function testListOfGlobalVars()
{
$sandbox = new Lua();
$globals = array();
$sandbox->registerCallback('phpCallback', function ($key) use(&$globals) {
$globals[] = $key;
});
$sandbox->eval(<<<CODE
local cb = phpCallback
_G.phpCallback = nil
\tfor n,v in pairs(_G) do
cb(n)
\tend
CODE
);
sort($globals);
$this->assertEquals(LuaGlobals::getGlobals(), $globals);
}
function testUnset()
{
$unsetKeys = array('dofile', 'loadfile', 'module', 'require', 'coroutine', 'debug', 'file', 'io', 'os', 'package');
$this->obj->unsetVar($unsetKeys);
$globals = $this->obj->run(<<<CODE
local names = {}
for name, val in pairs(_G) do
table.insert(names, name)
end
table.sort(names)
return names
CODE
);
$luaGlobals = LuaGlobals::getGlobals();
$luaGlobals = array_flip($luaGlobals);
foreach ($luaGlobals as $key => $i) {
$luaGlobals[$key] = !in_array($key, $unsetKeys);
}
$luaGlobals = array_filter($luaGlobals);
$luaGlobals = array_keys($luaGlobals);
$this->assertEquals($luaGlobals, array_values($globals));
}