Add specs for rb_copy_generic_ivar and rb_free_generic_ivar.

Author: aardvark179

spec/ruby/optional/capi/ext/object_spec.c

@@ -327,6 +327,16 @@ static VALUE object_spec_rb_ivar_defined(VALUE self, VALUE obj, VALUE sym_name)
   return rb_ivar_defined(obj, SYM2ID(sym_name));
 }
 
+static VALUE object_spec_rb_copy_generic_ivar(VALUE self, VALUE obj) {
+  rb_copy_generic_ivar(self, obj);
+  return self;
+}
+
+static VALUE object_spec_rb_free_generic_ivar(VALUE self) {
+  rb_free_generic_ivar(self);
+  return self;
+}
+
 static VALUE object_spec_rb_equal(VALUE self, VALUE a, VALUE b) {
   return rb_equal(a, b);
 }
@@ -400,6 +410,8 @@ void Init_object_spec(void) {
   rb_define_method(cls, "rb_ivar_get", object_spec_rb_ivar_get, 2);
   rb_define_method(cls, "rb_ivar_set", object_spec_rb_ivar_set, 3);
   rb_define_method(cls, "rb_ivar_defined", object_spec_rb_ivar_defined, 2);
+  rb_define_method(cls, "rb_copy_generic_ivar", object_spec_rb_copy_generic_ivar, 1);
+  rb_define_method(cls, "rb_free_generic_ivar", object_spec_rb_free_generic_ivar, 0);
 }
 
 #ifdef __cplusplus

spec/ruby/optional/capi/object_spec.rb

@@ -853,5 +853,22 @@ def reach
         @o.rb_ivar_defined(@test, :bar).should == false
       end
     end
+
+    describe "rb_copy_generic_ivar" do
+      it "copies the instance variables from one object to another" do
+        original = Object.new
+        original.instance_variable_set(:@foo, :bar)
+        @o.rb_copy_generic_ivar(original)
+        @o.instance_variable_get(:@foo).should == :bar
+      end
+    end
+
+    describe "rb_free_generic_ivar" do
+      it "removes the instance variables from an object" do
+        @o.instance_variable_set(:@foo, :bar)
+        @o.rb_free_generic_ivar
+        @o.instance_variables.should == []
+      end
+    end
   end
 end