1 files changed, 38 insertions, 0 deletions
diff --git a/test/ostruct/test_ostruct.rb b/test/ostruct/test_ostruct.rb
index 1fd7d87811..19bb606145 100644
--- a/test/ostruct/test_ostruct.rb
+++ b/test/ostruct/test_ostruct.rb
@@ -280,6 +280,7 @@ class TC_OpenStruct < Test::Unit::TestCase
     os = OpenStruct.new(method: :foo, hash: 42)
     assert_equal(os.object_id, os.method!(:object_id).call)
     assert_not_equal(42, os.hash!)
+    refute os.methods.include?(:"!~!")
   end
 
   def test_override_subclass
@@ -368,6 +369,18 @@ class TC_OpenStruct < Test::Unit::TestCase
     RUBY
   end if defined?(Ractor)
 
+  def test_access_methods_from_different_ractor
+    assert_ractor(<<~RUBY, require: 'ostruct')
+      os = OpenStruct.new
+      os.value = 100
+      r = Ractor.new(os) do |x|
+        v = x.value
+        Ractor.yield v
+      end
+      assert 100 == r.take
+    RUBY
+  end if defined?(Ractor)
+
   def test_legacy_yaml
     s = "--- !ruby/object:OpenStruct\ntable:\n  :foo: 42\n"
     o = YAML.safe_load(s, permitted_classes: [Symbol, OpenStruct])
@@ -393,4 +406,29 @@ class TC_OpenStruct < Test::Unit::TestCase
     o2 = Marshal.load(Marshal.dump(o))
     assert_equal o, o2
   end
+
+  def test_class
+    os = OpenStruct.new(class: 'my-class', method: 'post')
+    assert_equal('my-class', os.class)
+    assert_equal(OpenStruct, os.class!)
+  end
+
+  has_performance_warnings = begin
+    Warning[:performance]
+    true
+  rescue NoMethodError, ArgumentError
+    false
+  end
+
+  if has_performance_warnings
+    def test_performance_warning
+      assert_in_out_err(
+        %w(-Ilib -rostruct -w -W:performance -e) + ['OpenStruct.new(a: 1)'],
+        "",
+        [],
+        ["-e:1: warning: OpenStruct use is discouraged for performance reasons"],
+        success: true,
+      )
+    end
+  end
 end