# File glib/tests/test-iochannel.rb, line 72
  def test_readchar
    io = GLib::IOChannel.new(TEST_FILE)
    text = "aaa\nbbb\nccc\nあああ\n".split(//)
    text.each do |v|
      assert_equal(v.unpack("U")[0], io.readchar)
    end
    assert_raises(EOFError) {
      io.readchar
    }
    io.close
  end