# File test/test_wpm_check_util.rb, line 33
    def test_empty_string?
      assert(! (empty_string? 'foo'))
      assert(! (empty_string? ' '))
      assert((empty_string? ''))
      assert((empty_string? nil))
      assert(! (empty_string? 'foo', true))
      assert((empty_string? ' ', true))
      assert((empty_string? '', true))
      assert((empty_string? nil, true))
    end