Get identity law testing right

2 files changed, 8 insertions, 0 deletions

diff --git a/src/core/lib/slice/slice_intern.c b/src/core/lib/slice/slice_intern.c
index 6f65a3dcc8..2d93284926 100644
--- a/src/core/lib/slice/slice_intern.c
+++ b/src/core/lib/slice/slice_intern.c
@@ -193,6 +193,11 @@ void grpc_slice_static_intern(grpc_slice *slice) {
   }
 }
 
+bool grpc_slice_is_interned(grpc_slice slice) {
+  return (slice.refcount && slice.refcount->vtable == &interned_slice_vtable) ||
+         grpc_is_static_metadata_string(slice);
+}
+
 grpc_slice grpc_slice_intern(grpc_slice slice) {
   if (grpc_is_static_metadata_string(slice)) {
     return slice;
diff --git a/src/core/lib/slice/slice_internal.h b/src/core/lib/slice/slice_internal.h
index 695bd308ad..211d5f06be 100644
--- a/src/core/lib/slice/slice_internal.h
+++ b/src/core/lib/slice/slice_internal.h
@@ -46,6 +46,9 @@ void grpc_slice_buffer_reset_and_unref_internal(grpc_exec_ctx *exec_ctx,
 void grpc_slice_buffer_destroy_internal(grpc_exec_ctx *exec_ctx,
                                         grpc_slice_buffer *sb);
 
+/* Check if a slice is interned */
+bool grpc_slice_is_interned(grpc_slice slice);
+
 void grpc_slice_intern_init(void);
 void grpc_slice_intern_shutdown(void);
 void grpc_test_only_set_slice_hash_seed(uint32_t key);