* enum.c: Make Enumerable#chunk with no block return

  an Enumerator [#2172]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56342 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb
index c87c60ac09..4ff4f88ca9 100644
--- a/test/ruby/test_enum.rb
+++ b/test/ruby/test_enum.rb
@@ -611,6 +611,12 @@ class TestEnumerable < Test::Unit::TestCase
 
     e = @obj.chunk {|elt| :_foo }
     assert_raise(RuntimeError) { e.to_a }
+
+    e = @obj.chunk.with_index {|elt, i| elt - i }
+    assert_equal([[1, [1, 2, 3]],
+                  [-2, [1, 2]]], e.to_a)
+
+    assert_equal(4, (0..3).chunk.size)
   end
 
   def test_slice_before