From dfa4394c1df45755de955260b1d7412c673a7ca0 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Sun, 27 Jul 2025 19:01:43 +0300
Subject: fixed using the command-line replacement register (ESC) in batch
 mode: was causing assertions when entering interactive mode

Also added a regression test case.
---
 tests/testsuite.at | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'tests')

diff --git a/tests/testsuite.at b/tests/testsuite.at
index 132684b..b8a7404 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -536,6 +536,15 @@ TE_CHECK_CMDLINE([[@^Um{:@S/XXX/} :Mm"S(0/0)' Mm"S(0/0)']], 0, ignore, stderr)
 AT_FAIL_IF([$GREP "^Error:" stderr])
 AT_CLEANUP
 
+AT_SETUP([Overwriting builtin registers])
+# Initializes registers in batch mode, which are later replaced during startup
+# of interactive mode.
+# This was causing assertion errors.
+AT_DATA([test.tec], [[23U^[ !]! 23U~
+]])
+AT_CHECK([[$SCITECO --fake-cmdline '' --mung test.tec]], 0, ignore, ignore)
+AT_CLEANUP
+
 AT_BANNER([Known Bugs])
 
 AT_SETUP([Number stack])
-- 
cgit v1.2.3