* enumerator.c (lazy_take_func, lazy_take): multiple calls of

  force/to_a method to Enumerator::Lazy#take should return same
  results. [ruby-dev:45634] [Bug #6428]

* test/ruby/test_lazy_enumerator.rb (test_take_recycle): add test for
  above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 6920ace34f..a1605a8af0 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -229,6 +229,14 @@ class TestLazyEnumerator < Test::Unit::TestCase
     assert_equal(nil, a.current)
   end
 
+  def test_take_recycle
+    bug6428 = '[ruby-dev:45634]'
+    a = Step.new(1..10)
+    take5 = a.lazy.take(5)
+    assert_equal((1..5).to_a, take5.force, bug6428)
+    assert_equal((1..5).to_a, take5.force, bug6428)
+  end
+
   def test_take_while
     a = Step.new(1..10)
     assert_equal(1, a.take_while {|i| i < 5}.first)