-- test script for ELua/Lunatic Interpreter

print('--- ELua Test script ---')

local function checkfail(funcstr)
    local status, res = pcall(DBG_.loadstring(funcstr))
    if (status) then
        print('ERROR: '..funcstr.." DIDN'T fail")
    else
        print('SUCCESS: '..funcstr.." failed: "..res)
    end
end

local i

print('tweaking sector pals')
---[[
for i = 0, gv.numsectors/2 do
    sector[i].floorpal = 1;
    sector[i].ceilingpal = 2;
end

checkfail('gv.sprite[0].yrepeat = 100')  -- direct gv array access forbidden
print('tweaking some sprites 2')
i = 562
spriteext[i].alpha = 0.5;
sprite[i].cstat = bit.bor(sprite[i].cstat, 2+512);
spriteext[i].pitch = 128;
spriteext[i].roll = 256;
for spr in spritesofsect(307) do  -- some fence sprites in E1L1
    print('spr', spr)
    sprite[spr].pal = 6
end
for spr in spritesofsect(236) do
    print('#spr', spr)
end
--]]
print('_G contains:')
for k,v in pairs(_G) do
    print(k, v)
end

checkfail('print(sprite[100000].ceilingpal)')  -- oob read access
checkfail('setmetatable(sprite, {})')  -- set metatable forbidden
checkfail('sector[-1].ceilingpal = 4')  -- oob write access
checkfail('sector[0].wallnum = 0')  -- wallnum member is read-only
checkfail('gv.numsectors = 4')  -- gv.numsectors is read-only
checkfail('sector[4] = sector[6]')  -- direct sector write access forbidden
checkfail("require('os')")  -- 'require' has been thrown away to be replaced by
                            -- something more restricted later

print('--- end test script ---')