add tag v1_8_5_91v1_8_5_91

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/ruby_1_8_5/test/ruby/test_trace.rb b/ruby_1_8_5/test/ruby/test_trace.rb
new file mode 100644
index 0000000000..6adfe0bf64
--- /dev/null
+++ b/ruby_1_8_5/test/ruby/test_trace.rb
@@ -0,0 +1,21 @@
+require 'test/unit'
+
+class TestTrace < Test::Unit::TestCase
+  def test_trace
+    $x = 1234
+    $y = 0
+    trace_var :$x, proc{$y = $x}
+    $x = 40414
+    assert_equal($x, $y)
+    
+    untrace_var :$x
+    $x = 19660208
+    assert_not_equal($x, $y)
+    
+    trace_var :$x, proc{$x *= 2}
+    $x = 5
+    assert_equal(10, $x)
+    
+    untrace_var :$x
+  end
+end