From 41d6ba8765f0d856ce5cca293531f717b068ee3f Mon Sep 17 00:00:00 2001
From: marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 24 Jan 2013 06:24:22 +0000
Subject: * enumerator.c: Fix state handling for Lazy#zip   [bug #7696] [bug
 #7691]

* test/ruby/test_lazy_enumerator.rb: test for above

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_lazy_enumerator.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 2fdd854e8e..b626bc4753 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -264,6 +264,14 @@ class TestLazyEnumerator < Test::Unit::TestCase
     assert_equal([*(6..10)]*5, drop5.flat_map{drop5}.force, bug7696)
   end
 
+  def test_zip_nested
+    bug7696 = '[ruby-core:51470]'
+    enum = ('a'..'z').each
+    enum.next
+    zip = (1..3).lazy.zip(enum, enum)
+    assert_equal([[1, 'a', 'a'], [2, 'b', 'b'], [3, 'c', 'c']]*3, zip.flat_map{zip}.force, bug7696)
+  end
+
   def test_take_rewound
     bug7696 = '[ruby-core:51470]'
     e=(1..42).lazy.take(2)
-- 
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