3 files changed, 58 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/fixtures/class.rb b/spec/ruby/optional/capi/fixtures/class.rb
index 193c7174e0..b463e3b4c3 100644
--- a/spec/ruby/optional/capi/fixtures/class.rb
+++ b/spec/ruby/optional/capi/fixtures/class.rb
@@ -15,6 +15,16 @@ class CApiClassSpecs
     end
   end
 
+  class KeywordAlloc
+    attr_reader :initialized, :args, :kwargs
+
+    def initialize(*args, **kwargs)
+      @initialized = true
+      @args = args
+      @kwargs = kwargs
+    end
+  end
+
   class Attr
     def initialize
       @foo, @bar, @baz = 1, 2, 3
diff --git a/spec/ruby/optional/capi/fixtures/kernel.rb b/spec/ruby/optional/capi/fixtures/kernel.rb
new file mode 100644
index 0000000000..d3fc7c57e8
--- /dev/null
+++ b/spec/ruby/optional/capi/fixtures/kernel.rb
@@ -0,0 +1,19 @@
+class CApiKernelSpecs
+  class ClassWithPublicMethod
+    def public_method(*, **)
+      :public
+    end
+  end
+
+  class ClassWithPrivateMethod
+    private def private_method(*, **)
+      :private
+    end
+  end
+
+  class ClassWithProtectedMethod
+    protected def protected_method(*, **)
+      :protected
+    end
+  end
+end
diff --git a/spec/ruby/optional/capi/fixtures/object.rb b/spec/ruby/optional/capi/fixtures/object.rb
new file mode 100644
index 0000000000..a59f2309d8
--- /dev/null
+++ b/spec/ruby/optional/capi/fixtures/object.rb
@@ -0,0 +1,29 @@
+class CApiObjectSpecs
+  class IVars
+    def initialize
+      @a = 3
+      @b = 7
+      @c = 4
+    end
+
+    def self.set_class_variables
+      @@foo = :a
+      @@bar = :b
+      @@baz = :c
+    end
+  end
+
+  module MVars
+    @@mvar = :foo
+    @@mvar2 = :bar
+
+    @ivar = :baz
+  end
+
+  module CVars
+    @@cvar = :foo
+    @@cvar2 = :bar
+
+    @ivar = :baz
+  end
+end