1 files changed, 31 insertions, 1 deletions

diff --git a/spec/ruby/optional/capi/ext/exception_spec.c b/spec/ruby/optional/capi/ext/exception_spec.c
index 7250792b70..c3b94d7bcd 100644
--- a/spec/ruby/optional/capi/ext/exception_spec.c
+++ b/spec/ruby/optional/capi/ext/exception_spec.c
@@ -8,6 +8,10 @@
 extern "C" {
 #endif
 
+VALUE exception_spec_rb_errinfo(VALUE self) {
+  return rb_errinfo();
+}
+
 VALUE exception_spec_rb_exc_new(VALUE self, VALUE str) {
   char *cstr = StringValuePtr(str);
   return rb_exc_new(rb_eException, cstr, strlen(cstr));
@@ -23,7 +27,7 @@ VALUE exception_spec_rb_exc_new3(VALUE self, VALUE str) {
 }
 
 VALUE exception_spec_rb_exc_raise(VALUE self, VALUE exc) {
-    if (self != Qundef) rb_exc_raise(exc);
+  if (self != Qundef) rb_exc_raise(exc);
   return Qnil;
 }
 
@@ -32,6 +36,28 @@ VALUE exception_spec_rb_set_errinfo(VALUE self, VALUE exc) {
   return Qnil;
 }
 
+NORETURN(VALUE exception_spec_rb_error_frozen_object(VALUE self, VALUE object));
+
+VALUE exception_spec_rb_error_frozen_object(VALUE self, VALUE object) {
+  rb_error_frozen_object(object);
+  UNREACHABLE_RETURN(Qnil);
+}
+
+VALUE exception_spec_rb_syserr_new(VALUE self, VALUE num, VALUE msg) {
+  int n = NUM2INT(num);
+  char *cstr = NULL;
+
+  if (msg != Qnil) {
+    cstr = StringValuePtr(msg);
+  }
+
+  return rb_syserr_new(n, cstr);
+}
+
+VALUE exception_spec_rb_syserr_new_str(VALUE self, VALUE num, VALUE msg) {
+  int n = NUM2INT(num);
+  return rb_syserr_new_str(n, msg);
+}
 
 VALUE exception_spec_rb_make_exception(VALUE self, VALUE ary) {
   int argc = RARRAY_LENINT(ary);
@@ -41,11 +67,15 @@ VALUE exception_spec_rb_make_exception(VALUE self, VALUE ary) {
 
 void Init_exception_spec(void) {
   VALUE cls = rb_define_class("CApiExceptionSpecs", rb_cObject);
+  rb_define_method(cls, "rb_errinfo", exception_spec_rb_errinfo, 0);
   rb_define_method(cls, "rb_exc_new", exception_spec_rb_exc_new, 1);
   rb_define_method(cls, "rb_exc_new2", exception_spec_rb_exc_new2, 1);
   rb_define_method(cls, "rb_exc_new3", exception_spec_rb_exc_new3, 1);
   rb_define_method(cls, "rb_exc_raise", exception_spec_rb_exc_raise, 1);
   rb_define_method(cls, "rb_set_errinfo", exception_spec_rb_set_errinfo, 1);
+  rb_define_method(cls, "rb_error_frozen_object", exception_spec_rb_error_frozen_object, 1);
+  rb_define_method(cls, "rb_syserr_new", exception_spec_rb_syserr_new, 2);
+  rb_define_method(cls, "rb_syserr_new_str", exception_spec_rb_syserr_new_str, 2);
   rb_define_method(cls, "rb_make_exception", exception_spec_rb_make_exception, 1);
 }