1 files changed, 17 insertions, 0 deletions
diff --git a/third_party/rust/bindgen/extra_assertions.rs b/third_party/rust/bindgen/extra_assertions.rs
new file mode 100644
index 0000000000..fbddad7825
--- /dev/null
+++ b/third_party/rust/bindgen/extra_assertions.rs
@@ -0,0 +1,17 @@
+//! Macros for defining extra assertions that should only be checked in testing
+//! and/or CI when the `__testing_only_extra_assertions` feature is enabled.
+
+/// Simple macro that forwards to assert! when using
+/// __testing_only_extra_assertions.
+macro_rules! extra_assert {
+    ( $cond:expr ) => {
+        if cfg!(feature = "__testing_only_extra_assertions") {
+            assert!($cond);
+        }
+    };
+    ( $cond:expr , $( $arg:tt )+ ) => {
+        if cfg!(feature = "__testing_only_extra_assertions") {
+            assert!($cond, $( $arg )* )
+        }
+    };
+}