test/test_signature.rb in oauth-0.3.6 vs test/test_signature.rb in oauth-0.3.7.pre1

@@ -1,19 +1,22 @@
+# -*- encoding: utf-8 -*-
+
 require File.dirname(__FILE__) + '/test_helper.rb'
 
 class TestOauth < Test::Unit::TestCase
 
   def test_parameter_escaping_kcode_invariant
-    old = $KCODE
+    ruby19 = RUBY_VERSION =~ /^1\.9/
+    old = $KCODE if !ruby19
     begin
       %w(n N e E s S u U).each do |kcode|
-        $KCODE = kcode
+        $KCODE = kcode if !ruby19
         assert_equal '%E3%81%82', OAuth::Helper.escape('あ'),
                       "Failed to correctly escape Japanese under $KCODE = #{kcode}"
         assert_equal '%C3%A9', OAuth::Helper.escape('é'),
                       "Failed to correctly escape e+acute under $KCODE = #{kcode}"
       end
     ensure
-      $KCODE = old
+      $KCODE = old if !ruby19
     end
   end
 end