* string.c (rb_str_upto): generate numerical sequence when

  characters in both edges are all digits.  [ruby-talk:343186]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24562 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index 9dfd29012a..017a8cb71a 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -9,6 +9,12 @@ class TestRange < Test::Unit::TestCase
     assert_equal(["a", "b"], ("a" .. "b").to_a)
   end
 
+  def test_range_numeric_string
+    assert_equal(["6", "7", "8"], ("6".."8").to_a, "[ruby-talk:343187]")
+    assert_equal(["6", "7"], ("6"..."8").to_a)
+    assert_equal(["9", "10"], ("9".."10").to_a)
+  end
+
   def test_evaluation_order
     arr = [1,2]
     r = (arr.shift)..(arr.shift)