* enumerator.c (lazy_take): add Enumerable::Lazy#take.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35018 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 9e50cd3a69..3adaaa32f3 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -143,4 +143,12 @@ class TestLazyEnumerator < Test::Unit::TestCase
     assert_equal(["a", 1], a.lazy.zip("a".."c") {|x, y| [y, x]}.first)
     assert_equal(1, a.current)
   end
+
+  def test_take
+    a = Step.new(1..3)
+    assert_equal(1, a.take(2).first)
+    assert_equal(2, a.current)
+    assert_equal(1, a.lazy.take(2).first)
+    assert_equal(1, a.current)
+  end
 end