From 24c863cf84f8c4573d2b8c30c88258c6b18e9f1a Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 16 Oct 2007 11:06:27 +0000
Subject: [PATCH] It should be ArgumentError that   Regexp.union(     "a",    
 Regexp.new("\x80".force_encoding("euc-jp")),    
 Regexp.new("\x80".force_encoding("utf-8"))).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bootstraptest/test_knownbug.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/bootstraptest/test_knownbug.rb b/bootstraptest/test_knownbug.rb
index 23a020a771..c2d0624bb8 100644
--- a/bootstraptest/test_knownbug.rb
+++ b/bootstraptest/test_knownbug.rb
@@ -45,3 +45,15 @@ assert_normal_exit %q{
 assert_normal_exit %q{
   Regexp.union("a", "a")
 }
+
+assert_equal 'ok', %q{
+  begin
+    Regexp.union(
+      "a",
+      Regexp.new("\x80".force_encoding("euc-jp")),
+      Regexp.new("\x80".force_encoding("utf-8")))
+    :ng
+  rescue ArgumentError
+    :ok
+  end
+}