1Code.require_file("../../test_helper.exs", __DIR__)
2
3defmodule Mix.Tasks.IExTest do
4  use MixTest.Case, async: true
5
6  test "raises error message about correct usage", context do
7    in_tmp(context.test, fn ->
8      msg = "To use IEx with Mix, please run \"iex -S mix\""
9
10      assert_raise Mix.Error, msg, fn ->
11        Mix.Tasks.Iex.run([])
12      end
13    end)
14  end
15end
16