From 11b262e44ccde7a85c5dc8011356256e22a3f4ff Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 15 Jun 2008 10:55:07 +0000
Subject: merge revision(s) 15645:15647: 	* bignum.c (big2str_find_n1):
 check integer overflow.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17198 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_bignum.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb
index c238337db5..e070a9c866 100644
--- a/test/ruby/test_bignum.rb
+++ b/test/ruby/test_bignum.rb
@@ -84,4 +84,12 @@ class TestBignum < Test::Unit::TestCase
     shift_test(-4518325415524767873)
     shift_test(-0xfffffffffffffffff)
   end
+
+  def test_too_big_to_s
+    if (big = 2**31-1).is_a?(Fixnum)
+      return
+    end
+    e = assert_raise(RangeError) {(1 << big).to_s}
+    assert_match(/too big to convert/, e.message)
+  end
 end
-- 
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