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-rw-r--r--tests/test-suite/coroutine.js1665
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");
-});
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