execl: Add tests.

* tests/test-execl-main.c: New file.
* tests/test-execl.sh: New file.
* modules/execl-tests: New file.

1 files changed, 49 insertions, 0 deletions

diff --git a/tests/test-execl-main.c b/tests/test-execl-main.c
new file mode 100644
index 0000000000..a16cefaa83
--- /dev/null
+++ b/tests/test-execl-main.c
@@ -0,0 +1,49 @@
+/* Test of execl().
+   Copyright (C) 2020 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, 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>, 2020.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <unistd.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (execl, int, (const char *, const char *, ...));
+
+#include <stdio.h>
+
+int
+main ()
+{
+  const char *progname = "./test-exec-child";
+  execl (progname,
+         progname,
+         "abc def",
+         "abc\"def\"ghi",
+         "xyz\"",
+         "abc\\def\\ghi",
+         "xyz\\",
+         "???",
+         "***",
+         "",
+         "foo",
+         "",
+         NULL);
+
+  perror ("execl");
+  return 1;
+}