| require("import") -- the import fn |
| import("smart_pointer_not") -- import lib into global |
| spn=smart_pointer_not --alias |
| |
| -- catching undefined variables |
| local env = _ENV -- Lua 5.2 |
| if not env then env = getfenv () end -- Lua 5.1 |
| setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end}) |
| |
| |
| foo = spn.Foo() |
| foo.x = 7 |
| assert(foo:getx() == 7) |
| |
| bar = spn.Bar(foo) |
| success = pcall(bar.getx, bar) -- Bar is not a smart pointer. Call should fail |
| assert(not success) |
| |
| spam = spn.Spam(foo) |
| success = pcall(spam.getx, spam) -- Spam is not a smart pointer. Call should fail |
| assert(not success) |
| |
| grok = spn.Grok(foo) |
| success = pcall(grok.getx, grok) -- Spam is not a smart pointer. Call should fail |
| assert(not success) |
