From bbd5b8ddae7b3ff7205866d54cf8aca065a6d9bd Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 11 Oct 2024 14:59:09 +0900
Subject: [ruby/fiddle] Ractor support
 (https://github.com/ruby/fiddle/pull/139)

https://github.com/ruby/fiddle/commit/91d0ea9849

Co-authored-by: Sutou Kouhei <kou@clear-code.com>
---
 test/fiddle/helper.rb           |  5 +++++
 test/fiddle/test_closure.rb     | 12 ++++++++++++
 test/fiddle/test_function.rb    |  5 +++++
 test/fiddle/test_handle.rb      |  5 +++++
 test/fiddle/test_memory_view.rb | 12 ++++++++++++
 test/fiddle/test_pinned.rb      |  8 +++++++-
 test/fiddle/test_pointer.rb     |  8 ++++++++
 7 files changed, 54 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/fiddle/helper.rb b/test/fiddle/helper.rb
index 9dfe381a20..aebe028206 100644
--- a/test/fiddle/helper.rb
+++ b/test/fiddle/helper.rb
@@ -189,5 +189,10 @@ module Fiddle
     ensure
       GC.stress = stress
     end
+
+    def assert_ractor_shareable(object)
+      Ractor.make_shareable(object)
+      assert_operator(Ractor, :shareable?, object)
+    end
   end
 end
diff --git a/test/fiddle/test_closure.rb b/test/fiddle/test_closure.rb
index 787a9b635a..3985e1e2bf 100644
--- a/test/fiddle/test_closure.rb
+++ b/test/fiddle/test_closure.rb
@@ -152,5 +152,17 @@ module Fiddle
         end
       end
     end
+
+    def test_ractor_shareable
+      omit("Need Ractor") unless defined?(Ractor)
+      closure_class = Class.new(Closure) do
+        def call
+          0
+        end
+      end
+      closure_class.create(:int, [:void]) do |c|
+        assert_ractor_shareable(c)
+      end
+    end
   end
 end if defined?(Fiddle)
diff --git a/test/fiddle/test_function.rb b/test/fiddle/test_function.rb
index b6ae8c14bc..b4b2df2874 100644
--- a/test/fiddle/test_function.rb
+++ b/test/fiddle/test_function.rb
@@ -253,6 +253,11 @@ module Fiddle
       end
     end
 
+    def test_ractor_shareable
+      omit("Need Ractor") unless defined?(Ractor)
+      assert_ractor_shareable(Function.new(@libm['sin'], [TYPE_DOUBLE], TYPE_DOUBLE))
+    end
+
     private
 
     def perror(m)
diff --git a/test/fiddle/test_handle.rb b/test/fiddle/test_handle.rb
index c952a7ef17..2a51add852 100644
--- a/test/fiddle/test_handle.rb
+++ b/test/fiddle/test_handle.rb
@@ -226,5 +226,10 @@ module Fiddle
         assert_equal(ansi, k["GetFileAttributes"], "should fallback to ANSI version")
       end
     end
+
+    def test_ractor_shareable
+      omit("Need Ractor") unless defined?(Ractor)
+      assert_ractor_shareable(Fiddle::Handle.new(LIBC_SO))
+    end
   end
 end if defined?(Fiddle)
diff --git a/test/fiddle/test_memory_view.rb b/test/fiddle/test_memory_view.rb
index d44c42d239..da00d66c91 100644
--- a/test/fiddle/test_memory_view.rb
+++ b/test/fiddle/test_memory_view.rb
@@ -159,5 +159,17 @@ module Fiddle
         mview.release
       end
     end
+
+    def test_ractor_shareable
+      omit("Need Ractor") unless defined?(Ractor)
+      ptr = Pointer["hello world"]
+      mview = MemoryView.new(ptr)
+      begin
+        assert_ractor_shareable(mview)
+        assert_predicate(ptr, :frozen?)
+      ensure
+        mview.release
+      end
+    end
   end
 end
diff --git a/test/fiddle/test_pinned.rb b/test/fiddle/test_pinned.rb
index f0d375b1cc..ad132579b0 100644
--- a/test/fiddle/test_pinned.rb
+++ b/test/fiddle/test_pinned.rb
@@ -23,6 +23,12 @@ module Fiddle
       end
       assert_match "called on", ex.message
     end
+
+    def test_ractor_shareable
+      omit("Need Ractor") unless defined?(Ractor)
+      obj = Object.new
+      assert_ractor_shareable(Pinned.new(obj))
+      assert_predicate(obj, :frozen?)
+    end
   end
 end
-
diff --git a/test/fiddle/test_pointer.rb b/test/fiddle/test_pointer.rb
index f17c8338f5..ea8015438e 100644
--- a/test/fiddle/test_pointer.rb
+++ b/test/fiddle/test_pointer.rb
@@ -305,5 +305,13 @@ module Fiddle
       assert_raise(DLError) {nullpo[0]}
       assert_raise(DLError) {nullpo[0] = 1}
     end
+
+    def test_ractor_shareable
+      omit("Need Ractor") unless defined?(Ractor)
+      assert_ractor_shareable(Fiddle::NULL)
+      ary = [0, 1, 2, 4, 5]
+      addr = Pointer.new(dlwrap(ary))
+      assert_ractor_shareable(addr)
+    end
   end
 end if defined?(Fiddle)
-- 
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