Mercurial > hg > octave-kai > gnulib-hg
changeset 15683:942664e0a177
Tests for module 'dup'.
* modules/dup-tests: New file.
* tests/test-dup.c: New file.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Tue, 20 Sep 2011 21:52:55 +0200 |
parents | 801a812b4a5d |
children | 0812be5c6a57 |
files | ChangeLog modules/dup-tests tests/test-dup.c |
diffstat | 3 files changed, 60 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2011-09-20 Bruno Haible <bruno@clisp.org> + Tests for module 'dup'. + * modules/dup-tests: New file. + * tests/test-dup.c: New file. + Tests for module 'close'. * modules/close-tests: New file. * tests/test-close.c: New file.
new file mode 100644 --- /dev/null +++ b/modules/dup-tests @@ -0,0 +1,12 @@ +Files: +tests/test-dup.c +tests/signature.h +tests/macros.h + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-dup +check_PROGRAMS += test-dup
new file mode 100644 --- /dev/null +++ b/tests/test-dup.c @@ -0,0 +1,44 @@ +/* Test duplicating a file descriptor. + Copyright (C) 2011 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); + } + { + errno = 0; + ASSERT (dup (99) == -1); + ASSERT (errno == EBADF); + } + + return 0; +}