From 2b971368dd9ba954604f45e748fb2d46493bb7d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Ho=C5=99e=C5=88ovsk=C3=BD?=
 <martin.horenovsky@gmail.com>
Date: Fri, 24 Jul 2026 12:33:58 +0200
Subject: [PATCH] Determinize the test registration order in
 catch_discover_tests

---
 extras/CatchAddTests.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/extras/CatchAddTests.cmake b/extras/CatchAddTests.cmake
index ea3fec59..5c67c874 100644
--- a/extras/CatchAddTests.cmake
+++ b/extras/CatchAddTests.cmake
@@ -114,6 +114,7 @@ function(catch_discover_tests_impl)
       --list-tests
       --reporter json
       --out "${listing_output_path}"
+      --order lex # Make sure the output order, and thus test registration order, is consistent across runs.
     OUTPUT_VARIABLE listing_output
     RESULT_VARIABLE result
     WORKING_DIRECTORY "${_TEST_WORKING_DIR}"