From d7fdaf4d3a9795a294e93cad6f7d8238ba3754a6 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Mon, 28 Dec 2015 21:37:38 +0000
Subject: findutils-4.6.0

---
 tests/test-dup.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 tests/test-dup.c

(limited to 'tests/test-dup.c')

diff --git a/tests/test-dup.c b/tests/test-dup.c
new file mode 100644
index 0000000..b7b768e
--- /dev/null
+++ b/tests/test-dup.c
@@ -0,0 +1,45 @@
+/* Test duplicating a file descriptor.
+   Copyright (C) 2011-2015 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 <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (dup, int, (int));
+
+#include <errno.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    errno = 0;
+    ASSERT (dup (-1) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    close (99);
+    errno = 0;
+    ASSERT (dup (99) == -1);
+    ASSERT (errno == EBADF);
+  }
+
+  return 0;
+}
-- 
cgit v1.2.1