diff --git a/ChangeLog b/ChangeLog
index 8c1abcf037..ddadbad8d1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2023-03-24  Bruno Haible  <bruno@clisp.org>
 
+	obstack-printf-gnu: Add tests.
+	* modules/obstack-printf-gnu-tests: New file, based on
+	modules/obstack-printf-posix-tests.
+
 	obstack-printf-gnu: New module.
 	* m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_IS_POSIX): New
 	macro, extracted from gl_FUNC_OBSTACK_PRINTF_POSIX.
diff --git a/modules/obstack-printf-gnu-tests b/modules/obstack-printf-gnu-tests
new file mode 100644
index 0000000000..4afbcc337d
--- /dev/null
+++ b/modules/obstack-printf-gnu-tests
@@ -0,0 +1,8 @@
+Files:
+
+Depends-on:
+obstack-printf-posix-tests
+
+configure.ac:
+
+Makefile.am: