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"use strict";
const lua = require('../src/lua.js');
const lauxlib = require('../src/lauxlib.js');
const lualib = require('../src/lualib.js');
const lstate = require('../src/lstate.js');
const {to_luastring} = require("../src/fengaricore.js");
test('coroutine.create, coroutine.yield, coroutine.resume', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local co = coroutine.create(function (start)
local b = coroutine.yield(start * start);
coroutine.yield(b * b)
end)
local success, pow = coroutine.resume(co, 5)
success, pow = coroutine.resume(co, pow)
return pow
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(lua.lua_tonumber(L, -1))
.toBe(625);
});
test('coroutine.status', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local co = coroutine.create(function (start)
local b = coroutine.yield(start * start);
coroutine.yield(b * b)
end)
local s1 = coroutine.status(co)
local success, pow = coroutine.resume(co, 5)
success, pow = coroutine.resume(co, pow)
coroutine.resume(co, pow)
local s2 = coroutine.status(co)
return s1, s2
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(lua.lua_tojsstring(L, -2))
.toBe("suspended");
expect(lua.lua_tojsstring(L, -1))
.toBe("dead");
});
test('coroutine.isyieldable', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local co = coroutine.create(function ()
coroutine.yield(coroutine.isyieldable());
end)
local succes, yieldable = coroutine.resume(co)
return yieldable, coroutine.isyieldable()
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(lua.lua_toboolean(L, -2)).toBe(true);
expect(lua.lua_toboolean(L, -1)).toBe(false);
});
test('coroutine.running', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local running, ismain
local co = coroutine.create(function ()
running, ismain = coroutine.running()
end)
coroutine.resume(co)
return running, ismain
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(lua.lua_tothread(L, -2)).toBeInstanceOf(lstate.lua_State);
expect(lua.lua_toboolean(L, -1)).toBe(false);
});
test('coroutine.wrap', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local co = coroutine.wrap(function (start)
local b = coroutine.yield(start * start);
coroutine.yield(b * b)
end)
pow = co(5)
pow = co(pow)
return pow
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(lua.lua_tonumber(L, -1))
.toBe(625);
});
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