* tests/date/date-locale-hour.sh: Test that the default format of all
supported locales is the same as 'locale date_fmt'.
---
 tests/date/date-locale-hour.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/date/date-locale-hour.sh b/tests/date/date-locale-hour.sh
index 409091080..205e8afa3 100755
--- a/tests/date/date-locale-hour.sh
+++ b/tests/date/date-locale-hour.sh
@@ -56,5 +56,13 @@ for loc in "$LOCALE_FR_UTF8" 'en_US.UTF-8'; do
   esac
 done
 
+# Make sure 'date' can use the format string given by 'locale date_fmt'
+# and that it uses it by default when no format string is given.
+for locale in $(locale -a); do
+  export LC_ALL=$locale
+  date -d '2025-10-11T13:00' +"$(locale date_fmt)" > $locale.exp || fail=1
+  date -d '2025-10-11T13:00' > $locale.out || fail=1
+  compare $locale.exp $locale.out || fail=1
+done
 
 Exit $fail
-- 
2.52.0


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