From ddd40c73b622fb1854a6b4fee39c41d154328fbf Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 17 Jan 2016 05:43:04 +0000
Subject: Add a test case for ENV#reject_bang,delete_if

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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53559 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 c1617cce7e..9fe85fb190 100644
--- a/test/ruby/test_env.rb
+++ b/test/ruby/test_env.rb
@@ -188,6 +188,10 @@ class TestEnv < Test::Unit::TestCase
     ENV.each_pair {|k, v| h2[k] = v }
     assert_equal(h1, h2)
 
+    assert_nil(ENV.reject! {|k, v| IGNORE_CASE ? k.upcase == "TEST" : k == "test" })
+  end
+
+  def test_delete_if
     h1 = {}
     ENV.each_pair {|k, v| h1[k] = v }
     ENV["test"] = "foo"
@@ -195,6 +199,8 @@ class TestEnv < Test::Unit::TestCase
     h2 = {}
     ENV.each_pair {|k, v| h2[k] = v }
     assert_equal(h1, h2)
+
+    assert_equal(ENV, ENV.delete_if {|k, v| IGNORE_CASE ? k.upcase == "TEST" : k == "test" })
   end
 
   def test_select_bang
-- 
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