1 files changed, 64 insertions, 0 deletions
diff --git a/tests/test-sys_types-h.c b/tests/test-sys_types-h.c
new file mode 100644
index 00000000..b3d6abec
--- /dev/null
+++ b/tests/test-sys_types-h.c
@@ -0,0 +1,64 @@
+/* Test of <sys/types.h> substitute.
+   Copyright (C) 2011-2025 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2011.  */
+
+#include <config.h>
+
+#include <sys/types.h>
+
+/* Check that the most important types are defined.  */
+pid_t t1;
+size_t t2;
+ssize_t t3;
+off_t t4;
+mode_t t5;
+off64_t t6;
+blksize_t t7;
+blkcnt_t t8;
+
+#include "intprops.h"
+
+/* POSIX requires that pid_t is a signed integer type.  */
+static_assert (TYPE_SIGNED (pid_t));
+
+/* POSIX requires that size_t is an unsigned integer type.  */
+static_assert (! TYPE_SIGNED (size_t));
+
+/* POSIX requires that ssize_t is a signed integer type.  */
+static_assert (TYPE_SIGNED (ssize_t));
+
+/* POSIX requires that off_t is a signed integer type.  */
+static_assert (TYPE_SIGNED (off_t));
+static_assert (TYPE_SIGNED (off64_t));
+
+/* POSIX requires that blksize_t is a signed integer type.  */
+#if !(defined __ANDROID__ \
+      || (defined __FreeBSD_kernel__ && !defined __FreeBSD__) \
+      || defined __GLIBC__ && defined __alpha)
+static_assert (TYPE_SIGNED (blksize_t));
+#endif
+
+/* POSIX requires that blkcnt_t is a signed integer type.  */
+#if !(defined __ANDROID__ || defined __GLIBC__ && defined __alpha)
+static_assert (TYPE_SIGNED (blkcnt_t));
+#endif
+
+int
+main (void)
+{
+  return 0;
+}