From 2b14633bf7a15d14541fb3e5d58829bfb8f794c5 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 27 Apr 2008 01:16:26 +0000
Subject: [PATCH] add a test for [ruby-dev:34492].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16216 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bootstraptest/test_knownbug.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/bootstraptest/test_knownbug.rb b/bootstraptest/test_knownbug.rb
index 87efa9f968..cc422194e7 100644
--- a/bootstraptest/test_knownbug.rb
+++ b/bootstraptest/test_knownbug.rb
@@ -155,3 +155,20 @@ assert_equal 'ok', %q{
     :ng
   end
 }, "[ruby-dev:34236]"
+
+assert_equal 'ok', %q{
+  def m
+    t = Thread.new { while true do // =~ "" end }
+    sleep 0.1
+    10.times {
+      if /((ab)*(ab)*)*(b)/ =~ "ab"*7
+        return :ng if !$4
+        return :ng if $~.size != 5
+      end
+    }
+    :ok
+  ensure
+    Thread.kill t
+  end
+  m
+}, '[ruby-dev:34492]'