From 4682deeb62247d34de87f8e777f99e2d337fd377 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sun, 20 Oct 2024 15:21:43 +0200 Subject: New upstream version 1.3 --- tests/test-dup.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 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 00000000..884fbc60 --- /dev/null +++ b/tests/test-dup.c @@ -0,0 +1,53 @@ +/* Test duplicating a file descriptor. + Copyright (C) 2011-2024 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 . */ + +#include + +#include + +#include "signature.h" +SIGNATURE_CHECK (dup, int, (int)); + +#include +#include + +#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); + } +#ifdef AT_FDCWD + { + errno = 0; + ASSERT (dup (AT_FDCWD) == -1); + ASSERT (errno == EBADF); + } +#endif + + return test_exit_status; +} -- cgit v1.2.3