Code.require_file "../../test_helper", __FILE__

defmodule Kernel.AliasTest.Nested do
  def value, do: 1
end

defmodule Kernel.AliasTest do
  alias Kernel.AliasTest.Nested, as: Nested

  use ExUnit.Case

  test :alias_erlang do
    alias Erlang.lists, as: MyList
    assert MyList.flatten([1,[2],3]) == [1,2,3]
    assert __MAIN__.MyList.Bar == :"__MAIN__.MyList.Bar"
    assert MyList.Bar == :"__MAIN__.lists.Bar"
  end

  test :double_alias do
    alias Kernel.AliasTest.Nested, as: Nested2
    assert Nested.value  == 1
    assert Nested2.value == 1
  end

  test :overwriten_alias do
    alias List, as: Nested
    assert Nested.flatten([[13]]) == [13]
  end
end