* range.c (range_max, range_min): return nil for empty set as well as

  1.8 and Enumerable.  [ruby-dev:31198]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/range.c b/range.c
index a63919d0d9..15615a46bc 100644
--- a/range.c
+++ b/range.c
@@ -468,7 +468,7 @@ range_min(VALUE range)
 	VALUE e = rb_ivar_get(range, id_end);
 	int c = rb_cmpint(rb_funcall(b, id_cmp, 1, e), b, e);
 
-	if (c > 0)
+	if (c > 0 || (c == 0 && EXCL(range)))
 	    return Qnil;
 	return b;
     }
@@ -502,6 +502,7 @@ range_max(VALUE range)
 	if (c > 0)
 	    return Qnil;
 	if (EXCL(range)) {
+	    if (c == 0) return Qnil;
 	    if (FIXNUM_P(e)) {
 		return LONG2NUM(FIX2LONG(e) - 1);
 	    }