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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 {to_luastring} = require("../src/fengaricore.js");
const inttable2array = function(t) {
let a = [];
t.strong.forEach(function (v, k) {
if (v.key.ttisnumber())
a[k - 1] = v.value;
});
return a.map(e => e.value);
};
test('table.concat', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
return table.concat({1, 2, 3, 4, 5, 6, 7}, ",", 3, 5)
`;
{
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, -1)).toBe("3,4,5");
});
test('table.pack', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
return table.pack(1, 2, 3)
`;
{
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_topointer(L, -1).strong.entries()]
.filter(e => e[1].key.ttisnumber()) // Filter out the 'n' field
.map(e => e[1].value.value).reverse()
).toEqual([1, 2, 3]);
});
test('table.unpack', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
return table.unpack({1, 2, 3, 4, 5}, 2, 4)
`;
{
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_tointeger(L, -3)).toBe(2);
expect(lua.lua_tointeger(L, -2)).toBe(3);
expect(lua.lua_tointeger(L, -1)).toBe(4);
});
test('table.insert', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local t = {1, 3, 4}
table.insert(t, 5)
table.insert(t, 2, 2)
return t
`;
{
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_topointer(L, -1).strong.entries()]
.filter(e => e[1].key.ttisnumber())
.map(e => e[1].value.value).sort()
).toEqual([1, 2, 3, 4, 5]);
});
test('table.remove', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local t = {1, 2, 3, 3, 4, 4}
table.remove(t)
table.remove(t, 3)
return t
`;
{
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_topointer(L, -1).strong.entries()]
.filter(e => e[1].key.ttisnumber())
.map(e => e[1].value.value).sort()
).toEqual([1, 2, 3, 4]);
});
test('table.move', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local t1 = {3, 4, 5}
local t2 = {1, 2, nil, nil, nil, 6}
return table.move(t1, 1, #t1, 3, t2)
`;
{
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_topointer(L, -1).strong.entries()]
.filter(e => e[1].key.ttisnumber())
.map(e => e[1].value.value).sort()
).toEqual([1, 2, 3, 4, 5, 6]);
});
test('table.sort (<)', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local t = {3, 1, 5, ['just'] = 'tofuckitup', 2, 4}
table.sort(t)
return t
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(inttable2array(lua.lua_topointer(L, -1)))
.toEqual([1, 2, 3, 4, 5]);
});
test('table.sort with cmp function', () => {
let L = lauxlib.luaL_newstate();
if (!L) throw Error("failed to create lua state");
let luaCode = `
local t = {3, 1, 5, ['just'] = 'tofuckitup', 2, 4}
table.sort(t, function (a, b)
return a > b
end)
return t
`;
{
lualib.luaL_openlibs(L);
expect(lauxlib.luaL_loadstring(L, to_luastring(luaCode))).toBe(lua.LUA_OK);
lua.lua_call(L, 0, -1);
}
expect(inttable2array(lua.lua_topointer(L, -1)))
.toEqual([5, 4, 3, 2, 1]);
});
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