encoding_test.rb

# encoding: utf-8
Encoding.default_internal = "ISO-8859-1"

require "minitest/autorun"

class EncodingTest < MiniTest::Unit::TestCase
  def setup
    @s = "äöü"
  end

  def test_encoding
    assert_equal Encoding::UTF_8, @s.encoding
  end

  def test_encode_bang_no_arguments
    @s.encode!
    assert_equal Encoding::ISO_8859_1, @s.encoding
  end

  def test_encode_bang_only_hash
    @s.encode!({:invalid => :replace, :undef => :replace})
    assert_equal Encoding::ISO_8859_1, @s.encoding
  end
end