From a48f90b05b654cc98727a91c5fd9952c5a86221c Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 14 Feb 2009 18:53:40 +0000
Subject: * hash.c (rb_hash): always return a fixnum value because a return  
 value of rb_hash may be used as a hash value itself and bignums have   no
 unique VALUE.

* test/ruby/test_hash.rb: add a test for above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22308 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_hash.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/ruby/test_hash.rb')

diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 5a17ac4fb5..50a34b8160 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -849,4 +849,15 @@ class TestHash < Test::Unit::TestCase
   def test_hash_hash
     assert_equal({0=>2,11=>1}.hash, {11=>1,0=>2}.hash)
   end
+
+  def test_hash_bignum_hash
+    x = 2<<(32-3)-1
+    assert_equal({x=>1}.hash, {x=>1}.hash)
+    x = 2<<(64-3)-1
+    assert_equal({x=>1}.hash, {x=>1}.hash)
+
+    o = Object.new
+    def o.hash; 2<<100; end
+    assert_equal({x=>1}.hash, {x=>1}.hash)
+  end
 end
-- 
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