From 9760a7f905367e96d6c22bbace1680d694fa16bd Mon Sep 17 00:00:00 2001 From: nobu Date: Thu, 19 Apr 2018 05:55:42 +0000 Subject: Add slice method to ENV like Hash#slice [Feature #14559] From: Benoit Tigeot git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_env.rb | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'test') diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb index 699f7db084..2f4923fbd9 100644 --- a/test/ruby/test_env.rb +++ b/test/ruby/test_env.rb @@ -281,6 +281,17 @@ class TestEnv < Test::Unit::TestCase end end + def test_slice + ENV.clear + ENV["foo"] = "bar" + ENV["baz"] = "qux" + ENV["bar"] = "rab" + assert_equal({}, ENV.slice()) + assert_equal({}, ENV.slice("")) + assert_equal({}, ENV.slice("unknown")) + assert_equal({"foo"=>"bar", "baz"=>"qux"}, ENV.slice("foo", "baz")) + end + def test_clear ENV.clear assert_equal(0, ENV.size) -- cgit v1.2.3