From 53d153e42c90f48ac35316b9fd69b8819aa4e7d3 Mon Sep 17 00:00:00 2001
From: Kir Shatrov <shatrov@me.com>
Date: Fri, 22 Jan 2021 08:42:30 +0300
Subject: [PATCH] [ruby/time] Make Time friendly to Ractor

https://github.com/ruby/time/commit/c784e4f166
---
 lib/time.rb       | 1 +
 test/test_time.rb | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/lib/time.rb b/lib/time.rb
index a40e2febc6..bd20a1a8e9 100644
--- a/lib/time.rb
+++ b/lib/time.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+# shareable_constant_value: literal
 
 require 'date'
 
diff --git a/test/test_time.rb b/test/test_time.rb
index ca20788aac..d56daeb626 100644
--- a/test/test_time.rb
+++ b/test/test_time.rb
@@ -62,6 +62,13 @@ class TestTimeExtension < Test::Unit::TestCase # :nodoc:
     assert_equal(true, t.utc?)
   end
 
+  if defined?(Ractor)
+    def test_rfc2822_ractor
+      actual = Ractor.new { Time.rfc2822("Fri, 21 Nov 1997 09:55:06 -0600") }.take
+      assert_equal(Time.utc(1997, 11, 21, 9, 55, 6) + 6 * 3600, actual)
+    end
+  end
+
   def test_encode_rfc2822
     t = Time.utc(1)
     assert_equal("Mon, 01 Jan 0001 00:00:00 -0000", t.rfc2822)