1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb
index cdadeac148..466d8d9d12 100644
--- a/test/ruby/test_env.rb
+++ b/test/ruby/test_env.rb
@@ -353,6 +353,13 @@ class TestEnv < Test::Unit::TestCase
     end
   end
 
+  def test_inspect_encoding
+    ENV.clear
+    key = "VAR\u{e5 e1 e2 e4 e3 101 3042}"
+    ENV[key] = "foo"
+    assert_equal(%{{"VAR\u{e5 e1 e2 e4 e3 101 3042}"=>"foo"}}, ENV.inspect)
+  end
+
   def test_to_a
     ENV.clear
     ENV["foo"] = "bar"