* enumerator.c: Add support for lazy.drop.size

  [Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37524 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index e09c3af837..9647590136 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -341,5 +341,10 @@ EOS
     assert_equal 3, lazy.take(4).size
     assert_equal 4, loop.lazy.take(4).size
     assert_equal nil, lazy.select{}.take(4).size
+
+    assert_equal 1, lazy.drop(2).size
+    assert_equal 0, lazy.drop(4).size
+    assert_equal Float::INFINITY, loop.lazy.drop(4).size
+    assert_equal nil, lazy.select{}.drop(4).size
   end
 end