From d22e08f9375dbc0d0a962751d1c57f17b22f01b6 Mon Sep 17 00:00:00 2001
From: tarui <tarui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 10 Jul 2011 00:47:31 +0000
Subject: 	* range.c (range_max): fix behavior with excluded end value. 
   [Bug #4591]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32482 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 range.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'range.c')

diff --git a/range.c b/range.c
index 083c70a165..b7ae19118e 100644
--- a/range.c
+++ b/range.c
@@ -665,6 +665,9 @@ range_max(VALUE range)
 		rb_raise(rb_eTypeError, "cannot exclude non Integer end value");
 	    }
 	    if (c == 0) return Qnil;
+	    if (!FIXNUM_P(b) && !rb_obj_is_kind_of(b,rb_cInteger)) {
+		rb_raise(rb_eTypeError, "cannot exclude end value with non Integer begin value");
+	    }
 	    if (FIXNUM_P(e)) {
 		return LONG2NUM(FIX2LONG(e) - 1);
 	    }
-- 
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