use local variables

* test/ruby/test_eval.rb: use local variables instead global variables
  if possible.
* test/ruby/test_ifunless.rb: ditto.
* test/ruby/test_iterator.rb: ditto.
* test/ruby/test_stringchar.rb: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36662 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 7 deletions

diff --git a/test/ruby/test_ifunless.rb b/test/ruby/test_ifunless.rb
index bffc794512..e144ff8efd 100644
--- a/test/ruby/test_ifunless.rb
+++ b/test/ruby/test_ifunless.rb
@@ -2,13 +2,13 @@ require 'test/unit'
 
 class TestIfunless < Test::Unit::TestCase
   def test_if_unless
-    $x = 'test';
-    assert(if $x == $x then true else false end)
-    $bad = false
-    unless $x == $x
-      $bad = true
+    x = 'test';
+    assert(if x == x then true else false end)
+    bad = false
+    unless x == x
+      bad = true
     end
-    assert(!$bad)
-    assert(unless $x != $x then true else false end)
+    assert(!bad)
+    assert(unless x != x then true else false end)
   end
 end