From 17c0aff0d6d8a2629b535a52a93e348904e27b97 Mon Sep 17 00:00:00 2001
From: marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 6 Nov 2012 17:13:48 +0000
Subject: * hash.c: Support for enumerators created by ENV:           each,
 each_value, ...   [Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_enumerator.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index af41341227..884f8c6b27 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -450,6 +450,12 @@ class TestEnumerator < Test::Unit::TestCase
     end
   end
 
+  def test_size_for_enum_created_from_env
+    %i[each_pair reject! delete_if select select! keep_if].each do |method|
+      assert_equal ENV.size, ENV.send(method).size
+    end
+  end
+
   def check_consistency_for_combinatorics(method)
     [ [], [:a, :b, :c, :d, :e] ].product([-2, 0, 2, 5, 6]) do |array, arg|
       assert_equal array.send(method, arg).to_a.size, array.send(method, arg).size,
-- 
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