From d741c77b5fd976300815c1ea987e76e92b71122f Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@atdot.net>
Date: Fri, 11 Dec 2020 16:37:20 +0900
Subject: fix ivar with shareable objects issue

Instance variables of sharable objects are accessible only from
main ractor, so we need to check it correctly.
---
 bootstraptest/test_ractor.rb | 47 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'bootstraptest')

diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb
index 2bbf823f37..81bea95e01 100644
--- a/bootstraptest/test_ractor.rb
+++ b/bootstraptest/test_ractor.rb
@@ -809,6 +809,53 @@ assert_equal 'can not access instance variables of shareable objects from non-ma
   end
 }
 
+# ivar in shareable-objects are not allowed to access from non-main Ractor, by @iv (get)
+assert_equal 'can not access instance variables of shareable objects from non-main Ractors', %q{
+  class Ractor
+    def setup
+      @foo = ''
+    end
+
+    def foo
+      @foo
+    end
+  end
+
+  shared = Ractor.new{}
+  shared.setup
+
+  r = Ractor.new shared do |shared|
+    p shared.foo
+  end
+
+  begin
+    r.take
+  rescue Ractor::RemoteError => e
+    e.cause.message
+  end
+}
+
+# ivar in shareable-objects are not allowed to access from non-main Ractor, by @iv (set)
+assert_equal 'can not access instance variables of shareable objects from non-main Ractors', %q{
+  class Ractor
+    def setup
+      @foo = ''
+    end
+  end
+
+  shared = Ractor.new{}
+
+  r = Ractor.new shared do |shared|
+    p shared.setup
+  end
+
+  begin
+    r.take
+  rescue Ractor::RemoteError => e
+    e.cause.message
+  end
+}
+
 # But a shareable object is frozen, it is allowed to access ivars from non-main Ractor
 assert_equal '11', %q{
   [Object.new, [], ].map{|obj|
-- 
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