* numeric.c (int_upto, int_downto): Support for Integer#{down|up}to.size

  [Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37518 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index 3ce471bb24..fe00aa7e57 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -543,5 +543,11 @@ class TestEnumerator < Test::Unit::TestCase
     assert_equal Float::INFINITY, (42..Float::INFINITY).step(2).size
     assert_raise(ArgumentError){ (1..10).step(-2).size }
   end
+
+  def test_size_for_downup_to
+    assert_equal 0, 1.upto(-100).size
+    assert_equal 102, 1.downto(-100).size
+    assert_equal Float::INFINITY, 42.upto(Float::INFINITY).size
+  end
 end