From f918d2b8e2f2736f57bd2ff01167702757e0a75b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 17 Jan 2016 05:43:40 +0000
Subject: Add a test case for ENV#select_bang,keep_if

* test/ruby/test_env.rb: [Fix GH-1201]
  * Extract test code for ENV#keep_if from ENV#select_bang
  * Add a test case for ENV#select_bang,keep_if

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_env.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb
index 9fe85fb190..7224d572ec 100644
--- a/test/ruby/test_env.rb
+++ b/test/ruby/test_env.rb
@@ -212,6 +212,10 @@ class TestEnv < Test::Unit::TestCase
     ENV.each_pair {|k, v| h2[k] = v }
     assert_equal(h1, h2)
 
+    assert_nil(ENV.select! {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" })
+  end
+
+  def test_keep_if
     h1 = {}
     ENV.each_pair {|k, v| h1[k] = v }
     ENV["test"] = "foo"
@@ -219,6 +223,8 @@ class TestEnv < Test::Unit::TestCase
     h2 = {}
     ENV.each_pair {|k, v| h2[k] = v }
     assert_equal(h1, h2)
+
+    assert_equal(ENV, ENV.keep_if {|k, v| IGNORE_CASE ? k.upcase != "TEST" : k != "test" })
   end
 
   def test_values_at
-- 
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