From 4bd66f41879b8bc4a3f57bad790cc87e0cf2b5fb Mon Sep 17 00:00:00 2001
From: Robert Schulze <robert@clickhouse.com>
Date: Fri, 6 Sep 2024 17:31:20 +0000
Subject: [PATCH] Add test

---
 .../00170_lower_upper_utf8_memleak.reference          |  1 +
 .../0_stateless/00170_lower_upper_utf8_memleak.sh     | 11 +++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 tests/queries/0_stateless/00170_lower_upper_utf8_memleak.reference
 create mode 100755 tests/queries/0_stateless/00170_lower_upper_utf8_memleak.sh

diff --git a/tests/queries/0_stateless/00170_lower_upper_utf8_memleak.reference b/tests/queries/0_stateless/00170_lower_upper_utf8_memleak.reference
new file mode 100644
index 00000000000..7f6160bace3
--- /dev/null
+++ b/tests/queries/0_stateless/00170_lower_upper_utf8_memleak.reference
@@ -0,0 +1 @@
+españa
diff --git a/tests/queries/0_stateless/00170_lower_upper_utf8_memleak.sh b/tests/queries/0_stateless/00170_lower_upper_utf8_memleak.sh
new file mode 100755
index 00000000000..8436659c6a8
--- /dev/null
+++ b/tests/queries/0_stateless/00170_lower_upper_utf8_memleak.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# Tags: no-fasttest
+# no-fasttest: upper/lowerUTF8 use ICU
+
+# Test for issue #69336
+
+CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+# shellcheck source=../shell_config.sh
+. "$CURDIR"/../shell_config.sh
+
+$CLICKHOUSE_LOCAL --query "SELECT lowerUTF8('ESPAÑA')"