1 files changed, 76 insertions, 3 deletions

diff --git a/spec/ruby/optional/capi/ext/gc_spec.c b/spec/ruby/optional/capi/ext/gc_spec.c
index 7dc9c347c7..1392bc6ee6 100644
--- a/spec/ruby/optional/capi/ext/gc_spec.c
+++ b/spec/ruby/optional/capi/ext/gc_spec.c
@@ -7,6 +7,14 @@ extern "C" {
 
 VALUE registered_tagged_value;
 VALUE registered_reference_value;
+VALUE registered_before_rb_gc_register_address;
+VALUE registered_before_rb_global_variable_string;
+VALUE registered_before_rb_global_variable_bignum;
+VALUE registered_before_rb_global_variable_float;
+VALUE registered_after_rb_global_variable_string;
+VALUE registered_after_rb_global_variable_bignum;
+VALUE registered_after_rb_global_variable_float;
+VALUE rb_gc_register_address_outside_init;
 
 static VALUE registered_tagged_address(VALUE self) {
   return registered_tagged_value;
@@ -16,6 +24,45 @@ static VALUE registered_reference_address(VALUE self) {
   return registered_reference_value;
 }
 
+static VALUE get_registered_before_rb_gc_register_address(VALUE self) {
+  return registered_before_rb_gc_register_address;
+}
+
+static VALUE get_registered_before_rb_global_variable_string(VALUE self) {
+  return registered_before_rb_global_variable_string;
+}
+
+static VALUE get_registered_before_rb_global_variable_bignum(VALUE self) {
+  return registered_before_rb_global_variable_bignum;
+}
+
+static VALUE get_registered_before_rb_global_variable_float(VALUE self) {
+  return registered_before_rb_global_variable_float;
+}
+
+static VALUE get_registered_after_rb_global_variable_string(VALUE self) {
+  return registered_after_rb_global_variable_string;
+}
+
+static VALUE get_registered_after_rb_global_variable_bignum(VALUE self) {
+  return registered_after_rb_global_variable_bignum;
+}
+
+static VALUE get_registered_after_rb_global_variable_float(VALUE self) {
+  return registered_after_rb_global_variable_float;
+}
+
+static VALUE gc_spec_rb_gc_register_address(VALUE self) {
+  rb_gc_register_address(&rb_gc_register_address_outside_init);
+  rb_gc_register_address_outside_init = rb_str_new_cstr("rb_gc_register_address() outside Init_");
+  return rb_gc_register_address_outside_init;
+}
+
+static VALUE gc_spec_rb_gc_unregister_address(VALUE self) {
+  rb_gc_unregister_address(&rb_gc_register_address_outside_init);
+  return Qnil;
+}
+
 static VALUE gc_spec_rb_gc_enable(VALUE self) {
   return rb_gc_enable();
 }
@@ -29,7 +76,7 @@ static VALUE gc_spec_rb_gc(VALUE self) {
   return Qnil;
 }
 
-static VALUE gc_spec_rb_gc_latest_gc_info(VALUE self, VALUE hash_or_key){
+static VALUE gc_spec_rb_gc_latest_gc_info(VALUE self, VALUE hash_or_key) {
   return rb_gc_latest_gc_info(hash_or_key);
 }
 
@@ -45,14 +92,40 @@ static VALUE gc_spec_rb_gc_register_mark_object(VALUE self, VALUE obj) {
 
 void Init_gc_spec(void) {
   VALUE cls = rb_define_class("CApiGCSpecs", rb_cObject);
-  registered_tagged_value    = INT2NUM(10);
-  registered_reference_value = rb_str_new2("Globally registered data");
 
   rb_gc_register_address(&registered_tagged_value);
   rb_gc_register_address(&registered_reference_value);
+  rb_gc_register_address(&registered_before_rb_gc_register_address);
+  rb_global_variable(&registered_before_rb_global_variable_string);
+  rb_global_variable(&registered_before_rb_global_variable_bignum);
+  rb_global_variable(&registered_before_rb_global_variable_float);
+
+  registered_tagged_value    = INT2NUM(10);
+  registered_reference_value = rb_str_new2("Globally registered data");
+  registered_before_rb_gc_register_address = rb_str_new_cstr("registered before rb_gc_register_address()");
+
+  registered_before_rb_global_variable_string = rb_str_new_cstr("registered before rb_global_variable()");
+  registered_before_rb_global_variable_bignum = LL2NUM(INT64_MAX);
+  registered_before_rb_global_variable_float = DBL2NUM(3.14);
+
+  registered_after_rb_global_variable_string = rb_str_new_cstr("registered after rb_global_variable()");
+  rb_global_variable(&registered_after_rb_global_variable_string);
+  registered_after_rb_global_variable_bignum = LL2NUM(INT64_MAX);
+  rb_global_variable(&registered_after_rb_global_variable_bignum);
+  registered_after_rb_global_variable_float = DBL2NUM(6.28);
+  rb_global_variable(&registered_after_rb_global_variable_float);
 
   rb_define_method(cls, "registered_tagged_address", registered_tagged_address, 0);
   rb_define_method(cls, "registered_reference_address", registered_reference_address, 0);
+  rb_define_method(cls, "registered_before_rb_gc_register_address", get_registered_before_rb_gc_register_address, 0);
+  rb_define_method(cls, "registered_before_rb_global_variable_string", get_registered_before_rb_global_variable_string, 0);
+  rb_define_method(cls, "registered_before_rb_global_variable_bignum", get_registered_before_rb_global_variable_bignum, 0);
+  rb_define_method(cls, "registered_before_rb_global_variable_float", get_registered_before_rb_global_variable_float, 0);
+  rb_define_method(cls, "registered_after_rb_global_variable_string", get_registered_after_rb_global_variable_string, 0);
+  rb_define_method(cls, "registered_after_rb_global_variable_bignum", get_registered_after_rb_global_variable_bignum, 0);
+  rb_define_method(cls, "registered_after_rb_global_variable_float", get_registered_after_rb_global_variable_float, 0);
+  rb_define_method(cls, "rb_gc_register_address", gc_spec_rb_gc_register_address, 0);
+  rb_define_method(cls, "rb_gc_unregister_address", gc_spec_rb_gc_unregister_address, 0);
   rb_define_method(cls, "rb_gc_enable", gc_spec_rb_gc_enable, 0);
   rb_define_method(cls, "rb_gc_disable", gc_spec_rb_gc_disable, 0);
   rb_define_method(cls, "rb_gc", gc_spec_rb_gc, 0);