tools/fuzz.rb in json-1.1.2 vs tools/fuzz.rb in json-1.1.3

@@ -1,8 +1,16 @@
 $KCODE='UTF8'
 require 'json'
 
+require 'iconv'
+ISO_8859_1_TO_UTF8 = Iconv.new('utf-8', 'iso-8859-15')
+class ::String
+  def to_utf8
+    ISO_8859_1_TO_UTF8.iconv self
+  end
+end
+
 class Fuzzer
   def initialize(n, freqs = {})
     sum = freqs.inject(0.0) { |s, x| s + x.last }
     freqs.each_key { |x| freqs[x] /= sum }
     s = 0.0
@@ -10,16 +18,16 @@
       freqs[x] = s .. (s + t = freqs[x])
       s += t
     end
     @freqs = freqs
     @n = n
-    @alpha = (0..0x7f).to_a
+    @alpha = (0..0xff).to_a
   end
 
   def random_string
     s = ''
     30.times { s << @alpha[rand(@alpha.size)] }
-    s
+    s.to_utf8
   end
 
   def pick
     r = rand
     found = @freqs.find { |k, f| f.include? rand }