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"use strict";
const test = require('tape');
const beautify = require('js-beautify').js_beautify;
const tests = require("./tests.js");
const getState = tests.getState;
const toByteCode = tests.toByteCode;
const VM = require("../src/lvm.js");
const lauxlib = require("../src/lauxlib.js");
const lua = require('../src/lua.js');
const linit = require('../src/linit.js');
const lstate = require('../src/lstate.js');
test('coroutine.create, coroutine.yield, coroutine.resume', function (t) {
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
`, L;
t.plan(2);
t.doesNotThrow(function () {
let bc = toByteCode(luaCode);
L = lauxlib.luaL_newstate();
linit.luaL_openlibs(L);
lua.lua_load(L, null, bc, lua.to_luastring("test-coroutine"), lua.to_luastring("binary"));
lua.lua_call(L, 0, -1);
}, "JS Lua program ran without error");
t.strictEqual(
lua.lua_tonumber(L, -1),
625,
"Correct element(s) on the stack"
);
});
test('coroutine.status', function (t) {
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
`, L;
t.plan(3);
t.doesNotThrow(function () {
let bc = toByteCode(luaCode);
L = lauxlib.luaL_newstate();
linit.luaL_openlibs(L);
lua.lua_load(L, null, bc, lua.to_luastring("test-coroutine.status"), lua.to_luastring("binary"));
lua.lua_call(L, 0, -1);
}, "JS Lua program ran without error");
t.strictEqual(
lua.lua_tojsstring(L, -2),
"suspended",
"Correct element(s) on the stack"
);
t.strictEqual(
lua.lua_tojsstring(L, -1),
"dead",
"Correct element(s) on the stack"
);
});
test('coroutine.isyieldable', function (t) {
let luaCode = `
local co = coroutine.create(function ()
coroutine.yield(coroutine.isyieldable());
end)
local succes, yieldable = coroutine.resume(co)
return yieldable, coroutine.isyieldable()
`, L;
t.plan(3);
t.doesNotThrow(function () {
let bc = toByteCode(luaCode);
L = lauxlib.luaL_newstate();
linit.luaL_openlibs(L);
lua.lua_load(L, null, bc, lua.to_luastring("test-coroutine.isyieldable"), lua.to_luastring("binary"));
lua.lua_call(L, 0, -1);
}, "JS Lua program ran without error");
t.ok(
lua.lua_toboolean(L, -2),
"Correct element(s) on the stack"
);
t.notOk(
lua.lua_toboolean(L, -1),
"Correct element(s) on the stack"
);
});
test('coroutine.running', function (t) {
let luaCode = `
local running, ismain
local co = coroutine.create(function ()
running, ismain = coroutine.running()
end)
coroutine.resume(co)
return running, ismain
`, L;
t.plan(3);
t.doesNotThrow(function () {
let bc = toByteCode(luaCode);
L = lauxlib.luaL_newstate();
linit.luaL_openlibs(L);
lua.lua_load(L, null, bc, lua.to_luastring("test-coroutine.running"), lua.to_luastring("binary"));
lua.lua_call(L, 0, -1);
}, "JS Lua program ran without error");
t.ok(
lua.lua_tothread(L, -2) instanceof lstate.lua_State,
"Correct element(s) on the stack"
);
t.notOk(
lua.lua_toboolean(L, -1),
"Correct element(s) on the stack"
);
});
test('coroutine.wrap', function (t) {
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
`, L;
t.plan(2);
t.doesNotThrow(function () {
let bc = toByteCode(luaCode);
L = lauxlib.luaL_newstate();
linit.luaL_openlibs(L);
lua.lua_load(L, null, bc, lua.to_luastring("test-coroutine.wrap"), lua.to_luastring("binary"));
lua.lua_call(L, 0, -1);
}, "JS Lua program ran without error");
t.strictEqual(
lua.lua_tonumber(L, -1),
625,
"Correct element(s) on the stack"
);
});
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