1 files changed, 14 insertions, 0 deletions
diff --git a/spec/ruby/core/env/keys_spec.rb b/spec/ruby/core/env/keys_spec.rb
new file mode 100644
index 0000000000..d79919b79d
--- /dev/null
+++ b/spec/ruby/core/env/keys_spec.rb
@@ -0,0 +1,14 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ENV.keys" do
+
+  it "returns all the keys" do
+    ENV.keys.sort.should == ENV.to_hash.keys.sort
+  end
+
+  it "returns the keys in the locale encoding" do
+    ENV.keys.each do |key|
+      key.encoding.should == Encoding.find('locale')
+    end
+  end
+end