From 5992901805679912ea374ef19cae4979e6817a26 Mon Sep 17 00:00:00 2001
From: weili <541602953@qq.com>
Date: Wed, 10 Jun 2026 02:38:26 +0000
Subject: [PATCH] find: -printf: test octal escape before a multibyte char
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Regression test for the panic fixed in #720/#723: a `\NNN` octal escape
immediately followed by a multibyte character (`\0€`) used to slice the
format string mid-char and abort. Assert `-printf` emits the escape byte
and the following character intact.
---
 tests/test_find.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/test_find.rs b/tests/test_find.rs
index 5497a32..70a5ec9 100644
--- a/tests/test_find.rs
+++ b/tests/test_find.rs
@@ -510,6 +510,15 @@ fn find_printf() {
         );
 }
 
+#[test]
+fn find_printf_octal_escape_before_multibyte_char() {
+    ucmd()
+        .args(&["./test_data/simple", "-maxdepth", "0", "-printf", "\\0€\\n"])
+        .succeeds()
+        .no_stderr()
+        .stdout_only("\0€\n");
+}
+
 #[cfg(unix)]
 #[test]
 fn find_perm() {