text: require("import")	-- the import fn
  import("array_member")	-- import lib
  am = array_member
  
  -- catch "undefined" global 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})
  
  assert(am.get_value(am.global_data,0) == 0)
  assert(am.get_value(am.global_data,7) == 7)
  
  foo = am.Foo()
  foo.data = am.global_data
  assert(am.get_value(foo.data,0) == 0)
  
  for i = 0, 7 do
    assert(am.get_value(foo.data,i) == am.get_value(am.global_data,i))
  end
  
  
  for i = 0, 7 do
    am.set_value(am.global_data,i,-i)
  end
  
  am.global_data = foo.data
  
  for i = 0, 7 do
    assert(am.get_value(foo.data,i) == am.get_value(am.global_data,i))
  end
  