 2; pushstring a; pcallk 1 0 4; invalid command",
-          "getglobal status; getglobal ctx; return *")
-
-        assert(co() == 10)
-        assert(co(20, 30) == 'a')
-        a = {co()}
-        assert(#a == 10 and
-               a[2] == coroutine.yield and
-               a[5] == 20 and a[6] == 30 and
-               a[7] == "YIELD" and a[8] == 3 and
-               a[9] == "YIELD" and a[10] == 4)
-        assert(not pcall(co))   -- coroutine is dead now
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: tests for coroutine API", function (t) {
-    let luaCode = `
-        f = T.makeCfunc("pushnum 3; pushnum 5; yield 1;")
-        co = coroutine.wrap(function ()
-          assert(f() == 23); assert(f() == 23); return 10
-        end)
-        assert(co(23,16) == 5)
-        assert(co(23,16) == 5)
-        assert(co(23,16) == 10)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing coroutines with C bodies", function (t) {
-    let luaCode = `
-        local function eqtab (t1, t2)
-          assert(#t1 == #t2)
-          for i = 1, #t1 do
-            local v = t1[i]
-            assert(t2[i] == v)
-          end
-        end
-
-        f = T.makeCfunc([[
-                pushnum 102
-            yieldk  1 U2
-            cannot be here!
-        ]],
-        [[      # continuation
-            pushvalue U3   # accessing upvalues inside a continuation
-                pushvalue U4
-            return *
-        ]], 23, "huu")
-
-        x = coroutine.wrap(f)
-        assert(x() == 102)
-        eqtab({x()}, {23, "huu"})
-
-
-        f = T.makeCfunc[[pushstring 'a'; pushnum 102; yield 2; ]]
-
-        a, b, c, d = T.testC([[newthread; pushvalue 2; xmove 0 3 1; resume 3 0;
-                               pushstatus; xmove 3 0 0;  resume 3 0; pushstatus;
-                               return 4; ]], f)
-
-        assert(a == 'YIELD' and b == 'a' and c == 102 and d == 'OK')
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing chain of suspendable C calls", function (t) {
-    let luaCode = `
-        local count = 3   -- number of levels
-
-        f = T.makeCfunc([[
-          remove 1;             # remove argument
-          pushvalue U3;         # get selection function
-          call 0 1;             # call it  (result is 'f' or 'yield')
-          pushstring hello      # single argument for selected function
-          pushupvalueindex 2;   # index of continuation program
-          callk 1 -1 .;     # call selected function
-          errorerror        # should never arrive here
-        ]],
-        [[
-          # continuation program
-          pushnum 34    # return value
-          return *     # return all results
-        ]],
-        function ()     -- selection function
-          count = count - 1
-          if count == 0 then return coroutine.yield
-          else return f
-          end
-        end
-        )
-
-        co = coroutine.wrap(function () return f(nil) end)
-        assert(co() == "hello")   -- argument to 'yield'
-        a = {co()}
-        -- three '34's (one from each pending C call)
-        assert(#a == 3 and a[1] == a[2] and a[2] == a[3] and a[3] == 34)
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: testing yields with continuations", function (t) {
-    let luaCode = `
-        co = coroutine.wrap(function (...) return
-               T.testC([[ # initial function
-                  yieldk 1 2
-                  cannot be here!
-               ]],
-               [[  # 1st continuation
-                 yieldk 0 3
-                 cannot be here!
-               ]],
-               [[  # 2nd continuation
-                 yieldk 0 4
-                 cannot be here!
-               ]],
-               [[  # 3th continuation
-                  pushvalue 6   # function which is last arg. to 'testC' here
-                  pushnum 10; pushnum 20;
-                  pcall 2 0 0   # call should throw an error and return to next line
-                  pop 1     # remove error message
-                  pushvalue 6
-                  getglobal status; getglobal ctx
-                  pcallk 2 2 5  # call should throw an error and jump to continuation
-                  cannot be here!
-               ]],
-               [[  # 4th (and last) continuation
-                 return *
-               ]],
-               -- function called by 3th continuation
-               function (a,b) x=a; y=b; error("errmsg") end,
-               ...
-        )
-        end)
-
-        local a = {co(3,4,6)}
-        assert(a[1] == 6 and a[2] == nil)
-        a = {co()}; assert(a[1] == nil and _G.status == "YIELD" and _G.ctx == 2)
-        a = {co()}; assert(a[1] == nil and _G.status == "YIELD" and _G.ctx == 3)
-        a = {co(7,8)};
-        -- original arguments
-        assert(type(a[1]) == 'string' and type(a[2]) == 'string' and
-             type(a[3]) == 'string' and type(a[4]) == 'string' and
-             type(a[5]) == 'string' and type(a[6]) == 'function')
-        -- arguments left from fist resume
-        assert(a[7] == 3 and a[8] == 4)
-        -- arguments to last resume
-        assert(a[9] == 7 and a[10] == 8)
-        -- error message and nothing more
-        assert(a[11]:find("errmsg") and #a == 11)
-        -- check arguments to pcallk
-        assert(x == "YIELD" and y == 4)
-
-        assert(not pcall(co))   -- coroutine should be dead
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});
-
-
-test("[test-suite] coroutine: bug in nCcalls", function (t) {
-    let luaCode = `
-        local co = coroutine.wrap(function ()
-          local a = {pcall(pcall,pcall,pcall,pcall,pcall,pcall,pcall,error,"hi")}
-          return pcall(assert, table.unpack(a))
-        end)
-
-        local a = {co()}
-        assert(a[10] == "hi")
-    `, L;
-
-    t.plan(2);
-
-    t.doesNotThrow(function () {
-
-        L = lauxlib.luaL_newstate();
-
-        lualib.luaL_openlibs(L);
-
-        ltests.luaopen_tests(L);
-
-        lauxlib.luaL_loadstring(L, to_luastring(luaCode));
-
-    }, "Lua program loaded without error");
-
-    t.doesNotThrow(function () {
-
-        lua.lua_call(L, 0, -1);
-
-    }, "Lua program ran without error");
-});