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-rw-r--r--test/ruby/test_env.rb10
1 files changed, 4 insertions, 6 deletions
diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb
index edc7dcaf61..3a65f91fa4 100644
--- a/test/ruby/test_env.rb
+++ b/test/ruby/test_env.rb
@@ -4,15 +4,13 @@ class TestEnv < Test::Unit::TestCase
IGNORE_CASE = /djgpp|bccwin|mswin|mingw/ =~ RUBY_PLATFORM
def setup
- @backup = ENV['test']
- @BACKUP = ENV['TEST']
- ENV['test'] = nil
- ENV['TEST'] = nil
+ @backup = ENV.delete('test')
+ @BACKUP = ENV.delete('TEST')
end
def teardown
- ENV['test'] = @backup
- ENV['TEST'] = @BACKUP
+ ENV['test'] = @backup if @backup
+ ENV['TEST'] = @BACKUP if @BACKUP
end
def test_bracket