From 3270fd2cd94e6ca637bbae5f2acfc9c1824d76e2 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Sat, 19 Jan 2013 20:45:57 -0600
Subject: ENV.with_build_environment

---
 Library/Homebrew/test/test_ENV.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'Library/Homebrew/test')

diff --git a/Library/Homebrew/test/test_ENV.rb b/Library/Homebrew/test/test_ENV.rb
index 8e69cb6f0..1a1dd922b 100644
--- a/Library/Homebrew/test/test_ENV.rb
+++ b/Library/Homebrew/test/test_ENV.rb
@@ -26,4 +26,13 @@ class EnvironmentTests < Test::Unit::TestCase
     assert_nil ENV['LD']
     assert_equal ENV['OBJC'], ENV['CC']
   end
+
+  def test_with_build_environment
+    before = ENV.to_hash
+    ENV.with_build_environment do
+      ENV['foo'] = 'bar'
+    end
+    assert_nil ENV['foo']
+    assert_equal before, ENV.to_hash
+  end
 end
-- 
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