diff --git a/quic/test_tools/quic_test_utils.h b/quic/test_tools/quic_test_utils.h
index fbadf13..1cd2683 100644
--- a/quic/test_tools/quic_test_utils.h
+++ b/quic/test_tools/quic_test_utils.h
@@ -1258,6 +1258,10 @@
   return arg.destination_connection_id == destination_connection_id;
 }
 
+MATCHER_P2(InRange, min, max, "") {
+  return arg >= min && arg <= max;
+}
+
 }  // namespace test
 }  // namespace quic